NL8004482A - MAGNETIC REGISTRATION MATERIAL. - Google Patents
MAGNETIC REGISTRATION MATERIAL. Download PDFInfo
- Publication number
- NL8004482A NL8004482A NL8004482A NL8004482A NL8004482A NL 8004482 A NL8004482 A NL 8004482A NL 8004482 A NL8004482 A NL 8004482A NL 8004482 A NL8004482 A NL 8004482A NL 8004482 A NL8004482 A NL 8004482A
- Authority
- NL
- Netherlands
- Prior art keywords
- binder
- compound
- oligomer
- monomer
- polymer
- Prior art date
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 61
- 239000000463 material Substances 0.000 title claims description 18
- -1 isocyanate compound Chemical class 0.000 claims description 47
- 239000011230 binding agent Substances 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 23
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 22
- 239000012948 isocyanate Substances 0.000 claims description 22
- 229920000642 polymer Polymers 0.000 claims description 19
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 16
- 239000000178 monomer Substances 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 10
- 238000010894 electron beam technology Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 4
- 239000006247 magnetic powder Substances 0.000 claims description 4
- HTSGKJQDMSTCGS-UHFFFAOYSA-N 1,4-bis(4-chlorophenyl)-2-(4-methylphenyl)sulfonylbutane-1,4-dione Chemical compound C1=CC(C)=CC=C1S(=O)(=O)C(C(=O)C=1C=CC(Cl)=CC=1)CC(=O)C1=CC=C(Cl)C=C1 HTSGKJQDMSTCGS-UHFFFAOYSA-N 0.000 claims description 3
- 125000003368 amide group Chemical group 0.000 claims description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims 3
- GLGNXYJARSMNGJ-VKTIVEEGSA-N (1s,2s,3r,4r)-3-[[5-chloro-2-[(1-ethyl-6-methoxy-2-oxo-4,5-dihydro-3h-1-benzazepin-7-yl)amino]pyrimidin-4-yl]amino]bicyclo[2.2.1]hept-5-ene-2-carboxamide Chemical compound CCN1C(=O)CCCC2=C(OC)C(NC=3N=C(C(=CN=3)Cl)N[C@H]3[C@H]([C@@]4([H])C[C@@]3(C=C4)[H])C(N)=O)=CC=C21 GLGNXYJARSMNGJ-VKTIVEEGSA-N 0.000 claims 1
- 229940125758 compound 15 Drugs 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- AOJOEFVRHOZDFN-UHFFFAOYSA-N benzyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC1=CC=CC=C1 AOJOEFVRHOZDFN-UHFFFAOYSA-N 0.000 description 17
- 239000003973 paint Substances 0.000 description 15
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 12
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- 229940113165 trimethylolpropane Drugs 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- 150000003926 acrylamides Chemical class 0.000 description 4
- 239000001361 adipic acid Substances 0.000 description 4
- 235000011037 adipic acid Nutrition 0.000 description 4
- 125000004386 diacrylate group Chemical group 0.000 description 4
- 125000005442 diisocyanate group Chemical group 0.000 description 4
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical compound CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 4
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 4
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 239000000787 lecithin Substances 0.000 description 3
- 235000010445 lecithin Nutrition 0.000 description 3
- 229940067606 lecithin Drugs 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 229920000139 polyethylene terephthalate Polymers 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 229920001451 polypropylene glycol Polymers 0.000 description 3
- SYENVBKSVVOOPS-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butyl prop-2-enoate Chemical compound CCC(CO)(CO)COC(=O)C=C SYENVBKSVVOOPS-UHFFFAOYSA-N 0.000 description 2
- XFCMNSHQOZQILR-UHFFFAOYSA-N 2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOC(=O)C(C)=C XFCMNSHQOZQILR-UHFFFAOYSA-N 0.000 description 2
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 2
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 2
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 2
- 229910020630 Co Ni Inorganic materials 0.000 description 2
- 229910002440 Co–Ni Inorganic materials 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- GGNQRNBDZQJCCN-UHFFFAOYSA-N benzene-1,2,4-triol Chemical compound OC1=CC=C(O)C(O)=C1 GGNQRNBDZQJCCN-UHFFFAOYSA-N 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 2
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 2
- 239000004006 olive oil Substances 0.000 description 2
- 235000008390 olive oil Nutrition 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000012744 reinforcing agent Substances 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 2
- CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical compound OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- POTYORUTRLSAGZ-UHFFFAOYSA-N (3-chloro-2-hydroxypropyl) prop-2-enoate Chemical compound ClCC(O)COC(=O)C=C POTYORUTRLSAGZ-UHFFFAOYSA-N 0.000 description 1
- MRIKSZXJKCQQFT-UHFFFAOYSA-N (3-hydroxy-2,2-dimethylpropyl) prop-2-enoate Chemical compound OCC(C)(C)COC(=O)C=C MRIKSZXJKCQQFT-UHFFFAOYSA-N 0.000 description 1
- OAKFFVBGTSPYEG-UHFFFAOYSA-N (4-prop-2-enoyloxycyclohexyl) prop-2-enoate Chemical compound C=CC(=O)OC1CCC(OC(=O)C=C)CC1 OAKFFVBGTSPYEG-UHFFFAOYSA-N 0.000 description 1
- PPTXVXKCQZKFBN-UHFFFAOYSA-N (S)-(-)-1,1'-Bi-2-naphthol Chemical compound C1=CC=C2C(C3=C4C=CC=CC4=CC=C3O)=C(O)C=CC2=C1 PPTXVXKCQZKFBN-UHFFFAOYSA-N 0.000 description 1
- MPUZDPBYKVEHNH-BQYQJAHWSA-N (e)-2-methyl-3-phenylprop-2-enamide Chemical compound NC(=O)C(/C)=C/C1=CC=CC=C1 MPUZDPBYKVEHNH-BQYQJAHWSA-N 0.000 description 1
- AQSWYJHDAKIVIM-ONEGZZNKSA-N (e)-hex-3-ene-2,5-diol Chemical compound CC(O)\C=C\C(C)O AQSWYJHDAKIVIM-ONEGZZNKSA-N 0.000 description 1
- CPXHDGJIYPGMMZ-UHFFFAOYSA-N 1,1,4,4-tetraphenylbut-2-yne-1,4-diol Chemical compound C=1C=CC=CC=1C(C=1C=CC=CC=1)(O)C#CC(O)(C=1C=CC=CC=1)C1=CC=CC=C1 CPXHDGJIYPGMMZ-UHFFFAOYSA-N 0.000 description 1
- ZWVMLYRJXORSEP-UHFFFAOYSA-N 1,2,6-Hexanetriol Chemical compound OCCCCC(O)CO ZWVMLYRJXORSEP-UHFFFAOYSA-N 0.000 description 1
- DHKSJSQSVHHBPH-UHFFFAOYSA-N 1,2-dipyridin-4-ylethane-1,2-diol Chemical compound C=1C=NC=CC=1C(O)C(O)C1=CC=NC=C1 DHKSJSQSVHHBPH-UHFFFAOYSA-N 0.000 description 1
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 1
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- 229940035437 1,3-propanediol Drugs 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- OHLKMGYGBHFODF-UHFFFAOYSA-N 1,4-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=C(CN=C=O)C=C1 OHLKMGYGBHFODF-UHFFFAOYSA-N 0.000 description 1
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 description 1
- QUPKOUOXSNGVLB-UHFFFAOYSA-N 1,8-diisocyanatooctane Chemical compound O=C=NCCCCCCCCN=C=O QUPKOUOXSNGVLB-UHFFFAOYSA-N 0.000 description 1
- HNKNCTHACSPOPO-UHFFFAOYSA-N 1-(azepan-1-yl)prop-2-en-1-one Chemical compound C=CC(=O)N1CCCCCC1 HNKNCTHACSPOPO-UHFFFAOYSA-N 0.000 description 1
- PWMWNFMRSKOCEY-UHFFFAOYSA-N 1-Phenyl-1,2-ethanediol Chemical compound OCC(O)C1=CC=CC=C1 PWMWNFMRSKOCEY-UHFFFAOYSA-N 0.000 description 1
- JSZOAYXJRCEYSX-UHFFFAOYSA-N 1-nitropropane Chemical compound CCC[N+]([O-])=O JSZOAYXJRCEYSX-UHFFFAOYSA-N 0.000 description 1
- FQXGHZNSUOHCLO-UHFFFAOYSA-N 2,2,4,4-tetramethyl-1,3-cyclobutanediol Chemical compound CC1(C)C(O)C(C)(C)C1O FQXGHZNSUOHCLO-UHFFFAOYSA-N 0.000 description 1
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 description 1
- HGOUNPXIJSDIKV-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butyl 2-methylprop-2-enoate Chemical compound CCC(CO)(CO)COC(=O)C(C)=C HGOUNPXIJSDIKV-UHFFFAOYSA-N 0.000 description 1
- NDYJEAUUNHDJMC-UHFFFAOYSA-N 2,2-diphenylpropane-1,3-diol Chemical compound C=1C=CC=CC=1C(CO)(CO)C1=CC=CC=C1 NDYJEAUUNHDJMC-UHFFFAOYSA-N 0.000 description 1
- PUGOMSLRUSTQGV-UHFFFAOYSA-N 2,3-di(prop-2-enoyloxy)propyl prop-2-enoate Chemical compound C=CC(=O)OCC(OC(=O)C=C)COC(=O)C=C PUGOMSLRUSTQGV-UHFFFAOYSA-N 0.000 description 1
- KKTUQAYCCLMNOA-UHFFFAOYSA-N 2,3-diaminobenzoic acid Chemical compound NC1=CC=CC(C(O)=O)=C1N KKTUQAYCCLMNOA-UHFFFAOYSA-N 0.000 description 1
- CWWYEELVMRNKHZ-UHFFFAOYSA-N 2,3-dimethylbut-2-enamide Chemical compound CC(C)=C(C)C(N)=O CWWYEELVMRNKHZ-UHFFFAOYSA-N 0.000 description 1
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- 238000007348 radical reaction Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
- G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Description
* '* '
Br/lh/1154Br / lh / 1154
Magnetisch registratiemateriaal.Magnetic recording material.
De uitvinding heeft betrekking op een magnetisch registratiemateriaal, met een magnetische laag van magneet-poeder in een bindmiddel. Tevens heeft zij betrekking op het maken daarvan.The invention relates to a magnetic recording material with a magnetic layer of magnet powder in a binder. It also relates to the making thereof.
5 Voor het bindmiddel van de magnetische laag van magneetband wordt vaak een verbinding gebruikt die verkregen wordt door een polymeer met een groot aantal hydroxylgroepen per molecuul te laten reageren met di- of tri-isocyanaat onder vorming van urethan-dwarsbindingen. Een nadeel van 10 dit type bindmiddel is dat de verwerkingsduur als gevolg van de grote hoeveelheid bij de reaktie gebruikte isocyanaat-groepen nogal kort is. Wordt de hoeveelheid isocyanaat-groepen verminderd ter verlenging van de verwerkingsduur, dan wordt het verkregen bindmiddel niet voldoende uitgehard, 15 waardoor de magnetische laag onvoldoende sterkte verkrijgt.For the binder of the magnetic tape of magnetic tape, a compound is often used which is obtained by reacting a polymer with a large number of hydroxyl groups per molecule with di- or tri-isocyanate to form urethane cross-links. A drawback of this type of binder is that the processing time is rather short due to the large amount of isocyanate groups used in the reaction. If the amount of isocyanate groups is reduced to extend the processing time, the binder obtained is not sufficiently cured, as a result of which the magnetic layer does not obtain sufficient strength.
De verwerkingsduur en de hardheid staan derhalve in omgekeerde zin met elkaar in verband, zodat het onmogelijk of bijzonder moeilijk is gebleken om een bindmiddel te verschaffen dat zowel een goed hardingsgedrag als een goede verwerkings-20 duur heeft. Verder is het ook onmogelijk gebleken om het bindmiddel via de vorming van urethan-dwarsbindingen stapsgewijs uit te harden.The processing time and hardness are therefore inversely related so that it has been found impossible or particularly difficult to provide a binder which has both good curing behavior and good processing time. Furthermore, it has also proved impossible to cure the binder step by step through the formation of urethane cross bonds.
De uitvinding beoogt de hierboven geschetste moeilijkheden te ondervangen. Met name beoogt zij een magnetisch 25 registratiemateriaal te maken, waarin het bindmiddel bij uitharding een voldoende grote dichtheid aan dwarsbindingen verkrijgt, waarin de magnetische laag een voldoende hoge mechanische sterkte heeft en waarin de magnetische laag is gemaakt uit een magnetische verf van voldoende lange ver-30 werkingsduur. Ook beoogt zij een magnetisch registratiemateriaal met een magneetlaag van willekeurige hardheid te maken.The object of the invention is to overcome the difficulties outlined above. In particular, it aims to make a magnetic recording material in which the binder, when cured, obtains a sufficiently high density of cross bonds, in which the magnetic layer has a sufficiently high mechanical strength and in which the magnetic layer is made of a magnetic paint of sufficiently long strength. 30 operating time. It also aims to make a magnetic recording material with a magnetic layer of arbitrary hardness.
De uitvinding verschaft een magnetisch registratiemateriaal, met een magnetische laag van magneetpoeder in een 8004482 -2- bindmiddel, hetwelk gekenmerkt is doordat het bindmiddel bestaat uit de navolgende verbinding I en/of de navolgende verbinding II, en door bestraling is uitgehard, waarbij I een binaire verbinding is, gevormd door een mono-5 meer, oligomeer en/of polymeer te laten reageren met een isocyanaatverbinding, welk monomeer, oligomeer of polymeer per molecuul zowel een groot aantal actieve waterstofatomen, geschikt voor reaktie met isocyanaatgroepen, als tenminste éën onverzadigde binding bevat, terwijl de isocyanaatverbin-10 ding een groot aantal isocyanaatgroepen per molecuul bevat, en waarbij verbinding II een ternaire verbinding is, gevormd door onderlinge reaktie van de drie componenten, waarbij éën der componenten tenminste een verbinding is die een groot aantal actieve waterstofatomen, geschikt voor reaktie met 15' isocyanaatgroepen, bevat, een andere component een monomeer, oligomeer en/of polymeer is dat tenminste één onverzadigde binding per molecuul bevat, en de resterende component een - isocyanaatverbinding is die een groot aantal isocyanaat groepen per molecuul bevat.The invention provides a magnetic recording material, with a magnetic layer of magnetic powder in an 8004482-2 binder, which is characterized in that the binder consists of the following compound I and / or the following compound II, and is cured by irradiation. binary compound, formed by reacting a monomer, oligomer and / or polymer with an isocyanate compound, which monomer, oligomer or polymer per molecule contains both a large number of active hydrogen atoms, suitable for reaction with isocyanate groups, and at least one unsaturated bond while the isocyanate compound contains a large number of isocyanate groups per molecule, and wherein compound II is a ternary compound formed by mutual reaction of the three components, one component being at least one compound containing a large number of active hydrogen atoms, suitably for reaction with 15 'isocyanate groups, another component contains one monomer, oligomer and / or polymer that contains at least one unsaturated bond per molecule, and the remaining component is an isocyanate compound containing a large number of isocyanate groups per molecule.
20 Verdere kenmerken van de uitvinding zullen uit de navolgende beschrijving blijken.Further features of the invention will become apparent from the following description.
In de samenstelling van het bindmiddel neemt de isocyanaatverbinding slechts een betrekkelijk klein gedeelte in, hetgeen een gunstige faktor is bij het verlengen van de 25 verwerkingsduur van de magnetische verf. Ondanks deze kleine, hoeveelheid isocyanaatverbinding bevat het bindmiddel voldoende onverzadigde bindingen, in het bijzonder dubbele bindingen die gevoelig zijn voor straling, zodat bij het opwekken van actieve stoffen zoals radicalen door ionisatie 30 .onder invloed van de bestraling, een reaktie tussen de radi calen en de onverzadigde bindingen op gang kan komen onder vorming van een lineaire of driedimensionale netwerkstructuur, terwijl de actieve waterstofatomen reageren met isocyanaatgroepen onder gelijktijdige vorming van een verknoopte 2-35 of 3-dimensionale structuur. Als gevolg hiervan kan het bindmiddel voldoende worden uitgehard om een magnetische laag van grote hardheid te vormen. Bij een juiste keuze van de hoeveelheid isocyanaatverbinding kan de verwerkingsduur van 3004482 * / -3- de magnetische verf worden verlengd en binnen een bepaald gebied worden ingesteld, terwijl een slechte harding van het bindmiddel wordt vermeden, zodat toch de gewenste hardheid van de magnetische laag ontstaat. Door gebruikmaking van de 5 uitvinding kunnen dus zowel de verwerkingsduur van de magnetische verf als de hardheid van de magnetische laag worden verbeterd, zodat voor de eerste maal een lange verwerkingsduur zich verdraagt met een voldoende grote hardheid. Verder kan de opgebrachte mechanische laag stapsgewijs worden uit-10 gehard door instellen van de juiste stralingsdoses, waardoor de gewenste hardheid van de magnetische laag gemakkelijk en op positieve wijze kan worden verkregen.In the binder composition, the isocyanate compound occupies only a relatively small proportion, which is a favorable factor in extending the processing time of the magnetic paint. Despite this small amount of isocyanate compound, the binder contains sufficient unsaturated bonds, in particular double bonds which are sensitive to radiation, so that when the active substances such as radicals are generated by ionization under the influence of the irradiation, a reaction between the radicals and the unsaturated bonds can start to form a linear or three-dimensional network structure, while the active hydrogen atoms react with isocyanate groups to form a cross-linked 2-35 or 3-dimensional structure simultaneously. As a result, the binder can be cured enough to form a magnetic layer of high hardness. When the amount of isocyanate compound is properly selected, the processing time of 3004482 * / -3- the magnetic paint can be extended and adjusted within a certain range, while avoiding poor curing of the binder, thus still achieving the desired hardness of the magnetic layer arises. Thus, by using the invention, both the processing time of the magnetic paint and the hardness of the magnetic layer can be improved, so that for the first time a long processing time is tolerated with a sufficiently high hardness. Furthermore, the applied mechanical layer can be cured step by step by adjusting the correct radiation doses, so that the desired hardness of the magnetic layer can be easily and positively obtained.
Bij het samenstellen van het materiaal voor het bindmiddel worden bij voorkeur 3-15 gew.delen isocyanaat-15 verbinding per 10O gew.delen verbinding met dubbele bindingen en/of actieve waterstofatomen gebruikt. Bij minder dan 3 gew. delen isocyanaatverbinding zal het bindmiddel slecht uit-harden en zal de opgebrachte laag een slechte mechanische sterkte verkrijgen, terwijl bij meer. dan 15 gew.delen iso-20 cyanaatverbinding een bindmiddel met een kortere verwerkingsduur ontstaat. De verhouding van dubbele bindingen tot actieve waterstofatomen ligt bij voorkeur tussen 1:1 en 10:1, want bij een kleinere verhouding dan 1:1 gaat de verwerkingsduur achteruit.en bij een grotere verhouding dan 25 10:1 wordt de opgebrachte laag te ver uitgehard zodat een slechte elasticiteit ontstaat. Het molecuulgewicht van mono-meer, oligomeer en polymeer per onverzadigde binding ligt bij voorkeur tussen 400 en 1000 en het molecuulgewicht per actief waterstofatoom tussen 1000 en 4000, want bij een 30 molecuulgewicht beneden 1000 gaat de uitharding van de laag te ver terwijl men boven 4000 een geringere dichtheid van dwarsbindingen en daardoor een slechte mechanische sterkte in dé laag verkrijgt.When composing the material for the binder, preferably 3-15 parts by weight of isocyanate-15 compound per 10% by weight of compound with double bonds and / or active hydrogen atoms are used. At less than 3 wt. parts of isocyanate compound will cure the binder poorly and the applied layer will obtain poor mechanical strength, while more. than 15 parts by weight of iso-20 cyanate compound, a binder with a shorter processing time is formed. The ratio of double bonds to active hydrogen atoms is preferably between 1: 1 and 10: 1, because if the ratio is less than 1: 1, the processing time will decrease, and if the ratio is more than 10: 1, the applied layer will be too far cured so that poor elasticity occurs. The molecular weight of monomer, oligomer and polymer per unsaturated bond is preferably between 400 and 1000 and the molecular weight per active hydrogen atom is between 1000 and 4000, because at a molecular weight below 1000 the curing of the layer goes too far while above 4000 a lower density of cross bonds and thereby obtain a poor mechanical strength in the layer.
In een bindmiddelsamenstelling overeenkomend met 35 de uitvinding worden de actieve waterstofatomen geleverd in de vorm van hydroxyl-, carboxyl-, amino- of amidegroepen of dergelijke, en dit betekent dat steeds een verbinding met twee of meer van dergelijke functionele groepen per molecuul 8004482 ·> -4- wordt gebruikt. Ook kunnen de actieve waterstofatomen deel uitmaken van de urethanbinding. Geschikte voorbeelden van de verbinding die per molecuul zowel een groot aantal actieve waterstofatomen als één of meer onverzadigde bindingen bevat/ 5 zijn polyester-copolymeren met uiteenlopende polymerisatie-graad, die gevormd kunnen worden door reaktie van trimethyl-olpropaan-monoacrylaat met hexaandiol en adipinezuur. In deze reaktie kan het trimethylolpropaan-monoacrylaat worden vervangen door een diacrylaat van een alifatisch polyol 10 zoals pentaerythritol, een diacrylaat van een alicyclische ' diglycidylether, of dergelijke. Verder kan hexaandiol worden vervangen door ethyleenglycol, propyleenglycol, 1,3-propaan-diol/ 1/4-butaandiol, 1,5-pentaandiol, neopentylglycol, di-ethyleenglycol, dipropyleenglycol, 2,2,4-trimethyl-l,3-pen-15 taandiol, 1,4-cyclohexaandimethanol, een additieprodukt van bisfenol A of gehydrogeneerd bis fenol. A met ethyleenoxide of propyleenoxide, polyethyleenglycol, polypropyleenglycol, polytetramethyleenglycol en dergelijke. Verder kunnen kleine hoeveelheden triolen en.tetraolen zoals triraethylolethaan, 20 trimethylolpropaan, glycerol, pentaerythritol of dergelijke worden toegevoegd. Het adipinezuur kan worden vervangen door een aromatisch dicarbonzuur.zoals tereftaalzuur, isoftaal-zuur, orthoftaalzuur of 1,5-naftaalzuur; een aromatisch hydroxycarbonzuur zoals p-hydroxybenzoezuur of p-(hydroxy-25 etoxy)-benzoezuur; of een alifatisch dicarbonzuur zoals barnsteenzuur, azelainezuur, sebacinezuur of dódecaandicarbonzuur. Wordt in dit geval een combinatie van een aromatisch carbonzuur. en een alifatisch carbonzuur gebruikt, dan ligt hun molecuulverhouding tussen 50/50 en 100/0, waarbij 30 tenminste 30 mol% van het aromatische carbonzuur bij voorkeur uit tereftaalzuur bestaat. Ook kunnen kleine hoeveelheden tri- of tetracarbonzuren.zoals trimellietzuur, tri-mesinezuur of pyromellietzuur worden toegevoegd.. Opgemerkt . wordt dat de zure component zoals adipinezuur, kan worden 35 vervangen door een aromatisch of al-ifatisch diisocyanaat zoals toluyleen-diisocyanaat, als een polyurethan wordt gevormd. De mengverhouding van acrylaat en polyol ligt bij voorkeur tussen 80/20 en 10/90 als het om een monoacrylaat 800 4 4 82 -5- gaat, en tussen 40/60 en 5/95 als het ora een diacrylaat gaat.In a binder composition according to the invention, the active hydrogen atoms are provided in the form of hydroxyl, carboxyl, amino or amide groups or the like, and this means that in each case a compound with two or more such functional groups per molecule 8004482 ·> -4- is used. The active hydrogen atoms can also form part of the urethane bond. Suitable examples of the compound which contains a large number of active hydrogen atoms and one or more unsaturated bonds per molecule are polyester copolymers of varying degree of polymerization, which can be formed by reaction of trimethyl-olpropane monoacrylate with hexanediol and adipic acid. In this reaction, the trimethylolpropane monoacrylate can be replaced with a diacrylate of an aliphatic polyol such as pentaerythritol, a diacrylate of an alicyclic diglycidyl ether, or the like. Furthermore, hexanediol can be replaced by ethylene glycol, propylene glycol, 1,3-propane diol / 1/4-butanediol, 1,5-pentanediol, neopentyl glycol, diethylene glycol, dipropylene glycol, 2,2,4-trimethyl-1,3- pen-15 tanediol, 1,4-cyclohexanedimethanol, an addition product of bisphenol A or hydrogenated bis phenol. A with ethylene oxide or propylene oxide, polyethylene glycol, polypropylene glycol, polytetramethylene glycol and the like. Furthermore, small amounts of triols and tetraols such as triraethylol ethane, trimethylol propane, glycerol, pentaerythritol or the like can be added. The adipic acid can be replaced by an aromatic dicarboxylic acid such as terephthalic acid, isophthalic acid, orthophthalic acid or 1,5-naphthalic acid; an aromatic hydroxycarboxylic acid such as p-hydroxybenzoic acid or p- (hydroxy-25-ethoxy) -benzoic acid; or an aliphatic dicarboxylic acid such as succinic, azelaic, sebacic or dodecanedicarboxylic acid. In this case, becomes a combination of an aromatic carboxylic acid. and using an aliphatic carboxylic acid, their molecular ratio is between 50/50 and 100/0, wherein at least 30 mol% of the aromatic carboxylic acid is preferably terephthalic acid. Small amounts of tri- or tetracarboxylic acids, such as trimellitic, tri-mesinic or pyromellitic acid, may also be added. that the acidic component, such as adipic acid, can be replaced by an aromatic or aliphatic diisocyanate, such as tolylene diisocyanate, when a polyurethane is formed. The mixing ratio of acrylate and polyol is preferably between 80/20 and 10/90 if it is a monoacrylate 800 4 4 82 -5-, and between 40/60 and 5/95 if the ora is a diacrylate.
Voorbeelden van de verbinding met een groot aantal actieve waterstofatomen per molecuul zijn vinylchloride-vinylacetaat-vinylalcohol-copolymeer, ethylcellulose, nitro-5 cellulose, polyvinylbutyral, butylacrylaat-acrylonitrile-acrylzuurcopolymeer, butylacrylaat-acrylonitrile-methacryl-zuur-copolymeer, aminohars, melaminehars, en polybutadieen met actieve eindgroepen.Examples of the compound having a large number of active hydrogen atoms per molecule are vinyl chloride-vinyl acetate-vinyl alcohol copolymer, ethyl cellulose, nitro-5 cellulose, polyvinyl butyral, butyl acrylate-acrylonitrile-acrylic acid copolymer, butyl acrylate-acrylonitrile-methacrylamic acid, copolymer and polybutadiene with active end groups.
Voorbeelden van de verbinding die één of meer on-10 verzadigde bindingen bevat zijn: acrylzuur en acrylaten, zoals ethylacrylaat, propylacrylaat, butylacrylaat, amyl-acrylaat, ethylhexylacrylaat, octylacrylaat, t-octylacrylaat, 2- methoxyethylacrylaat, 2-butoxyethylacrylaat, 2-fenoxyethyl-acrylaat, chloorethylacrylaat, hydroxyethylacrylaat;' cyaan- 15 ethylacrylaat, hydroxypropylacrylaat, dimethylaminoethyl-acrylaat, 2,2-dimethylhydroxypropylacrylaat, 2-hydroxy-butylmonoacrylaat, 1,4-hydroxybutylmonoacrylaat, 5-hydroxy-pentylacrylaat, diethyleengl-ycolmonoacrylaat, trimethylol-propaan-monoacrylaat, pentaerythritol-monoacrylaat, glycidyl-20 acrylaat, 2-hydroxy-3-chloorpropylacrylaat/ benzylacrylaat, methoxybenzylacrylaat en fenylacrylaat. Ook kan worden gebruik gemaakt van methacrylzuur en methacrylaten zoals methylmetha-crylaat, ethylmethacrylaat, propylmethacrylaat, isopropyl-methacrylaat, amylmethacrylaat, hexylmethacrylaat, cyclo-25 hexylmethacrylaat, benzylmethacrylaat, cyaanacetoxyethyl-methacrylaat, benzylmethacrylaat, octylmethacrylaat, sulfo-propylmethacrylaat, N-ethyl-N-fenylaminoethyl-methacrylaat, ethyleenglycol-monomethacrylaat, 2-hydroxyethylmethacrylaat, 3- hydrcxypropylmethacrylaat, 2-hydroxypropylmethacrylaat, 30 2-hydroxy-butyl-monomethacrylaat, 4-hydroxybutylmethacrylaat, 5-hydroxypentylmethacrylaat, 2,2-dimethyl-3-hydroxypropyl-methacrylaat, diethyleenglycol-monomethacrylaat, trimethylol-propaan-monomethacrylaat, pentaerythrltol-monomethacrylaat, glycidylmethacrylaat, 2-methoxyethyl-methacrylaat, 2-(3-35 fenylpropylhydroxy)ethylmethacrylaat, dimethylaminofenoxy-ethylmethacrylaat, fenylmethacrylaat, kresylmethacrylaat, kresylmethacrylaat, naftylmethacrylaat en dergelijke. Daarnaast kunnen acrylamiden en derivaten, zoals N-gesubstitueer- §00 4 4 82 -6- de acrylaraiden worden gebruikt. Voorbeelden van N-gesubstitu-eerde acrylamiden zijn methylacrylamide, ethylacrylamide, propylacrylamide, isopropylacrylamide, butylacrylamide, t-butylacrylamide, heptylacrylamide/ t-octylacrylamide, cyclo-5 hexylacrylamide, benzylacrylamide, hydroxymethylacrylamide, methoxyethylacrylamide, dimethylaminoethylacrylamide, hydroxy-ethylacrylamide, fenylacrylamide, hydroxyfenylacrylaitd.de, tolylacrylamide, naftylacrylamide, dimethylacrylamide, di-ethylacrylamide, dibutylacrylamide, diisobutylacrylaxnide, 10 diacetonacrylamide, methylbenzylacrylaraide, benzylhydroxy-ethylacrylamide, ^i-cyaanethyl acrylamide, acryloylmorfoline, N-methyl-N-acryloylpiperazine, N-acryloylpiperidine, acryloyl-glycine, N-(1,l-dimethyl-3-hydroxybutyl)acrylamide, Ν-β-morfolinoethylacrylamide, N-acryloylhexamethyleenimïne, N-15 hydroxyethyl-N-methylacrylamide, en N-2-aceetamidoethyl-N-acetylacrylamide. Daarnaast kunnen methacrylamide en derivaten zoals N-gesubstitueerde methacrylamiden worden gebruikt. Voorbeelden hiervan zijn methylmethacrylamide, t-butyl-metha-crylamide, t-octylmethacrylamide, benzylmethacrylamide, 20 cyclohexylmethacrylamide, fenylmethacrylamide, dimethylmetha-crylamide, diethylmethacrylamide, dipropylmethacrylamide, hydroxyethyl-N-methylmethacrylamide, N-raethyl-N-fenylmetha-crylamide en N-ethyl-N-fenylmethacrylamide. Naast al deze verbindingen met een onverzadigde binding kunnen ook poly-25 acrylaten en polymethacrylaten (dat wil zeggen dimeren of hogere polymeren) van polyalcoholen worden gebruikt. Voorbeelden van geschikte polyalcoholen daarvoor zijn polyethy-leenglycol, polypropyleenglycol, polybutyleenglycol, poly-cyclohexeenglycol, polyethyleenoxide, polypropyleenoxide, 30. polystyreenoxide, polyoxetan, polytetrahydrofuran, cyclo- hexaandiol, xylyleendiol, di-(^l-hydroxyethoxy) benzeen, gly-. cerol,'diglycerol, neopentylglycol, trimethylolpropaan, triethylolpropaan, pentaerythritol, dipentaerythritol, sorbi-tan, sorbitol, butaandiol, butaantriol, -2-buteen-l,4-diol, 35 2-n-butyl-2-ethylpropaandiol, 2-butyn-l,4-diol, 3-chloor-l,2-propaandiol, 1,4-cyclohexaandimethanol, 3-cyclohexeen-l,1-dimethanol, decalinediol, 2,3-dibroom-2-buteen-l,4-diol, 2,2-diethyl-l,3-propaandiol, l,5-dihydroxy-l,2,3,4-tetra- 800 4 4 82 -7- hydronaftaleen, 2,5-dimethy1-2,5-hexaandiol, 2,2-dimethyl- 1.3- propaandiol, 2,2-difenyl-l,3-propaandiol, dodecaandiol, mesoerythritol, 2-ethyl-l,3-hexaandiol, 2-ethy1-2-(hydroxymethyl) -1,3-propaandiol, 2-ethyl-2-methyl-l,3-propaandiol, 5 heptaandiol, hexaandiol, 3-hexeen-2,5-diol, hydroxybenzyl-alcohol., hydroxyethylresorcinol, 2-methyl-l,4-butaandiol, 2-methyl-2,4-pentaandiol, nonaandiol, octaandiol, pentaandiol, 1- fenyl-l,2-ethaandiol, propaandiol, 2,2,4,4-tetramethyl-l,3-cyclobutaandiol, 2,3,5,6-tetramethyl-p-xyleen- ,Φ-diol, 10 l,l,4,4-tetrafenyl-l,4-butaandiol, 1,l,4,4-tetrafenyl-2-butyn-1,4-diol, 1,2,6-trihydroxyhexaan, 1,1'-bi-2-nafthól, dihydroxynaftaleen, 1,1'-methyleendi-2-nafthol, 1,2,4-ben-zeentriol, bifenol, 2,2'-bis(4-hydroxyfenyl)butaan, 1,1-bis(4-hydroxyfenyl)-cyclohexaan, bis(hydroxyfenyl-methaan, 15 catechol, 4-chloorrèsorcinol, 3,4-dihydroxyhydrokanaalzuur, hydrochinon, hydrobenzylalcohol, methylhydrochinon, methyl-2, 4,6-trihydroxybenzoaat, fluoroglucinol, pyrogallol, resorcinol , glucose, of-(1-aminoethy1)-p-hydroxybenzylalcohol, 2- amino-2-ethyl-l,3-propaandiol, 2-amino-2-methyl-l,3-propaan-20 diol, 3-amino-1,2-propaandiol, N-(3-aminopropyl)-diethanolamine , N, N' -bis- (2-hydroxy ethyl) -piperazine ,.2, .2-bis (hydroxymethyl) piperazine, 2,2',2"-nitroltriethanol, 2,2-bis(hydroxyl methyl)propionzuur, 1,3-bis(hydroxymethyl)-ureum, 1,2-bis (4-pyridyl)-1,2-ethaandiol, N-n-buty1-diethanolamine, dietha- 25 nolanine, N-ethyldiethanolamine, 3-mercapto-1.,2-propaandiol, 3- piperidino-1,2-propaandiol, 2-(2-pyridyl)-1,3-propaandiol, triethanolamine, of-(1-aminoethyl)-p-hydroxybenzylalcohol, 3-amino-4-hydroxyfenyl, sulfonen en dergelijke. Andere bovengenoemde acrylesters, acrylaten, methacrylesters en metha- 30 crylaten genieten de volgende verbindingen in verband met hun beschikbaarheid de voorkeur: ethyleendimethacrylaat, ethyleenglycol-diacrylaat, diethyleenglycol-dimethacrylaat, polyethyleenglycol-diacrylaat, pentaerythritol-triacrylaat, pentaerythritol-dimethacrylaat, dipentaerythritol-penta-35 acrylaat, glycerol-triacrylaat, diglycerol-dimethacrylaat, 1.3- propaandiol-diacrylaat, 1,2,4-butaantriol-trimethacrylaat, 1.4- cyclohexaandiol.-diacrylaat, 1,5-pentaandial-diacrylaat, neopentylglycol-diacrylaat, de triacrylzure ester van het 8004482 -8- produkt van trimethylolpropaan en ethyleenoxide, en dergelijke.Examples of the compound containing one or more unsaturated bonds are: acrylic acid and acrylates, such as ethyl acrylate, propyl acrylate, butyl acrylate, amyl acrylate, ethylhexyl acrylate, octyl acrylate, t-octyl acrylate, 2-methoxyethyl acrylate, 2-butoxyethyl acrylate, 2-phenoxyethyl -acrylate, chloroethyl acrylate, hydroxyethyl acrylate; cyanoethyl acrylate, hydroxypropyl acrylate, dimethylaminoethyl acrylate, 2,2-dimethylhydroxypropyl acrylate, 2-hydroxy-butyl monoacrylate, 1,4-hydroxybutyl monoacrylate, 5-hydroxy-pentyl acrylate, diethylene-glycol acrylate, trimethylol-propane-monoethyl acrylate -20 acrylate, 2-hydroxy-3-chloropropyl acrylate / benzyl acrylate, methoxybenzyl acrylate and phenyl acrylate. Methacrylic acid and methacrylates such as methyl methacrylate, ethyl methacrylate, propyl methacrylate, isopropyl methacrylate, amyl methacrylate, hexyl methacrylate, cyclo-hexyl methacrylate, benzyl methacrylate, octyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzyl methacrylate, benzylmethacrylate phenylaminoethyl methacrylate, ethylene glycol monomethacrylate, 2-hydroxyethyl methacrylate, 3-hydroxypropyl methacrylate, 2-hydroxypropyl methacrylate, 2 2-hydroxy-butyl monomethacrylate, 4-hydroxybutyl methacrylate, 5-hydroxypentyl methacrylate, 2,2-dimethyl-3-methyl-3-methyl diethylene glycol monomethacrylate, trimethylol propane monomethacrylate, pentaerythrthol monomethacrylate, glycidyl methacrylate, 2-methoxyethyl methacrylate, 2- (3-35 phenylpropylhydroxy) ethyl methacrylate, methyl methacrylate, phenethyl methacrylate, phenomethyl acrylate In addition, acrylamides and derivatives such as N-substituted acrylic arides can be used. Examples of N-substituted-most of acrylamides are methyl acrylamide, ethylacrylamide, propylacrylamide, isopropylacrylamide, butylacrylamide, t-butylacrylamide, heptylacrylamide / t-octyl acrylamide, cyclo-5 hexyl acrylamide, benzylacrylamide, hydroxymethylacrylamide, methoxyethylacrylamide, dimethylaminoethylacrylamide, hydroxy-ethyl acrylamide, phenylacrylamide, hydroxyfenylacrylaitd. de, tolylacrylamide, naphthylacrylamide, dimethylacrylamide, diethylacrylamide, dibutyl acrylamide, diisobutyl acrylamide, diacetone acrylamide, methyl benzyl acrylamide, benzylhydroxyethyl-acrylamide, acrylamide - (1,1-dimethyl-3-hydroxybutyl) acrylamide, Ν-β-morpholinoethylacrylamide, N-acryloylhexamethyleneimine, N-15 hydroxyethyl-N-methyl acrylamide, and N-2-acetamidoethyl-N-acetylacrylamide. In addition, methacrylamide and derivatives such as N-substituted methacrylamides can be used. Examples include methyl methacrylamide, t-butyl methacrylamide, t-octyl methacrylamide, benzyl methacrylamide, cyclohexyl methacrylamide, phenylmethacrylamide, dimethylmethacrylamide, diethylmethacrylamide, dipropylmethacrylamide, hydroxyethyl-N-methylmethacrylamide, ethyl N-phenyl methacrylamide. In addition to all these compounds with an unsaturated bond, polyacrylates and polymethacrylates (ie, dimers or higher polymers) of polyalcohols can also be used. Examples of suitable polyalcohols therefor are polyethylene glycol, polypropylene glycol, polybutylene glycol, polycyclohexene glycol, polyethylene oxide, polypropylene oxide, polystyrene oxide, polyoxetan, polytetrahydrofuran, cyclohexanediol, xylylene diol, di - (1-hydroxyhydoxy) benzene. cerol, diglycerol, neopentyl glycol, trimethylol propane, triethylol propane, pentaerythritol, dipentaerythritol, sorbi-tan, sorbitol, butanediol, butanetriol, -2-butene-1,4-diol, 2-n-butyl-2-ethylpropanediol, 2-butyne -1,4-diol, 3-chloro-1,2-propanediol, 1,4-cyclohexanedimethanol, 3-cyclohexene-1,1-dimethanol, decalinediol, 2,3-dibromo-2-butene-1,4-diol 2,2-diethyl-1,3-propanediol, 1,5-dihydroxy-1,2,3,4-tetra-800 4 4 82 -7-hydronaphthalene, 2,5-dimethyl-2,5-hexanediol, 2,2-dimethyl-1,3-propanediol, 2,2-diphenyl-1,3-propanediol, dodecanediol, mesoerythritol, 2-ethyl-1,3-hexanediol, 2-ethyl-1-2- (hydroxymethyl) -1,3- propanediol, 2-ethyl-2-methyl-1,3-propanediol, 5-heptanediol, hexanediol, 3-hexene-2,5-diol, hydroxybenzyl alcohol., hydroxyethyl resorcinol, 2-methyl-1,4-butanediol, 2- methyl 2,4-pentanediol, nonanediol, octanediol, pentanediol, 1-phenyl-1,2-ethanediol, propanediol, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, 2,3,5,6- tetramethyl-p-xylene, Φ-diol, 10 l, l, 4,4-tetraphenyl-1,4-butane iol, 1,1,4,4-tetraphenyl-2-butyne-1,4-diol, 1,2,6-trihydroxyhexane, 1,1'-bi-2-naphthol, dihydroxynaphthalene, 1,1'-methylenediol 2-naphthol, 1,2,4-benzene triol, biphenol, 2,2'-bis (4-hydroxyphenyl) butane, 1,1-bis (4-hydroxyphenyl) -cyclohexane, bis (hydroxyphenyl-methane, 15 catechol) , 4-Chlorresorcinol, 3,4-dihydroxyhydrochannic acid, hydroquinone, hydrobenzyl alcohol, methylhydroquinone, methyl 2,4,6-trihydroxybenzoate, fluoroglucinol, pyrogallol, resorcinol, glucose, or- (1-aminoethy1) -p-hydroxybenzyl alcohol, 2-amino -2-ethyl-1,3-propanediol, 2-amino-2-methyl-1,3-propan-20-diol, 3-amino-1,2-propanediol, N- (3-aminopropyl) -diethanolamine, N, N '-bis- (2-hydroxy ethyl) -piperazine, .2, .2-bis (hydroxymethyl) piperazine, 2,2', 2 "-nitroltriethanol, 2,2-bis (hydroxyl methyl) propionic acid, 1,3 bis (hydroxymethyl) urea, 1,2-bis (4-pyridyl) -1,2-ethanediol, Nn-butyl-diethanolamine, diethanolan, N-ethyl diethanolamine, 3-mercapto-1,2-propanediol 3-piperidino-1,2-propanediol, 2- (2-pyridyl) -1,3-propanedio 1,3 triethanolamine, or- (1-aminoethyl) -p-hydroxybenzyl alcohol, 3-amino-4-hydroxyphenyl, sulfones and the like. Other above-mentioned acrylic esters, acrylates, methacryl esters and methacrylates, the following compounds are preferred for their availability: ethylene dimethacrylate, ethylene glycol diacrylate, diethylene glycol dimethacrylate, polyethylene glycol diacrylate, pentaerythritol triacrylate, pentaerythritol dipentaacrylate, dimethyl acrylate Acrylic, glycerol triacrylate, diglycerol dimethacrylate, 1,3-propanediol diacrylate, 1,2,4-butanetriol trimethacrylate, 1,4-cyclohexanediol diacrylate, 1,5-pentanedial diacrylate, neopentyl glycol diacrylate, the triacrylic acid ester the 8004482-8 product of trimethylolpropane and ethylene oxide, and the like.
Acrylamiden en methacrylamiden die voor de bovengenoemde onverzadigde verbinding kunnen worden gebruikt zijn: 5 methyleenbisacrylamide, evenals de acrylamiden en methacryl-amiden van ethyleendiamine, diaminopropaan, diaminobutaan, pentaanmethyleendiamine, hexamethyleendiamine, bis(2-amino-propyl)-amine, diethyleentriamine, heptamethylèendiamine, octamethyleendiamine, polyaminen waarin de polyamineketen 10 door een hetero-atoom is onderbroken, polyacrylamiden en polymethacrylamiden van cyclische polyaminen, zoals fenyleen-diaraine, xylyleendiamine, β-(4-aminofenyl)ethylamine, diamino-benzoezuur, diaminotolueen, diaminoanthrachinon, diamino-flureen, en dergelijke.Acrylamides and methacrylamides that can be used for the above-mentioned unsaturated compound are: methylene bisacrylamide, as well as the acrylamides and methacrylamides of ethylenediamine, diaminopropane, diaminobutane, pentanomethylenediamine, hexamethylenediamine, bis (2-amino-propyltriamine, diethylamethyl, diethylene) octamethylenediamine, polyamines in which the polyamine chain is interrupted by a hetero atom, polyacrylamides and polymethacrylamides of cyclic polyamines, such as phenylene-diaraine, xylylendiamine, β- (4-aminophenyl) ethylamine, diamino-benzoic acid, diamino-tololuene, diamino-toluquinone and such.
15 Verbindingen met twee of meer onverzadigde bindin gen die een additiepolymerisatiereaktie kunnen aangaan, zoals Ν-β-hydroxyethyl-β-(methacrylamide)ethylacrylaat, N,N-bis (ji-methylcryloxyethyl) -acrylamide en allylmethacrylaat, worden bij voorkeur .gebruikt voor de bovengenoemde onverza-20 digde verbinding.Compounds with two or more unsaturated bonds that can initiate an addition polymerization reaction, such as Ν-β-hydroxyethyl-β- (methacrylamide) ethyl acrylate, N, N-bis (i-methylcryloxyethyl) -acrylamide and allyl methacrylate, are preferably used for the above unsaturated compound.
Geschikte voorbeelden voor de isocyanaatverbinding • met twee of meer en bij voorkeur drie isocyanaatgroepen zijn: 2,4-toluyleen-diisocyanaat, 2,6-toluyleen-diisocyanaat, p-fenyleen-diisocyanaat, polymethyleenpolyfenyldiisocyanaat, 25 difenylmethaandiisocyanaat,. m-fenyleendiisocyanaat, hexa- methyleendiisocyanaat, butyleen-l,4-diisocyanaat, octamethy-leendiisocyanaat, 3,3'-dimethoxy-4,4'-bifenyleendiisocyanaat, 1,18-octadecamethyleen-diisocyanaat,.polymethyleen-diisocya-naat, naftaleen-2,4-diisocyanaat, 3,3'-dimethyl-4,4,-bifeny-30 leen-diisocyanaat, l-methoxyfenyleen-2,4-diisocyanaat, di- fenyleen-4,4'-diisocyanaat, 4,4'-diisocyanaat-difènylether, naftaleen-l,5-diisocyanaat, diisocyanaat-dicyclohexylmethaan, p-xyleen-diisocyanaat, m-xyleen-diisocyanaat, difenyleen-diisocyanaathydride, difenylmethaan-diisocyanaathydride, 35 benzeen-triisocyanaat, tolueen-2,'4,β-triisocyanaat, 3-methyl-4,6,4'-triisocyanaat-difenyImethaan, 2,4,4'-triisocyanaat-difenyl, 2,4,4';-triisocyanaat-difenylether, een triisocyanaat verkregen door reaktie van 3 mol toluyleen-diisocyanaat met 800 4 4 82 -9- 1 mol trimethylolpropaan oftewel Desmodur L (75% oplossing in ethylacetaat, van Farbenfabrieken Bayer A.G.), Desmodur N (triisocyanaat van Bayer, verkregen door reaktie van 3 mol hexamethyleendiisocyanaat met 1 mol water) , en dergelijke.Suitable examples for the isocyanate compound having two or more and preferably three isocyanate groups are: 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, p-phenylene diisocyanate, polymethylene polyphenyl diisocyanate, diphenylmethane diisocyanate. m-phenylene diisocyanate, hexamethylene diisocyanate, butylene 1,4-diisocyanate, octamethylene diisocyanate, 3,3'-dimethoxy-4,4'-biphenylene diisocyanate, 1,18-octadecamethylene diisocyanate, polymethylene diisocyanate, naphthalene -2,4-diisocyanate, 3,3'-dimethyl-4,4, -bipheny-30-diene diisocyanate, 1-methoxyphenylene-2,4-diisocyanate, diphenylene-4,4'-diisocyanate, 4.4 diisocyanate diphenyl ether, naphthalene 1,5-diisocyanate, diisocyanate dicyclohexylmethane, p-xylene diisocyanate, m-xylene diisocyanate, diphenylene diisocyanate hydride, diphenylmethane diisocyanate hydride, 35 benzene β-triisocyanate, 3-methyl-4,6,4'-triisocyanate-diphenylmethane, 2,4,4'-triisocyanate-diphenyl, 2,4,4 '- triisocyanate-diphenyl ether, a triisocyanate obtained by reaction of 3 mol toluylene diisocyanate with 800 4 4 82-9-1 mol trimethylolpropane or Desmodur L (75% solution in ethyl acetate, from Farbenfabrieken Bayer AG), Desmodur N (triisocyanate from Bayer, obtained by reaction of 3 moles of hexamethylene diisocyanate with 1 mole of water), and the like.
5 De magnetische laag volgens de uitvinding kan op een basislaag worden gevormd door. deze op bekende wijze te bekleden. Voor het bestralen van de opgebrachte magnetische laag kunnen ioniserende stralen zoals elektronenbundels, neutronenbundels en ^stralen worden gebruikt, gewoonlijk in 10 een dosis van 1-10 Mrad en bij voorkeur in een dosis van 2-7 Mrad, waarbij het stralingsvermogen bij voorkeur 100 KeV of meer is. Deze stralingsdosis is voldoende om een radicaal-reaktie op gang te brengen.The magnetic layer according to the invention can be formed on a base layer by. to coat it in a known manner. For irradiating the applied magnetic layer, ionizing rays such as electron beams, neutron beams and rays can be used, usually in a dose of 1-10 Mrad and preferably in a dose of 2-7 Mrad, the radiant power preferably being 100 KeV or more. This radiation dose is sufficient to initiate a radical reaction.
Het magneetpoeder in de magnetische laag Volgens 15 de uitvinding kan bestaan uit mengkristallen van y-Fe2C>2 en Fe^O^, met cobalt verontreinigd of Fe^O^,The magnetic powder in the magnetic layer According to the invention can consist of mixed crystals of γ-Fe2C> 2 and Fe ^ O ^, cobalt-contaminated or Fe ^ O ^,
CrC^, bariumferriet, ferrimagnetische legeringen, zoals Fe-Co, Co-Ni, Fe-Co-Ni, Fe-Co-B, Fe-Co-Cr-B, Μη-Bi, Mn-Al en Fe-Co-V, en ijzernitride. De magnetische laag kan ook een 20 versterkingsmiddel zoals aluminiumoxide, chroomoxide en/of siliciumoxide bevatten, evenals'een glijmiddel zoals squala-ne, een antistatisch middel zoals roet, en een dispergeer-middel zoals lecithine. De samenstellende bestanddelen van de magnetische laag worden dan opgelost in een organisch 25 oplosmiddel ter verkrijging van een magnetische verf, die op een basislaag wordt aangebracht ter vorming.van de magnetische laag. Het organische oplosmiddel van de magnetische verf kan worden gekozen uit ketonen, zoals aceton, methyl-ethylketon, methylisobutylketon of cyclohexanol; alcoholen 30 zoals methanol, ethanol, propanol, butanol; esters zoals methylacetaat, ethylacetaat, butylacetaat, ethyllactaat, glycolacetaat? monoethylether; glycolethers zoals ethyl-glycol-dimethylether, ethyleenglycol-monoethylether, dioxan; aromatische koolwaterstoffen zoals benzeen, tolueen, xyleen; 35 alifatische koolwaterstoffen zoals hexaan, heptaan? nitro- propaan; en dergelijke. De magnetische verf wordt aangebracht op een niet magnetiseerbare basislaag, die bijvoorbeeld bestaat uit een polyester zoals polyethyleentereftalaat, 800 44 82 -10- een polyalkeen zoals polypropeen, een cellulosederivaat zoals cellulosetriacetaat of cellulosediacetaat, een polycarbonaat, polyvinylchloride, polyimide, polyamide, polyhydrazide, een metaallaag zoals aluminium- of koperfoelie, papier of der-5 gelijke.CrC ^, barium ferrite, ferrimagnetic alloys, such as Fe-Co, Co-Ni, Fe-Co-Ni, Fe-Co-B, Fe-Co-Cr-B, Μη-Bi, Mn-Al and Fe-Co-V , and iron nitride. The magnetic layer may also contain a reinforcing agent such as aluminum oxide, chromium oxide and / or silicon oxide, as well as a lubricant such as squalane, an anti-static agent such as carbon black, and a dispersant such as lecithin. The constituents of the magnetic layer are then dissolved in an organic solvent to obtain a magnetic paint which is applied to a base layer to form the magnetic layer. The organic solvent of the magnetic paint can be selected from ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanol; alcohols such as methanol, ethanol, propanol, butanol; esters such as methyl acetate, ethyl acetate, butyl acetate, ethyl lactate, glycol acetate? monoethyl ether; glycol ethers such as ethyl glycol dimethyl ether, ethylene glycol monoethyl ether, dioxane; aromatic hydrocarbons such as benzene, toluene, xylene; 35 aliphatic hydrocarbons such as hexane, heptane? nitropropane; and such. The magnetic paint is applied to a non-magnetizable base coat, which consists, for example, of a polyester such as polyethylene terephthalate, 800 44 82 -10- a polyolefin such as polypropylene, a cellulose derivative such as cellulose triacetate or cellulose diacetate, a polycarbonate, polyvinyl chloride, polyimide, polyamide, polyhydrazide, a metal layer such as aluminum or copper foil, paper or the like.
De uitvinding wordt nader geïllustreerd door de volgende voorbeelden.The invention is further illustrated by the following examples.
Voorbeeld IExample I
üit de volgende bestanddelen werd een magnetische 10 verf bereid: /-Ρβ203 400 gew.delenA magnetic paint was prepared from the following ingredients: 400 parts by weight
Polyacrylaat met actieve waterstofatomen 100 gew.delenPolyacrylate with active hydrogen atoms 100 parts by weight
Trifunctionele isocyanaat- ~ 15 verbinding 10 gew.delenTrifunctional isocyanate compound ~ 10 parts by weight
Lecithine (dispergeermiddel) 1 gew.deelLecithin (dispersant) 1 part by weight
Cr203 (versterkingsmiddel) 3 gew.delenCr203 (reinforcing agent) 3 parts by weight
Olijfolie (glijmiddel) 0,5 gew.delenOlive oil (lubricant) 0.5 parts by weight
Methylethylketen (oplosmiddel) 600 gew.delen 20 Methylisobutylketon (oplosmiddel) 600 gew.delenMethyl ethyl chain (solvent) 600 parts by weight 20 Methyl isobutyl ketone (solvent) 600 parts by weight
Het polyacrylaat was een polymeer met molecuulgewicht 20.000, verkregen door copolymerisatie van pentaerythritol-diacry-laat met hexaandiol, adipinezuur en trimethylolpropaan in een mengverhouding van 16:30:50:4. Het trifunctionele iso-25 cyanaat was Desmodur L van Bayer.The polyacrylate was a 20,000 molecular weight polymer obtained by copolymerizing pentaerythritol diacrylate with hexanediol, adipic acid and trimethylol propane in a mixing ratio of 16:30: 50: 4. The trifunctional iso-cyanate was Desmodur L from Bayer.
De stoffen werden in een kogslmolen gemengd tot een magnetische verf, waarmee basisfilm van polyethyleen-tereftalaat werd bekleed. De beklede film werd gedroogd,' gecallanderd en daarna uitgehard door verwarming op 60°C 30 gedurende 24 uren. Vervolgens werd de magnetische laag bestraald met een elektronenbundel· van 5Mrad bij een versnel-lingsvoltage van 300 kV. Bij het meten van de eigenschappen van de verkregen magneetband bleek de bekledingssterkte 12,5 x 10^ kg/cm^ en de dynamische wrijvingscoefficient pd 35 0,210 te zijn.The materials were mixed in a ball mill to form a magnetic paint to coat the base film of polyethylene terephthalate. The coated film was dried, calendered and then cured by heating at 60 ° C for 24 hours. Then, the magnetic layer was irradiated with an electron beam of 5Mrad at an accelerating voltage of 300 kV. When measuring the properties of the magnetic tape obtained, the coating strength was found to be 12.5 x 10 ^ kg / cm 2 and the dynamic friction coefficient pd 0.210.
Voorbeeld IIExample II
Uit de volgende bestanddelen werd een magnetische verf bereid: 800 44 82 -11-A magnetic paint was prepared from the following ingredients: 800 44 82 -11-
•VTVT
Y-Fe^^ 400 gew.delenY-Fe ^^ 400 parts by weight
Paraplan 88 40 gew.delenParaplan 88 40 parts by weight
Aronix 60 gew.delenAronix 60 parts by weight
Desmodur L 10 gew.delen 5 Lecithine (dispergeermiddel) 1 gew.deelDesmodur L 10 parts by weight 5 Lecithin (dispersant) 1 parts by weight
Cr2°3 (vers-t:erkingsmiddel) 3 gew.delenCr2 ° 3 (vers-t: marking agent) 3 parts by weight
Olijfolie (glijmiddel) 0,5 gew.delenOlive oil (lubricant) 0.5 parts by weight
Hierin was Paraplen 88 van Nippon Polyurethane Co. een bi- functionele thermoplastische polyurethanhars. Aronix van 10 Toa Gosei Kagaku Co. was een multifunctioneel acrylaat, en Desmodur L van Bayer was een trifunctioneel isocyanaat.Herein was Paraplen 88 from Nippon Polyurethane Co. a bi-functional thermoplastic polyurethane resin. Aronix from 10 Toa Gosei Kagaku Co. was a multifunctional acrylic, and Desmodur L from Bayer was a trifunctional isocyanate.
De bestanddelen werden in een kogelmolen.vermengd tot een magnetische verf, waarmee een basisfilra van polyethy-leentereftalaat werd bekleed. De beklede film werd gedroogd, 15 gecallanderd en 24 uren op 60°C gehard. Daarna werd de magnetische laag bestraald, met een elektronenbundel van 5 Mrad bij een versnellingsvoltage van 300 kV. De verkregen film werd ingesneden tot magneetbanden van 1,25 cm breedte.The ingredients were mixed in a ball mill to form a magnetic paint to coat a base film of polyethylene terephthalate. The coated film was dried, calendered and cured at 60 ° C for 24 hours. The magnetic layer was then irradiated with an electron beam of 5 Mrad at an acceleration voltage of 300 kV. The resulting film was cut into 1.25 cm wide magnetic tapes.
De door bestraling geharde magnetische laag had 20 een bekledingssterkte van 12,1 x 10* kg/crri en een dynamische wrijvingscoefficient ud van 0,214 (gemeten met de methode van Euler tegen een aluminiumtrommel). Bij een vergelijkings-proef. met een magnetische verf van dezelfde samenstelling, die niet bestraald was, werden daarentegen slechte resultaten 25 verkregen, namelijk een bekledingssterkte van 0,315 x 10^ kg/cm en.een jud van 0,761. Bij . een andere vergelijkingsproef waar de isocyanaatverbinding werd weggelaten, had de magnetische laag eveneens slechte eigenschappen, namelijk een 4 bekledingssterkte van 0,29 x 10 en een p.d van 0,82, zelfs 30 na bestraling met een elektronenbundel.The radiation-cured magnetic layer had a coating strength of 12.1 x 10 * kg / cm and a dynamic friction coefficient of 0.214 (measured by Euler's method against an aluminum drum). In a comparison test. on the other hand, with a magnetic paint of the same composition, which had not been irradiated, poor results were obtained, namely a coating strength of 0.315 × 10 kg / cm and a jud of 0.761. Bee . another comparative test where the isocyanate compound was omitted, the magnetic layer also had poor properties, namely, a 4 coating strength of 0.29 x 10 and a p.d. of 0.82, even after electron beam irradiation.
De in dit voorbeeld gebruikte magnetische verf had een verwerkingsduur van 12 uren bij 25°C. Werd de hoeveelheid isocyanaatverbinding verhoogd tot 30 gew.delen en werd de bestraling met een elektronenbundel weggelaten, 35 dan vertoonde de verkregen magneetband een betrekkelijk 4 2 grote bekledingssterkte van 11,8 x 10 kg/cm , maar bleek o de magnetische verf slechts 5 uren bij 25 C verwerkbaar te . zijn, hetgeen een belangrijke vermindering in verwerkings- 800 44 82 ΨΛ -12- duur betékent.The magnetic paint used in this example had a processing time of 12 hours at 25 ° C. If the amount of the isocyanate compound was increased to 30 parts by weight and the irradiation with an electron beam was omitted, the resulting magnetic tape exhibited a relatively high coating strength of 11.8 x 10 kg / cm, but the magnetic paint appeared only for 5 hours workable at 25 ° C. which means a significant reduction in processing time 800 44 82 ΨΛ -12.
Voorbeeld IIIExample III
De methode van voorbeeld II werd herhaald, waarbij echter het multifunctionele acrylaat in de magnetische verf 5 werd vervangen door ethyleendimethacrylaat. De eigenschappen van de verkregen magneetband na bestraling met een elektronenbundel bleken goed te zijn, namelijk een bekledingssterkte van 11,5 x 104 kg/cin en.een dynamische wrijvingscoefficient van 0,240. Zonder bestraling met een elektronenbundel werden 10 echter slechte resultaten verkregen, namelijk 0,310 x‘10^ 2 kg/cm en 0,765.The method of Example II was repeated, but the multifunctional acrylate in the magnetic paint 5 was replaced by ethylene dimethacrylate. The properties of the magnetic tape obtained after electron beam irradiation were found to be good, namely a coating strength of 11.5 x 104 kg / cin and a dynamic friction coefficient of 0.240. However, without electron beam irradiation, poor results were obtained, namely 0.310 × 10 ^ 2 kg / cm and 0.765.
300 44 82300 44 82
Claims (20)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10014479A JPS5625230A (en) | 1979-08-06 | 1979-08-06 | Magnetic recording medium |
| JP10014479 | 1979-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL8004482A true NL8004482A (en) | 1981-02-10 |
Family
ID=14266110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL8004482A NL8004482A (en) | 1979-08-06 | 1980-08-06 | MAGNETIC REGISTRATION MATERIAL. |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5625230A (en) |
| DE (1) | DE3029818A1 (en) |
| FR (1) | FR2463476B1 (en) |
| GB (1) | GB2057471B (en) |
| NL (1) | NL8004482A (en) |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56122802A (en) * | 1980-03-03 | 1981-09-26 | Toyo Ink Mfg Co Ltd | Radiation-curable resin composition |
| CA1167408A (en) * | 1980-09-22 | 1984-05-15 | Hao-Jan Chang | Electron beam curing of magnetic media |
| DE3207293A1 (en) * | 1981-03-03 | 1982-11-04 | Memorex Corp., 95052 Santa Clara, Calif. | Binder layer for magnetic recording tapes |
| JPS583136A (en) * | 1981-06-30 | 1983-01-08 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS5832231A (en) * | 1981-08-20 | 1983-02-25 | Tdk Corp | Dual layer coated magnetic recording media |
| JPS5832232A (en) * | 1981-08-20 | 1983-02-25 | Tdk Corp | Dual layer coated magnetic recording media |
| US4423115A (en) * | 1981-10-23 | 1983-12-27 | Tdk Electronics Co., Ltd. | Magnetic recording medium |
| DE3200970C2 (en) * | 1982-01-14 | 1983-11-24 | Agfa-Gevaert Ag, 5090 Leverkusen | Magnetic storage medium with radiation-curable binders |
| JPS58146024A (en) * | 1982-02-05 | 1983-08-31 | Toyo Ink Mfg Co Ltd | Magnetic recording medium |
| JPS5982628A (en) * | 1982-11-01 | 1984-05-12 | Toyo Ink Mfg Co Ltd | Magnetic recording medium and its manufacturing method |
| JPS60166317A (en) * | 1984-02-09 | 1985-08-29 | Takeda Chem Ind Ltd | Urethane acrylate, and composition for coating and adhesive use and magnetic recording medium containing same |
| DE3332503A1 (en) * | 1983-09-09 | 1985-03-28 | Basf Ag, 6700 Ludwigshafen | MAGNETIC RECORDING CARRIERS |
| DE3332504A1 (en) * | 1983-09-09 | 1985-03-28 | Basf Ag, 6700 Ludwigshafen | MAGNETIC RECORDING CARRIERS |
| US4594262A (en) * | 1984-07-05 | 1986-06-10 | Minnesota Mining And Manufacturing Company | Electron beam adhesion-promoting treatment of polyester film base |
| US4543268A (en) * | 1984-07-05 | 1985-09-24 | Minnesota Mining And Manufacturing Company | Electron-beam adhesion-promoting treatment of polyester film base for magnetic recording media |
| JPH0610856B2 (en) * | 1984-08-04 | 1994-02-09 | ティーディーケイ株式会社 | Magnetic recording medium |
| JP2523279B2 (en) * | 1986-05-02 | 1996-08-07 | ティーディーケイ株式会社 | Magnetic recording medium and method of manufacturing the same |
| US6720025B2 (en) | 2002-07-01 | 2004-04-13 | 3M Innovative Properties Company | Slot extrusion coating methods |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL282882A (en) * | 1962-09-07 | |||
| GB1006140A (en) * | 1963-07-26 | 1965-09-29 | Gevaert Photo Prod Nv | Magnetic recording medium |
| NL131590C (en) * | 1963-09-13 | 1900-01-01 | ||
| DE1907957B2 (en) * | 1969-02-18 | 1977-07-21 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING FLEXIBLE MAGNETOGRAM CARRIERS |
| US3649541A (en) * | 1969-07-10 | 1972-03-14 | Du Pont | Magnetic recording elements containing stabilized chromium dioxide a polyurethane binder and an isocyanate hardening agent |
| GB1304824A (en) * | 1970-09-18 | 1973-01-31 | ||
| JPS4830403A (en) * | 1971-08-21 | 1973-04-21 |
-
1979
- 1979-08-06 JP JP10014479A patent/JPS5625230A/en active Pending
-
1980
- 1980-08-06 GB GB8025719A patent/GB2057471B/en not_active Expired
- 1980-08-06 DE DE19803029818 patent/DE3029818A1/en not_active Withdrawn
- 1980-08-06 NL NL8004482A patent/NL8004482A/en not_active Application Discontinuation
- 1980-08-06 FR FR8017397A patent/FR2463476B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2463476A1 (en) | 1981-02-20 |
| DE3029818A1 (en) | 1981-02-26 |
| FR2463476B1 (en) | 1988-05-20 |
| JPS5625230A (en) | 1981-03-11 |
| GB2057471B (en) | 1983-03-23 |
| GB2057471A (en) | 1981-04-01 |
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Legal Events
| Date | Code | Title | Description |
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| A85 | Still pending on 85-01-01 | ||
| BV | The patent application has lapsed |