JP7118075B2 - 析出によりポリアミド粉末を製造する方法 - Google Patents
析出によりポリアミド粉末を製造する方法 Download PDFInfo
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- JP7118075B2 JP7118075B2 JP2019541729A JP2019541729A JP7118075B2 JP 7118075 B2 JP7118075 B2 JP 7118075B2 JP 2019541729 A JP2019541729 A JP 2019541729A JP 2019541729 A JP2019541729 A JP 2019541729A JP 7118075 B2 JP7118075 B2 JP 7118075B2
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- polyamide
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- 239000000843 powder Substances 0.000 title claims description 143
- 239000004952 Polyamide Substances 0.000 title claims description 118
- 229920002647 polyamide Polymers 0.000 title claims description 118
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 238000001556 precipitation Methods 0.000 title 1
- 239000002904 solvent Substances 0.000 claims description 137
- 239000000203 mixture Substances 0.000 claims description 130
- 229920006114 semi-crystalline semi-aromatic polyamide Polymers 0.000 claims description 127
- 239000000654 additive Substances 0.000 claims description 100
- 230000000996 additive effect Effects 0.000 claims description 94
- 238000000034 method Methods 0.000 claims description 61
- 239000000725 suspension Substances 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 38
- 238000005245 sintering Methods 0.000 claims description 29
- 229920002292 Nylon 6 Polymers 0.000 claims description 27
- 239000002245 particle Substances 0.000 claims description 27
- 238000001816 cooling Methods 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 238000000110 selective laser sintering Methods 0.000 claims description 20
- 150000003951 lactams Chemical class 0.000 claims description 19
- 239000003381 stabilizer Substances 0.000 claims description 15
- 239000006229 carbon black Substances 0.000 claims description 11
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 9
- -1 PA69 Polymers 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229920000572 Nylon 6/12 Polymers 0.000 claims description 8
- 238000013329 compounding Methods 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000001023 inorganic pigment Substances 0.000 claims description 8
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 7
- 229920000577 Nylon 6/66 Polymers 0.000 claims description 6
- 229920000393 Nylon 6/6T Polymers 0.000 claims description 6
- 150000001412 amines Chemical class 0.000 claims description 5
- 229920006374 copolyamide PA6I/6T Polymers 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- 150000004706 metal oxides Chemical class 0.000 claims description 5
- 150000002989 phenols Chemical class 0.000 claims description 5
- 229920006111 poly(hexamethylene terephthalamide) Polymers 0.000 claims description 5
- 229920006528 PA66/6 Polymers 0.000 claims description 4
- 229920006121 Polyxylylene adipamide Polymers 0.000 claims description 4
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 4
- 238000002844 melting Methods 0.000 description 42
- 230000008018 melting Effects 0.000 description 42
- 238000002425 crystallisation Methods 0.000 description 32
- 230000008025 crystallization Effects 0.000 description 32
- 238000000113 differential scanning calorimetry Methods 0.000 description 27
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 25
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 19
- 239000012071 phase Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 16
- 239000000126 substance Substances 0.000 description 14
- 230000009477 glass transition Effects 0.000 description 13
- 235000019241 carbon black Nutrition 0.000 description 10
- 238000009472 formulation Methods 0.000 description 10
- 125000004432 carbon atom Chemical group C* 0.000 description 9
- 239000007787 solid Substances 0.000 description 9
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 8
- 229910013763 M(PP) Inorganic materials 0.000 description 7
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 description 6
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 6
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 6
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 description 5
- 238000000149 argon plasma sintering Methods 0.000 description 5
- 239000002612 dispersion medium Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 238000005453 pelletization Methods 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000001361 adipic acid Substances 0.000 description 4
- 235000011037 adipic acid Nutrition 0.000 description 4
- XUWHAWMETYGRKB-UHFFFAOYSA-N delta-valerolactam Natural products O=C1CCCCN1 XUWHAWMETYGRKB-UHFFFAOYSA-N 0.000 description 4
- 150000004985 diamines Chemical class 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 4
- RXFCIXRFAJRBSG-UHFFFAOYSA-N 3,2,3-tetramine Chemical compound NCCCNCCNCCCN RXFCIXRFAJRBSG-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- YDLSUFFXJYEVHW-UHFFFAOYSA-N azonan-2-one Chemical compound O=C1CCCCCCCN1 YDLSUFFXJYEVHW-UHFFFAOYSA-N 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- UKJARPDLRWBRAX-UHFFFAOYSA-N n,n'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine Chemical compound C1C(C)(C)NC(C)(C)CC1NCCCCCCNC1CC(C)(C)NC(C)(C)C1 UKJARPDLRWBRAX-UHFFFAOYSA-N 0.000 description 3
- 239000008188 pellet Substances 0.000 description 3
- 150000003955 ε-lactams Chemical class 0.000 description 3
- JJYUJOJVFRXHAE-UHFFFAOYSA-N (3,5,5-trimethyl-6-oxomorpholin-3-yl)methyl 2-ethylhexanoate Chemical compound CCCCC(CC)C(=O)OCC1(C)COC(=O)C(C)(C)N1 JJYUJOJVFRXHAE-UHFFFAOYSA-N 0.000 description 2
- BWJKLDGAAPQXGO-UHFFFAOYSA-N 2,2,6,6-tetramethyl-4-octadecoxypiperidine Chemical compound CCCCCCCCCCCCCCCCCCOC1CC(C)(C)NC(C)(C)C1 BWJKLDGAAPQXGO-UHFFFAOYSA-N 0.000 description 2
- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 description 2
- SAEZGDDJKSBNPT-UHFFFAOYSA-N 3-dodecyl-1-(1,2,2,6,6-pentamethylpiperidin-4-yl)pyrrolidine-2,5-dione Chemical compound O=C1C(CCCCCCCCCCCC)CC(=O)N1C1CC(C)(C)N(C)C(C)(C)C1 SAEZGDDJKSBNPT-UHFFFAOYSA-N 0.000 description 2
- FBIXXCXCZOZFCO-UHFFFAOYSA-N 3-dodecyl-1-(2,2,6,6-tetramethylpiperidin-4-yl)pyrrolidine-2,5-dione Chemical compound O=C1C(CCCCCCCCCCCC)CC(=O)N1C1CC(C)(C)NC(C)(C)C1 FBIXXCXCZOZFCO-UHFFFAOYSA-N 0.000 description 2
- JVGZXCCKUMXEOU-UHFFFAOYSA-N 7-aminoazepan-2-one Chemical compound NC1CCCCC(=O)N1 JVGZXCCKUMXEOU-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- VMQMZMRVKUZKQL-UHFFFAOYSA-N Cu+ Chemical compound [Cu+] VMQMZMRVKUZKQL-UHFFFAOYSA-N 0.000 description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 229920003231 aliphatic polyamide Polymers 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000001879 copper Chemical class 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- 229920006039 crystalline polyamide Polymers 0.000 description 2
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 description 2
- 150000003950 cyclic amides Chemical class 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- 238000001938 differential scanning calorimetry curve Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- TVIDDXQYHWJXFK-UHFFFAOYSA-N dodecanedioic acid Chemical compound OC(=O)CCCCCCCCCCC(O)=O TVIDDXQYHWJXFK-UHFFFAOYSA-N 0.000 description 2
- 238000013213 extrapolation Methods 0.000 description 2
- 230000009969 flowable effect Effects 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 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 2
- 150000002825 nitriles Chemical class 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 239000013557 residual solvent Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920006012 semi-aromatic polyamide Polymers 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- 238000004383 yellowing Methods 0.000 description 2
- VCMZIKKVYXGKCI-UHFFFAOYSA-N 1,1-bis(2,4-ditert-butyl-6-methylphenyl)-2,2-bis(hydroxymethyl)propane-1,3-diol dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.C(C)(C)(C)C1=C(C(=CC(=C1)C(C)(C)C)C)C(O)(C(CO)(CO)CO)C1=C(C=C(C=C1C)C(C)(C)C)C(C)(C)C VCMZIKKVYXGKCI-UHFFFAOYSA-N 0.000 description 1
- KKOFPMFUCMGHDX-UHFFFAOYSA-N 1-[[3,5-bis[cyclohexyl-(3,3,4,5,5-pentamethyl-2-oxopiperazin-1-yl)amino]-1,3,5-triazinan-1-yl]-cyclohexylamino]-3,3,4,5,5-pentamethylpiperazin-2-one Chemical compound O=C1C(C)(C)N(C)C(C)(C)CN1N(N1CN(CN(C1)N(C1CCCCC1)N1C(C(C)(C)N(C)C(C)(C)C1)=O)N(C1CCCCC1)N1C(C(C)(C)N(C)C(C)(C)C1)=O)C1CCCCC1 KKOFPMFUCMGHDX-UHFFFAOYSA-N 0.000 description 1
- MESWESDXDWUFHK-UHFFFAOYSA-N 1-[[3,5-bis[cyclohexyl-(3,3,5,5-tetramethyl-2-oxopiperazin-1-yl)amino]-1,3,5-triazinan-1-yl]-cyclohexylamino]-3,3,5,5-tetramethylpiperazin-2-one Chemical compound O=C1C(C)(C)NC(C)(C)CN1N(N1CN(CN(C1)N(C1CCCCC1)N1C(C(C)(C)NC(C)(C)C1)=O)N(C1CCCCC1)N1C(C(C)(C)NC(C)(C)C1)=O)C1CCCCC1 MESWESDXDWUFHK-UHFFFAOYSA-N 0.000 description 1
- OMRXVBREYFZQHU-UHFFFAOYSA-N 2,4-dichloro-1,3,5-triazine Chemical compound ClC1=NC=NC(Cl)=N1 OMRXVBREYFZQHU-UHFFFAOYSA-N 0.000 description 1
- CFTUSMLZOZABQV-UHFFFAOYSA-N 2-[[4,6-bis[butyl-(1-cyclohexyloxy-2,2,6,6-tetramethylpiperidin-4-yl)amino]-1,3,5-triazin-2-yl]amino]ethanol Chemical compound N=1C(NCCO)=NC(N(CCCC)C2CC(C)(C)N(OC3CCCCC3)C(C)(C)C2)=NC=1N(CCCC)C(CC1(C)C)CC(C)(C)N1OC1CCCCC1 CFTUSMLZOZABQV-UHFFFAOYSA-N 0.000 description 1
- FHKPTEOFUHYQFY-UHFFFAOYSA-N 2-aminohexanenitrile Chemical group CCCCC(N)C#N FHKPTEOFUHYQFY-UHFFFAOYSA-N 0.000 description 1
- QVJPMNGFKIHZML-UHFFFAOYSA-N 2-butyl-2-[(3,5-ditert-butyl-4-hydroxyphenyl)-bis(1,2,2,6,6-pentamethylpiperidin-4-yl)methyl]propanedioic acid Chemical compound C1C(C)(C)N(C)C(C)(C)CC1C(C=1C=C(C(O)=C(C=1)C(C)(C)C)C(C)(C)C)(C(C(O)=O)(C(O)=O)CCCC)C1CC(C)(C)N(C)C(C)(C)C1 QVJPMNGFKIHZML-UHFFFAOYSA-N 0.000 description 1
- HCUZVMHXDRSBKX-UHFFFAOYSA-N 2-decylpropanedioic acid Chemical compound CCCCCCCCCCC(C(O)=O)C(O)=O HCUZVMHXDRSBKX-UHFFFAOYSA-N 0.000 description 1
- JZUHIOJYCPIVLQ-UHFFFAOYSA-N 2-methylpentane-1,5-diamine Chemical compound NCC(C)CCCN JZUHIOJYCPIVLQ-UHFFFAOYSA-N 0.000 description 1
- GUCMKIKYKIHUTM-UHFFFAOYSA-N 3,3,5,5-tetramethyl-1-[2-(3,3,5,5-tetramethyl-2-oxopiperazin-1-yl)ethyl]piperazin-2-one Chemical compound O=C1C(C)(C)NC(C)(C)CN1CCN1C(=O)C(C)(C)NC(C)(C)C1 GUCMKIKYKIHUTM-UHFFFAOYSA-N 0.000 description 1
- AIBRSVLEQRWAEG-UHFFFAOYSA-N 3,9-bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP1OCC2(COP(OC=3C(=CC(=CC=3)C(C)(C)C)C(C)(C)C)OC2)CO1 AIBRSVLEQRWAEG-UHFFFAOYSA-N 0.000 description 1
- SSADPHQCUURWSW-UHFFFAOYSA-N 3,9-bis(2,6-ditert-butyl-4-methylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound CC(C)(C)C1=CC(C)=CC(C(C)(C)C)=C1OP1OCC2(COP(OC=3C(=CC(C)=CC=3C(C)(C)C)C(C)(C)C)OC2)CO1 SSADPHQCUURWSW-UHFFFAOYSA-N 0.000 description 1
- YLUZWKKWWSCRSR-UHFFFAOYSA-N 3,9-bis(8-methylnonoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCC(C)C)OCC21COP(OCCCCCCCC(C)C)OC2 YLUZWKKWWSCRSR-UHFFFAOYSA-N 0.000 description 1
- PZRWFKGUFWPFID-UHFFFAOYSA-N 3,9-dioctadecoxy-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane Chemical compound C1OP(OCCCCCCCCCCCCCCCCCC)OCC21COP(OCCCCCCCCCCCCCCCCCC)OC2 PZRWFKGUFWPFID-UHFFFAOYSA-N 0.000 description 1
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- NPYDPROENPLGBR-UHFFFAOYSA-N 4,6-dichloro-n-cyclohexyl-1,3,5-triazin-2-amine Chemical compound ClC1=NC(Cl)=NC(NC2CCCCC2)=N1 NPYDPROENPLGBR-UHFFFAOYSA-N 0.000 description 1
- UQAMDAUJTXFNAD-UHFFFAOYSA-N 4-(4,6-dichloro-1,3,5-triazin-2-yl)morpholine Chemical compound ClC1=NC(Cl)=NC(N2CCOCC2)=N1 UQAMDAUJTXFNAD-UHFFFAOYSA-N 0.000 description 1
- DZIHTWJGPDVSGE-UHFFFAOYSA-N 4-[(4-aminocyclohexyl)methyl]cyclohexan-1-amine Chemical compound C1CC(N)CCC1CC1CCC(N)CC1 DZIHTWJGPDVSGE-UHFFFAOYSA-N 0.000 description 1
- BDBZTOMUANOKRT-UHFFFAOYSA-N 4-[2-(4-aminocyclohexyl)propan-2-yl]cyclohexan-1-amine Chemical compound C1CC(N)CCC1C(C)(C)C1CCC(N)CC1 BDBZTOMUANOKRT-UHFFFAOYSA-N 0.000 description 1
- ZYEDGEXYGKWJPB-UHFFFAOYSA-N 4-[2-(4-aminophenyl)propan-2-yl]aniline Chemical compound C=1C=C(N)C=CC=1C(C)(C)C1=CC=C(N)C=C1 ZYEDGEXYGKWJPB-UHFFFAOYSA-N 0.000 description 1
- URKYFRSLKUNMFG-UHFFFAOYSA-N 5-aminopyrrolidin-2-one Chemical compound NC1CCC(=O)N1 URKYFRSLKUNMFG-UHFFFAOYSA-N 0.000 description 1
- WYPXLRODNLXDQJ-UHFFFAOYSA-N 6-aminopiperidin-2-one Chemical compound NC1CCCC(=O)N1 WYPXLRODNLXDQJ-UHFFFAOYSA-N 0.000 description 1
- IPRLZACALWPEGS-UHFFFAOYSA-N 7,7,9,9-tetramethyl-2-undecyl-1-oxa-3,8-diazaspiro[4.5]decan-4-one Chemical compound O1C(CCCCCCCCCCC)NC(=O)C11CC(C)(C)NC(C)(C)C1 IPRLZACALWPEGS-UHFFFAOYSA-N 0.000 description 1
- VPOKLVDHXARWQB-UHFFFAOYSA-N 7,7,9,9-tetramethyl-3-octyl-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound O=C1N(CCCCCCCC)C(=O)NC11CC(C)(C)NC(C)(C)C1 VPOKLVDHXARWQB-UHFFFAOYSA-N 0.000 description 1
- JAWSTIJAWZBKOU-UHFFFAOYSA-N 7-methylazepan-2-one Chemical compound CC1CCCCC(=O)N1 JAWSTIJAWZBKOU-UHFFFAOYSA-N 0.000 description 1
- RAZWNFJQEZAVOT-UHFFFAOYSA-N 8-acetyl-3-dodecyl-7,7,9,9-tetramethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione Chemical compound O=C1N(CCCCCCCCCCCC)C(=O)NC11CC(C)(C)N(C(C)=O)C(C)(C)C1 RAZWNFJQEZAVOT-UHFFFAOYSA-N 0.000 description 1
- YIHGPNRYQNMZQC-UHFFFAOYSA-N 8-aminoazocan-2-one Chemical compound NC1CCCCCC(=O)N1 YIHGPNRYQNMZQC-UHFFFAOYSA-N 0.000 description 1
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- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- 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
- C08J3/203—Solid polymers with solid and/or liquid additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
-
- 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
- C08J2377/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2377/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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- Processes Of Treating Macromolecular Substances (AREA)
Description
a)少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(A)を押出機内で配合して、少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(A)を含む配合混合物(cM)を得る工程、
b)工程a)で得られた配合混合物(cM)を押出機から押出して、少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(A)を含む押出混合物(eM)を得る工程、
c)工程b)で得られた押出混合物(eM)を溶媒(SV)中に導入して、押出混合物(eM)及び溶媒(SV)を含む第一の懸濁液(S1)を得る工程、
d)工程c)で得られた第一の懸濁液(S1)を第一の温度(T1)に加熱し、押出混合物(eM)に存在する少なくとも1種の半結晶性ポリアミド(P)を溶媒(SV)中に溶解させて、溶媒(SV)中に溶解した少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(A)を含む混合物(G)を得る工程、
e)工程d)で得られた混合物(G)を第二の温度(T2)に冷却し、少なくとも1種の半結晶性ポリアミド(P)を結晶化させて、溶媒(SV)中に懸濁したポリアミド粉末(PP)を含む第二の懸濁液(S2)を得る工程、
f)工程e)で得られた第二の懸濁液(S2)からポリアミド粉末(PP)を分離する工程、
を含む方法によって解決される。
本発明による方法において製造されたポリアミド粉末(PP)は、少なくとも1種の半結晶性ポリアミド(P)を含む。
PA4 ピロリドン
PA6 ε-カプロラクタム
PA7 エナントラクタム
PA8 カプリロラクタム
AA/BBポリマー:
PA46 テトラメチレンジアミン、アジピン酸
PA66 ヘキサメチレンジアミン、アジピン酸
PA69 ヘキサメチレンジアミン、アゼライン酸
PA610 ヘキサメチレンジアミン、セバシン酸
PA612 ヘキサメチレンジアミン、デカンジカルボン酸
PA613 ヘキサメチレンジアミン、ウンデカンジカルボン酸
PA6T ヘキサメチレンジアミン、テレフタル酸
PA MXD6 m-キシリレンジアミン、アジピン酸
PA6/6l (PA6参照)ヘキサメチレンジアミン、イソフタル酸
PA6/6T (PA6及びPA6T参照)
PA6/66 (PA6及びPA66参照)
PA6/12 (PA6参照)、ラウリロラクタム
PA66/6/610 (PA66、PA6及びPA610参照)
PA6I/6T/PACM PA6I/6T及びジアミノジシクロヘキシルメタンとして
PA6/6I6T (PA6及びPA6T参照)ヘキサメチレンジアミン、イソフタル酸
少なくとも1種の半結晶性ポリアミド(P)は、好ましくは、PA4、PA6、PA7、PA8、PA9、PA11、PA12、PA46、PA66、PA69、PA610、PA612、PA613、PA1212、PA1313、PA6T、PA MXD6、PA6/6T、PA6/6I、PA6/6I6T、PA6.36、PA6/66、PA6/12、PA66/6/610、PA PACM12、PA6I/6T/PACM及び上述のポリアミドの2種以上のコポリアミドからなる群から選択される。
本発明によれば、少なくとも1種の添加剤(A)は、無機顔料及び安定剤からなる群から選択される。
工程a)において、少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(a)が押出機内で配合されて、配合混合物(cM)が得られる。配合混合物(cM)は、少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(A)を含む。
本発明によれば、工程b)において、工程a)で得られた配合混合物(cM)が押出機から押出され、押出混合物(eM)が得られる。押出混合物(eM)は、少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(A)を含む。
工程c)において、工程b)で得られた押出混合物(eM)を溶媒(SV)中に導入し、第一の懸濁液(S1)を得る。第一の懸濁液(S1)は、押出混合物(eM)及び溶媒(SV)を含む。
工程d)において、工程c)で得られた第一の懸濁液(S1)が第一の温度(T1)まで加熱される。この過程で、押出混合物(eM)中に存在する少なくとも1種の半結晶性ポリアミド(P)が溶媒(SV)中に溶解して、混合物(G)が得られる。混合物(G)は、溶媒(SV)中に溶解した少なくとも1種の半結晶性ポリアミド(P)及び少なくとも1種の添加剤(A)を含む。
工程e)では、工程d)で得られた混合物(G)は、第二の温度(T2)まで冷却される。この過程で、少なくとも1種の半結晶性ポリアミド(P)が結晶化して、溶媒(SV)中に懸濁したポリアミド粉末(PP)を含む第二の懸濁液(S2)が得られる。
工程f)において、ポリアミド粉末(PP)は、工程e)で得られた第二の懸濁液(S2)から分離される。
本発明の方法により得ることができるポリアミド粉末(PP)は、特に低い微粉画分を有し、この微粉画分は、<20μmの寸法を有する粒子を意味すると理解されるべきである。
10~30μmの範囲のD10、
25~70μmの範囲のD50及び
50~150μmの範囲のD90を有する。
20~30μmの範囲のD10、
40~60μmの範囲のD50及び
80~110μmの範囲のD90を有する。
10~30μmの範囲のD10、
25~70μmの範囲のD50及び
50~150μmの範囲のD90を有する方法を提供する。
選択的レーザー焼結というプロセスは、それ自体当業者に既知であり、例えばUS6136948及びWO96/06881に記載されている。
W= TM 開始 - TC 開始
本発明において、「焼結窓(W)」「焼結窓の寸法(W)」及び「融解の開始温度(TM 開始)と結晶化の開始温度(TC 開始)との間の差」という用語は、同じ意味を有し、同義語として使用する。
押出機中で、ポリアミド6及びIrganox1098(N,N’-1,6-ヘキサンジイルビス[3,5-ビス(1,1-ジメチルエチル)-4-ヒドロキシ)を配合し、押出混合物(eM1)の総質量に対して0.4質量%のIrganox1098含有量を有するポリアミド6を含む押出混合物(eM1)を得た。
押出混合物(eM1)及び(eM2)を、その後続いて溶媒(SV)中に溶解し、次いでそこから沈殿させて、ポリアミド粉末(PP)を得た。本発明の実施例E1及びE2において、第一の押出混合物(eM1)及び第二の押出混合物(eM2)を、それぞれ水中のカプロラクタムの混合物(カプロラクタム含有量42質量%)に溶解し、その後続いてそこから沈殿させた。比較例V1及びV2において、押出混合物(eM1)及び(eM2)をそれぞれエタノールに溶解した後、その後続いてそこから沈殿させた。結果を次の表1に示す。
Claims (13)
- 少なくとも1種の半結晶性ポリアミド(P)、及び無機顔料及び安定剤からなる群から選択される少なくとも1種の添加剤(A)を含むポリアミド粉末(PP)を製造する方法であって、以下の工程、
a)前記少なくとも1種の半結晶性ポリアミド(P)及び前記少なくとも1種の添加剤(A)を押出機内で配合して、前記少なくとも1種の半結晶性ポリアミド(P)及び前記少なくとも1種の添加剤(A)を含む配合混合物(cM)を得る工程であって、工程a)は、240℃~300℃の範囲の温度で行われ、
b)工程a)で得られた前記配合混合物(cM)を前記押出機から押出して、前記少なくとも1種の半結晶性ポリアミド(P)及び前記少なくとも1種の添加剤(A)を含む押出混合物(eM)を得る工程、
c)工程b)で得られた前記押出混合物(eM)を溶媒(SV)中に導入して、前記押出混合物(eM)及び前記溶媒(SV)を含む第一の懸濁液(S1)を得、前記溶媒(SV)がラクタム及び水を含む工程であって、溶媒(SV)は、100~500W/m 3 の範囲のスターラーの比出力量で撹拌され、且つ、溶媒(SV)は、前記混合物の総質量に対して、30質量%~60質量%の範囲のラクタム及び40質量%~70質量%の範囲の水を含み、
d)工程c)で得られた前記第一の懸濁液(S1)を第一の温度(T1)に加熱し、前記押出混合物(eM)に存在する前記少なくとも1種の半結晶性ポリアミド(P)を前記溶媒(SV)中に溶解させて、前記溶媒(SV)中に溶解した前記少なくとも1種の半結晶性ポリアミド(P)及び前記少なくとも1種の添加剤(A)を含む混合物(G)を得る工程、
e)工程d)で得られた前記混合物(G)を第二の温度(T2)に冷却し、前記少なくとも1種の半結晶性ポリアミド(P)を結晶化させて、前記溶媒(SV)中に懸濁した前記ポリアミド粉末(PP)を含む第二の懸濁液(S2)を得る工程、
f)工程e)で得られた前記第二の懸濁液(S2)から前記ポリアミド粉末(PP)を分離する工程、
を含む方法。 - 工程d)において、工程c)で得られた前記第一の懸濁液(S1)を140℃~200℃の範囲の第一の温度(T1)に加熱する、請求項1に記載の方法。
- 工程e)において、工程d)で得られた前記混合物(G)を100℃~140℃の範囲の第二の温度(T2)に冷却する、請求項1又は2に記載の方法。
- 工程c)で得られた前記第一の懸濁液(S1)が、前記第一の懸濁液(S1)の総質量に対して、1質量%~25質量%の範囲の前記押出混合物(eM)、及び75質量%~99質量%の範囲の前記溶媒(SV)を含む、請求項1から3のいずれか一項に記載の方法。
- 工程b)で得られた前記押出混合物(eM)が、前記押出混合物(eM)の総質量に対して、0.05質量%~5質量%の範囲の前記少なくとも1種の添加剤(A)を含む、請求項1から4のいずれか一項に記載の方法。
- 工程b)で得られた前記押出混合物(eM)が、前記押出混合物(eM)の全質量に対して、>5質量%~50質量%の範囲の前記少なくとも1種の添加剤(A)を含む、請求項1から4のいずれか一項に記載の方法。
- 前記少なくとも1種のポリアミド(P)が、PA4、PA6、PA7、PA8、PA9、PA11、PA12、PA46、PA66、PA69、PA610、PA612、PA613、PA1212、PA1313、PA6T、PA MXD6、PA6/6T、PA6/6I、PA6/6I6T、PA6.36、PA6/66、PA6/12、PA66/6/610、PA PACM12、PA6I/6T/PACM、及び上述のポリアミドの2種以上のコポリアミドからなる群から選択される、請求項1から6のいずれか一項に記載の方法。
- 前記安定剤が、立体障害フェノール、立体障害アミン、ホスファイト及び銅安定剤からなる群から選択される、請求項1から7のいずれか一項に記載の方法。
- 少なくとも前記混合物(G)をスターラーで工程e)の間に撹拌し、前記混合物(G)へのスターラーの比出力量が100~500W/m3の範囲である、請求項1から8のいずれか一項に記載の方法。
- 工程b)の間の押出しにおいて、前記配合混合物(cM)を0.5~6mmの範囲の粒度にペレット化する、請求項1から9のいずれか一項に記載の方法。
- 無機顔料がカーボンブラック及び金属酸化物からなる群から選択される、請求項1から10のいずれか一項に記載の方法。
- 請求項1から11のいずれか一項に記載の方法によって得ることができるポリアミド粉末(PP)を、焼結粉末(SP)として使用する方法。
- 請求項1から11のいずれか一項に記載の方法によって得ることができるポリアミド粉末(PP)の選択的レーザー焼結による成形体を製造するための方法。
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- 2018-01-25 CN CN201880015555.XA patent/CN110382188A/zh active Pending
- 2018-01-25 US US16/482,490 patent/US11697716B2/en active Active
- 2018-01-25 JP JP2019541729A patent/JP7118075B2/ja active Active
- 2018-01-25 ES ES18701349T patent/ES2852378T3/es active Active
- 2018-01-25 EP EP18701349.5A patent/EP3576916B1/de active Active
- 2018-01-25 KR KR1020197025365A patent/KR102463559B1/ko active Active
- 2018-01-30 TW TW107103270A patent/TW201840392A/zh unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110382188A (zh) | 2019-10-25 |
| KR102463559B1 (ko) | 2022-11-07 |
| KR20190112774A (ko) | 2019-10-07 |
| TW201840392A (zh) | 2018-11-16 |
| EP3576916B1 (de) | 2020-11-11 |
| US11697716B2 (en) | 2023-07-11 |
| WO2018141631A1 (de) | 2018-08-09 |
| JP2020506991A (ja) | 2020-03-05 |
| US20200010627A1 (en) | 2020-01-09 |
| EP3576916A1 (de) | 2019-12-11 |
| ES2852378T3 (es) | 2021-09-13 |
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