JP3543445B2 - Method for producing resin composition for coloring and resin composition for coloring - Google Patents
Method for producing resin composition for coloring and resin composition for coloring Download PDFInfo
- Publication number
- JP3543445B2 JP3543445B2 JP28116695A JP28116695A JP3543445B2 JP 3543445 B2 JP3543445 B2 JP 3543445B2 JP 28116695 A JP28116695 A JP 28116695A JP 28116695 A JP28116695 A JP 28116695A JP 3543445 B2 JP3543445 B2 JP 3543445B2
- Authority
- JP
- Japan
- Prior art keywords
- coloring
- parts
- resin
- pigment
- master batch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004040 coloring Methods 0.000 title claims description 50
- 239000011342 resin composition Substances 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 229920005992 thermoplastic resin Polymers 0.000 claims description 54
- 239000000049 pigment Substances 0.000 claims description 49
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 20
- 125000003368 amide group Chemical group 0.000 claims description 19
- 125000003277 amino group Chemical group 0.000 claims description 19
- 125000004018 acid anhydride group Chemical group 0.000 claims description 18
- 238000004898 kneading Methods 0.000 claims description 16
- 150000001875 compounds Chemical class 0.000 claims description 15
- 239000000155 melt Substances 0.000 claims description 5
- 239000004594 Masterbatch (MB) Substances 0.000 description 66
- -1 polyethylene Polymers 0.000 description 45
- 229920005989 resin Polymers 0.000 description 36
- 239000011347 resin Substances 0.000 description 36
- 239000001993 wax Substances 0.000 description 24
- 239000000203 mixture Substances 0.000 description 19
- 229920001155 polypropylene Polymers 0.000 description 19
- 239000004743 Polypropylene Substances 0.000 description 18
- 230000000052 comparative effect Effects 0.000 description 17
- 239000000835 fiber Substances 0.000 description 14
- 239000002585 base Substances 0.000 description 13
- 229920001577 copolymer Polymers 0.000 description 12
- 238000009987 spinning Methods 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 10
- 229920001778 nylon Polymers 0.000 description 10
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 9
- 239000005977 Ethylene Substances 0.000 description 9
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 9
- 229920000139 polyethylene terephthalate Polymers 0.000 description 9
- 239000005020 polyethylene terephthalate Substances 0.000 description 9
- 229920005672 polyolefin resin Polymers 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 239000004677 Nylon Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 8
- 239000002245 particle Substances 0.000 description 8
- 229920000573 polyethylene Polymers 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 239000004711 α-olefin Substances 0.000 description 8
- 239000000976 ink Substances 0.000 description 7
- 230000014759 maintenance of location Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 229920002292 Nylon 6 Polymers 0.000 description 6
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 6
- 239000002270 dispersing agent Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 229920006026 co-polymeric resin Polymers 0.000 description 5
- 238000002156 mixing Methods 0.000 description 5
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 239000004716 Ethylene/acrylic acid copolymer Substances 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 4
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 4
- 229920006122 polyamide resin Polymers 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- ZRJOUVOXPWNFOF-UHFFFAOYSA-N 3-dodecoxypropan-1-amine Chemical compound CCCCCCCCCCCCOCCCN ZRJOUVOXPWNFOF-UHFFFAOYSA-N 0.000 description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 3
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 150000004985 diamines Chemical class 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- HKUFIYBZNQSHQS-UHFFFAOYSA-N n-octadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC HKUFIYBZNQSHQS-UHFFFAOYSA-N 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920001225 polyester resin Polymers 0.000 description 3
- 239000004645 polyester resin Substances 0.000 description 3
- 230000010349 pulsation Effects 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- MLPVBIWIRCKMJV-UHFFFAOYSA-N 2-ethylaniline Chemical compound CCC1=CC=CC=C1N MLPVBIWIRCKMJV-UHFFFAOYSA-N 0.000 description 2
- KDSNLYIMUZNERS-UHFFFAOYSA-N 2-methylpropanamine Chemical compound CC(C)CN KDSNLYIMUZNERS-UHFFFAOYSA-N 0.000 description 2
- JJYPMNFTHPTTDI-UHFFFAOYSA-N 3-methylaniline Chemical compound CC1=CC=CC(N)=C1 JJYPMNFTHPTTDI-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- JGFZNNIVVJXRND-UHFFFAOYSA-N N,N-Diisopropylethylamine (DIPEA) Chemical compound CCN(C(C)C)C(C)C JGFZNNIVVJXRND-UHFFFAOYSA-N 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- NRCMAYZCPIVABH-UHFFFAOYSA-N Quinacridone Chemical compound N1C2=CC=CC=C2C(=O)C2=C1C=C1C(=O)C3=CC=CC=C3NC1=C2 NRCMAYZCPIVABH-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 229920001898 acrylonitrile–EPDM–styrene Polymers 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- IFDVQVHZEKPUSC-UHFFFAOYSA-N cyclohex-3-ene-1,2-dicarboxylic acid Chemical compound OC(=O)C1CCC=CC1C(O)=O IFDVQVHZEKPUSC-UHFFFAOYSA-N 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- CGPRUXZTHGTMKW-UHFFFAOYSA-N ethene;ethyl prop-2-enoate Chemical compound C=C.CCOC(=O)C=C CGPRUXZTHGTMKW-UHFFFAOYSA-N 0.000 description 2
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 2
- BTCSSZJGUNDROE-UHFFFAOYSA-N gamma-aminobutyric acid Chemical compound NCCCC(O)=O BTCSSZJGUNDROE-UHFFFAOYSA-N 0.000 description 2
- SEPFQHJECFKHGD-UHFFFAOYSA-N henicos-2-ene Chemical group CCCCCCCCCCCCCCCCCCC=CC SEPFQHJECFKHGD-UHFFFAOYSA-N 0.000 description 2
- 239000011256 inorganic filler Substances 0.000 description 2
- 229910003475 inorganic filler Inorganic materials 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 229920000554 ionomer Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RNVCVTLRINQCPJ-UHFFFAOYSA-N o-toluidine Chemical compound CC1=CC=CC=C1N RNVCVTLRINQCPJ-UHFFFAOYSA-N 0.000 description 2
- UTOPWMOLSKOLTQ-UHFFFAOYSA-N octacosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC(O)=O UTOPWMOLSKOLTQ-UHFFFAOYSA-N 0.000 description 2
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- RZXMPPFPUUCRFN-UHFFFAOYSA-N p-toluidine Chemical compound CC1=CC=C(N)C=C1 RZXMPPFPUUCRFN-UHFFFAOYSA-N 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 229920001230 polyarylate Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920001195 polyisoprene Polymers 0.000 description 2
- 229920006324 polyoxymethylene Polymers 0.000 description 2
- 229920005673 polypropylene based resin Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229940037312 stearamide Drugs 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- OGNSCSPNOLGXSM-UHFFFAOYSA-N (+/-)-DABA Natural products NCCC(N)C(O)=O OGNSCSPNOLGXSM-UHFFFAOYSA-N 0.000 description 1
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 description 1
- XVOUMQNXTGKGMA-OWOJBTEDSA-N (E)-glutaconic acid Chemical compound OC(=O)C\C=C\C(O)=O XVOUMQNXTGKGMA-OWOJBTEDSA-N 0.000 description 1
- 239000001124 (E)-prop-1-ene-1,2,3-tricarboxylic acid Substances 0.000 description 1
- JTQQDDNCCLCMER-CLFAGFIQSA-N (z)-n-[(z)-octadec-9-enyl]octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCNCCCCCCCC\C=C/CCCCCCCC JTQQDDNCCLCMER-CLFAGFIQSA-N 0.000 description 1
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 1
- BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 description 1
- PMUPSYZVABJEKC-UHFFFAOYSA-N 1-methylcyclohexane-1,2-dicarboxylic acid Chemical compound OC(=O)C1(C)CCCCC1C(O)=O PMUPSYZVABJEKC-UHFFFAOYSA-N 0.000 description 1
- AYORTOFSIKLNIK-UHFFFAOYSA-N 1-n-[2-(dimethylamino)ethyl]-2-n,2-n-dimethylpropane-1,2-diamine Chemical compound CN(C)C(C)CNCCN(C)C AYORTOFSIKLNIK-UHFFFAOYSA-N 0.000 description 1
- PRPINYUDVPFIRX-UHFFFAOYSA-N 1-naphthaleneacetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CC=CC2=C1 PRPINYUDVPFIRX-UHFFFAOYSA-N 0.000 description 1
- LEWZOBYWGWKNCK-UHFFFAOYSA-N 2,3-dihydro-1h-inden-5-amine Chemical compound NC1=CC=C2CCCC2=C1 LEWZOBYWGWKNCK-UHFFFAOYSA-N 0.000 description 1
- VVAKEQGKZNKUSU-UHFFFAOYSA-N 2,3-dimethylaniline Chemical compound CC1=CC=CC(N)=C1C VVAKEQGKZNKUSU-UHFFFAOYSA-N 0.000 description 1
- GVJRTUUUJYMTNQ-UHFFFAOYSA-N 2-(2,5-dioxofuran-3-yl)acetic acid Chemical class OC(=O)CC1=CC(=O)OC1=O GVJRTUUUJYMTNQ-UHFFFAOYSA-N 0.000 description 1
- GHKSKVKCKMGRDU-UHFFFAOYSA-N 2-(3-aminopropylamino)ethanol Chemical compound NCCCNCCO GHKSKVKCKMGRDU-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- MVVQNBYRSDXHRF-UHFFFAOYSA-N 2-[2-hydroxyethyl(2-methylpropyl)amino]ethanol Chemical compound CC(C)CN(CCO)CCO MVVQNBYRSDXHRF-UHFFFAOYSA-N 0.000 description 1
- BZUDVELGTZDOIG-UHFFFAOYSA-N 2-ethyl-n,n-bis(2-ethylhexyl)hexan-1-amine Chemical compound CCCCC(CC)CN(CC(CC)CCCC)CC(CC)CCCC BZUDVELGTZDOIG-UHFFFAOYSA-N 0.000 description 1
- LTHNHFOGQMKPOV-UHFFFAOYSA-N 2-ethylhexan-1-amine Chemical compound CCCCC(CC)CN LTHNHFOGQMKPOV-UHFFFAOYSA-N 0.000 description 1
- FTZQXOJYPFINKJ-UHFFFAOYSA-N 2-fluoroaniline Chemical compound NC1=CC=CC=C1F FTZQXOJYPFINKJ-UHFFFAOYSA-N 0.000 description 1
- NJBCRXCAPCODGX-UHFFFAOYSA-N 2-methyl-n-(2-methylpropyl)propan-1-amine Chemical compound CC(C)CNCC(C)C NJBCRXCAPCODGX-UHFFFAOYSA-N 0.000 description 1
- KFXTTZQGCNRYEN-UHFFFAOYSA-N 2-n-octadecylpropane-1,2-diamine Chemical compound CCCCCCCCCCCCCCCCCCNC(C)CN KFXTTZQGCNRYEN-UHFFFAOYSA-N 0.000 description 1
- CJNRGSHEMCMUOE-UHFFFAOYSA-N 2-piperidin-1-ylethanamine Chemical compound NCCN1CCCCC1 CJNRGSHEMCMUOE-UHFFFAOYSA-N 0.000 description 1
- OCXPJMSKLNNYLE-UHFFFAOYSA-N 2-prop-2-enylbutanedioic acid Chemical compound OC(=O)CC(C(O)=O)CC=C OCXPJMSKLNNYLE-UHFFFAOYSA-N 0.000 description 1
- SYIUWAVTBADRJG-UHFFFAOYSA-N 2H-pyran-2,6(3H)-dione Chemical compound O=C1CC=CC(=O)O1 SYIUWAVTBADRJG-UHFFFAOYSA-N 0.000 description 1
- REJGIEGOYWEWPR-UHFFFAOYSA-N 3-(2-methylpropoxy)propan-1-amine Chemical compound CC(C)COCCCN REJGIEGOYWEWPR-UHFFFAOYSA-N 0.000 description 1
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- PYSGFFTXMUWEOT-UHFFFAOYSA-N 3-(dimethylamino)propan-1-ol Chemical compound CN(C)CCCO PYSGFFTXMUWEOT-UHFFFAOYSA-N 0.000 description 1
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- POTQBGGWSWSMCX-UHFFFAOYSA-N 3-[2-(3-aminopropoxy)ethoxy]propan-1-amine Chemical compound NCCCOCCOCCCN POTQBGGWSWSMCX-UHFFFAOYSA-N 0.000 description 1
- SCRPVVLMUUQILK-UHFFFAOYSA-N 3-[2-(dimethylamino)ethoxy]propan-1-amine Chemical compound CN(C)CCOCCCN SCRPVVLMUUQILK-UHFFFAOYSA-N 0.000 description 1
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- WEZAHYDFZNTGKE-UHFFFAOYSA-N 3-ethoxyaniline Chemical compound CCOC1=CC=CC(N)=C1 WEZAHYDFZNTGKE-UHFFFAOYSA-N 0.000 description 1
- XYUINKARGUCCQJ-UHFFFAOYSA-N 3-imino-n-propylpropan-1-amine Chemical compound CCCNCCC=N XYUINKARGUCCQJ-UHFFFAOYSA-N 0.000 description 1
- FAXDZWQIWUSWJH-UHFFFAOYSA-N 3-methoxypropan-1-amine Chemical compound COCCCN FAXDZWQIWUSWJH-UHFFFAOYSA-N 0.000 description 1
- AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical compound CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 description 1
- OFNISBHGPNMTMS-UHFFFAOYSA-N 3-methylideneoxolane-2,5-dione Chemical compound C=C1CC(=O)OC1=O OFNISBHGPNMTMS-UHFFFAOYSA-N 0.000 description 1
- UIKUBYKUYUSRSM-UHFFFAOYSA-N 3-morpholinopropylamine Chemical compound NCCCN1CCOCC1 UIKUBYKUYUSRSM-UHFFFAOYSA-N 0.000 description 1
- WUMMIJWEUDHZCL-UHFFFAOYSA-N 3-prop-2-enyloxolane-2,5-dione Chemical compound C=CCC1CC(=O)OC1=O WUMMIJWEUDHZCL-UHFFFAOYSA-N 0.000 description 1
- UTOXFQVLOTVLSD-UHFFFAOYSA-N 3-propoxypropan-1-amine Chemical compound CCCOCCCN UTOXFQVLOTVLSD-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
- SAIKULLUBZKPDA-UHFFFAOYSA-N Bis(2-ethylhexyl) amine Chemical compound CCCCC(CC)CNCC(CC)CCCC SAIKULLUBZKPDA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- MHZGKXUYDGKKIU-UHFFFAOYSA-N Decylamine Chemical compound CCCCCCCCCCN MHZGKXUYDGKKIU-UHFFFAOYSA-N 0.000 description 1
- XBPCUCUWBYBCDP-UHFFFAOYSA-N Dicyclohexylamine Chemical compound C1CCCCC1NC1CCCCC1 XBPCUCUWBYBCDP-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
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- AOMUHOFOVNGZAN-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)N(CCO)CCO AOMUHOFOVNGZAN-UHFFFAOYSA-N 0.000 description 1
- DJEQZVQFEPKLOY-UHFFFAOYSA-N N,N-dimethylbutylamine Chemical compound CCCCN(C)C DJEQZVQFEPKLOY-UHFFFAOYSA-N 0.000 description 1
- AFBPFSWMIHJQDM-UHFFFAOYSA-N N-methyl-N-phenylamine Natural products CNC1=CC=CC=C1 AFBPFSWMIHJQDM-UHFFFAOYSA-N 0.000 description 1
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- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 229920002873 Polyethylenimine Polymers 0.000 description 1
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- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 239000005700 Putrescine Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- PLZVEHJLHYMBBY-UHFFFAOYSA-N Tetradecylamine Chemical compound CCCCCCCCCCCCCCN PLZVEHJLHYMBBY-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
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Landscapes
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- Pigments, Carbon Blacks, Or Wood Stains (AREA)
Description
【0001】
【発明の属する技術分野】
本発明は、熱可塑性樹脂や被覆剤の着色に用いられる樹脂組成物およびその製造方法に関する。
【0002】
【従来の技術】
従来、熱可塑性樹脂着色用組成物には、顔料と分散剤とを混合した粉末状のドライカラー、常温で液状の分散剤中に顔料を分散させたリキッドカラーまたはペーストカラー、常温で固体の樹脂中に顔料を分散させたペレット状、フレーク状あるいはビーズ状のマスターバッチなどがある。これらの着色用組成物は、用途によって、その特徴を生かして使い分けられているが、これらのうち、取扱いの容易さ、使用時の作業環境保全の面からマスターバッチが好んで用いられている。そして、マスターバッチとして要求される性能も、顔料濃度が高いこと、着色される熱可塑性樹脂の耐熱性や強度などの諸物性に与える影響が小さいことなどと共に、熱可塑性樹脂の成形の精密化、高速化にともない以前にもまして顔料分散性や分配性が求められるようになった。
【0003】
マスターバッチに顔料分散性を付与する分散剤としては、ステアリン酸、ステアリン酸亜鉛、ステアリン酸マグネシウム、ステアリン酸アルミニウム、ステアリン酸カルシウム、エチレンビスアマイド、ポリエチレンワックス、ポリプロピレンワックス、およびこれらの誘導体、例えば酸変性体や水酸基変性体からなるワックス等が1種または2種以上が一般的に用いられている。しかし、例えば、熱可塑性樹脂を10数ミクロン径で高速紡糸したり、フィルム化する場合など高度な顔料分散が求められる場合には、上記分散剤では満足されないことがある。すなわち、顔料分散不良による紡糸時の糸切れ、溶融紡糸機のフィルターの目詰まり、フィルムでの成形不良などである。これらの問題を解決するために、マスターバッチの加工方法の改良や強力混練機により顔料分散性を向上させる努力が行われてきた。しかし、上記の問題を解決するために十分な顔料分散能を発揮するものではなかった。
【0004】
また、従来着色ペレットが使用されてきた大型射出成形分野において、マスターバッチによる着色が増えてきたことに伴い、成形品の色ムラやフローマークが問題となってきた。従来よりマスターバッチによる着色が施されてきたブロー成形やフィルム成形では、樹脂とマスターバッチの可塑化、混合及び混練は成形機の押出機部分で行われる。射出成形機の場合、可塑化、混合、混練工程は、スクリューの後退するシリンダー内で行われるが、混練力は押出機に比べ十分ではなく、成形サイクルの短縮、成形樹脂の低粘度化に伴い混練力は小さくなっており、その結果、成形品の表面に色ムラが発生しやすくなってきた。加えて、着色のコストダウンを目的に推進されてきた、マスターバッチの顔料含有率を上げた高濃度マスターバッチの出現による、被着色樹脂へのマスターバッチの添加量の減少で、色ムラやフローマークの発生はより起こり易くなってきた。
【0005】
加えて、この問題は、各種熱可塑性樹脂で認められるが、家電や自動車部品で使用量が増えてきたポリプロピレン系の樹脂で顕著であり、早急な解決が求められてきた。この問題を解決するため、マスターバッチの主要3成分(顔料、分散剤及びベースレジン)のうち、分散剤の含有量を増やしたり、あるいはベースレジンを被着色樹脂の粘度より小さいものを使用するなどマスターバッチの溶融粘度をより低くすることで色ムラを解消することが行われてきた。
しかし、例えば、ポリプロピレン系の樹脂で無機フィラーを充填されたものや、薄肉成形を目的にメルトフローレート(以下MFRという)が25を超えるものは、色ムラやフローマークが発生し易く、この問題の解決が待たれている。
【0006】
【発明が解決しようとする課題】
本発明は、上記の種々の欠点を改良し、色相、着色力、分散性、耐水性、耐熱性、耐候性等に優れ、各種物性低下や色ムラのない均一な着色が可能な着色用樹脂組成物の提供を目的とする。
【0007】
【課題を解決するための手段】
すなわち、本発明の第1の発明は、顔料(a)0.01〜90重量%、カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)1〜90重量%を予め混練分散した後に、アミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)0.1〜60重量%を加えて混練分散することを特徴とする着色用樹脂組成物の製造方法である。
第2の発明は、顔料(a)0.01〜90重量%、カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)1〜90重量%を予め混練分散した後に、アミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)0.1〜60重量%及び他の熱可塑性樹脂(d)0.1〜98重量%を加えて混練分散することを特徴とする着色用樹脂組成物の製造方法である。
【0008】
第3の発明は、他の熱可塑性樹脂(d)のメルトフローレートが0.1〜400の範囲にあることを特徴とする第2の発明に記載の着色用樹脂組成物の製造方法である。
第4の発明は、第1〜第3の発明いずれかに記載の着色用樹脂組成物の製造方法で得られる着色用樹脂組成物である。
第5の発明は、第4の発明に記載の着色用樹脂組成物を用いて得られる成形品である。
【0009】
本発明の着色用樹脂組成物は、顔料の分散性及び着色力に富むものであるが、これはカルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)中のカルボキシル基あるいは酸無水物基が顔料に対する親和性に富むためと考えられる。すなわち、カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)中のカルボキシル基あるいは酸無水物基と顔料中の塩基性基等の間に極性的な結合が多数形成され、その回りを樹脂の疎水性部分が包む保護コロイド的なコア/シェル構造が形成されることによって、顔料粒子の二次凝集を防止しているものと考えられる。しかし、顔料粒子に未吸着のカルボキシル基あるいは酸無水物基が過剰である場合、非極性樹脂中では会合等の凝集が引き起こされ、成形樹脂中への分配が不良となる。従って、この過剰の極性部を塩基性物質であるアミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)で中和して非極性化することにより、解膠性を促進させ、再分散を良好にしているものと考えられる。
【0010】
【発明の実施の形態】
顔料(a)としては、従来から、印刷インキ、塗料あるいは熱可塑性樹脂の着色に使用されている公知の有機顔料および無機顔料が特に制限なく使用できる。有機顔料としては、アゾ系,アントラキノン系,フタロシアニン系,キナクリドン系,イソインドリノン系,ジオキサン系,ベリレン系,キノフタロン系,ベリノン系などの顔料が挙げられる。無機顔料としては、硫化カドミウム,セレン化カドミウム,群青,二酸化チタン,酸化鉄,酸化クロム酸塩,カーボンブラックなどが挙げられる。
顔料(a)は、乾燥粉末顔料、あるいは水を含有した乾燥前の顔料ウエットケーキ(顔料の水性湿潤ケーキ、フィルターケーキ、プレスケーキとも言う)及びこれらの混合物のいずれであっても良く、着色用樹脂組成物中に0.01〜90重量%含有される。0.01重量%未満では目的の色相や着色力が得られず、一方、90重量%を越えると分散性や加工性等に問題が起きる。
【0011】
カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)は、共重合やグラフト変性によりカルボキシル基あるいは酸無水物基が導入された熱可塑性樹脂及び/またはワックスであり、着色される熱可塑性樹脂と相溶性の良いものであれば特に制限なく使用できる。
カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)は、着色用樹脂組成物中に1〜90重量%含有される。含有量が1重量%未満では顔料の分散性や加工性に問題が生じ、90重量%を越えると耐水性、耐熱性、耐候性等に問題が生じる。
【0012】
共重合によりカルボキシル基あるいは酸無水物基が導入された熱可塑性樹脂のうち、ポリオレフィン系樹脂としては、例えばエチレン・アクリル酸共重合体,エチレン・メタクリル酸共重合体,エチレン・αオレフィン・アクリル酸共重合体,エチレン・αオレフィン・無水マレイン酸共重合体,エチレン・メチルアクリレート・アクリル酸共重合体,エチレン・エチルアクリレート・無水マレイン酸共重合体,プロピレン・アクリル酸共重合体,プロピレン・無水マレイン酸共重合体、プロピレン・αオレフィン・無水マレイン酸共重合体,αオレフィン・無水マレイン酸共重合体等の共重合体樹脂やそれぞれのアイオノマー樹脂が挙げられる。また、ポリオレフィン系以外の樹脂としては、スチレン・アクリル酸共重合体,α−メチルスチレン・アクリル酸共重合体,スチレン・無水マレイン酸共重合体等のポリスチレン系共重合体樹脂が挙げられる。
【0013】
グラフト変性によりカルボキシル基あるいは酸無水物基が導入された熱可塑性樹脂としては、例えばエチレン,プロピレン,ポリブテン,エチレン・プロピレン共重合体,エチレン・αオレフィン共重合体,プロピレン・αオレフィン共重合体等の未変性のポリオレフィン系樹脂や、ポリエチレンテレフタレートやポリジエン系のポリブチレンテレフタレート等のポリエステル,ナイロン等のポリアミド樹脂,ポリブタジエン,ポリイソプレン,ポリネオプレン等のジエン系樹脂等のポリオレフィン系以外の樹脂に、一塩基酸や二塩基酸あるいはそれらの酸無水物でグラフト変性を施した樹脂等が挙げられる。
【0014】
また、カルボキシル基あるいは酸無水物基を有するワックスとしては、上記樹脂を熱分解することにより得られた熱分解型ワックスや、上記樹脂のように共重合やグラフト変性した重合型のワックス等が挙げられる。
共重合やグラフト変性に使用される一塩基酸や二塩基酸あるいはそれらの酸無水物としては、重合性不飽和二重結合を有するカルボン酸類が挙げられる。より具体的には、例えば、アクリル酸,メタクリル酸,マレイン酸,フマル酸,イタコン酸,テトラヒドロフタル酸,クロトン酸,シトラコン酸,ハイミック酸,アリルコハク酸,メサコン酸,グルタコン酸,テトラヒドロフタール酸,メチルヘキサヒドロフタール酸,アコニット酸,無水マレイン酸,無水イタコン酸,無水シトラコン酸,無水ハイミック酸,無水アリルコハク酸,無水グルタコン酸,無水テトラヒドロフタール酸,無水メチルヘキサヒドロフタール酸,無水アコニット酸等が挙げられ、1種もしくは2種以上が用いられるが、アクリル酸,メタクリル酸,無水マレイン酸が工業的に有利である。
【0015】
アミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)は、分子内に1つ以上のアミノ基あるいはアミド基を持つものであり、着色される熱可塑性樹脂と相溶性の良いものであれば、特に制限なく使用できるが、炭素数10以上のアミノ基あるいはアミド基を含有する化合物及び/または熱可塑性樹脂が好適に用いられる。
アミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)は、着色用樹脂組成物中に0.1〜60重量%含有される。含有量が0.1重量%未満では成形品の色ムラやシルバーストークに問題が生じ、60重量%を越えると成形物の黄変性、耐水性、耐熱性、耐候性等に問題が生じる。
【0016】
アミノ基あるいはアミド基を有する化合物のうち、1級モノアミン類としては、例えば、メチルアミン,エチルアミン,プロピルアミン,イソプロピルアミン,ブチルアミン,イソブチルアミン,アミルアミン,ヘキシルアミン,ヘプチルアミン,オクチルアミン,2−エチルヘキシルアミン,ジイソブチルアミン,ノニルアミン,デシルアミン,アニリン,ベンジルアミン,o−トルイジン,2−エチルアニリン,2−フルオロアニリン,o−アニシジン,m−トルイジン,m−アニシジン,m−フェネチジン,p−トルイジン,2,3−ジメチルアニリン,5−アミノインダン,3−イソブトキシプロピルアミン,3−メトキシプロピルアミン,3−プロポキシプロピルアミン,3−ブトキシプロピルアミン,3−(2−エチルヘキシルオキシ)プロピルアミン,3−デシルオキシプロピルアミン,ラウリルアミン,ミリスチルアミン,セチルアミン,ココナットアミン,ステアリルアミン,オクチルアミン,オレイルアミン,3−ラウリルオキシプロピルアミン,3−ミリスチルオキシプロピルアミン,牛脂アミン,ポリオキシプロピレンアミン,ポリオキシエチレンアミン,ロジンアミン等が挙げられる。
【0017】
2級モノアミン類としては、ジメチルアミン,ジエチルアミン,ジブチルアミン,N−(1−メチルプロピル)−2−ブタンアミン,N,N−ジメチルブチルアミン,ジ−n−オクチルアミン,ジ−(2−エチルヘキシル)アミン,N,N−ジブチル−2−エチルヘキシルアミン,ジオレイルアミン,ジラウリルアミン,ジステアリルアミン,ポリオキシエチレンラウリルアミン,ポリオキシエチレンステアリルアミン等が挙げられる。
3級モノアミン類としては、トリブチルアミン,トリ−n−オクチルアミン,トリ−(2−エチルヘキシル)アミン,N,N−ジイソプロピルエチルアミン,3−ジメチルアミノプロパノール,N−イソブチルジエタノールアミン,ジメチルココナットアミン,ジメチルオクチルアミン,ジメチルデシルアミン,ジメチルラウリルアミン,ジメチルミリスチルアミン,ジメチルパルミチルアミン,ジメチルステアリルアミン等が挙げられる。
【0018】
ジアミン類としては、1,2−ジアミノプロパン,メチルアミノプロピルアミン,ジエチルアミノエチルアミン,エチルアミノエチルアミン,ジメチルアミノプロピルアミン,ジブチルアミノプロピルアミン,N,N,N’,N’−テトラメチル−1,3−ジアミノプロパン,2−ヒドロキシエチルアミノプロピルアミン,ビス−(3−アミノプロピル)エ−テル,ジメチルアミノエトキシプロピルアミン,1,2−ビス−(3−アミノプロポキシ)エタン,1.3−ビス−(3−アミノプロポキシ)−2,2−ジメチルプロパン,α,ω−ビス−(3−アミノプロピル)−ポリエチレングリコールエーテル,1,4−ジアミノブタン,ラウリルアミノプロピルアミン,エチレンジアミン,N,N,N’,N’−テトラメチルヘキサメチレンジアミン,N,N−ジ−t−ブチルエチレンジアミン,N−アミノエチルピペリジン,N−アミノエチル−4−ピペコリン,N−アミノメチルピペリジン,N−アミノプロピル−2−ピペコリン,N−アミノメチルモルホリン,N−アミノプロピルモルホリン,4,4−ジアミノジシクロヘキシルメタン,ジシクロヘキシルアミン,ポリオキシプロピレンジアミン,ポリオキシエチレンジアミン,メタキシレンジアミン,ステアリルプロピレンジアミン,牛脂プロピレンジアミン,ポリオキシエチレンステアリルプロピレンジアミン等が挙げられる。
【0019】
その他のアミノ基あるいはアミド基を有する化合物としては、イミノビスプロピルアミン,メチルイミノビスプロピルアミン,N,N,N’,N’,N’−ペンタメチルジエチレントリアミン,ポリエチレンイミン等のポリアミン類、アスパラギン酸,グルタミン酸,γ−アミノ酪酸等のアミノ酸類、ココナットアミンアセテート,ステリルアミンアセテート等のアンモニウム塩類、ステアリン酸アミド,パルミチン酸アミド,ココナットアミド,オレイン酸アミド,エチレンビスラウリン酸アミド,エチレンビスステアリン酸アミド,ラウリン酸ジエタノールアミド,ヤシ油脂肪酸ジエタノールアミド等の脂肪族アミド類が挙げられる。また、アミノ基あるいはアミド基を有する熱可塑性樹脂としては、重合脂肪酸や天然脂肪酸とポリアミンとの重合で作成される分子中に1つ以上のアミノ基またはアミド基を保持する熱可塑性ポリアミド樹脂、並びにその混合物や変性物等が挙げられる。
【0020】
他の熱可塑性樹脂(d)としては、メルトフローレート(以下、MFRという)が0.1〜400の樹脂が好適に用いられる。MFRが0.1以下では、得られる着色用樹脂組成物の溶融粘度が高過ぎるため、印刷インキや塗料等の被覆剤の着色に用いた場合に着色不良が発生したり、熱可塑性樹脂の着色に用いた場合に色ムラやフローマークが発生する場合がある。一方、MFRが400以上になると、被覆剤や熱可塑性樹脂等の着色に用いた場合にブリードを起こしたり、耐候性あるいは耐熱性等に悪影響を及ぼすことがある。
他の熱可塑性樹脂(d)は、着色用樹脂組成物中に0.1〜98重量%含有される。0.1重量%以下では被着色樹脂との相溶性に問題が生じ、色ムラや筋目の原因となり、98重量%以上では目的の色相や着色性を得ることができない。
【0021】
他の熱可塑性樹脂(d)のうち、ポリオレフィン系樹脂としては、結晶性または非晶性ポリプロピレン、低密度または高密度ポリエチレン、エチレン・プロピレンのランダム、ブロックあるいはグラフト共重合体、1−ブテンのエチレンやプロピレンの共重合体、α−オレフィンとエチレンあるいはプロピレンの共重合体、エチレン・酢酸ビニル共重合体、エチレン・アクリル酸メチル共重合体、エチレン・アクリル酸エチル共重合体等が挙げられ、これらの1種もしくは2種以上が用いられる。
【0022】
また、ポリオレフィン系以外の樹脂としては、ポリメチルペンテン、ポリスチレン、ポリエチレンテレフタレートやポリジエン系のポリブチレンテレフタレート等のポリエステル、アクリロニトリル−ブタジエン−スチレン(ABS)樹脂、アクリロニトリル−EPDM−スチレン(AES)樹脂、ナイロン、その他アクリル系樹脂、ポリブタジエン、ポリアミド、ポリカーボネート、ポリアセタール、ポリアリレート、ポリ酢酸ビニル、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリウレタン等の熱可塑性樹脂等が挙げられ、これらの1種もしくは2種以上が用いられる。
なお、他の熱可塑性樹脂(d)の形状は、特に限定されるものではなく、粉体状であってもペレット状であっても良い。
【0023】
本発明の着色用樹脂組成物は、以下のようにして製造することができる。
顔料(a)として乾燥粉末顔料を用いる場合には、予め、乾燥粉末顔料と、カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)との二成分を、必要に応じて界面活性剤やその他添加剤を加えて、ヘンシェルミキサー等で混合し、ニーダー、ロールミル、押出機で溶融混練分散し、その後にアミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)を加えて溶融混練分散する。
【0024】
あるいは、予め、乾燥粉末顔料、水、カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)の三成分を、必要に応じて界面活性剤やその他添加剤を加えて、ヘンシェルミキサーやディスパー等で混合し、フラッシャー、ニーダー、押出機、ロールミル、ボールミル、スチールミル、サンドミル、アトライター、ハイスピードミキサー、ホモミキサー等に仕込み、加熱混練を行い、次いで残留している水分の除去を常圧または減圧下で蒸発させて行い、その後にアミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)を加えて溶融混練分散する。この方法では、乾燥粉末顔料および水を用いる代わりに、顔料ウェットケーキを用いることができる。
【0025】
その他、顔料(a)と、カルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)との二成分を、必要に応じて界面活性剤やその他添加剤を加えて、ヘンシェルミキサー等で混合し、同方向同回転型二軸押出機に供給し、サイドフィーダーや他の吸入装置を使用して、途中からアミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)を供給することによって、溶融混練分散を1行程で行うこともできる。
【0026】
本発明の着色用樹脂組成物の製造工程においては、顔料(a)とカルボキシル基あるいは酸無水物基を有する熱可塑性樹脂及び/またはワックス(b)を予め溶融混練分散した後に、アミノ基あるいはアミド基を有する化合物及び/または熱可塑性樹脂(c)を供給し、溶融混練分散する。(a),(b),(c)を同時に配合した場合には、カルボキシル基等の酸性極性基がアミン等の塩基性極性基で中和され、分散性や加工性に問題を生じる可能性がある。また、逆に(a),(c)を先に溶融加熱混練し、その後(b)を加えて溶融加熱混練をした場合には、分散性だけでなく、耐候性や機械物性及び色ムラ等に問題が生じる可能性がある。
【0027】
他の熱可塑性樹脂(d)は、(a)及び(b)を混合、分散した後に、添加、混合、分散してもよいし、(a)及び(b)と共に混合、分散してもよい。
本発明の着色用樹脂組成物は、印刷インキ用ワニス、塗料用バインダーあるいは熱可塑性樹脂に添加して希釈混練することによって、ほとんどすべての印刷インキ、塗料や熱可塑性樹脂の着色に供することができる。本発明の着色用樹脂組成物は、例えば、ポリオレフィン樹脂、アクリル樹脂、アルキッド樹脂、ビニル樹脂、ポリエステル樹脂、ポリアミド樹脂、ポリイミド樹脂、ABS樹脂、ポリスチレン樹脂、ポリウレタン樹脂、フェノール樹脂、アミノ樹脂、ポリエーテル樹脂、ポリカーボネート樹脂、ポリアセタール樹脂、ポリアリレート樹脂、エポキシ樹脂、ポリサルフォン樹脂や、ポリブタジエン、ポリイソプレン等のエラストマーに配合することができる。
【0028】
本発明の着色用樹脂組成物は、塗料、印刷インキ及び熱可塑性樹脂の着色以外に、滑材、ホットメルト樹脂、感熱インキ、接着剤等の着色にも使用することができる。
本発明の着色用樹脂組成物には、本発明の効果を阻害しない範囲で、官能基変性、架橋変性やグラフト化及びブロック化変性による熱可塑性樹脂ないしはその誘導体、あるいは熱分解による低重合体樹脂やワックス等の各種熱可塑性樹脂や、少量の酸化防止剤,紫外線吸収剤等の安定剤や界面活性剤などの各種の添加剤を添加することもできる。
【0029】
【実施例】
以下、本発明を具体的に実施例をもって説明する。例中、部とは重量部を、%とは重量%をそれぞれ表す。
[実施例1]
エチレン・アクリル酸共重合体ワックス「A−C540」(アライドシグナル社製)50部およびフタロシアニンブルー「リオノーブル−FG7330」(東洋インキ製造社製)50部を混合し、3本ロールミルで130℃で加熱混練をしてミルベース(顔料組成物)を得た。得られたミルベース100部とステアリルアミン20部とをポリプロピレン「三井ハイポールJ900P」(三井石油化学工業社製,MFR=40)100部とヘンシェルミキサーで混合してスクリュー径65mmの単軸押出機でペレット化し、マスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。ポリプロピレン「三井ハイポールJ800」(三井石油化学工業社製,MFR=22)100部に、得られたマスターバッチ3部を混合して、縦型テスト紡糸機「スピニングテスター」(富士フィルター社製)にて、ホッパー下230℃、混練部、ダイス部230℃で紡糸後3倍延伸を行い、5デニールのポリプロピレン繊維を得た。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。
【0030】
[参考例1]
エチレン・アクリル酸共重合体ワックス「A−C540」50部、フタロシアニンブルー「リオノーブル−FG7330」50部およびステアリルアミン20部を混合し、実施例1と同様にしてミルベースを得た後、ポリプロピレン「三井ハイポールJ900P」100部と混合し、実施例1と同様にしてマスターバッチを作成した。この際若干の脈流は生じたもののマスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、紡糸性、目詰まり性に若干の問題が生じたものの、延伸性は問題なく6デニールのポリプロピレン繊維を得ることができた。
【0031】
[参考例2]
フタロシアニンブルー「リオノーブル−FG7330」50部およびステアリルアミン20部を混合し、実施例1と同様にしてミルベースを得た後、エチレン・アクリル酸共重合体ワックス「A−C540」50部とポリプロピレン「三井ハイポールJ900P」100部を加えて実施例1と同様にしてマスターバッチを作成したところ、脈流や若干のストランド切れを生じたもののマスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、目詰まり性に若干の問題が生じたものの、紡糸性、延伸性は問題なく6デニールのポリプロピレン繊維を得ることができた。
【0032】
[比較例1]
ステアリルアミンを添加しない以外は、実施例1と同様にしてマスターバッチを作成した。この際若干のストランド切れや脈流を生じたが、マスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、分散不良のため糸切れが発生した。
【0033】
[実施例2]
αオレフィン・無水マレイン酸共重合体樹脂「ダイヤカルナPA30」(三菱化学社製)50部およびフタロシアニンブルー「リオノーブル−FG7330」(東洋インキ製造社製)50部を混合し、ニーダーで120℃で1時間加熱混練をした後、ステアリン酸アミド25部を加えて1時間加熱混練をしてミルベース(顔料組成物)を得た。得られたミルベース125部とポリエチレン「三菱ポリエチLJ905」(三菱化学社製、MFR=50)40部とをヘンシェルミキサーで混合してスクリュー径65mmの単軸押出機でペレット化し、マスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、5デニールのポリプロピレン繊維を得ることができた。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。
【0034】
[比較例2]
ステアリン酸アミドを添加しない以外は、実施例4と同様にしてマスターバッチを作成した。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、7デニールのポリプロピレン繊維を得ることができた。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。
【0035】
[実施例3]
エチレン・メタクリル酸共重合体樹脂「ニュクレルN1560」(三井・デュポン・ポリケミカル社製,MFR=60)60部およびフタロシアニンブルー「リオノーブル−FG7330」(東洋インキ製造社製)40部をヘンシェルミキサーでプレミックスし、スクリュー径30mm、L/D値38の二軸同方向回転型スクリュー押出機に供給し、回転数350rpm、設定温度163℃の条件で練肉・押出し、更にシリンダーの途中からサイドフィーダーを使用してジステアリルアミンを毎分5部の速度で供給しながら、ペレタイザーでカットし、マスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、6デニールのポリプロピレン繊維を得ることができた。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。
【0036】
[比較例3]
ジステアリルアミンを供給しない以外は、実施例3と同様にしてマスターバッチを得た。この際若干のストランド切れや脈流を生じたが、マスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、分散不良のため糸切れが発生した。
【0037】
[実施例4]
エチレン・エチルアクリレート・無水マレイン酸共重合体樹脂「ボンダインHX8210」(住友化学工業社製、MFR=200)50部およびフタロシアニンブルーの水性湿潤ケーキ「リオノールブルーFG7334P」(東洋インキ製造社製、顔料分45%)111部をニーダーに入れて、150℃に加熱して混練した。1時間後に樹脂が軟化すると共に、水分は蒸発し、顔料水性湿潤ケーキ中の顔料に樹脂が吸着して転相して次第に高粘度となった。更にポリオキシエチレンステアリルアミン「アミート302」(花王社製)20部を添加し、引き続き加熱混練すると、残留水分が蒸発するに伴い、2時間後に極めて高粘度となり、フラッシング及び分散が完了した。続いて、常温まで急激に冷却し、混練に引き続き粉砕を行い、数mmの粒子径になったところでこのミルベースを取り出して作業を終了させた。得られたミルベース100部とポリエチレン「出光ポリエチ5064G」(出光石油化学社製、MFR=40)100部とをヘンシェルミキサーで混合してスクリュー径65mmの単軸押出機でペレット化し、マスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、5デニールのポリプロピレン繊維を得ることができた。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。
【0038】
[比較例4]
ポリオキシエチレンステアリルアミンを添加しない以外は、実施例4と同様にしてマスターバッチを作成した。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて実施例1と同様に紡糸したところ、樹脂の相溶性不良のため糸切れが発生した。
【0039】
[実施例5]
マレイン化プロピレンワックス「ユーメックス1010」(三洋化成工業社製)40部、酸化チタン「タイペークCR−80」(石原産業社製)30部、カーボンブラック「三菱カーボン#44」(三菱化学社製)5部、キナクリドンレッド「ファストゲンスーパーマゼンタRE03」(大日本インキ化学工業社製)5部、フタロシアニンブルー「リオノーブル−POBS」(東洋インキ製造社製)15部およびフタロシアニングリーン「リオノーグリーン2Y301」(東洋インキ製造社製)5部をヘンシェルミキサーでプレミックスし、二軸同方向回転スクリュー押出機として、スクリュー径30mm、L/D値42、回転数300rpmの押出機を用い、設定温度160℃で脱水・練肉・押出した後、顔料のミルベースを得た。得られたミルベース100部をポリプロピレン・ポリエチレン共重合体樹脂「三井ハイポールJ940P」(三井石油化学工業社製,MFR=55)100部とアミノ基およびアミド基を有するポリアミド樹脂「トーマイド#535」(富士化成工業社製)10部とともにヘンシェルミキサーで混合してスクリュー径45mmの単軸押出機でペレット化し、マスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて、実施例1と同様に紡糸したところ、6デニールのポリプロピレン繊維を得ることができた。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。
【0040】
[比較例5]
アミノ基およびアミド基を有するポリアミド樹脂の代わりにポリプロピレンワックス「ビスコール660P」(三洋化成工業社製)を用いた以外は、実施例5と同様にしてマスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて実施例1と同様にして紡糸を行ったが、目詰まりによる糸切れが発生した。
【0041】
[実施例6]
亜鉛アイオノマーワックス「A−C291A」(アライドシグナル社製)10部、フタロシアニンブルー「リオノールブル−7110V」(東洋インキ製造社製)50部、ポリエステル樹脂「バイロンGM900」(東洋紡績社製,MFR=2)10部、ポリエチレンテレフタレート「ユニペットRT543」(日本ユニペット社製,MFR=0.5)27部およびモンタン酸の部分ケン化物「LuwaxOP」(BASF社製,ケン化価:150mgKOH/g)3部を混合し、実施例1と同様にしてミルベースを得、更に3−ラウリルオキシプロピルアミン(広栄化学社製)5部を加えてマスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。ポリエチレンテレフタレート「ユニペットRT543」(日本ユニペット社製,MFR=0.5)100部に、得られたマスターバッチ3部を混合して、実施例1と同様の縦型テスト紡糸機にて、ホッパー下230℃、混練部、ダイス部230℃で紡糸後4倍延伸を行い、その後140℃にて熱処理を行って、3デニールのポリエステル繊維を得た。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。マスターバッチ無添加のポリエチレンテレフタレートの極限粘度0.735dl/gに対して得られた繊維の極限粘度は0.724dl/gであり、極限粘度保持率は98.5%であった。
【0042】
[比較例6]
3−ラウリルオキシプロピルアミンを加えない以外は、実施例6と同様にしてマスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用いて実施例6と同様にして紡糸を行ったところ、目詰まりによる糸切れが発生した。マスターバッチ無添加のポリエチレンテレフタレートの極限粘度0.735dl/gに対して得られたポリエステル繊維の極限粘度は0.664dl/gであり、極限粘度保持率は90.3%であった。
【0043】
[実施例7]
エチレン・アクリル酸共重合体樹脂「プリマコール3460」(ダウ・ケミカル日本社製,MFR=20)20部、フタロシアニンブルー「リオノールブル−7110V」(東洋インキ製造社製)50部、ナイロン6「ユニチカナイロンA1020」(ユニチカ社製,MFR=20)10部およびナイロン6「ユニチカナイロンA1030BRL」(ユニチカ社製,MFR=1)20部を混合し、実施例1と同様にしてミルベースを得、更にステアリルプロピレンジアミン「ジアミンR86」(花王社製)10部を加え、マスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。ナイロン6「ユニチカナイロンA1030BRL」100部に、得られたマスターバッチ3部を混合して、実施例1と同様にして、6デニールのナイロン繊維を得た。紡糸性、目詰まり性、延伸性共問題なく良好な分散性を示した。
【0044】
[比較例7]
ステアリルプロピレンジアミンを加えない以外は、実施例7と同様にしてマスターバッチを得た。この際ストランド切れや脈流を生じることなしに順調にマスターバッチを得ることができた。得られたマスターバッチを用い、実施例7と同様にして、6デニールのナイロン繊維を得た。紡糸性は問題なかった。
【0045】
未分散顔料の目詰まり性を比較するために、実施例1〜5及び比較例1〜5で得られたマスターバッチ各10部をそれぞれポリプロピレン「三井ノーブレンJH−G」(三井東圧化学社製,MFR=4)100部に、実施例6及び比較例6で得られたマスターバッチ各10部をそれぞれポリエチレンテレフタレート「ユニペットRT543」(日本ユニペット社製,MFR=0.5)100部に、実施例7及び比較例7で得られたマスターバッチ各10部をナイロン6「ユニチカナイロンA1030BRL」(ユニチカ社製,MFR=1)100部に混合し、先端に500メッシュの金網を装着したスクリュー径が30mmの単軸押出機でそれぞれの混合物を3Kg押し出し、先端部での圧力上昇値を測定した。結果を表1に示す。
【0046】
また、顔料の分散発色性を比較するために、実施例1〜5及び比較例1〜5で得られたマスターバッチ各1部をそれぞれポリプロピレン「三井ハイポールJ800」100部に実施例6及び比較例6で得られたマスターバッチ各1部をそれぞれポリエチレンテレフタレート「ユニペットRT543」100部に、実施例7及び比較例7で得られたマスターバッチ各1部をナイロン6「ユニチカナイロンA1030BRL」100部に混合し、更に酸化チタン「タイペークCR−80」を5部配合したものを2本ロールミルで混練し、冷却プレスで2mm厚のプレートに成形した。プレートの反射率を色差計「KURABO
Color−7E」(KURABO社製)を用いて640nmの波長で測定し、その反射率におけるKubelka−Munk関数(k/s)を求めた。実施例1〜7のk/sとの比(発色強度)を表1に示す。なお、発色強度は、実施例1〜7の発色強度を100%として表した。
【0047】
【表1】
【0048】
実施例1〜5及び比較例1〜5で得られたマスターバッチ各3部を、ポリエチレン「ハイゼックス2100J」(三井石油化学工業社製,MFR=6)100部に混合して、射出成形機にて背圧0Kg/cm2 でプレートに成形した。成形品の機械的物性の保持率(無着色樹脂の機械的物性<100%>に対する、マスターバッチで着色された樹脂の機械的物性の保持率)を表2に示す。
○:機械的物性の保持率96%以上
△:機械的物性の保持率90%以上96%未満
×:機械的物性の保持率90%未満
【0049】
【表2】
【0050】
また、成形品表面の色ムラについて目視で評価した結果およびスクリュー直径65mmの押出機によるマスターバッチの生産性を表3に示す。
【0051】
更に、実施例1〜5及び比較例1〜5で得られたマスターバッチ各3部をポリエチレン「ハイゼックス2100J」100部に、実施例6及び比較例6で得られたマスターバッチ各3部をポリエチレンテレフタレート「ユニペットRT543」100部に、実施例7及び比較例7で得られたマスターバッチ各3部をナイロン6「ユニチカナイロンA1030BRL」100部に混合して、プレス温度170℃の条件下でプレス加工し、0.1mmの厚さのフィルムを得た。フィルムに含まれる顔料の粗大粒子の大きさとその数をルーゼックス450画像処理機(東洋インキ製造社製)で測定して顔料の分散度を評価した結果を表3に示す。
5:50μ以下の粒子数 1.0×103 個/cm2未満
4:50μ以下の粒子数 1.0×103 個/cm2以上 7.0×103 個/cm2未満
3:50μ以下の粒子数 7.0×103 個/cm2以上 2.7×104 個/cm2未満
2:50μ以下の粒子数 2.7×103 個/cm2以上 7.0×104 個/cm2未満
1:50μ以下の粒子数 7.0×104 個/cm2以上
【0052】
【表3】
【0053】
【発明の効果】
本発明の着色用樹脂組成物は、顔料含有率が非常に高いにもかかわらず、顔料の分散性に優れるため、高度な顔料分散を要求される繊維製品の着色において、その着色力および加工性に大きな効果を発揮する。
また、本発明の着色用樹脂組成物は、従来はマスターバッチによる均一な着色が困難であった機械的物性や耐熱性などの物性が特に重視される無機フィラーや繊維強化材を高含有率で含むポリオレフィン系樹脂組成物の着色に対しても極めて有効であり、色ムラのない着色が可能となる。[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a resin composition used for coloring a thermoplastic resin and a coating agent, and a method for producing the same.
[0002]
[Prior art]
Conventionally, a thermoplastic resin coloring composition includes a powdery dry color in which a pigment and a dispersant are mixed, a liquid color or paste color in which a pigment is dispersed in a liquid dispersant at ordinary temperature, and a solid resin at ordinary temperature. There are a pellet-like, flake-like, or bead-like master batch in which a pigment is dispersed, and the like. These coloring compositions are selectively used by taking advantage of their characteristics depending on the use. Of these, masterbatches are preferably used in terms of ease of handling and preservation of working environment during use. In addition, the performance required as a masterbatch, such as high pigment concentration, small influence on various physical properties such as heat resistance and strength of the thermoplastic resin to be colored, etc., as well as precision molding of the thermoplastic resin, With the increase in speed, pigment dispersibility and dispersibility have been required more than before.
[0003]
Examples of dispersants that impart pigment dispersibility to the master batch include stearic acid, zinc stearate, magnesium stearate, aluminum stearate, calcium stearate, ethylene bisamide, polyethylene wax, polypropylene wax, and derivatives thereof, such as acid-modified One or two or more waxes composed of a body or a hydroxyl group-modified product are generally used. However, when a high degree of pigment dispersion is required, for example, when a thermoplastic resin is spun at a high speed of several tens of microns or formed into a film, the dispersant may not be satisfied. That is, yarn breakage during spinning due to poor pigment dispersion, clogging of a filter of a melt spinning machine, poor molding in a film and the like. In order to solve these problems, efforts have been made to improve the processing method of the master batch and to improve the dispersibility of the pigment by using a powerful kneader. However, they did not exhibit sufficient pigment dispersing ability to solve the above problems.
[0004]
Further, in the field of large-sized injection molding in which colored pellets have been conventionally used, color irregularities and flow marks of molded products have become a problem as coloring by a master batch has increased. In blow molding and film molding which have been conventionally colored by a master batch, plasticization, mixing and kneading of the resin and the master batch are performed in an extruder portion of a molding machine. In the case of an injection molding machine, the plasticization, mixing, and kneading steps are performed in a cylinder that retracts the screw, but the kneading force is not enough compared with the extruder, and the molding cycle is shortened and the viscosity of the molding resin is reduced. The kneading force is small, and as a result, color unevenness is likely to occur on the surface of the molded product. In addition, with the advent of high-concentration masterbatches that have increased the pigment content of the masterbatch, which has been pursued to reduce the cost of coloring, the amount of masterbatch added to the resin to be colored has been reduced, resulting in color unevenness and flow. The occurrence of marks has become more likely.
[0005]
In addition, this problem is recognized in various thermoplastic resins, but is remarkable in polypropylene-based resins that have been increasingly used in home appliances and automobile parts, and an urgent solution has been demanded. To solve this problem, of the three main components of the masterbatch (pigment, dispersant and base resin), increase the content of the dispersant or use a base resin with a viscosity smaller than that of the resin to be colored. Color unevenness has been eliminated by lowering the melt viscosity of the master batch.
However, for example, a resin filled with an inorganic filler with a polypropylene-based resin or a resin having a melt flow rate (hereinafter referred to as MFR) of more than 25 for the purpose of thin-wall molding is liable to cause color unevenness and flow marks. The solution is awaited.
[0006]
[Problems to be solved by the invention]
The present invention improves the above-mentioned various disadvantages, and is excellent in hue, coloring power, dispersibility, water resistance, heat resistance, weather resistance, etc., and is a coloring resin capable of uniform coloring without deterioration of various physical properties and color unevenness. For the purpose of providing the composition.
[0007]
[Means for Solving the Problems]
That is, the first invention of the present inventionPigment (a) 0.01 to 90% by weight, thermoplastic resin having a carboxyl group or an acid anhydride group and / or wax (b) 1 to 90% by weight are kneaded and dispersed in advance, and then have an amino group or an amide group. A method for producing a coloring resin composition, comprising adding a compound and / or a thermoplastic resin (c) in an amount of 0.1 to 60% by weight, and kneading and dispersing.
The second invention isPigment (a) 0.01 to 90% by weight, thermoplastic resin having a carboxyl group or an acid anhydride group and / or wax (b) 1 to 90% by weight are kneaded and dispersed in advance, and then have an amino group or an amide group. A compound and / or thermoplastic resin (c) in an amount of 0.1 to 60% by weight and another thermoplastic resin (d) in an amount of 0.1 to 98% by weight, and kneading and dispersing. It is a manufacturing method.
[0008]
The third invention isThe method for producing a coloring resin composition according to the second invention, wherein the melt flow rate of the other thermoplastic resin (d) is in the range of 0.1 to 400.
The fourth invention isA coloring resin composition obtained by the method for producing a coloring resin composition according to any one of the first to third inventions.
A fifth invention is a molded article obtained by using the coloring resin composition according to the fourth invention.
[0009]
The coloring resin composition of the present invention is rich in the dispersibility and coloring power of a pigment. This is because a thermoplastic resin having a carboxyl group or an acid anhydride group and / or a carboxyl group or an acid anhydride in the wax (b). This is probably because the material group has a high affinity for the pigment. That is, a large number of polar bonds are formed between a carboxyl group or an acid anhydride group in a thermoplastic resin having a carboxyl group or an acid anhydride group and / or a basic group in a pigment and the like, It is considered that the secondary aggregation of the pigment particles is prevented by forming a protective colloidal core / shell structure in which the hydrophobic portion of the resin wraps around the core / shell structure. However, if the unadsorbed carboxyl group or acid anhydride group is excessive in the pigment particles, aggregation such as association is caused in the non-polar resin, and the distribution into the molding resin becomes poor. Therefore, the excessive polar portion is neutralized with a compound having an amino group or an amide group, which is a basic substance, and / or the thermoplastic resin (c) to make it nonpolar, thereby promoting peptization and re-producing. It is considered that the dispersion was improved.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
As the pigment (a), known organic pigments and inorganic pigments conventionally used for coloring printing inks, paints, or thermoplastic resins can be used without any particular limitation. Examples of the organic pigment include azo, anthraquinone, phthalocyanine, quinacridone, isoindolinone, dioxane, berylen, quinophthalone, and berynone pigments. Examples of the inorganic pigment include cadmium sulfide, cadmium selenide, ultramarine, titanium dioxide, iron oxide, chromate, and carbon black.
The pigment (a) may be a dry powder pigment, a pigment wet cake containing water before drying (also referred to as an aqueous wet cake of a pigment, a filter cake, a press cake), or a mixture thereof, and may be used for coloring. 0.01 to 90% by weight is contained in the resin composition. If it is less than 0.01% by weight, the desired hue and tinting strength cannot be obtained, while if it exceeds 90% by weight, problems arise in dispersibility, processability and the like.
[0011]
The thermoplastic resin and / or wax (b) having a carboxyl group or an acid anhydride group is a thermoplastic resin and / or wax into which a carboxyl group or an acid anhydride group is introduced by copolymerization or graft modification, and is colored. Any material having good compatibility with the thermoplastic resin can be used without any particular limitation.
The thermoplastic resin and / or wax (b) having a carboxyl group or an acid anhydride group is contained in the coloring resin composition in an amount of 1 to 90% by weight. When the content is less than 1% by weight, problems occur in the dispersibility and processability of the pigment, and when the content exceeds 90% by weight, problems occur in water resistance, heat resistance, weather resistance and the like.
[0012]
Among thermoplastic resins into which a carboxyl group or an acid anhydride group has been introduced by copolymerization, polyolefin resins include, for example, ethylene / acrylic acid copolymer, ethylene / methacrylic acid copolymer, ethylene / α-olefin / acrylic acid Copolymer, ethylene / α-olefin / maleic anhydride copolymer, ethylene / methyl acrylate / acrylic acid copolymer, ethylene / ethyl acrylate / maleic anhydride copolymer, propylene / acrylic acid copolymer, propylene / anhydride Copolymer resins such as a maleic acid copolymer, a propylene / α-olefin / maleic anhydride copolymer, an α-olefin / maleic anhydride copolymer, and respective ionomer resins. Examples of resins other than polyolefin resins include polystyrene copolymer resins such as styrene / acrylic acid copolymer, α-methylstyrene / acrylic acid copolymer, and styrene / maleic anhydride copolymer.
[0013]
Examples of the thermoplastic resin into which a carboxyl group or an acid anhydride group is introduced by graft modification include ethylene, propylene, polybutene, ethylene / propylene copolymer, ethylene / α-olefin copolymer, propylene / α-olefin copolymer, and the like. Non-polyolefin resins such as unmodified polyolefin resins, polyester resins such as polyethylene terephthalate and polydiene polybutylene terephthalate, polyamide resins such as nylon, and polyolefin resins such as diene resins such as polybutadiene, polyisoprene, and polyneoprene. Resins graft-modified with basic acids, dibasic acids, or their acid anhydrides may be used.
[0014]
Examples of the wax having a carboxyl group or an acid anhydride group include a thermally decomposable wax obtained by thermally decomposing the above resin, and a polymerizable wax obtained by copolymerization or graft modification such as the above resin. Can be
Examples of the monobasic acid or dibasic acid or their acid anhydride used for copolymerization or graft modification include carboxylic acids having a polymerizable unsaturated double bond. More specifically, for example, acrylic acid, methacrylic acid, maleic acid, fumaric acid, itaconic acid, tetrahydrophthalic acid, crotonic acid, citraconic acid, hymic acid, allylsuccinic acid, mesaconic acid, glutaconic acid, tetrahydrophthalic acid, Methylhexahydrophthalic acid, aconitic acid, maleic anhydride, itaconic anhydride, citraconic anhydride, hymic anhydride, allylsuccinic anhydride, glutaconic anhydride, tetrahydrophthalic anhydride, methylhexahydrophthalic anhydride, aconitic anhydride Acids and the like are mentioned, and one or more kinds are used, and acrylic acid, methacrylic acid and maleic anhydride are industrially advantageous.
[0015]
The compound having an amino group or an amide group and / or the thermoplastic resin (c) has at least one amino group or an amide group in the molecule and has good compatibility with the thermoplastic resin to be colored. Any compound can be used without any limitation, but a compound containing an amino group or an amide group having 10 or more carbon atoms and / or a thermoplastic resin is preferably used.
The compound having an amino group or an amide group and / or the thermoplastic resin (c) is contained in the coloring resin composition in an amount of 0.1 to 60% by weight. If the content is less than 0.1% by weight, problems occur in color unevenness and silver stalk of the molded product, and if it exceeds 60% by weight, problems occur in yellowing, water resistance, heat resistance, weather resistance, etc. of the molded product.
[0016]
Among the compounds having an amino group or an amide group, primary monoamines include, for example, methylamine, ethylamine, propylamine, isopropylamine, butylamine, isobutylamine, amylamine, hexylamine, heptylamine, octylamine, 2-ethylhexyl Amine, diisobutylamine, nonylamine, decylamine, aniline, benzylamine, o-toluidine, 2-ethylaniline, 2-fluoroaniline, o-anisidine, m-toluidine, m-anisidine, m-phenetidine, p-toluidine, 2, 3-dimethylaniline, 5-aminoindan, 3-isobutoxypropylamine, 3-methoxypropylamine, 3-propoxypropylamine, 3-butoxypropylamine, 3- (2-ethylhexyl Xyl) propylamine, 3-decyloxypropylamine, laurylamine, myristylamine, cetylamine, coconutamine, stearylamine, octylamine, oleylamine, 3-lauryloxypropylamine, 3-myristyloxypropylamine, tallowamine, poly Oxypropyleneamine, polyoxyethyleneamine, rosinamine and the like are mentioned.
[0017]
As secondary monoamines, dimethylamine, diethylamine, dibutylamine, N- (1-methylpropyl) -2-butanamine, N, N-dimethylbutylamine, di-n-octylamine, di- (2-ethylhexyl) amine , N, N-dibutyl-2-ethylhexylamine, dioleylamine, dilaurylamine, distearylamine, polyoxyethylene laurylamine, polyoxyethylene stearylamine and the like.
Tertiary monoamines include tributylamine, tri-n-octylamine, tri- (2-ethylhexyl) amine, N, N-diisopropylethylamine, 3-dimethylaminopropanol, N-isobutyldiethanolamine, dimethylcoconutamine, dimethyl Octylamine, dimethyldecylamine, dimethyllaurylamine, dimethylmyristylamine, dimethylpalmitylamine, dimethylstearylamine and the like can be mentioned.
[0018]
Examples of diamines include 1,2-diaminopropane, methylaminopropylamine, diethylaminoethylamine, ethylaminoethylamine, dimethylaminopropylamine, dibutylaminopropylamine, N, N, N ′, N′-tetramethyl-1,3. -Diaminopropane, 2-hydroxyethylaminopropylamine, bis- (3-aminopropyl) ether, dimethylaminoethoxypropylamine, 1,2-bis- (3-aminopropoxy) ethane, 1.3-bis- (3-aminopropoxy) -2,2-dimethylpropane, α, ω-bis- (3-aminopropyl) -polyethylene glycol ether, 1,4-diaminobutane, laurylaminopropylamine, ethylenediamine, N, N, N ', N'-tetramethylhexamethylenedi Amine, N, N-di-t-butylethylenediamine, N-aminoethylpiperidine, N-aminoethyl-4-pipecholine, N-aminomethylpiperidine, N-aminopropyl-2-pipecholine, N-aminomethylmorpholine, N -Aminopropylmorpholine, 4,4-diaminodicyclohexylmethane, dicyclohexylamine, polyoxypropylenediamine, polyoxyethylenediamine, metaxylenediamine, stearylpropylenediamine, tallow propylenediamine, polyoxyethylenestearylpropylenediamine, and the like.
[0019]
Other compounds having an amino group or an amide group include polyamines such as iminobispropylamine, methyliminobispropylamine, N, N, N ', N', N'-pentamethyldiethylenetriamine, polyethyleneimine, and aspartic acid. , Glutamic acid, γ-aminobutyric acid, etc., amino acids such as coconutamine acetate, sterylamine acetate, stearic acid amide, palmitic acid amide, coconut amide, oleic acid amide, ethylenebislauric acid amide, ethylenebisstearin Aliphatic amides such as acid amide, lauric acid diethanolamide, and coconut oil fatty acid diethanolamide; In addition, as the thermoplastic resin having an amino group or an amide group, a thermoplastic polyamide resin having one or more amino groups or amide groups in a molecule formed by polymerization of a polymerized fatty acid or a natural fatty acid with a polyamine; and Examples thereof include mixtures and denatured products.
[0020]
As the other thermoplastic resin (d), a resin having a melt flow rate (hereinafter, referred to as MFR) of 0.1 to 400 is suitably used. When the MFR is 0.1 or less, the resulting resin composition for coloring has a too high melt viscosity, so that when used for coloring coating agents such as printing inks and paints, poor coloring occurs or coloring of thermoplastic resins occurs. In some cases, color unevenness or flow marks may occur. On the other hand, when the MFR is 400 or more, it may cause bleeding or adversely affect weather resistance or heat resistance when used for coloring a coating agent or a thermoplastic resin.
The other thermoplastic resin (d) is contained in the coloring resin composition in an amount of 0.1 to 98% by weight. If the amount is less than 0.1% by weight, there is a problem in compatibility with the resin to be colored, causing color unevenness or streaks. If the amount is more than 98% by weight, a desired hue or coloring property cannot be obtained.
[0021]
Among other thermoplastic resins (d), polyolefin resins include crystalline or amorphous polypropylene, low-density or high-density polyethylene, random, block or graft copolymers of ethylene / propylene, and ethylene 1-butene. And propylene copolymer, α-olefin and ethylene or propylene copolymer, ethylene / vinyl acetate copolymer, ethylene / methyl acrylate copolymer, ethylene / ethyl acrylate copolymer, and the like. One or more of these are used.
[0022]
Examples of non-polyolefin resins include polyesters such as polymethylpentene, polystyrene, polyethylene terephthalate and polydiene polybutylene terephthalate, acrylonitrile-butadiene-styrene (ABS) resin, acrylonitrile-EPDM-styrene (AES) resin, nylon And other thermoplastic resins such as acrylic resin, polybutadiene, polyamide, polycarbonate, polyacetal, polyarylate, polyvinyl acetate, polyvinyl chloride, polyvinylidene chloride, and polyurethane, and one or more of these are used. Can be
The shape of the other thermoplastic resin (d) is not particularly limited, and may be a powder or a pellet.
[0023]
The coloring resin composition of the present invention can be produced as follows.
When a dry powder pigment is used as the pigment (a), two components of the dry powder pigment and a thermoplastic resin having a carboxyl group or an acid anhydride group and / or a wax (b) are optionally added, if necessary. A surfactant and other additives are added, mixed with a Henschel mixer or the like, melt-kneaded and dispersed with a kneader, a roll mill, or an extruder, and then a compound having an amino group or an amide group and / or a thermoplastic resin (c) are added. In addition, it is melt-kneaded and dispersed.
[0024]
Alternatively, three components of a dry powder pigment, water, a thermoplastic resin having a carboxyl group or an acid anhydride group and / or a wax (b) are added in advance to a surfactant and other additives as necessary, and Mix with a mixer, disper, etc., charge into a flasher, kneader, extruder, roll mill, ball mill, steel mill, sand mill, attritor, high-speed mixer, homomixer, etc., heat knead, and then remove residual moisture Is evaporated under normal pressure or reduced pressure, and then a compound having an amino group or an amide group and / or a thermoplastic resin (c) are added, followed by melt-kneading and dispersion. In this method, instead of using a dry powder pigment and water, a pigment wet cake can be used.
[0025]
In addition, a two-component pigment (a) and a thermoplastic resin having a carboxyl group or an acid anhydride group and / or a wax (b) are added, if necessary, with a surfactant and other additives. And the mixture is supplied to a co-rotating twin-screw extruder, and a compound having an amino group or an amide group and / or a thermoplastic resin (c) is interposed midway using a side feeder or another suction device. By supplying, melt-kneading and dispersion can be performed in one step.
[0026]
In the production process of the coloring resin composition of the present inventionIsAfter the pigment (a) and the thermoplastic resin having a carboxyl group or an acid anhydride group and / or the wax (b) are melt-kneaded and dispersed in advance, the compound having an amino group or an amide group and / or the thermoplastic resin (c) are mixed. Supply,Melt, knead and dispersed.When (a), (b) and (c) are simultaneously mixed, an acidic polar group such as a carboxyl group is neutralized by a basic polar group such as an amine, which may cause problems in dispersibility and processability. There is. Conversely, (a) and (c) are first melted and kneaded, and then (b)ToIn addition, in the case of melt-heating and kneading, not only dispersibility but also problems may occur in weather resistance, mechanical properties, color unevenness, and the like.
[0027]
The other thermoplastic resin (d) may be added, mixed, or dispersed after mixing and dispersing (a) and (b), or may be mixed and dispersed with (a) and (b). .
The coloring resin composition of the present invention can be subjected to coloring of almost all printing inks, paints and thermoplastic resins by adding and diluting and kneading the varnish for printing inks, the binder for paints or the thermoplastic resin. . The coloring resin composition of the present invention includes, for example, polyolefin resin, acrylic resin, alkyd resin, vinyl resin, polyester resin, polyamide resin, polyimide resin, ABS resin, polystyrene resin, polyurethane resin, phenol resin, amino resin, and polyether. It can be blended with resins, polycarbonate resins, polyacetal resins, polyarylate resins, epoxy resins, polysulfone resins, and elastomers such as polybutadiene and polyisoprene.
[0028]
The coloring resin composition of the present invention can be used for coloring lubricants, hot melt resins, heat-sensitive inks, adhesives, and the like, in addition to coloring paints, printing inks, and thermoplastic resins.
The coloring resin composition of the present invention includes, within a range not impairing the effects of the present invention, a thermoplastic resin or a derivative thereof by functional group modification, cross-linking modification, grafting and blocking modification, or a low polymer resin by thermal decomposition. Various additives such as various thermoplastic resins such as waxes and waxes, small amounts of stabilizers such as antioxidants and ultraviolet absorbers, and surfactants can also be added.
[0029]
【Example】
Hereinafter, the present invention will be described specifically with reference to Examples. In the examples, “parts” means “parts by weight” and “%” means “% by weight”.
[Example 1]
50 parts of ethylene / acrylic acid copolymer wax “A-C540” (manufactured by Allied Signal) and 50 parts of phthalocyanine blue “Rionoble-FG7330” (manufactured by Toyo Ink Mfg. Co., Ltd.) are mixed, and the mixture is rolled at 130 ° C. on a three-roll mill. Heat milling was performed to obtain a mill base (pigment composition). 100 parts of the obtained mill base and 20 parts of stearylamine were mixed with 100 parts of polypropylene “Mitsui Hypol J900P” (MFR = 40, manufactured by Mitsui Petrochemical Industries, Ltd.) using a Henschel mixer and pelletized with a single screw extruder having a screw diameter of 65 mm. And a master batch was obtained. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. 100 parts of polypropylene “Mitsui Hypole J800” (manufactured by Mitsui Petrochemical Industry Co., Ltd., MFR = 22) was mixed with 3 parts of the obtained master batch, and the mixture was fed to a vertical test spinning machine “Spinning Tester” (manufactured by Fuji Filter Co., Ltd.). After spinning at 230 ° C. under a hopper at 230 ° C. in a kneading section and a die section, the fiber was stretched three times to obtain a 5-denier polypropylene fiber. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching.
[0030]
[Reference Example 1]
After mixing 50 parts of an ethylene / acrylic acid copolymer wax “A-C540”, 50 parts of phthalocyanine blue “Rionoble-FG7330” and 20 parts of stearylamine, a mill base was obtained in the same manner as in Example 1, and then polypropylene “ The mixture was mixed with 100 parts of "Mitsui Hypol J900P" to prepare a master batch in the same manner as in Example 1. At this time, although a slight pulsation occurred, a master batch could be obtained. Using the obtained master batch, spinning was carried out in the same manner as in Example 1. As a result, although there were some problems in spinnability and clogging properties, 6-denier polypropylene fibers could be obtained without any problem in stretchability. .
[0031]
[Reference Example 2]
After mixing 50 parts of phthalocyanine blue “Rionoble-FG7330” and 20 parts of stearylamine to obtain a mill base in the same manner as in Example 1, 50 parts of an ethylene / acrylic acid copolymer wax “A-C540” and 50 parts of polypropylene “ A masterbatch was prepared in the same manner as in Example 1 by adding 100 parts of "Mitsui High Pole J900P". As a result, a masterbatch could be obtained although a pulsating flow or a slight strand break occurred. Using the obtained masterbatch, spinning was performed in the same manner as in Example 1. As a result, although there were some problems in the clogging property, spinnability and stretchability were not affected, and a 6-denier polypropylene fiber could be obtained. .
[0032]
[Comparative Example 1]
A masterbatch was prepared in the same manner as in Example 1 except that stearylamine was not added. At this time, although some strand breaks and pulsation occurred, a master batch could be obtained. When the obtained master batch was spun in the same manner as in Example 1, yarn breakage occurred due to poor dispersion.
[0033]
[Example 2]
50 parts of α-olefin / maleic anhydride copolymer resin “Diacarna PA30” (manufactured by Mitsubishi Chemical Corporation) and 50 parts of phthalocyanine blue “Rionoble-FG7330” (manufactured by Toyo Ink Mfg. Co., Ltd.) are mixed, and the mixture is kneaded at 120 ° C. After heating and kneading for 1 hour, 25 parts of stearamide was added and the mixture was heated and kneaded for 1 hour to obtain a mill base (pigment composition). 125 parts of the obtained mill base and 40 parts of polyethylene “Mitsubishi Polyethylene LJ905” (manufactured by Mitsubishi Chemical Corporation, MFR = 50) were mixed with a Henschel mixer and pelletized with a single screw extruder having a screw diameter of 65 mm to obtain a master batch. . At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. When the obtained master batch was spun in the same manner as in Example 1, a 5-denier polypropylene fiber could be obtained. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching.
[0034]
[Comparative Example 2]
A masterbatch was prepared in the same manner as in Example 4, except that stearamide was not added. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. When spinning was performed in the same manner as in Example 1 using the obtained master batch, a 7-denier polypropylene fiber could be obtained. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching.
[0035]
[Example 3]
60 parts of ethylene-methacrylic acid copolymer resin "Nucrel N1560" (manufactured by DuPont-Mitsui Polychemicals, MFR = 60) and 40 parts of phthalocyanine blue "Rionoble-FG7330" (manufactured by Toyo Ink Manufacturing Co., Ltd.) are mixed with a Henschel mixer. The mixture is premixed and fed to a twin-screw co-rotating screw extruder having a screw diameter of 30 mm and an L / D value of 38. The mixture is extruded and extruded under the conditions of a rotation speed of 350 rpm and a set temperature of 163 ° C. Was cut with a pelletizer while distearylamine was supplied at a rate of 5 parts per minute using the above to obtain a master batch. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. When the obtained master batch was spun in the same manner as in Example 1, a 6-denier polypropylene fiber was obtained. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching.
[0036]
[Comparative Example 3]
Except not supplying distearylamine,Example 3A master batch was obtained in the same manner as described above. At this time, although some strand breaks and pulsation occurred, a master batch could be obtained. When the obtained master batch was spun in the same manner as in Example 1, yarn breakage occurred due to poor dispersion.
[0037]
[Example 4]
50 parts of an ethylene / ethyl acrylate / maleic anhydride copolymer resin "Bondane HX8210" (manufactured by Sumitomo Chemical Co., Ltd., MFR = 200) and an aqueous wet cake of phthalocyanine blue "Lionol Blue FG7334P" (manufactured by Toyo Ink Mfg. Co., Ltd., pigment (45%) in a kneader, and kneaded by heating to 150 ° C. After one hour, the resin softened and the water evaporated, and the resin was adsorbed on the pigment in the aqueous pigment wet cake, and the phase was changed to gradually increase the viscosity. Further, 20 parts of polyoxyethylene stearylamine “Amate 302” (manufactured by Kao Corporation) was added, and the mixture was heated and kneaded. As a result, as the residual moisture evaporated, the viscosity became extremely high after 2 hours, and the flushing and dispersion were completed. Subsequently, the mixture was rapidly cooled to room temperature, kneaded, and pulverized. When the particle diameter reached several mm, the mill base was taken out and the operation was completed. 100 parts of the obtained mill base and 100 parts of polyethylene "Idemitsu Polyethylene 5064G" (manufactured by Idemitsu Petrochemical Co., Ltd., MFR = 40) were mixed with a Henschel mixer and pelletized with a single screw extruder having a screw diameter of 65 mm to obtain a master batch. Was. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. When the obtained master batch was spun in the same manner as in Example 1, a 5-denier polypropylene fiber could be obtained. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching.
[0038]
[Comparative Example 4]
Except not adding polyoxyethylene stearylamine,Example 4A master batch was created in the same manner as in. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. When spinning was performed using the obtained master batch in the same manner as in Example 1, yarn breakage occurred due to poor compatibility of the resin.
[0039]
[Example 5]
40 parts of maleated propylene wax "UMEX 1010" (manufactured by Sanyo Chemical Industries), 30 parts of titanium oxide "Taipek CR-80" (manufactured by Ishihara Sangyo), 5 parts of carbon black "Mitsubishi Carbon # 44" (manufactured by Mitsubishi Chemical Corporation) 5 5 parts of quinacridone red “Fastgen Super Magenta RE03” (manufactured by Dainippon Ink and Chemicals, Inc.), 15 parts of phthalocyanine blue “Rionoble-POBS” (manufactured by Toyo Ink Mfg. Co., Ltd.) and phthalocyanine green “Riono Green 2Y301” ( Toyo Ink Mfg. Co., Ltd.) was premixed with a Henschel mixer, and 5 parts were extruded using a twin-screw co-rotating screw extruder having a screw diameter of 30 mm, an L / D value of 42, and a rotation speed of 300 rpm at a set temperature of 160 ° C. After dewatering, kneading and extruding, a pigment mill base was obtained. 100 parts of the obtained mill base is 100 parts of a polypropylene / polyethylene copolymer resin “Mitsui Hypol J940P” (manufactured by Mitsui Petrochemical Industries, Ltd., MFR = 55) and a polyamide resin having an amino group and an amide group “Tomide # 535” (Fuji 10 parts together with a Henschel mixer and pelletized with a single screw extruder having a screw diameter of 45 mm to obtain a master batch. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. When the obtained master batch was spun in the same manner as in Example 1, a 6-denier polypropylene fiber was obtained. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching.
[0040]
[Comparative Example 5]
Except that a polypropylene wax “Biscol 660P” (manufactured by Sanyo Chemical Industries, Ltd.) was used instead of the polyamide resin having an amino group and an amide group,Example 5A master batch was obtained in the same manner as described above. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. The spinning was performed in the same manner as in Example 1 using the obtained master batch, but the yarn was broken due to clogging.
[0041]
[Example 6]
10 parts of zinc ionomer wax "A-C291A" (manufactured by Allied Signal), 50 parts of phthalocyanine blue "Lionol Blue-7110V" (manufactured by Toyo Ink Mfg. Co., Ltd.), polyester resin "Byron GM900" (manufactured by Toyobo Co., MFR = 2) 10 parts, 27 parts of polyethylene terephthalate "Unipet RT543" (manufactured by Nippon Unipet Co., Ltd., MFR = 0.5) and 3 parts of partially saponified montanic acid "LuwaxOP" (manufactured by BASF, saponification value: 150 mgKOH / g) And a millbase was obtained in the same manner as in Example 1, and 5 parts of 3-lauryloxypropylamine (manufactured by Koei Chemical Co., Ltd.) was added to obtain a masterbatch. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. 100 parts of polyethylene terephthalate “Unipet RT543” (manufactured by Nippon Unipet Co., Ltd., MFR = 0.5) was mixed with 100 parts of the obtained master batch, and the same vertical test spinning machine as in Example 1 was used. After spinning at 230 ° C. under a hopper at 230 ° C. in a kneading section and a die section, it was stretched four times and then heat-treated at 140 ° C. to obtain a 3-denier polyester fiber. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching. The intrinsic viscosity of the fiber obtained was 0.724 dl / g with respect to the intrinsic viscosity of polyethylene terephthalate without the master batch being 0.735 dl / g, and the intrinsic viscosity retention was 98.5%.
[0042]
[Comparative Example 6]
Except not adding 3-lauryloxypropylamine,Example 6A master batch was obtained in the same manner as described above. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. Using the obtained masterbatchExample 6When spinning was carried out in the same manner as in the above, yarn breakage due to clogging occurred. The intrinsic viscosity of the obtained polyester fiber was 0.664 dl / g with respect to the intrinsic viscosity of polyethylene terephthalate without addition of the master batch being 0.735 dl / g, and the intrinsic viscosity retention was 90.3%.
[0043]
[Example 7]
20 parts of ethylene-acrylic acid copolymer resin "Primacol 3460" (manufactured by Dow Chemical Japan, MFR = 20), 50 parts of phthalocyanine blue "Lionol Blue-7110V" (manufactured by Toyo Ink Mfg.), Nylon 6 "Unitika Nylon" A1020 "(manufactured by Unitika Ltd., MFR = 20) 10 parts and nylon 6" Unitika Nylon A1030BRL "(manufactured by Unitika Ltd., MFR = 1) 20 parts were mixed, a mill base was obtained in the same manner as in Example 1, and further stearyl propylene was obtained. 10 parts of a diamine "Diamine R86" (manufactured by Kao Corporation) was added to obtain a master batch. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. 100 parts of nylon 6 "Unitika Nylon A1030BRL" was mixed with 3 parts of the obtained master batch, and 6 denier nylon fiber was obtained in the same manner as in Example 1. Good dispersibility was exhibited without any problem in spinnability, clogging and stretching.
[0044]
[Comparative Example 7]
Except not adding stearyl propylene diamine,Example 7A master batch was obtained in the same manner as described above. At this time, a master batch could be obtained smoothly without breaking strands or pulsating flow. Using the obtained masterbatch,Example 76 denier nylon fiber was obtained in the same manner as described above. There was no problem in spinnability.
[0045]
To compare the clogging of undispersed pigments,Examples 1 to 5And 10 parts of each of the master batches obtained in Comparative Examples 1 to 5 to 100 parts of polypropylene “Mitsui Noblen JH-G” (manufactured by Mitsui Toatsu Chemicals, MFR = 4),Example 6And 10 parts of each of the master batches obtained in Comparative Example 6 were added to 100 parts of polyethylene terephthalate “Unipet RT543” (manufactured by Nippon Unipet, MFR = 0.5), respectively.Example 7And 10 parts of each of the master batches obtained in Comparative Example 7 were mixed with 100 parts of nylon 6 “Unitika Nylon A1030BRL” (manufactured by Unitika Ltd., MFR = 1). 3 Kg of each mixture was extruded with a single screw extruder, and the pressure rise value at the tip was measured. Table 1 shows the results.
[0046]
In addition, in order to compare the disperse color development of the pigment,Examples 1 to 5And 1 part of each of the master batches obtained in Comparative Examples 1 to 5 was added to 100 parts of polypropylene “Mitsui High Pole J800”.Example 6And 1 part of each master batch obtained in Comparative Example 6 was added to 100 parts of polyethylene terephthalate “Unipet RT543”,Example 7And each 1 part of the master batch obtained in Comparative Example 7 was mixed with 100 parts of nylon 6 “Unitika Nylon A1030BRL”, and further 5 parts of titanium oxide “Taipec CR-80” was mixed and kneaded with a two-roll mill, It was formed into a plate having a thickness of 2 mm by a cooling press. The reflectance of the plate is measured using a color difference meter "KURABO".
Using a “Color-7E” (manufactured by KURABO) at a wavelength of 640 nm, the Kubelka-Munk function (k / s) at the reflectance was determined.Examples 1 to 7Table 1 shows the ratio (coloring intensity) to the k / s. The coloring intensity isExamples 1 to 7Is expressed as a color intensity of 100%.
[0047]
[Table 1]
[0048]
Examples 1 to 5And 3 parts of each of the masterbatches obtained in Comparative Examples 1 to 5 were mixed with 100 parts of polyethylene “HIZEX 2100J” (manufactured by Mitsui Petrochemical Industries, Ltd., MFR = 6), and the back pressure was 0 kg / kg by an injection molding machine. It was molded into a plate in cm 2. Table 2 shows the retention of the mechanical properties of the molded article (the retention of the mechanical properties of the resin colored by the master batch with respect to the mechanical properties of the uncolored resin <100%>).
:: Retention rate of mechanical properties 96% or more
Δ: Retention rate of mechanical properties 90% or more and less than 96%
×: Retention rate of mechanical properties less than 90%
[0049]
[Table 2]
[0050]
In addition, Table 3 shows the results of visually evaluating the color unevenness on the surface of the molded product and the productivity of the master batch using an extruder having a screw diameter of 65 mm.
[0051]
Furthermore,Examples 1 to 5And 3 parts of each of the master batches obtained in Comparative Examples 1 to 5 were added to 100 parts of polyethylene “HIZEX 2100J”,Example 6And 3 parts of each of the master batches obtained in Comparative Example 6 were added to 100 parts of polyethylene terephthalate “Unipet RT543”,Example 7And 3 parts of each of the master batches obtained in Comparative Example 7 were mixed with 100 parts of Nylon 6 “Unitika Nylon A1030BRL” and pressed at a temperature of 170 ° C. to obtain a film having a thickness of 0.1 mm. Was. Table 3 shows the results obtained by measuring the size and the number of coarse particles of the pigment contained in the film with a Luzex 450 image processor (manufactured by Toyo Ink Mfg. Co., Ltd.) to evaluate the degree of dispersion of the pigment.
5: Number of particles of 50 μ or less 1.0 × 10Three Pieces / cmTwoLess than
4: Number of particles of 50 μ or less 1.0 × 10Three Pieces / cmTwoMore than 7.0 × 10Three Pieces / cmTwoLess than
3: Number of particles of 50μ or less 7.0 × 10Three Pieces / cmTwo2.7 × 10 or moreFour Pieces / cmTwoLess than
2: Number of particles of 50μ or less 2.7 × 10Three Pieces / cmTwoMore than 7.0 × 10Four Pieces / cmTwoLess than
1: Number of particles of 50μ or less 7.0 × 10Four Pieces / cmTwothat's all
[0052]
[Table 3]
[0053]
【The invention's effect】
The coloring resin composition of the present invention has excellent pigment dispersibility despite having a very high pigment content. Therefore, in coloring a fiber product requiring a high degree of pigment dispersion, its coloring power and processability are high. It has a great effect on
In addition, the coloring resin composition of the present invention has a high content of an inorganic filler or a fiber reinforcing material in which physical properties such as mechanical properties and heat resistance, which were conventionally difficult to uniformly color with a masterbatch, are particularly important. It is extremely effective for coloring the polyolefin-based resin composition to be contained, and enables coloring without color unevenness.
Claims (5)
加えて混練分散することを特徴とする着色用樹脂組成物の製造方法。 Pigment (a) 0.01 to 90% by weight, a thermoplastic resin having a carboxyl group or an acid anhydride group and / or wax (b) 1 to 90% by weight are kneaded and dispersed in advance, and then have an amino group or an amide group. 0.1 to 60% by weight of the compound and / or the thermoplastic resin (c)
A method for producing a coloring resin composition, which further comprises kneading and dispersing.
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JP28116695A JP3543445B2 (en) | 1995-10-30 | 1995-10-30 | Method for producing resin composition for coloring and resin composition for coloring |
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JP28116695A JP3543445B2 (en) | 1995-10-30 | 1995-10-30 | Method for producing resin composition for coloring and resin composition for coloring |
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