ITMI992205A1 - Miscele di additivi per polimeri organici in forma granulare - Google Patents
Miscele di additivi per polimeri organici in forma granulare Download PDFInfo
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- ITMI992205A1 ITMI992205A1 IT1999MI002205A ITMI992205A ITMI992205A1 IT MI992205 A1 ITMI992205 A1 IT MI992205A1 IT 1999MI002205 A IT1999MI002205 A IT 1999MI002205A IT MI992205 A ITMI992205 A IT MI992205A IT MI992205 A1 ITMI992205 A1 IT MI992205A1
- Authority
- IT
- Italy
- Prior art keywords
- dyes
- additives
- butyl
- mixtures
- granular form
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 70
- 239000000654 additive Substances 0.000 title claims description 40
- 229920000620 organic polymer Polymers 0.000 title claims description 30
- -1 acylaminophenols Chemical class 0.000 claims description 101
- 239000000975 dye Substances 0.000 claims description 30
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 229920000642 polymer Polymers 0.000 claims description 17
- 150000002148 esters Chemical class 0.000 claims description 16
- 239000003381 stabilizer Substances 0.000 claims description 14
- 239000004952 Polyamide Substances 0.000 claims description 12
- 229920002647 polyamide Polymers 0.000 claims description 12
- 239000012860 organic pigment Substances 0.000 claims description 11
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical class NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims description 9
- 239000001023 inorganic pigment Substances 0.000 claims description 9
- 238000002844 melting Methods 0.000 claims description 9
- 230000008018 melting Effects 0.000 claims description 9
- 150000003839 salts Chemical class 0.000 claims description 9
- 150000005846 sugar alcohols Polymers 0.000 claims description 9
- 150000001412 amines Chemical class 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 150000004056 anthraquinones Chemical class 0.000 claims description 6
- 229940111121 antirheumatic drug quinolines Drugs 0.000 claims description 6
- 239000000987 azo dye Substances 0.000 claims description 6
- 239000003054 catalyst Substances 0.000 claims description 6
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 claims description 6
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 6
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 claims description 6
- 239000001005 nitro dye Substances 0.000 claims description 6
- 150000003248 quinolines Chemical class 0.000 claims description 6
- 239000000984 vat dye Substances 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 239000003963 antioxidant agent Substances 0.000 claims description 5
- 235000006708 antioxidants Nutrition 0.000 claims description 5
- 229910052736 halogen Inorganic materials 0.000 claims description 5
- 150000002367 halogens Chemical class 0.000 claims description 5
- 125000001434 methanylylidene group Chemical group [H]C#[*] 0.000 claims description 5
- 239000000049 pigment Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- ZYGHJZDHTFUPRJ-UHFFFAOYSA-N benzo-alpha-pyrone Natural products C1=CC=C2OC(=O)C=CC2=C1 ZYGHJZDHTFUPRJ-UHFFFAOYSA-N 0.000 claims description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims description 4
- 235000001671 coumarin Nutrition 0.000 claims description 4
- 125000000332 coumarinyl group Chemical class O1C(=O)C(=CC2=CC=CC=C12)* 0.000 claims description 4
- 150000002170 ethers Chemical class 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 150000004893 oxazines Chemical class 0.000 claims description 4
- 230000006641 stabilisation Effects 0.000 claims description 4
- 238000011105 stabilization Methods 0.000 claims description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-N sulfonic acid Chemical group OS(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 4
- 239000000454 talc Substances 0.000 claims description 4
- 229910052623 talc Inorganic materials 0.000 claims description 4
- 150000003918 triazines Chemical class 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 150000005208 1,4-dihydroxybenzenes Chemical class 0.000 claims description 3
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 claims description 3
- ACZGCWSMSTYWDQ-UHFFFAOYSA-N 3h-1-benzofuran-2-one Chemical class C1=CC=C2OC(=O)CC2=C1 ACZGCWSMSTYWDQ-UHFFFAOYSA-N 0.000 claims description 3
- YIKSCQDJHCMVMK-UHFFFAOYSA-N Oxamide Chemical class NC(=O)C(N)=O YIKSCQDJHCMVMK-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 125000002843 carboxylic acid group Chemical group 0.000 claims description 3
- 238000004040 coloring Methods 0.000 claims description 3
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004611 light stabiliser Substances 0.000 claims description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 3
- 150000004760 silicates Chemical class 0.000 claims description 3
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims description 3
- 239000004408 titanium dioxide Substances 0.000 claims description 3
- 239000000326 ultraviolet stabilizing agent Substances 0.000 claims description 3
- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical class OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 claims description 2
- HWRLEEPNFJNTOP-UHFFFAOYSA-N 2-(1,3,5-triazin-2-yl)phenol Chemical class OC1=CC=CC=C1C1=NC=NC=N1 HWRLEEPNFJNTOP-UHFFFAOYSA-N 0.000 claims description 2
- FJGQBLRYBUAASW-UHFFFAOYSA-N 2-(benzotriazol-2-yl)phenol Chemical class OC1=CC=CC=C1N1N=C2C=CC=CC2=N1 FJGQBLRYBUAASW-UHFFFAOYSA-N 0.000 claims description 2
- DBHUTHZPCWZNRW-UHFFFAOYSA-N 3-(3,5-dicyclohexyl-4-hydroxyphenyl)propanoic acid Chemical class OC=1C(C2CCCCC2)=CC(CCC(=O)O)=CC=1C1CCCCC1 DBHUTHZPCWZNRW-UHFFFAOYSA-N 0.000 claims description 2
- GJCOSYZMQJWQCA-UHFFFAOYSA-N 9H-xanthene Chemical compound C1=CC=C2CC3=CC=CC=C3OC2=C1 GJCOSYZMQJWQCA-UHFFFAOYSA-N 0.000 claims description 2
- OGBVRMYSNSKIEF-UHFFFAOYSA-N Benzylphosphonic acid Chemical class OP(O)(=O)CC1=CC=CC=C1 OGBVRMYSNSKIEF-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000000980 acid dye Substances 0.000 claims description 2
- 150000001251 acridines Chemical class 0.000 claims description 2
- 150000001408 amides Chemical class 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 229940121363 anti-inflammatory agent Drugs 0.000 claims description 2
- 239000002260 anti-inflammatory agent Substances 0.000 claims description 2
- 239000002216 antistatic agent Substances 0.000 claims description 2
- 235000010323 ascorbic acid Nutrition 0.000 claims description 2
- 239000011668 ascorbic acid Substances 0.000 claims description 2
- 229960005070 ascorbic acid Drugs 0.000 claims description 2
- 235000010233 benzoic acid Nutrition 0.000 claims description 2
- 150000001559 benzoic acids Chemical class 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 239000007844 bleaching agent Substances 0.000 claims description 2
- 125000000609 carbazolyl group Chemical class C1(=CC=CC=2C3=CC=CC=C3NC12)* 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 150000005125 dioxazines Chemical class 0.000 claims description 2
- 239000003995 emulsifying agent Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 150000002443 hydroxylamines Chemical class 0.000 claims description 2
- JYGFTBXVXVMTGB-UHFFFAOYSA-N indolin-2-one Chemical class C1=CC=C2NC(=O)CC2=C1 JYGFTBXVXVMTGB-UHFFFAOYSA-N 0.000 claims description 2
- XTBAPWCYTNCZTO-UHFFFAOYSA-N isoindol-1-one Chemical class C1=CC=C2C(=O)N=CC2=C1 XTBAPWCYTNCZTO-UHFFFAOYSA-N 0.000 claims description 2
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- QDLAGTHXVHQKRE-UHFFFAOYSA-N lichenxanthone Natural products COC1=CC(O)=C2C(=O)C3=C(C)C=C(OC)C=C3OC2=C1 QDLAGTHXVHQKRE-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 239000000314 lubricant Substances 0.000 claims description 2
- 239000006078 metal deactivator Substances 0.000 claims description 2
- 229910001507 metal halide Inorganic materials 0.000 claims description 2
- 150000005309 metal halides Chemical class 0.000 claims description 2
- AYLBVKUPVXVTSO-UHFFFAOYSA-N n,n-diphenylnitramide Chemical class C=1C=CC=CC=1N([N+](=O)[O-])C1=CC=CC=C1 AYLBVKUPVXVTSO-UHFFFAOYSA-N 0.000 claims description 2
- 150000002816 nickel compounds Chemical class 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 2
- 239000002667 nucleating agent Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 150000002979 perylenes Chemical class 0.000 claims description 2
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical class OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 239000004014 plasticizer Substances 0.000 claims description 2
- 239000011591 potassium Substances 0.000 claims description 2
- 229910052700 potassium Inorganic materials 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 239000012744 reinforcing agent Substances 0.000 claims description 2
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- 239000006254 rheological additive Substances 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
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- 239000011593 sulfur Substances 0.000 claims description 2
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- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical class OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 claims description 2
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- KESXDDATSRRGAH-UHFFFAOYSA-N n-(4-hydroxyphenyl)butanamide Chemical compound CCCC(=O)NC1=CC=C(O)C=C1 KESXDDATSRRGAH-UHFFFAOYSA-N 0.000 description 1
- JVKWTDRHWOSRFT-UHFFFAOYSA-N n-(4-hydroxyphenyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)NC1=CC=C(O)C=C1 JVKWTDRHWOSRFT-UHFFFAOYSA-N 0.000 description 1
- VQLURHRLTDWRLX-UHFFFAOYSA-N n-(4-hydroxyphenyl)nonanamide Chemical compound CCCCCCCCC(=O)NC1=CC=C(O)C=C1 VQLURHRLTDWRLX-UHFFFAOYSA-N 0.000 description 1
- ZZAMUZWGTXZGKY-UHFFFAOYSA-N n-(6-aminohexyl)-3-(3,5-ditert-butyl-4-hydroxyphenyl)propanamide Chemical compound CC(C)(C)C1=CC(CCC(=O)NCCCCCCN)=CC(C(C)(C)C)=C1O ZZAMUZWGTXZGKY-UHFFFAOYSA-N 0.000 description 1
- ZLUHLPGJUZHFAR-UHFFFAOYSA-N n-[4-(2,4,4-trimethylpentan-2-yl)phenyl]naphthalen-1-amine Chemical compound C1=CC(C(C)(C)CC(C)(C)C)=CC=C1NC1=CC=CC2=CC=CC=C12 ZLUHLPGJUZHFAR-UHFFFAOYSA-N 0.000 description 1
- DARUEKWVLGHJJT-UHFFFAOYSA-N n-butyl-1-[4-[4-(butylamino)-2,2,6,6-tetramethylpiperidin-1-yl]-6-chloro-1,3,5-triazin-2-yl]-2,2,6,6-tetramethylpiperidin-4-amine Chemical compound CC1(C)CC(NCCCC)CC(C)(C)N1C1=NC(Cl)=NC(N2C(CC(CC2(C)C)NCCCC)(C)C)=N1 DARUEKWVLGHJJT-UHFFFAOYSA-N 0.000 description 1
- FDAKZQLBIFPGSV-UHFFFAOYSA-N n-butyl-2,2,6,6-tetramethylpiperidin-4-amine Chemical compound CCCCNC1CC(C)(C)NC(C)(C)C1 FDAKZQLBIFPGSV-UHFFFAOYSA-N 0.000 description 1
- BLBLVDQTHWVGRA-UHFFFAOYSA-N n-butyl-3-[4-[4-(butylamino)-1,2,2,6,6-pentamethylpiperidin-3-yl]-6-chloro-1,3,5-triazin-2-yl]-1,2,2,6,6-pentamethylpiperidin-4-amine Chemical compound CCCCNC1CC(C)(C)N(C)C(C)(C)C1C1=NC(Cl)=NC(C2C(N(C)C(C)(C)CC2NCCCC)(C)C)=N1 BLBLVDQTHWVGRA-UHFFFAOYSA-N 0.000 description 1
- BYYFPVDBAHOLDX-UHFFFAOYSA-N n-dodecyl-n-phenylaniline Chemical class C=1C=CC=CC=1N(CCCCCCCCCCCC)C1=CC=CC=C1 BYYFPVDBAHOLDX-UHFFFAOYSA-N 0.000 description 1
- LRUUZFQPCUFYPV-UHFFFAOYSA-N n-dodecyldodecan-1-imine oxide Chemical compound CCCCCCCCCCCC[N+]([O-])=CCCCCCCCCCCC LRUUZFQPCUFYPV-UHFFFAOYSA-N 0.000 description 1
- GBMIPYGHTZRCRH-UHFFFAOYSA-N n-ethylethanimine oxide Chemical compound CC[N+]([O-])=CC GBMIPYGHTZRCRH-UHFFFAOYSA-N 0.000 description 1
- ZRPOKHXBOZQSOX-UHFFFAOYSA-N n-heptadecyl-n-octadecylhydroxylamine Chemical compound CCCCCCCCCCCCCCCCCCN(O)CCCCCCCCCCCCCCCCC ZRPOKHXBOZQSOX-UHFFFAOYSA-N 0.000 description 1
- DBCWENWKZARTGU-UHFFFAOYSA-N n-heptadecyloctadecan-1-imine oxide Chemical compound CCCCCCCCCCCCCCCCCC=[N+]([O-])CCCCCCCCCCCCCCCCC DBCWENWKZARTGU-UHFFFAOYSA-N 0.000 description 1
- GCDJFNYVSDFWDB-UHFFFAOYSA-N n-hexadecylhexadecan-1-imine oxide Chemical compound CCCCCCCCCCCCCCCC[N+]([O-])=CCCCCCCCCCCCCCCC GCDJFNYVSDFWDB-UHFFFAOYSA-N 0.000 description 1
- HQYHEBGVNAJVAA-UHFFFAOYSA-N n-hexadecylhydroxylamine Chemical compound CCCCCCCCCCCCCCCCNO HQYHEBGVNAJVAA-UHFFFAOYSA-N 0.000 description 1
- FHAFFFSIDLDWQA-UHFFFAOYSA-N n-hexadecyloctadecan-1-imine oxide Chemical compound CCCCCCCCCCCCCCCCCC=[N+]([O-])CCCCCCCCCCCCCCCC FHAFFFSIDLDWQA-UHFFFAOYSA-N 0.000 description 1
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- ZXGDIORKSOYRMQ-UHFFFAOYSA-N n-octadecylheptadecan-1-imine oxide Chemical compound CCCCCCCCCCCCCCCCCC[N+]([O-])=CCCCCCCCCCCCCCCCC ZXGDIORKSOYRMQ-UHFFFAOYSA-N 0.000 description 1
- MCMMSXFAWOGWQE-UHFFFAOYSA-N n-octadecylhexadecan-1-imine oxide Chemical compound CCCCCCCCCCCCCCCCCC[N+]([O-])=CCCCCCCCCCCCCCCC MCMMSXFAWOGWQE-UHFFFAOYSA-N 0.000 description 1
- RQVGZVZFVNMBGS-UHFFFAOYSA-N n-octyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCCCCCC)C1=CC=CC=C1 RQVGZVZFVNMBGS-UHFFFAOYSA-N 0.000 description 1
- QXJGVICBAANVMZ-UHFFFAOYSA-N n-octyloctan-1-imine oxide Chemical compound CCCCCCCC[N+]([O-])=CCCCCCCC QXJGVICBAANVMZ-UHFFFAOYSA-N 0.000 description 1
- NYLGUNUDTDWXQE-UHFFFAOYSA-N n-phenyl-n-prop-2-enylaniline Chemical compound C=1C=CC=CC=1N(CC=C)C1=CC=CC=C1 NYLGUNUDTDWXQE-UHFFFAOYSA-N 0.000 description 1
- MHJCZOMOUCUAOI-UHFFFAOYSA-N n-tert-butyl-n-phenylaniline Chemical class C=1C=CC=CC=1N(C(C)(C)C)C1=CC=CC=C1 MHJCZOMOUCUAOI-UHFFFAOYSA-N 0.000 description 1
- SLYJXPKHTZCZOG-UHFFFAOYSA-N n-tetradecyltetradecan-1-imine oxide Chemical compound CCCCCCCCCCCCCC[N+]([O-])=CCCCCCCCCCCCCC SLYJXPKHTZCZOG-UHFFFAOYSA-N 0.000 description 1
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- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
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- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
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- 239000011049 pearl Substances 0.000 description 1
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- 150000002989 phenols Chemical class 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- ZPNJBTBYIHBSIG-UHFFFAOYSA-N phenyl-(2,2,6,6-tetramethylpiperidin-4-yl)methanone Chemical compound C1C(C)(C)NC(C)(C)CC1C(=O)C1=CC=CC=C1 ZPNJBTBYIHBSIG-UHFFFAOYSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 229920001627 poly(4-methyl styrene) Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920003251 poly(α-methylstyrene) Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229940068886 polyethylene glycol 300 Drugs 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 229940066675 ricinoleate Drugs 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 229940074404 sodium succinate Drugs 0.000 description 1
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- 229960000984 tocofersolan Drugs 0.000 description 1
- AOBORMOPSGHCAX-DGHZZKTQSA-N tocofersolan Chemical compound OCCOC(=O)CCC(=O)OC1=C(C)C(C)=C2O[C@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C AOBORMOPSGHCAX-DGHZZKTQSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- 125000005591 trimellitate group Chemical group 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- 229920001862 ultra low molecular weight polyethylene Polymers 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 229920001866 very low density polyethylene Polymers 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
- 239000002076 α-tocopherol Substances 0.000 description 1
- 235000004835 α-tocopherol Nutrition 0.000 description 1
- 235000007680 β-tocopherol Nutrition 0.000 description 1
- 239000011590 β-tocopherol Substances 0.000 description 1
- 239000002478 γ-tocopherol Substances 0.000 description 1
- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 1
- 239000002446 δ-tocopherol Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/885—Adding charges, i.e. additives with means for treating, e.g. milling, the charges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
- B29B7/905—Fillers or reinforcements, e.g. fibres with means for pretreatment of the charges or fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
- B29B9/14—Making granules characterised by structure or composition fibre-reinforced
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Description
"MISCELE DI ADDITIVI PER POLIMERI ORGANICI IN FORMA GRANULARE"
DESCRIZIONE
La presente invenzione riguarda miscele di additivi per polimeri organici in forma granulare.
Più in particolare la presente invenzione riguarda miscele di additivi per polimeri organici in forma granulare comprendenti uno o più stabilizzanti per polimeri organici, uno o più pigmenti organici od inorganici e/o uno o più coloranti, ottenute per estrusione ad una temperatura in grado di permettere la fusione parziale o totale del componente più bassofondente ed il loro utilizzo nella stabilizzazione e nella colorazione dei polimeri organici.
La presente invenzione riguarda inoltre le composizioni polimeriche stabilizzate e colorate con le suddette miscele ed i manufatti ottenuti dalla loro lavorazione.
Come è noto, la maggior parte degli additivi per polimeri organici sono in forma di polveri. Dette polveri, nell'utilizzo durante la lavorazione dei polimeri organici, presentano l'inconveniente di disperdersi nell'aria e possono arrecare danno alla salute degli operatori oltre che creare problemi di sicurezza dovuti alla possibilità di esplosioni .
Un altro svantaggio dell'utilizzo di additivi in forma di polveri è la loro tendenza ad impaccarsi nelle tramogge di alimentazione ottenendo, pertanto, dosaggi incostanti degli additivi nel polimero.
Inoltre, l'utilizzo di additivi in forma di polveri, presenta difficoltà nel realizzare una completa omogeneizzazione tra i vari componenti della miscela e quindi tra queste ed il polimero organico da stabilizzare causando, di conseguenza, una disomogeneità nella stabilizzazione.
E' noto che la richiesta da parte del mercato di additivi in forma solida è sempre maggiore.
A questo scopo si è ricorsi a sistemi di granulazione mediante macchine compattatrici o pastigliatrici a secco, oppure si utilizzano i cosiddetti "masterbatches" contenenti il polimero organico da stabilizzare ed uno o più additivi in quantità compresa tra 2,5% e 60%.
Miscele solide di stabilizzanti per polimeri organici possono essere ottenute come descritto, ad esempio, nel brevetto europeo EP 565,184: le miscele solide ottenute sono costituite da due o più stabilizzanti per polimeri organici ma non viene fatto nessun riferimento alla possibilità di introdurre, in dette miscele, pigmenti organici od inorganici e/o uno o più coloranti.
Poiché, generalmente, anche i pigmenti organici od inorganici ed i coloranti sono in forma di polveri, il loro utilizzo nei polimeri organici presenta gli stessi inconvenienti sopra descritti.
Nel brevetto USA 4,604,100 è descritto un procedimento per la preparazione di formulazioni di coloranti in forma granulare utilizzando il glicole polietilenico come agente veicolante ("carrier").
Nel brevetto USA 4,194,921 è invece descritto un processo per ottenere pigmenti in forma di perle ("beads") esenti da polveri: anche in questo caso si opera in presenza di agenti veicolanti ("carriers").
La Richiedente ha ora trovato che è possibile ottenere miscele di additivi per polimeri organici in forma granulare comprendenti uno o più stabilizzanti per polimeri organici, uno o più pigmenti organici od inorganici e/o uno o più coloranti, attraverso una estrusione ad una temperatura in grado di permettere la fusione parziale o totale del componente più bassofondente. La temperatura di estrusione è notevolmente inferiore alla temperatura a cui vengono processati gli additivi nel caso dei "masterbatches" e, di conseguenza, gli additivi utilizzati vengono sottoposti ad uno stress termico inferiore. Inoltre, non vengono utilizzati agenti veicolanti evitando, quindi, di introdurre nel polimero organico da additivare, componenti estranei.
Costituiscono pertanto oggetto della presente invenzione miscele di additivi in forma granulare comprendenti :
uno o più stabilizzanti per polimeri organici; uno o più pigmenti organici od inorganici; e/o uno o più coloranti;
ottenute tramite estrusione ad una temperatura in grado di permettere la fusione parziale o totale del componente più bassofondente.
Stabilizzanti per polimeri organici utili allo scopo della presente invenzione sono scelti tra i seguenti gruppi;
1. Antiossidanti
1.1 Monofenoli alchilati come, ad esempio: 2,6-dit-butil-4-metilfenolo; 2-t-butil-4,6-dimetilfenolo; 2, 6-di-t-butil-4-etilfenolo; 2, 6-di-t-butil-4-n-butilfenolo; 2 , 6-di-t-butil-4-isobutilfenolo; 2, 6-diciclopentil-4-metilfenolo; 2- (α-metilcicloesil) -4.6-dimetilfenolo; 2,6-diottadecil-4-metilfenolo; 2.4.6-tricicloesilfenolo; 2,6-di-t-butil-4-metossimetilfenolo; nonilfenoli a catena alchilica lineare o ramificata quali, ad esempio, 2,6-di-nonil-4-metilienolo; 2,4-dimetil-6-(1'-metilundec-1'-il)fenolo; 2, 4-dimetil-6-(1'-metileptadec-1'-il)fenolo; 2,4-dimetil-6- (1'-metiltridec-1'-il)fenolo; e loro miscele .
1.2 Alchiltiometilfenoli come, ad esempio: 2,4-diottiltiometil-6-t-butilfenolo; 2,4-diottiltiometil-6-metìlfenolo; 2,4-diottiltiometil-6-etilfenolo; 2,6-didodeciltiometil-4-nonilfenolo.
1.3 Idrochinoni ed idrochinoni alchilati come, ad esempio: 2,6-di-t-butil-4-metossifenolo; 2,5-di-tbutilidrochinone; 2,5-di-t-amilidrochinone; 2,6-difenil-4-ottadecilossifenolo; 2,6-di-t-butilidrochinone; 2,5-di-t-butil-4-idrossianisolo; 3,5-di-t-butil-4-idrossianisolo; 3,5-di-t-butil-4-idrossifenil stearato; bis(3,5-di-t-butil-4-idrossifenil)adipato .
1 .4 Tocoferoli come, ad esempio: α-tocoferolo, βtocoferolo, γ-tocoferolo, δ-tocoferolo e loro miscele (Vitamina E).
1.5 Eteri tiodifenilici idrossilati come, ad esempio: 2,2 '-tiobis-(6-t-butil-4-metilfenolo); 2,2'-tiobis- (4-ottilfenolo); 4,4'-tiobis-(6-t-butil-3-metilfenolo); 4,4'-tiobis-(6-t-butil-2-metilfenolo); 4 ,4'-tiobis-(3,6-di-s-amilfenolo); 4,4'-bis-(2,6-dimetil-4-idrossifenil)disolfuro.
1.6 Alchilidene-bisfenoli come, ad esempio: 2,2'-metilenebis- (6-t-butil-4-metilfenolo); 2,2'-metilenebis- (6-t-butil-4-etilfenolo); 2,2'-metilenebis[4-metil-6- (α-metilcicloesil)fenolo]; 2,2'-metilenebis (4-metil-6-cicloesilfenolo); 2,2'-metilenebis(6-nonil-4-metilfenolo) ; 2,2'-metilenebis(4,6-di-t-butilfenolo) ; 2,2'-etilidenebis(4,6-di-t-butilfenolo); 2,2'-etilidenebis(6-t-butil-4-isobutilfenolo); 2,2'-metilenebis[6-(α-metilbenzil)-4-nonilfenolo] ; 2,2'-metilenebis[6-(α,α-dimetilbenzil)-4-nonilfenolo] ; 4,4'-metilenebis(2,6-di-t-butilfenolo); 4,4'-metilenebis (6-t-butil-2-metilfenolo); 1,1-bis-(5-t-butil-4-idrossi-2-metilfenil)butano; 2,6-bis-(3-t-butil-5-metil--2-idrossibenzil)-4-metilfenolo; 1,1,3-tris- (5-t-butil— 4-idrossi-2-metilfenil)butano; 1,1-bis(5-t-butil-4-idrossi-2-metilfenil)-3-ndodecilmercaptobutano; etilenglicole bis[3,3-bis-(3'-t-butil-4'-idrossifenil)butirrato]; bis(3-t-butil-4-idrossi-5-metilfenil)diciclopentadiene; bis-[2-(3'-t-butil-2 '-idrossi-5'-metilbenzil)— 6--t-butil- 4-metilfenil]tereftalato; 1,1-bis(3,5-dimetil-2-idrossifenil)butano; 2,2 -bis(3,5-di-t-butil-4-idrossifenil)propano; 2 ,2-bis(5-t-butil-4-idrossi-2-metilfenil)-4-n-dodecilmercaptobutano; 1,1,5,5-tetra (5-t-butil-4-idrossi-2-metilfenil)pentano.
1.7 Composti benzilici contenenti 0, N o S come, ad esempio: 3,5,3',5'-tetra-t-butil-4,4'-diidrossidibenziletere; ottadecil-4-idrossi-3,5-dimetilbenzilmercaptoacetato; tridecil-4-idrossi-3,5-di-t-butilbenzilmercaptoacetato; tris(3,5-di-t-butil-4-idrossibenzil)ammina; bis (4-t-butil-3-idrossi-2,6-dimetilbenzil)ditiotereftalato; bis (3,5-di-t-butil-4-idrossibenzil)solfuro; isoottil-3,5-di-t-butil-4-idrossibenzilmercaptoacetato .
1.8 Maionati idrossibenzilati come, ad esempio: diottadecil-2,2-bis (3,5-di-t-butil-2-idrossibenzil)-maionato; diottadecil-2- (3-t-butil-4-idrossi-5-metilbenzil)maionato; didodecilmercaptoetil-2,2-bis-(3,5— di— t-butil-4-idrossibenzil)malonato; bis[4-(1,1,3,3-tetrametilbutil)fenil]— 2,2— bis(3,5-di-tbutil-4-idrossibenzil)maionato .
1.9 Composti idrossibenzilici aromatici come, ad esempio: 1,3,5-tris(3,5-di--t-butil--4— idrossibenzìi)-2,4,6-trimetilbenzene; 1,4— bis--(3,5-di-t-butìlidrossibenzil)-2,3,5,6-tetrametilbenzene; 2,4,6-tris(3,5-di-t-butil-4-idrossibenzil)fenolo.
1.10 Composti triazinici come, ad esempio: 2,4-bis(ottilmercapto)-6- (3,5-di-t-butil-4-idrossiani--lino)-1,3,5-triazina; 2-ottilmercapto-4 ,6-bis(3,5-di-t-butil-4-idrossianilino)-1,3,5-triazina; 2-ottilmercapto-4,6-bis (3,5-di-t-butil-4-idrossifenos--si)-1,3,5-triazina; 2,4,6-tris-(3,5-di-t-butil--4--idrossifenossi)-1,2,3-triazina; 1,3,5-tris(3,5-dit-butil-4-idrossibenzil)isocianurato; 1,3,5-tris(4-t-butil-3-idrossi— 2,6— dimetilbenzil)isocianurato; 2,4,6-tris-(3,5-di-t-butil-4-idrossifeniletil )-1,-3,5-triazina; 1,3,5-tris(3,5-di-t-butil-4-idrossifenilpropionil )esaidro-1,3,5-triazina; 1,3,5-tris-(3,5-dicicloesil-4-idrossibenzil)isocianurato.
1.11 Benzilfosfonati come, ad esempio: dimetil-2,5-di-t-butil-4-idrossibenzilfosfonato; dietil-3,5-dit-butil-4-idrossibenzilfosfonato; diottadecil-3,5-di-t-butil-4-idrossibenzilfosfonato; diottadecil-5-t-butil-4-idrossi-3-metilbenzilfosfonato; sali di calcio dell'estere monoetilico dell'acido 3,5-di-tbutil-4-idrossibenzilfosfonico .
1.12 Acilamminofenoli come, ad esempio: 4-idrossilauranilide; 4-idrossistearanilide; ottil-N-(3,5di-t-butil-4-idrossifenil)carbammato .
1.13 Esteri dell'acido β-(3,5-di-t-butiI-4-idrossifenil)propionlco con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, n-ottanolo, i-ottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodietilenico, glicole dietilenico, glicole trietilenico, pentaeritritolo, tris(idrossietil) isocianurato, N,N'-bis-(idrossietil)ossalammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetil-1-fosfo-2, 6,7-triossabiciclo-[2.2.2]-ottano .
1.14 Esteri dell'acido β-(5-t-butil-4-idrossi-3-metilfenil)propionico con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, n-ottanolo, i-ottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodietilenico, glicole dietilenico, glicole trietilenico, pentaeritritolo, tris (idrossietil)isocianurato, N,N'-bis-(idrossietil)ossammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetil-1-fosfo-2,6,7-triossabiciclo-[2.2.2]-ottano.
1.15 Esteri dell'acido β-(3,5-dicicloesil-4-idrossifenil)propionico con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, h-ottanolo, i-ottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodietilenico, glicole dietilenico, glicole trietilenico, pentaeritritolo, tris (idrossietil)isocianurato, N,N'-bis-(idrossietil)ossammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetìl-1-fosfo-2 ,6,7-triossabiciclo-[2.2.2]-ottano.
1.16 Esteri dell'acido 3,5-di-t-butil-4-idrossifenil acetico con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, n-ottanolo, iottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodietilenico, glicole dietilenico, glicole trietilenico, pentaeritritolo, tris (idrossietil)isocianurato, Ν,Ν' -bis(idrossietil)ossammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetil— l--fosfo-2,6,7-triossabiciclo[2.2.2]-ottano .
1.17_ Ammidi dell'acido β-(3,5-di-t-butil-4idrossifenil)propionico come, ad esempio: Ν,Ν'-bis(3,5-di-t-butil-4-idrossifenilpropionil)esametilenediammide; Ν,Ν '-bis(3,5-di-t-butil— 4— idrossifenilpropionil)trimetilenediammide; N ,N'-bis(3,5-di-t-butil-4-idrossifenilpropionil)idrazide; N,N' -bis[2- (3-[3,5-di-t-butil-4-idrossifenil]propionil--ossi)etil]ossammide (Naugard<® >XL-1 della Uniroyal).
1.18 Acido ascorbico (vitamina C).
1.19 Antiossidanti amminici come, ad esempio, Ν,Ν'-di-isopropil-p-fenilenediammina; N,N'-di-s-butil-pfenilenediammina; N,N'-bis(1,4-dimetilpentil}-p-fenilenediammina; N,N' -bis{l-etil-3-metilpentil)-pfenilenediammina; N,N'-bis (1-metileptil)-p-fenilenediammina; N,N'-dicicloesil-p-fenilenediammina ; N,N'-difenil-p-fenilenediammina; N,N'-bis (2-naftil)-p-fenilenediammina; N-isopropìl-N' -fenil-pfenilenediammina; N- (1,3-dimetilbutil)-N'-fenil-pfenilenediammina; N-(1-metileptil)-N'-fenil-p-fenilenediammina; N-cicloesil-N' -fenil-p-fenilenediammìna; 4-(p-toluenesulfamoil)difenilammina; Ν,Ν'-dimetil-N,N'-di-s-butil-p-fenilenediammina; difenilammina; N-allildifenilammina; 4-isopropossidifenilammina; N-fenil-1-naftilammina; N-(4-t-ottilfenil)-1-naftilammina; N-fenil-2-naftilammina; difenilammina ottilata quale, ad esempio, p,p'-di-tottildifenilammina; 4-n-butilamminofenolo; 4-butirrilamminofenolo; 4-nonanoilamminofenolo; 4-dodecanoilamminofenolo; 4-ottadecanoilamminofenolo; bis-(4-metossifenil)ammina; 2,6-di-t-butil-4-dimetilamminometilfenolo; 2,4'-diamminodifenilmetano; 4,4'-diamminodifenilmetano; Ν,Ν,N' ,N'-tetrametil-4,4'-diamminodifenilmetano; 1,2-bis[(2-metilfenil)-ammino]etano; 1,2-bis (fenilammino)propano; (o-tolil)biguanide; bis [4-(1',3'-dimetilbutil)fenil]-ammina; N-fenil-1-naftilammina t-ottilata; miscela di t-butil/t-ottildi.fenilammine mono- e dialchilate; miscela di nonildifenilammine mono- e dialchilate; miscela di dodecildifenilammine mono- e dialchilate; miscela di isopropil/isoesildifenilammine mono- e dialchilate; miscela di t-butildifenilammine mono- e dialchilate; 2,3-diidro-3,3-dimetil-4H-1,4-benzotiazina ; fenotiazina; miscela di tbutil/t-ottilfenotiazine mono- e dialchilate; miscela di t-ottil-fenotiazine mono- e dialchilate; N-allil-fenotiazina ; N,N,N',N'-tetrafenil-1,4-diamminobut-2-ene; N,N-bis(2,2,6,6-tetrametil-piperid-4-il-esametilenediammina; bis(2,2,6,6-tetrametilpiperidin-4-il)sebacato; 2,2,6,6-tetrametilpiperidin-4-one; 2,2,6,6-tetrametilpiperidin-4-olo.
2. Stabilizzanti ai raggi ultravioletti ed alla luce.
2.1 Derivati di 2- (2'-idrossifenil)benzotriazoli come, ad esempio: 2-(2'-idrossi-5'-metilfenil)benzotriazolo; 2- (3',5'-di-t-butil-2'-idrossifenil)-benzotriazolo; 2-(5'-t-butil-2'-idrossifenil)benzotriazolo; 2- [2'-idrossi-5'-(1,1,3,3-tetrametrilbutil)fenil]benzotriazolo; 2-(3',5'— di-t-butil--2'--idrossifenil)-5-clorobenzotriazolo; 2-(3'-t-butil-2'-idrossi-5 '-metilfenil)-5-clorobenzotriazolo; 2-(3'-s-butil-5'-t-butil-2'-idrossifenil)benzotriazolo; 2- (2'-idrossi-4'-ottilossifenil)benzotriazolo; 2- (3',5'—di— t--amil-2'-idrossifenil)benzotriazolo; 2- [3',5'-bis(α,α-dimetilbenzil)--2'— idrossifenil]-benzotriazolo; 2-[3'--t--butil— 2'--idrossi-5'-(2-ottilossicarboniletil)fenil)--5-clorobenzotriazolo; 2- [3'-t-butil-5'-(2-(2-etilesilossi)carboniletil)--2 '-idrossifenil]-5-clorobenzotriazolo; 2-[3'-t-butil-2 '-idrossi-5'-(2-metossicarboniletil)fenil]-5— clorobenzotriazolo; 2-[3'-t-butil-2'-idrossi— 5'--(2-metossicarboniletil)fenil]benzotriazolo; 2-[3'-t-butil-2 '-idrossi-5'-(2-ottilossicarboniletil)fenil]benzotriazolo; 2-[3'-t-butil-5'-(2-(2-etilesilossi)carboniletil )--2'--idrossifenil)benzotriazolo; 2—(3'-dodecil-2'-idrossi-5'-metilfenil)benzotriazolo; 2- [3'-t-butil-2'-idrossi-5'-(2-iso-ottilossicarboniletil)fenil]benzotriazolo; 2,2'-metilenebis-[4- (1,1,3,3-tetrametilbutil)-6-benzotriazol-2--il-fenolo]; prodotto di transesterificazione del 2-[3'-t-butil-5 '-{2-metossicarbonil-etil)-2'-idrossifenil]-2H-benzotriazolo con il polietilene glicole 300;
[R-CH2CH2-COO(CH2)3-]2- in cui R = 3'— t— butil— 4— idrossi-5 '-2H-benzotriazol-2-il-fenil; 2- [2' -idrossi-3'- (a,α-dimetilbenzil)--5'--(1,1,3,3-tetrametilbutil)fenil]benzotriazolo; 2-[2'-idrossi-3'-(1,1,-3,3-tetrametilbutil)-5'- (a,α-dimetilbenzil)fenil]— benzotriazolo.
2.2 Derivati di 2-idrossibenzofenoni come, ad esempio: 4-idrossi-; 4-metossi-; 4-ottilossi; 4-decilossi-; 4-dodecilossi-; 4-benzilossi-; 4,2’,4'-triidrossi-; 2'-idrossi-4,4'-dimetossi.
2.3 Esteri di acidi benzoici, opzionalmente sostituiti, come, ad esempio: fenil salicilato, 4-tbutilfenil salicilato, ottilfenil salicilato, benzoli resorcinolo, bis(4-t-butilbenzoil)resorcinolo, dibenzoil resorcinolo, 2,4-di-t-butilfenil-3,5-dit-butil-4-idrossibenzoato, esadecil-3,5-di-t-butil-4— idrossibenzoato, ottadecil— 3,5— di— t— butil-4-idrossibenzoato, 2-metil--4,6--di-t-butilfenil-3,5-di-t-butil- 4-idrossibenzoato.
2.4 Acrilati come, ad esempio, etil od iso-ottil αciano-β,β-difenilacrilato; metil α-carbometossicinnamato, metil o butil α-ciano^-metil-p-metossicinnamato, metil α-carbometossi-p-metossicinnamato, N-(β-carbometossi-β-cianovinil)-2-metilindolina.
2.5 Composti del nichel come, ad esempio, Nicomplessi del 2,2'-tio-bis-[4-(1,1,3,3-tetrametilbutil)fenolo], ad esempio complessi 1:1 o 1:2, con o senza leganti addizionali come n-butilammina, trietanolammina o N-cicloesildietanolammina, nichel dibutilditiocarbammato, sali di nichel di esteri monoalchilici dell'acido 4-idrossi-3,5-di-t-butilbenzilfosfonico, come esteri metilici o etilici, complessi del nichel con chetossime come 2-idrossi-4-metilfenil undecilchetossima, complessi del nichel di l-fenil-4-lauroil-5-idrossipirazolo con o senza leganti addizionali.
2.6 Ammine stericamente impedite e loro N-alcossi derivati come, ad esempio: poli-metilpropil-3-ossi-[4-(2,2,6,6-tetrametil)piperidinil]silossano, polimetilpropil-3-ossi- [4-(1,2,2,6,6-pentametil)piperidinil]silossano, bis-(2,2,6,6-tetrametil-4—piperidinil)sebacato; bis-{2,2,6,6-tetrametil-4-piperidinil)succinato; bis{1,2,2,6,6-pentametil-4-piperidinil )sebacato; bis(1-ottilossi-2,2,6,6—tetrametil4-piperidinil)sebacato; bis(1,2,2,6,6-pentametil-4-piperidil)-n-butil-3,5-di-t-butil-4-idrossibenzil--maionato; prodotto di condensazione tra la l-(2-idrossietil)-2,2,6,6-tetra-4-idrossipiperidina e l'acido succinico; prodotto di condensazione, lineare o ciclico, tra la N,N '-bis(2,2,6,6-tetrametil-4-piperidil )esametilenediammina e la 4-t-ottilammino-2,6-dicloro-1,3,5-s-triazina; tris-(2,2,6,6-tetrametil-4-piperidil)nitrilotriacetato; tetrakis (2,2,6,6-tetrametil-4-piperidinil)-1,2,3,4-butanotetracarbossilato; 1,1'— (1,2— etanodiil)bis-(3,3,5,5-tetrametilpiperazinone; 4-benzoil-2,2,6,6-tetrametilpiperidina; 4-stearilossi-2,2,6,6-tetrametilpiperidina; bis(1,2,2,6,6--pentametilpiperi— dii)-2-n-butil-2- (2-idrossi-3,5-di-t-butilbenzil)--maionato; 3-n-ottil-7,7,9,9-tetrametil-1,3,8-triazaspiro- [4.5]decan-2,4-dione; bis(1— ottilossi— 2.2.6.6-tetrametilpiperidil )sebacato; bis-(1-ottilossi-2,2,6, 6-tetrametilpiperidil)succinato; prodotto di condensazione, lineare o ciclico, tra la N,N '-bis(2,2,6,6-tetrametil-4-piperidil)esametile— nediammina e la 4-morfolino-2,6-dicloro-1,3,5-triazina; prodotto di condensazione tra la 2-cloro-4.6-di- (4-n-butilammino— 2,2,6,6— tetrametilpiperidil)-1 ,3,5-triazina e l'1,2-bis(3-amminopropilammino)etano; prodotto di condensazione tra la 2-cloro-4,6-di- (4-n-butilammino-1,2,2,6,6-pentametilpiperidil)-1,3,5-triazina e l'1,2-bis{3-amminopropilammino)etano; 8-acetil-3-dodecil-7,7,9,9-tetrametil-1,3,8-triazaspiro [4,5]decano-2,4-dione; 3-dodecil-1- (2,2,6,6-tetrametil-4-piperidil)pirrolidin-2,5-dione; 3-dodecil-1-(1,2,2,6,6-pentametil-4-piperidil)pirrolidin-2,5-dione ; miscela di 4-esadecilossi- e 4-stearilossi-2,2,6,6-tetrametilpiperidina; prodotto di condensazione tra Ι'Ν,Ν'-bis (2,2,6,6-tetrametil-4-piperidil)esametilenediammina e la 4-cicloesilammino-2,6-dicloro-1,3,5-triazina; prodotto di condensazione tra l'1,2-bis(3-amminopropilammino)etano e la 2,4,6-tricloro-1,3,5-triazina, così come la 4-butilammino-2,2,6,6-tetrametilpiperidina (CAS Reg. No. [136504-96-6]; N- (2,2,6,6-tetrametil-4-piperidil)-n-dodecilsuccinimmide; N- (1,2,2,6,6-pentametil-4-piperidil)-n-dodecilsuccinimmide; 2-undecil-7,7,9,9-tetrametil-1-ossa-3,8-diaza-4-ossospiro [4,5]decano; prodotto di reazione tra il 7,7,9,9-tetrametil-2-cicloundecill-ossa-3,8-diaza-4-ossospiro [4,5]decano e l'epicloridrina; 1,l-bis(1,2,2,6,6-pentametil-4-piperidilossicarbonil)— 2— (4-metossifenil)etene; Ν,Ν'-bis— formil-N,N'-bis (2,2,6,6-tetrameti1-4-piperidil)esametilenediammina; diestere dell'acido 4-metossimetilenemalonico con la 1,2,2,6,6-pentametil-4-idrossipiperidina; prodotto di reazione del copolimero anidride maleica/α-olefina con la 2,2,6,6-tetrametil-4-amminopiperidina o con la 1,1,2,2,6-pentametil-4-amminopiperidina .
2.7 Ossammidi come, ad esempio: 4,4'-di-ottilossiossanilide; 2,2'-dietossiossanilide; 2,2'-diottilossi-5,5 '-di-t-butossanilide; 2,2'-didodecilossi-5,5 '-di-t-butilossanilide; 2-etossi-2'-etilossanilide; N,N'-bis{3-dimetilamminopropil)ossammide; 2-etossi-5-t-butil-2'-etossanilide e sue miscele con 2-etossi-2'-etil-5,4'-di-t-butossanilide; e miscele di orto- e para-metossi ossanilidi disostituite e miscele di orto- e para-etossi ossanilidi disostituite .
2.8 2- (2-idrossifenil)-1,3,5-triazine come, ad esempio: 2,4,6-tris(2-idrossi— 4— ottilossifenil)-1,3,5-triazina; 2-(2-idrossi-4-ottilossifenil)-4,6-bis (2,4-dimetilfenil)--1,3,5— triazina; 2-(2,4-diidrossifenil)-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina; 2,4-bis-(2-idrossi-4-propilossifenil)-6-(2,4-dimetilfenil) -1,3,5-triazina; 2-(2-idrossi-4-ottilossifenil)--4,6--bis(4-metilfenil)--1,3,5-triazina; 2-(2-idrossi-4-dodecilossifenil)-4,6-bis(2,4-dime-tilfenil)-1,3,5-triazina; 2- [2-idrossi-4-(2-idrossi--3— butilossipropilossi)fenil]-4,6-bis(2,4-dimetilfenil)-1,3,5-triazina; 2- [2-idrossi-4-(2-idrossi-3-ottìlossi-propìlossi)fenil]-4,6-bis (2,4-dime— tilfenil)-1,3,5-triazina; 2- (2-idrossi-4-tridecilossifenil)-4,6-bis- {2,4-dimetilfenil)-1,3,5-triazina; 2-[4-(dodecilossi/tridecilossi-2-idrossipropossi)-2-idrossifenil]-4,6-bis {2,4-dimetilfenil)-1,3,-5-triazina; 2- [2-idrossi-4-(2-idrossi-3-dodecilossipropossi)fenil]-4,6-bis (2,4-dimetilfenil)-1,3,5— triazina; 2- (2-idrossi-4-esilossifenil)-4,6-difenil-1,3,5-triazina; 2 -(2-idrossi-4-metossifenil)-4,6-difenil-1,3,5-triazina; 2,4,6-tris[2-idrossi— 4-(3-butossi-2-idrossipropossi)fenil]-1,3,5-triazina; 2- (2-idrossifenil)-4-(4-metossifenil)-6-fenil-1,3,5-triazina; 2-{2-idrossi-4-[3-(2-etilesi1-1-ossi)-2-idrossipropilossi]fenil}-4,6-bis (2,4-dimetilfenil)-1,3,5-triazina .
3. "Metal-deactivators" come, ad esempio; N,N-difenilossammide, N-salicilal-N'-saliciloil-idrazina, N,N '-bis(saliciloil)idrazina, N,N'-bis(3,5-di-tbutil-4-idrossifenilpropionil)idrazina, 3-saliciloilammino-1,2 ,4-triazolo, bis(benzilidene)ossallil diidrazide, ossanilide, isoftaloil diidrazide, sebacoil bisfenilidrazide, N,N'-diacetiladipoil diidrazide, N,N '-bis(saliciloil)ossallil diidrazide N,N'-bis (saliciloil)tiopropionil diidrazide.
4. Fosfiti e fosfoniti come, ad esempio: trifenil fosfito, difenil alchil fosfiti, fenil dialchil fosfiti, tris(nonilfenil)fosfito, trilauril fosfito, triottadecil fosfito, distearil pentaeritritol difosfito, tris(2,4-di-t-butilfenil)fosfito, diisodecil pentaeritritol difosfito, bis(2,4-di-t-butilfenil)pentaeritritol difosfito, bis(2,6-di-t-butil-4-metilfenil)pentaeritritol difosfito, diisodecilossipentaeritritol difosfito, bis(2,4-di-t-butil-6-metilfenil)pentaeritritol difosfito, bis [2,4,6-tris (t-butilfenil)]pentaeritritol difosfito, tristearil sorbitol trifosfito, tetrakis-(2,4-di-t-butilfenil)-4,4'-difenilenedifosfonito, 6-ìsoottilossi-2,4,8,10-tetra-t-butil-12H-dibenzo [d,g]-1,3,2-diossafosfocina, 6-fluoro-2,4,8,10-tetra-t-butil-12-metil-dibenzo [d,g]-1,3,2-diossafosfocina, bis-{2,4-di-t-butil-6-metilfenil)metiliosfito, bis(2,4-di-t-butil-6-metilfenil)etiliosfito; 2, 2' , 2' ' -nitrilo[trietil-tris(3,3' ,5,5'-tetra-t-butil-1,1 ’ -bifenil-2,2'-diil)fosfito] ; 2-etilesil-(3,3',5,5'-tetra-t-butil-1,1'-bifenil-2,2'-diil)fosfito.
5. Idrossilammine come, ad esempio: N,N-dibenzilidrossilammina; N,N-dietilidrossilammina; N,N-diottilidrossilammina; N,N-dilaurilidrossilammina; N,N-ditetradecilidrossilammina, N,N-diesadecilidrossilammina; N,N-diottadecilidrossilammina; N-esadecil-N-ottadecilidrossilammina; N-eptadecil-N-ottadecilidrossilammina; N,N-dialchilidrossilaminine derivate dalle ammine del sego idrogenate.
6. Nitroni come, ad esempio: N-benzil-α-f enilnitrone; N-etil-α-metil-nitrone; N-ottil-α-eptilnitrone; N-lauril-α-undecil-nitrone; N-tetradecilα-tridecil-nitrone; N-esadecil-α-pentadecil-nitrone; N-ottadecil-cc-eptadecil-nitrone; N-esadecil-αeptadecil-nitrone; N-ottadecil-α-pentadecil-nitrone; N-eptadecil-α-eptadecil-nitrone; N-ottadecil-αesadecil-nitrone; nitroni derivati dalle ammine del sego idrogenate.
7 . Tiosinergisti come, ad esempio: dilauril tiodipropionato; distearil tiodipropionato.
8. Agenti che sono in grado di distruggere i perossidi come, ad esempio, esteri dell'acido βtiodipropionico come lauril, stearil, miristil o tridecil esteri, mercaptobenzimidazolo o sale di zinco del 2-mercaptobenzimidazolo, zinco dibutilditiocarbammato, diottadecildisolfuro, pentaeritritol tetrakis (β-dodecilmercapto)propionato.
9. Stabilizzanti della poliammide come, ad esempio, sali di rame in combinazione con composti dello iodio e/o del fosforo, sali del manganese divalente.
10. Co-stabilizzanti basici come, ad esempio: melammina, polivinilpirrolidone, dicianodiammide, triallil cianurato, derivati dell'urea, derivati dell'idrazina, ammine, poliammidi, poliuretani, sali dei metalli alcalini e sali dei metalli alcalino-terrosi di acidi grassi ad elevato peso molecolare come, ad esempio, Ca-stearato, Zn-stearato, Mg-stearato, Mg-behenato, Na-ricinoleato, K-palmitato, antimonio-pirocatecolato, stagno-pirocatecolato, zinco-piracatecolato.
11. Agenti nucleanti come, ad esempio: sostanze inorganiche quali talco, ossidi metallici (ad esempio, diossido di titanio od ossido di magnesio), fosfati, carbonati o solfati (preferibilmente di metalli alcalino-terrosi); composti organici quali acidi mono- o policarbossilici e loro sali (ad esempio, acido 4-t-butilbenzoico, acido adipico, acido difenilacetico, succinato di sodio, benzoato di sodio); composti polimerici quali copolimeri ionici ("ionomers").
12. Cariche ed agenti rinforzanti come, ad esempio: carbonato di calcio, silicati, fibre di vetro, perline di vetro {"glass beads"), amianto, talco, caolino, mica, solfato di bario, ossidi ed idrossidi metallici, nero fumo, grafite, farina di legno e farine o fibre di altri prodotti naturali, fibre sintetiche .
13. Altri additivi come, ad esempio: plastificanti, lubrificanti, emulsionanti, additivi reologici, catalizzatori, agenti di scivolamento, brillantanti ottici, agenti antifiammma {ad esempio, bromurati, clorurati, fosforati e misti fosforo/alogeni), agenti antistatici, agenti di espansione.
11. Benzofuranoni ed indolinoni come, ad esempio: 3- [4-(2-acetossietossi)fenil]-5,7-di-t-butil-benzofuran-2-one; 5,7-di-t-butil-3-[4-(2-stearoilossietossi)fenil]benzofuran-2-one; 3,3’-bis[5,7-di-tbutil--3— [4-(2-idrossietossi)fenil]benzofuran--2--one]; 5,7-di-t-butil-3-(4-etossifenil)benzofuran-2-one; 3-(4-acetossi-3,5-dimetilfenil)-5,7-di-t-butil-benzofuran-2-one; 3-(3,5-dimetil-4-pivaloilossifenil)-5,7-di-t-butil-benzofuran-2-one; oppure quelli descritti nei brevetti USA No. 4,325,863, 4,338,244, 5,175,312, 5,216,052 e 5,252,643; nei brevetti tedeschi DE 4,316,611, 4,316,622 e 4,316,876; o nelle domande di brevetto europeo No.
589,839 e 591,102.
Esempi specifici di stabilizzanti per polimeri organici utili allo scopo della presente invenzione scelti tra quelli sopra descritti sono:
1.3.5-tris(3,5— di--t—butil--4— idrossibenzil)-2.4.6-trimetilbenzene (noto con il nome commerciale di IRGANOX 1330 della Ciba;
tetrakis[3-(3,5-di-t-butil-4-idrossifenil)prò— pionilossimetil]metano, sia in forma amorfa che in forma cristallina, (noto con i nomi commerciali di ANOX 20 AM ed ANOX 20, rispettivamente, della Great Lakes Chemical Corporation); ottadecil 3-(3',5'-di-t-butil-4'-idrossifenil)-propionato (noto con il nome commerciale di ANOX PP18 della Great Lakes Chemical Corporation);
2,2'-tiodietilene bis [3-(3,5-di-t-butil-4-idrossifenil)propionato (noto con il nome commerciale di ANOX 70 della Great Lakes Chemical Corporation);
1,3,5-tris(3,5-di-t-butil-4-idrossibenzil)iso— cianurato (noto con il nome commerciale di ANOX IC-14 della Great Lakes Chemical Corporation); 2-idrossi-4-metossibenzofenone (noto con il nome commerciale di LOWILITE 20 della Great Lakes Chemical Corporation);
2-idrossi-4-n-ottilossibenzofenone (noto con il nome commerciale di LOWILITE 22 della Great Lakes Chemical Corporation);
poiimetilpropi1-3-ossi- [4-(2,2,6,6-tetrametil)-piperidinil]silossano (noto con il nome commerciale di UVASIL 299 della Great Lakes Chemical Corporation);
bis- (2,2,6,6-tetrametil— 4—piperidinil)sebacato (noto con il nome commerciale di LOWILITE 77 della Great Lakes Chemical Corporation);
bis (1,2,2,6,6-pentameti1-4-piperidinil)sebaca--to (noto con il nome commerciale di LOWILITE 76 della Great Lakes Chemical Corporation); prodotto di condensazione tra la 1-(2-idrossietil)-2 ,2,6,6-tetra-4-idrossipiperidina e l'acido succinico (noto con il nome commerciale di LOWINOX 62 della Great Lakes Chemical Corporation) ;
prodotto di condensazione, lineare o ciclico, tra la Ν,Ν'-bis(2,2,6,6-tetrametil-4-piperidil )esametilenediammina e la 4-t-ottilammino-2,6-dicloro-1, 3,5-s-triazina (noto con il nome commerciale di LOWINOX 94 della Great Lakes Chemical Corporation);
tris(2,4-di-t-butilfenil)fosfito (noto con il nome commerciale di ALKANOX 240 della Great Lakes Chemical Corporation);
bis (2,4-di-t-butilfenil)pentaeritritol difosfito (noto con il nome commerciale di ALKANOX P-24 della Great Lakes Chemical Corporation); dilauril tiodipropionato;
distearil tiodipropionato;
esteri dell'acido β-tiodipropionico come lauril, stearil;
N,N'-bis (3,5-di-t-butil—4— idrossifenilpropio— nil)idrazina (nota con il nome commerciale di LOWINOX MD 24).
Pigmenti organici utili allo scopo della presente invenzione sono scelti tra i pigmenti organici di tipo azo, azometine, antrachinoni, perileni, diossazine, rossi tioindigo, chinacridoni, ftalocianine, blu indantrone, carbazoli (ad esempio, carbazolo viola), isoindolinoni, isoindoloni, benzimilazolinoni, o loro sali metallici, ecc.
Pigmenti inorganici utili allo scopo della presente invenzione sono scelti tra gli ossidi metallici quali, ad esempio, biossido di titanio, ossido di ferro di vari colori, ossido di zinco, nero fumo, pigmenti rinforzanti ("filler pigments") quali, ad esempio, talco, argilla cinese ("china clay"), bariti, carbonati, silicati, soliosilicati, ecc.
Coloranti, termine con il quale si intende qui indicare anche gli agenti sbiancanti, utili allo scopo della presente invenzione sono scelti tra i coloranti solubili, insolubili, o poco solubili in acqua.
Coloranti solubili in acqua sono, ad esempio, i coloranti acidi quali, coloranti nitro, amminochetoni, chetoni-immine, metine, nitrodifenilammine, chinoline, amminonaftochinoni, cumarine, antrochinoni, coloranti azo quali coloranti monoazo o diazo. Detti coloranti contengono uno o più gruppi anionici solubili in acqua quali, ad esempio, un gruppo acido carbossilico oppure un gruppo acido solfonico e sono, generalmente, in forma di sali quali, ad esempio, sali di litio, di sodio, di potassio o di ammonio.
I suddetti coloranti possono anche essere sali quali ad esempio cloruri, solfati, metasolfati, oppure cloruri di onio od alogenuri metallici quali, ad esempio, tetraclorozincati di coloranti azo (monoazo, diazo o poliazo); antrachinoni, ftalocianine, diarilmetano e triarilmetano; metina, polimetina ed azometina; tiazoli, chetoni-immine, acridine, ciarline, coloranti nitro, chinoline, benzimidazoli xanteni, azine, ossazine, tiazine e triazine che hanno almeno un azoto quaternario nella molecola.
Coloranti insolubili o poco solubili in acqua utili allo scopo della presente invenzione sono scelti tra i coloranti contenenti zolfo, coloranti dispersi ("disperse dyes") oppure coloranti al tino ("vat dyes").
Coloranti dispersi sono scelti tra coloranti nitro, amminochetoni, chetoni-immine, metine, polimetine, difenilammine, chinoline, benzimidazoli, xantene, ossazine, amminonaftochinoni, cumarine che non contengono gruppi acido carbossilici oppure acido solfonici e sono, in particolare, antrachinoni e coloranti azo quali monoazo e diazo.
Coloranti al tino sono quelli che vengono applicati in forma solida dispersa ai tessuti e, dopo lo sviluppo, sono ancora presenti in una forma insolubile in acqua.
Nelle miscele di additivi oggetto della presente invenzione, gli stabilizzanti per polimeri organici, i pigmenti organici od inorganici ed i coloranti vengono utilizzati in qualsivoglia rapporto a seconda dell'utilizzo finale.
Le suddette miscele di additivi vengono aggiunti ai polimeri organici. Esempi di polimeri organici a cui possono essere aggiunte sono:
1. Polimeri delle monoolefine e delle diolefine come, ad esempio, polipropilene, poliisobutilene, polibut-1-ene, poli-4-metilpent-1-ene, poliisoprene o polibutadiene; così come polimeri delle cicloolefine come, ad esempio, ciclopentene o norbornene; polietilene (che può essere opzionalmente reticolato) come, ad esempio, polietilene ad elevata densità (HDPE), polietilene ad elevata densità e ad elevato peso molecolare ((HDPE-HMW), polietilene ad elevata densità ed ad elevatissimo peso molecolare ("ultrahigh molecular weight") (HDPE-UHMW), polietilene a media densità (MDPE), polietilene a bassa densità (LDPE), polietilene lineare a bassa densità (LLDPE), polietilene ramificato a bassa densità (BLDPE), (VLDPE), (ULDPE).
Le poliolefine quali, ad esempio le monolefine esemplificate nel paragrafo precedente, preferibilmente il polietilene ed il polipropilene, possono essere preparate attraverso diversi metodi noti in letteratura, preferibilmente utilizzando i seguenti metodi:
(a) polimerizzazione radicalica (generalmente condotta ad elevata pressione e ad elevata temperatura);
(b) polimerizzazione catalitica utilizzando un catalizzatore che normalmente contiene uno o più metalli dei gruppi IVb, Vb, VIb o Vili della Tavola Periodica. Detti metalli, generalmente, hanno uno o più leganti quali, ad esempio, ossidi, alogenuri, alcoolati, esteri, eteri, animine, alchili, alchenili e/o arili che possono essere π- oppure σ-coordinati. Questi complessi metallici possono essere in forma libera oppure supportati su substrati quali, ad esempio, magnesio cloruro attivato, titanio(III)cloruro, allumina od ossido di silicio. Detti catalizzatori possono essere solubili od insolubili nel mezzo di polimerizzazione. I catalizzatori possono essere utilizzati da soli oppure in presenza di altri attivatori quali, ad esempio, alchili metallici, idruri metallici, alogenuri di alchili metallici, ossidi di alchilici metallici od alchilossani metallici, detti metalli essendo elementi appartenenti ai gruppi la, Ila e/o Illa della Tavola Periodica. Gli attivatori possono essere convenientemente modificati con altri gruppi esterei, eterei, amminici o silil-eterei. Detti sistemi catalitici vengono usualmente chiamati Phillips, Standard Oil Indiana, Ziegler (-Natta), TNZ (DuPont), metallocene o "single site catalyst" (SSC).
2. Miscele dei polimeri descritti al punto (1) come, ad esempio, miscele di polipropilene con poliisobutilene; miscele di polipropilene con polietilene (ad esempio, PP/HDPE, PP/LDPE); miscele di differenti tipi di polietilene (ad esempio, LDPE/HDPE) .
3. Copolimeri delle monoolefine e delle diolefine tra loro o con altri monomeri vinilici come, ad esempio, copolimeri etilene/propilene, polietilene lineare a bassa densità (LLDPE) e sue miscele con polietilene a bassa densità (LDPE), copolimeri propilene/but-1-ene, copolimeri propilene/isobutilene, copolimeri etilene/but-1-ene, copolimeri etilene/esene, copolimeri etilene/metilpentene, copolimeri etilene/eptene, copolimeri etilene/ottene, copolimeri propilene/butadiene, copolimeri isobutilene/isoprene, copolimeri etilene/alchil acrilato, copolimeri etilene/alchil metacrilato, copolimeri etilene/vinil acetato e loro copolimeri con monossido di carbonio o copolimeri etilene/acido acrilico e loro sali (ionomeri) così come terpolimeri dell'etilene con propilene ed un dìene come, ad esempio, esadiene, diciclopentadiene o etilidenenorbornene; ed anche miscele di detti copolimeri tra loro oppure con i polimeri sopra riportati al punto (1) quali, ad esempio, copolimeri polipropilene/etilene/propilene, copolimeri LDPE/etilene/-vinil acetato (ÈVA), copolimeri LDPE/etilene/acido acrilico (EAA), LLDPE/EVA, LLDPE/EAA, e copolimeri alternati o "random" polialchilene/monossido di carbonio e loro miscele con altri polimeri quali, ad esempio, poliammidi.
4. Resine idrocarburiche (ad esempio, C5-C9) comprendenti le loro modificazioni idrogenate (ad esempio, resine adesivanti) e miscele con polialchilene ed amido.
5. Polistirene, poli (p-metilstirene), poli(α-metilstirene) .
6. Copolimeri dello stirene o dell'α-metilstirene con dieni o derivati acrilici come, ad esempio, stirene/butadiene, stirene/acrilonitrile, stirene/alchil metacrilato, stirene/butadiene/alchil acrilato, stirene/butadiene/alchil metacrilato, stirene/anidride maleica, stirene/acrilonitrile/metil acrilato; miscele, aventi un elevato carico di rottura, tra copolimeri dello stirene ed un altro polimero come, ad esempio, un poliacrilato, un polimerò di un diene od un terpolimero etilene/propilene/diene, copolimeri a blocchi dello stirene come, ad esempio, stirene/butadiene/stirene, stirene/isoprene/stirene, stirene/etilene/butilene/stirene o stirene/etilene/propilene/stirene.
7. Copolimeri graffati dello stirene o dell'αmetilstirene come, ad esempio, stirene in polibutadiene, stirene in polibutadiene/stirene o copolimeri polibutadiene/acrilonitrile; stirene ed acrilonitrile (o metacrilonitrile) in polibutadiene; stirene, acrilonitrile e metilmetacrilato in polibutadiene; stirene ed anidride maleica in polibutadiene; stirene, acrilonitrile ed anidride maleica o maleimmide in polibutadiene; stirene e maleimmide in polibutadiene; stirene ed alchilacrilati od alchilmetacrilati in polibutadiene; stirene ed acrilonitrile in terpolimeri etilene/propilene/diene, stirene ed acrilonitrile in polialchil acrilati o polialchil metacrilati, stirene ed acrilonitrile in copolimeri acrilato/butadiene, così come miscele dei copolimeri sopra riportati con i copolimeri riportati al punto (6) come, ad esempio, miscele di copolimeri note come ABS, MBS, ASA o AES;
8. Polimeri contenenti alogeni come, ad esempio, policloroprene, gomme clorurate, copolimeri isobutilene-isoprene clorurati o brominati ("halobutyl rubber"), polietilene clorurato o clorosulfonato, copolimeri etilene ed etilene clorurato, omopolimeri e copolimeri dell'epicloridrina, in particolare polimeri di composti vinilici contenenti alogeni come, ad esempio, polivinil cloruro, polivinilidene cloruro, polivinil fluoruro o polivinilidene fluoruro; ed anche loro copolimeri come, ad esempio, vinil cloruro/vinilidene cloruro, vinil cloruro/vinil acetato o vinilidene cloruro vinil acetato.
9. Polimeri derivati da acidi α,β-insaturi e loro derivati come, ad esempio, poliacrilati e polimetacrilati, polimetil metacrilati, poliacrilammidi e poliacrilonitrili, modificati all'impatto con butil acrilato.
10. Copolimeri dei monomeri di cui al punto (9) tra loro o con altri monomeri insaturi come, ad esempio, copolimeri acrilonitrile/butadiene, copolimeri acrilonitrile/alchil acrilato, copolimeri acrilonitrile/alcossialchil acrilato o copolimeri acrilonitrile/alogenuro vinilico o terpolimeri acrilonitrile/alchil metacrilato/butadiene.
11. Polimeri derivati da alcooli insaturi ed animine, o loro derivati acilici od acetalici come, ad esempio, polivinil alcool, polivinil acetato, polivinil stearato, polivinil benzoato, polivinil maleato, polivinil butirrale, poliallil ftalato o poliallil melammina; così come loro copolimeri con le olefine di cui al punto (1).
12. Omopolimeri e copolimeri di eteri a catena aperta oppure di eteri ciclici come, ad esempio, glicoli polialchilenici, polietilene ossido, polipropilene ossido, oppure copolimeri dei composti sopra descritti con bis-glicidil eteri.
13. Poliacetali come, ad esempio, poliossimetilene e quei poliossimetileni che contengono comonomeri, ad esempio, ossido di etilene; poliacetali modificati con poliuretani termoplastici, acrilati o MBS.
14. Ossidi e solfuri del polifenilene e loro miscele con polimeri stirenici o poliammidi.
15. Poliuretani derivati da polieteri, poliesteri o polibutadieni idrossil-terminati da un lato e poliisocianati alifatici od aromatici dall'altro, così come i loro precursori.
16. Poliammidi e copoliammidi derivate da diammine ed acidi dicarbossilici e/o da acidi amminocarbossilici o dai corrispondenti lattami come, ad esempio, poliammide 4, poliammide 6, poliammide 6/6, 6/10, 6/9, 6/12, 4/6, 12/12, poliammide 11, poliammide 12, poliaramidi aromatiche ottenute a partire da m-xilene diammina ed acido adipico; poliammidi preparate da esametilenediammina ed acido isoftalico e/o tereftalico e con o senza un elastomero come agente modificante, ad esempio, poli-2,4,4-trimetilesametilene tereftalammide o poli-m-fenilene isoftalammide; ed anche copolimeri a blocchi delle suddette poliammidi con poliolefine, copolimeri olefinici, ionomeri od elastomeri legati chimicamente o graffati; o con polieteri come, ad esempio, polietilene glicole, polipropilene glicole o politetrametilene glicole; così come poliammidi o copoliammidi modificate con EPDM od ABS; e poliammidi condensate durante la lavorazione {"RIM polyamide System").
17. Poliuree, poliimmidi, poliammideimmidi, polieteriimmidi, poliesteriimmidi, poliidantoine, e polibenzoimidazoli .
18. Poliesteri derivati da acidi dicarbossilici e dioli e/o da acidi idrossicarbossilici o dai corrispondenti lattoni come, ad esempio, polietilene tereftalato, polibutilene tereftalato, poli-1,4-dimetilolcicloesano tereftalato, poliidrossibenzoati, così come copolieteri esteri a blocchi derivati da polieteri con gruppi idrossil-terminati; ed anche poliesteri modificati con policarbonati o MBS.
19. Policarbonati e poliesteri carbonati.
20. Polisolfoni, polieterisolfoni e polieterichetoni.
21. Polimeri reticolati derivati da aldeidi da una parte e da fenoli, urea e melammine dall'altra come, ad esempio, resine fenolo/formaldeide, resine urea/formaldeide e resine melammina/formaldeide. 22. Resine alchidiche essicate o non-essicate.
23. Resine a base di poliesteri insaturi derivate da copoliesteri di acidi dicarbossilici saturi ed insaturi con alcooli poliidrici e composti vinilici come agenti reticolanti, ed anche resine di cui sopra contenenti alogeni ed aventi una buona resistenza alla fiamma.
24. Resine acriliche reticolabili derivate da acrilati sostituiti come, ad esempio, epossi acrilati, uretani acrilati o poliesteri acrilati.
25. Resine alchidiche, resine a base di poliesteri o resine acrilate reticolate con resine melamminiche, resine a base di urea, resine a base di isocianati, resine a base di isocianurati, resine a base di poliisocianati o resine epossidiche.
26. Resine epossidiche reticolate derivate da composti glicidilici alifatici, cicloalifatici, eterociclici od aromatici quali, ad esempio, prodotti di eteri diglicidilici del bisfenolo A e del bisfenolo F, che vengono reticolati con gli agenti reticolanti usuali quali, ad esempio, anidridi od ammine, in presenza od in assenza di acceleranti.
27. Polimeri naturali come, ad esempio, cellulosa, gomma naturale, gelatina, e loro derivati chimicamente modificati per dare polimeri omologhi come, ad esempio, acetati, propionati e butirrati di cellulosa, oppure eteri di cellulosa come, ad esempio, metil-cellulosa; così come resine idrocarburiche ("rosins") e loro derivati.
28. Miscele dei polimeri sopra menzionati ("polyblends") come, ad esempio, PP/EPDM, poliammide/EPDM o ABS, PVC/EVA, PVC/ABS, PVC/MBS, PC/ABS, PBTP/ABS, PC/ASA, PC/PBT, PVC/CPE, PVC/acrilati, POM/termoplastici PUR, PC/termoplastici PUR, POM/acrilati, POM/MBS, PPO/HIPS, PPO/PA 6.6 e copolimeri, PA/HDPE, PA/PP, PA/PPO, PBT/PC/ABS, PBT/PET/PC .
29. Materiali organici naturali o sintetici che sono composti monomerici puri o miscele di detti composti quali, ad esempio, olii minerali, olii, grassi o cere animali o vegetali, olii, grassi o cere a base di esteri sintetici (ad esempio, ftalati, adipati, fosfati, trimellitati), come anche miscele di esteri sintetici con olii minerali in qualsivoglia rapporto in peso, in particolare quelli utilizzati nelle composizioni per filatura, così come le emulsioni acquose di detti materiali organici.
30. Emulsioni acquose di gomme naturali o sintetiche quali, ad esempio, lattice naturale o lattici a base di copolimeri stirene-butadiene carbossilati.
La presente invenzione riguarda, inoltre, composizioni polimeriche contenenti un polimero organico ed una quantità efficace di una delle suddette miscele di additivi.
Le miscele di additivi oggetto della presente invenzione è particolarmente utile nella stabilizzazione e colorazione dei polimeri organici scelti tra quelli sopra riportati.
Ulteriore oggetto della presente invenzione sono i manufatti ottenuti dalla lavorazione delle suddette composizioni polimeriche.
Le miscele di additivi oggetto della presente invenzione vengono aggiunte ai polimeri organici da stabilizzare in quantità compresa tra 0,01% e 5% sul peso totale del polimero da stabilizzare, preferibilmente 0,05% e 3%, ancora più preferibilmente tra 0,1% e 1%.
Le miscele di additivi oggetto della presente invenzione possono essere incorporate nel polimero organico da stabilizzare mediante tecniche note.
Le miscele di additivi oggetto della presente invenzione sono ottenute, come già detto sopra, per estrusione di miscele delle polveri dei diversi componenti, operando ad una temperatura tale per cui almeno una piccola parte del componente più bassofondente fonda.
Si ottiene così uno "spaghetto" solido che, previo opportuno raffreddamento, può essere granulato mediante taglio in testa all'estrusore o mediante successiva frammentazione.
La parte fusa del componente più bassofondente, risolidificando, funziona da collante per i rimanenti componenti: in questo modo si ottiene lo "spaghetto" solido che viene successivamente raffreddato e tagliato come sopra descritto.
Allo scopo di meglio comprendere la presente invenzione e per mettere in pratica la stessa, vengono di seguito riportati alcuni esempi illustrativi ma non limitativi della presente invenzione.
ESEMPIO 1
In un miscelatore planetario per polveri vengono caricati 22,98 g di ottadecìl 3-(3',5'-di-tbutil-4'-idrossifenil)propionato (noto con il nome commerciale di ANOX PP18 della Great Lakes Chemical Corporation), 61,30 g di tris(2,4-di-t-butilfenil)-fosfito (noto con il nome commerciale di ALKANOX 240 della Great Lakes Chemical Corporation), 114,94 g di stearato di calcio e 0,78 g di "Ultramarine Violet" della-,Whittaker, Clark & Daniels.
La suddetta miscela omogeneizzata, viene alimentata in un estrusore Brabender da laboratorio avente una coclea di lunghezza 475 mm, diametro 19 Iran, rapporto di compressione 1:4, che presenta la possibilità di riscaldamento differenziato in quattro diverse zone della coclea. La miscela viene estrusa attraverso un foro di 2,5 mm di diametro, con velocità di rotazione della coclea di 90 rpm e profilo di temperatura 150°C, 135°C, 110°C, 130°C.
Si ottiene uno "spaghetto" che, opportunamente raffreddato a temperatura ambiente, viene poi spezzettato fino ad ottenere dei granuli violetti, esenti da polveri, di dimensioni di circa 2 mm -2,5 mm.
Claims (17)
- RIVENDICAZIONI 1. Miscele di additivi in forma granulare comprendenti: uno o più stabilizzanti per polimeri organici; uno o più pigmenti organici od inorganici; e/o uno o più coloranti; ottenute tramite estrusione ad una temperatura in grado di permettere la fusione parziale o totale del componente più bassofondente.
- 2. Miscele di additivi in forma granulare secondo la rivendicazione 1, in cui gli stabilizzanti per polimeri organici sono scelti tra i seguenti gruppi: antiossidanti, stabilizzanti ai raggi ultravioletti ed alla luce, "metal deactivators", fosfiti e fosfoniti, idrossilammine, nitroni, tiosinergisti, agenti che sono in grado di distruggere i perossidi, stabilizzanti della poliammide, co-stabilizzanti basici, agenti nucleanti, cariche ed agenti rinforzanti, altri additivi, benzofuranoni ed indolinoni.
- 3. Miscele di additivi in forma granulare secondo la rivendicazione 2, in cui gli antiossidanti sono scelti tra monofenoli alchilati, alchiltiometilfenoli, ìdrochinoni ed idrochihoni alchilati, tocoferoli, eteri tiodifenilici idrossilati, alchilidene-bisfenoli, composti benzilici contenenti 0, N o S, maionati idrossibenzilati, composti idrossibenzilici aromatici, composti triazinici, benzilfosfonati, acilammìnofenoli, esteri dell'acido β-(3,5-di-t-butil-4-idrossifenil)propionico con alcooli monoidrici o poliidrici, esteri dell'acido β-(5-tbutil-4-idrossifenil)propionico con alcooli monoidrici o poliidrici, esteri dell'acido β-(3,5-dicicloesil-4-idrossifenil)propionico con alcooli monoidrici o poliidrici, esteri dell'acido 3,5-di-t-butil-4-idrossifenìl acetico con alcooli monoidrici o poliidrici, ammidi dell'acido β- (3,5-di-t-butil-4-idrossifenil)-propionico, acido ascorbico, antiossidanti amminici.
- 4. Miscele di additivi in forma granulare secondo la rivendicazione 2, in cui gli stabilizzanti ai raggi ultravioletti ed alla luce sono scelti tra derivati di 2-(2'-idrossifenil)benzotriazoli, derivati di 2-idrossibenzofenoni, esteri di acidi benzoici opzionalmente sostituiti, acrilati, composti del nichel, ammine stericamente impedite e loro N-alcossi derivati, ossammidi, 2-(2-idrossifenil)-1,3,5-triazine.
- 5. Miscele di additivi in forma granulare secondo la rivendicazione 2, in cui gli altri additivi sono scelti tra plastificanti, lubrificanti, emulsionanti, additivi reologici, catalizzatori, agenti di scivolamento, brillantanti ottici, agenti antifiammma (bromurati, clorurati, fosforati e misti fosforo/alogeni), agenti antistatici, agenti di espansione.
- 6. Miscele di additivi in forma granulare secondo la rivendicazione 1, in cui i pigmenti organici sono scelti tra i pigmenti organici di tipo azo, azometine, antrachinoni, perileni, diossazine, rossi tioindigo, chinacridoni, ftalocianine, blu indantrone, carbazoli, isoindolinoni, isoindoloni, benzimilazolinoni, o loro sali metallici.
- 7. Miscele di additivi in forma granulare secondo la rivendicazione 1, in cui i pigmenti inorganici sono scelti tra gli ossidi metallici quali, biossido di titanio, ossido di ferro di vari colori, ossido di zinco, nero fumo, pigmenti rinforzanti ("filler pigments") quali, talco, argilla cinese ("china clay"), bariti, carbonati, silicati, solfosilicati.
- 8. Miscele di additivi in forma granulare secondo la rivendicazione 1, in cui i coloranti, termine con il quale si intende qui indicare anche gli agenti sbiancanti, sono scelti tra i coloranti solubili, insolubili, o poco solubili in acqua.
- 9. Miscele di additivi secondo la rivendicazione 8, in cui i coloranti solubili in acqua sono scelti tra i coloranti acidi quali, coloranti nitro, amminochetoni, chetoni-immine, metine, nitrodifenilammine, chinoline, amminonaftochinoni, cumarine, antrochinoni, coloranti azo quali coloranti monoazo o diazo.
- 10. Miscele di additivi in forma granulare secondo la rivendicazione 9, in cui i coloranti solubili in acqua contengono uno o più gruppi anionicì solubili in acqua quali, un gruppo acido carbossilico oppure un gruppo acido solfonico e sono, generalmente, in forma di sali quali, sali di litio, di sodio, di potassio o di ammonio.
- 11. Miscele di additivi in forma granulare secondo la rivendicazione 8, in cui i coloranti solubili in acqua sono sali quali, solfati, metasolfati, oppure cloruri di onio od alogenuri metallici quali, tetraclorozincati di coloranti azo (monoazo, diazo o poliazo); antrachinoni, ftalocianine, diarilmetano e triarilmetano; rietina, polimetina ed azometina; tiazoli, chetoni-immine, acridine, cianine, coloranti nitro, chinoline, benzimidazoli, xanteni, azine, ossazine, tiazine e triazine che hanno almeno un azoto quaternario nella molecola.
- 12. Miscele di additivi in forma granulare secondo la rivendicazione 1, in cui i coloranti insolubili o poco solubili in acqua sono scelti tra i coloranti contenenti zolfo, coloranti dispersi ("disperse dyes") oppure coloranti al tino ("vat dyes").
- 13. Miscele di additivi in forma granulare secondo la rivendicazione 12, in cui i coloranti dispersi sono scelti tra coloranti nitro, amminochetoni, chetoni-immine, metine, polimetine, difenilammine, chinoline, benzimidazoli, xantene, ossazine, amminonaftochinoni, cumarine che non contengono gruppi acido carbossilici oppure acido solfonici e sono, in particolare, antrachinoni e coloranti azo quali monoazo e diazo.
- 14 . Miscele di additivi in forma granulare secondo la rivendicazione 12, in cui i coloranti al tino sono quelli che vengono applicati in forma solida dispersa ai tessuti e, dopo lo sviluppo, sono ancora presenti in una forma insolubile in acqua.
- 15. Uso delle miscele di additivi di cui ad una qualsiasi delle rivendicazioni precedenti nella stabilizzazione e colorazione dei polimeri organici.
- 16. Composizioni polimeriche contenenti un polimero organico ed una quantità efficace di una delle miscele di additivi di cui ad una qualsiasi delle rivendicazioni precedenti.
- 17. Manufatti ottenuti dalla lavorazione delle composizioni polimeriche di cui alla rivendicazione 16.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT1999MI002205A IT1315251B1 (it) | 1999-10-21 | 1999-10-21 | Miscele di additivi per polimeri organici in forma granulare |
| DE60019063T DE60019063T2 (de) | 1999-10-21 | 2000-10-19 | Mischungen von Additiven für organische Polymere in granulärer Form |
| EP00203647A EP1097965B1 (en) | 1999-10-21 | 2000-10-19 | Mixtures of additives for organic polymers in granular form |
| KR10-2000-0061755A KR100435630B1 (ko) | 1999-10-21 | 2000-10-20 | 과립형 유기 폴리머 첨가제 혼합물 |
| US12/016,780 US8303851B2 (en) | 1999-10-21 | 2008-01-18 | Mixtures of additives for organic polymers in granular form |
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| IT1999MI002205A IT1315251B1 (it) | 1999-10-21 | 1999-10-21 | Miscele di additivi per polimeri organici in forma granulare |
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| ITMI992205A1 true ITMI992205A1 (it) | 2001-04-21 |
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| KR100853088B1 (ko) * | 2006-03-14 | 2008-08-19 | 주식회사 엘지화학 | 광색성 염료의 나노 캡슐화 방법 |
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| EP2199331A1 (en) * | 2008-12-22 | 2010-06-23 | Borealis AG | Polyolefin composition for water pipes with improved chlorine resistance |
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| CN112812203B (zh) * | 2020-12-22 | 2022-06-17 | 西北工业大学 | 一种引发剂及聚合物/金属氧化物复合材料的制备方法 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0031857A1 (en) * | 1979-12-28 | 1981-07-15 | Wavin B.V. | A stabilised colouring composition for thermoplastics, a method of manufacturing plastics and plastics mixed with the colouring composition |
| DE3039642A1 (de) * | 1980-10-21 | 1982-05-27 | Hoechst Ag, 6000 Frankfurt | Verfahren zur herstellung von figmentgranulaten und ihre verwendung |
| JPS649272A (en) * | 1987-07-01 | 1989-01-12 | Nippon Kayaku Kk | Non-flying granular dye |
| JPH0633439B2 (ja) * | 1988-07-28 | 1994-05-02 | 花王株式会社 | 高密度粒状濃縮洗剤組成物 |
| JP3168618B2 (ja) * | 1990-10-09 | 2001-05-21 | 住友化学工業株式会社 | 反応染料の顆粒組成物およびその製造方法 |
| DE4113318A1 (de) * | 1991-04-24 | 1992-10-29 | Basf Ag | Verfahren zur herstellung von leicht dispergierbaren pigmentgranulaten |
| IT1247941B (it) * | 1991-05-17 | 1995-01-05 | Enichem Sintesi | Processo per l'ottenimento di forme granulari di additivi per polimeri organici |
| IT1258271B (it) * | 1992-04-06 | 1996-02-22 | Enichem Sintesi | Processo per l'ottenimento di forme granulari di addittivi per polimeri organici. |
| US5455288A (en) * | 1994-01-26 | 1995-10-03 | Needham; Donald G. | Dustless color concentrate granules |
| EP0719824B1 (en) * | 1994-12-28 | 2001-06-27 | Ciba SC Holding AG | Low-dust granules of plastic additives |
| DE19502968A1 (de) * | 1995-01-31 | 1996-08-01 | Basf Ag | Leukoküpenfarbstoff-Präparationen in Granulatform |
| AU7043298A (en) * | 1997-04-15 | 1998-11-11 | Ciba Specialty Chemicals Holding Inc. | Preparation of low-dust stabilisers |
| DE19755561A1 (de) * | 1997-12-13 | 1999-06-17 | Basf Ag | Verfahren zur Herstellung von staubarmen Stabilisatorsystemen zur thermischen Stabilisierung von PVC |
| US6126862A (en) * | 1998-12-02 | 2000-10-03 | Ablemarle Corporation | Low dust balanced hardness antioxidant agglomerates and process for the production of same |
| US6800228B1 (en) * | 1998-09-22 | 2004-10-05 | Albemarle Corporation | Sterically hindered phenol antioxidant granules having balanced hardness |
| US6056898A (en) * | 1998-09-22 | 2000-05-02 | Albemarle Corporation | Low dust balanced hardness antioxidant pellets and process for the production of same |
| DE10122616A1 (de) * | 2001-05-10 | 2002-11-14 | Clariant Gmbh | Verfahren zur Herstellung von Pigmentgranulaten |
-
1999
- 1999-10-21 IT IT1999MI002205A patent/IT1315251B1/it active
-
2000
- 2000-10-19 EP EP00203647A patent/EP1097965B1/en not_active Expired - Lifetime
- 2000-10-19 DE DE60019063T patent/DE60019063T2/de not_active Expired - Lifetime
- 2000-10-20 KR KR10-2000-0061755A patent/KR100435630B1/ko not_active Expired - Fee Related
-
2008
- 2008-01-18 US US12/016,780 patent/US8303851B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100435630B1 (ko) | 2004-06-12 |
| US8303851B2 (en) | 2012-11-06 |
| US20080194766A1 (en) | 2008-08-14 |
| DE60019063D1 (de) | 2005-05-04 |
| EP1097965B1 (en) | 2005-03-30 |
| KR20010074490A (ko) | 2001-08-04 |
| EP1097965A1 (en) | 2001-05-09 |
| ITMI992205A0 (it) | 1999-10-21 |
| IT1315251B1 (it) | 2003-02-03 |
| DE60019063T2 (de) | 2006-02-02 |
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