JP5891946B2 - ポリアミド樹脂組成物およびそれよりなる成形体 - Google Patents
ポリアミド樹脂組成物およびそれよりなる成形体 Download PDFInfo
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- JP5891946B2 JP5891946B2 JP2012118476A JP2012118476A JP5891946B2 JP 5891946 B2 JP5891946 B2 JP 5891946B2 JP 2012118476 A JP2012118476 A JP 2012118476A JP 2012118476 A JP2012118476 A JP 2012118476A JP 5891946 B2 JP5891946 B2 JP 5891946B2
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- Prior art keywords
- polyamide
- acid
- polyamide resin
- resin composition
- mass
- Prior art date
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- 229920006122 polyamide resin Polymers 0.000 title claims description 88
- 239000011342 resin composition Substances 0.000 title claims description 54
- 229910052623 talc Inorganic materials 0.000 claims description 44
- 239000000454 talc Substances 0.000 claims description 41
- 239000006247 magnetic powder Substances 0.000 claims description 35
- 229920000299 Nylon 12 Polymers 0.000 claims description 18
- 229910000859 α-Fe Inorganic materials 0.000 claims description 10
- 229920000571 Nylon 11 Polymers 0.000 claims description 6
- 229920000572 Nylon 6/12 Polymers 0.000 claims description 6
- 229910000828 alnico Inorganic materials 0.000 claims description 5
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 3
- 150000002910 rare earth metals Chemical class 0.000 claims description 3
- -1 ω-enantolactam Chemical compound 0.000 description 65
- 239000004952 Polyamide Substances 0.000 description 43
- 229920002647 polyamide Polymers 0.000 description 43
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 description 24
- 238000000034 method Methods 0.000 description 24
- 238000005452 bending Methods 0.000 description 17
- 238000000465 moulding Methods 0.000 description 15
- 229920002292 Nylon 6 Polymers 0.000 description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 14
- 229920001577 copolymer Polymers 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 150000004985 diamines Chemical class 0.000 description 11
- 238000004898 kneading Methods 0.000 description 11
- 238000002156 mixing Methods 0.000 description 11
- 239000002245 particle Substances 0.000 description 11
- 238000006116 polymerization reaction Methods 0.000 description 11
- 230000005389 magnetism Effects 0.000 description 10
- 239000000843 powder Substances 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 description 7
- PBLZLIFKVPJDCO-UHFFFAOYSA-N 12-aminododecanoic acid Chemical compound NCCCCCCCCCCCC(O)=O PBLZLIFKVPJDCO-UHFFFAOYSA-N 0.000 description 6
- 229920002302 Nylon 6,6 Polymers 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- JKRZOJADNVOXPM-UHFFFAOYSA-N Oxalic acid dibutyl ester Chemical compound CCCCOC(=O)C(=O)OCCCC JKRZOJADNVOXPM-UHFFFAOYSA-N 0.000 description 6
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 125000003277 amino group Chemical group 0.000 description 6
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 6
- 229910052712 strontium Inorganic materials 0.000 description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 5
- 238000007654 immersion Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 5
- 150000003951 lactams Chemical class 0.000 description 5
- 239000003607 modifier Substances 0.000 description 5
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 5
- KXDHJXZQYSOELW-UHFFFAOYSA-N Carbamic acid Chemical class NC(O)=O KXDHJXZQYSOELW-UHFFFAOYSA-N 0.000 description 4
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical compound O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 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
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 4
- 239000007822 coupling agent Substances 0.000 description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- ZDXPYRJPNDTMRX-GSVOUGTGSA-N D-glutamine Chemical compound OC(=O)[C@H](N)CCC(N)=O ZDXPYRJPNDTMRX-GSVOUGTGSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920000305 Nylon 6,10 Polymers 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- UMHKOAYRTRADAT-UHFFFAOYSA-N [hydroxy(octoxy)phosphoryl] octyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OP(O)(=O)OCCCCCCCC UMHKOAYRTRADAT-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- FJXWKBZRTWEWBJ-UHFFFAOYSA-N nonanediamide Chemical compound NC(=O)CCCCCCCC(N)=O FJXWKBZRTWEWBJ-UHFFFAOYSA-N 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000003381 stabilizer Substances 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 2
- GUOSQNAUYHMCRU-UHFFFAOYSA-N 11-Aminoundecanoic acid Chemical compound NCCCCCCCCCCC(O)=O GUOSQNAUYHMCRU-UHFFFAOYSA-N 0.000 description 2
- GAGWMWLBYJPFDD-UHFFFAOYSA-N 2-methyloctane-1,8-diamine Chemical compound NCC(C)CCCCCCN GAGWMWLBYJPFDD-UHFFFAOYSA-N 0.000 description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 2
- CNPURSDMOWDNOQ-UHFFFAOYSA-N 4-methoxy-7h-pyrrolo[2,3-d]pyrimidin-2-amine Chemical compound COC1=NC(N)=NC2=C1C=CN2 CNPURSDMOWDNOQ-UHFFFAOYSA-N 0.000 description 2
- SLXKOJJOQWFEFD-UHFFFAOYSA-N 6-aminohexanoic acid Chemical compound NCCCCCC(O)=O SLXKOJJOQWFEFD-UHFFFAOYSA-N 0.000 description 2
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 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
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000005639 Lauric acid Substances 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- 229920006152 PA1010 Polymers 0.000 description 2
- 235000021314 Palmitic acid Nutrition 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- 239000006096 absorbing agent Substances 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
- 229960002684 aminocaproic acid Drugs 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical compound NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- KPLQYGBQNPPQGA-UHFFFAOYSA-N cobalt samarium Chemical compound [Co].[Sm] KPLQYGBQNPPQGA-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000007334 copolymerization reaction Methods 0.000 description 2
- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- YQLZOAVZWJBZSY-UHFFFAOYSA-N decane-1,10-diamine Chemical compound NCCCCCCCCCCN YQLZOAVZWJBZSY-UHFFFAOYSA-N 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- 150000001991 dicarboxylic acids Chemical class 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- QQHJDPROMQRDLA-UHFFFAOYSA-N hexadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCC(O)=O QQHJDPROMQRDLA-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- KQNPFQTWMSNSAP-UHFFFAOYSA-N isobutyric acid Chemical compound CC(C)C(O)=O KQNPFQTWMSNSAP-UHFFFAOYSA-N 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
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 2
- WPUMVKJOWWJPRK-UHFFFAOYSA-N naphthalene-2,7-dicarboxylic acid Chemical compound C1=CC(C(O)=O)=CC2=CC(C(=O)O)=CC=C21 WPUMVKJOWWJPRK-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- SXJVFQLYZSNZBT-UHFFFAOYSA-N nonane-1,9-diamine Chemical compound NCCCCCCCCCN SXJVFQLYZSNZBT-UHFFFAOYSA-N 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- BNJOQKFENDDGSC-UHFFFAOYSA-N octadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCCCC(O)=O BNJOQKFENDDGSC-UHFFFAOYSA-N 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 229920006396 polyamide 1012 Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 229910000938 samarium–cobalt magnet Inorganic materials 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 150000004756 silanes Chemical class 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- HQHCYKULIHKCEB-UHFFFAOYSA-N tetradecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCC(O)=O HQHCYKULIHKCEB-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- SZHOJFHSIKHZHA-UHFFFAOYSA-N tridecanoic acid Chemical compound CCCCCCCCCCCCC(O)=O SZHOJFHSIKHZHA-UHFFFAOYSA-N 0.000 description 2
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 2
- LWBHHRRTOZQPDM-UHFFFAOYSA-N undecanedioic acid Chemical compound OC(=O)CCCCCCCCCC(O)=O LWBHHRRTOZQPDM-UHFFFAOYSA-N 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- PWGJDPKCLMLPJW-UHFFFAOYSA-N 1,8-diaminooctane Chemical compound NCCCCCCCCN PWGJDPKCLMLPJW-UHFFFAOYSA-N 0.000 description 1
- BMVXCPBXGZKUPN-UHFFFAOYSA-N 1-hexanamine Chemical compound CCCCCCN BMVXCPBXGZKUPN-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
- HIQAWCBKWSQMRQ-UHFFFAOYSA-N 16-methylheptadecanoic acid;2-methylprop-2-enoic acid;propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(=C)C(O)=O.CC(=C)C(O)=O.CC(C)CCCCCCCCCCCCCCC(O)=O HIQAWCBKWSQMRQ-UHFFFAOYSA-N 0.000 description 1
- IEKHISJGRIEHRE-UHFFFAOYSA-N 16-methylheptadecanoic acid;propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)CCCCCCCCCCCCCCC(O)=O.CC(C)CCCCCCCCCCCCCCC(O)=O.CC(C)CCCCCCCCCCCCCCC(O)=O IEKHISJGRIEHRE-UHFFFAOYSA-N 0.000 description 1
- RDYWHMBYTHVOKZ-UHFFFAOYSA-N 18-hydroxyoctadecanamide Chemical compound NC(=O)CCCCCCCCCCCCCCCCCO RDYWHMBYTHVOKZ-UHFFFAOYSA-N 0.000 description 1
- GBURUDXSBYGPBL-UHFFFAOYSA-N 2,2,3-trimethylhexanedioic acid Chemical compound OC(=O)C(C)(C)C(C)CCC(O)=O GBURUDXSBYGPBL-UHFFFAOYSA-N 0.000 description 1
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
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- Compositions Of Macromolecular Compounds (AREA)
Description
本発明に用いるポリアミド樹脂は、主鎖中にアミド結合(−CONH−)を有するものであり、ラクタム、アミノカルボン酸、又はジアミンとジカルボン酸とからなるナイロン塩またはジアミンと蓚酸ジブチルを原料として、溶融重合、溶液重合や固相重合等の公知の方法で重合、又は共重合することにより得られる。
本発明に用いる磁性粉末は、磁性を有し、プラスチック磁石に使用することができるものであれば、特に制限はなく、フェライト系磁性粉末、アルニコ系磁性粉末及び希土類系磁性粉末からなる群より選ばれる少なくとも1種が好ましく、フェライト系磁性粉末がより好ましい。
本発明に用いるタルク(滑石)は、主成分として、Mg3Si4O10(OH)2を含む。靭性と高温の水へ浸漬したときの耐久性を向上させる観点から、タルクの総量に対し、Mg3Si4O10(OH)2を50質量%以上100質量%以下含むことが好ましく、70質量%以上100質量%以下含むことがより好ましく、80質量%以上100質量%以下含むことがさらに好ましい。
本発明のポリアミド樹脂組成物には、本発明のポリアミド樹脂組成物の特性を損なわない範囲内で、通常配合される各種の添加剤、改質剤、強化材、例えば、熱安定剤、酸化防止剤、紫外線吸収剤、耐候剤、フィラー、可塑剤、発泡剤、ブロッキング防止剤、粘着性付与剤、シール性改良剤、防雲剤、離型剤、架橋剤、発泡剤、難燃剤、着色剤(顔料、染料等)、カップリング剤、ガラス繊維等の無機強化材等を含有することができる。ポリアミド樹脂組成物の流動性、成形性や磁気特性を改良する観点から、滑剤や安定剤を含有することが好ましい。
本発明のポリアミド樹脂組成物から、成形体を得るためには、更に成形加工を行う。(成形工程)。本発明のポリアミド樹脂組成物から成形体を得る方法としては、本発明のポリアミド樹脂組成物を成形加工機中で、混合、溶融混練しながら、所望の形状に成形する一段成形法と、混合、溶融工程を行い、その後に、混合、溶融工程で用いた機器と異なる成形機を用いて成形する二段成形法がある。成形方法としては、射出成形、押出成形、圧縮成形等の方法が挙げられる。
[材料]
(1)ポリアミド樹脂
ω−ラウロラクタム又は12−アミノドデカン酸と脂肪族モノカルボン酸を重合して得られる相対粘度1.67、末端カルボキシル基濃度65μeq/g、末端アミノ基濃度18μeq/gであるポリアミド12の12メッシュのスクリーンメッシュを通過する平均粒径1mm以下のパウダーを用いる。(以下、ポリアミド12ともいう。)
平均粒径1.3μm、BET比表面積1.6m2/gであり、ストロンチウムフェライト100質量部に対し、β−(アミノエチル)−γ−アミノプロピルトリメトキシシラン1.0質量部で表面処理されたストロンチウムフェライトを用いる。(以下、ストロンチウムフェライトともいう。)
平均粒径が8μmのタルクである日本タルク株式会社製のシムゴンMを用いる。(以下、タルクともいう。)
ポリアミド12 19質量%、ストロンチウムフェライト80質量%及びタルク1質量%(ポリアミド12とタルクの総量に対してタルクが5質量%)を、ヘンシェルミキサーにて撹拌、混合し、二軸押出機で混練、押出して、ポリアミド樹脂組成物のペレットを得る。得られるポリアミド樹脂組成物を使用し、寸法127mm×12.7mm×6.5mmの試験片をシリンダ温度290℃、金型温度80℃の条件で、射出成形により作成する。その試験片を用いて、ASTM D−790に準拠する23℃での曲げ試験をおこなうと、曲げ強さは、130〜135MPaになる。また、得られるポリアミド樹脂組成物を使用し、寸法62mm×12.7mm×12.7mmのアイゾット衝撃強さ測定用の試験片を、シリンダ温度290℃、金型温度80℃にて射出成形により作成する。ASTM D−256に準拠し、その試験片にノッチを入れ、アイゾット衝撃強さを23℃で測定すると、55〜65MPaになる。さらに、曲げ強さ、アイゾット衝撃強さ測定用の試験片を作成し、その試験片を、80℃の熱水に、1000時間浸漬する。試験片を取り出し、曲げ強さ、アイゾット衝撃強さを上記の方法に従い、測定すると、曲げ強さとアイゾット衝撃強さが、それぞれ、115〜125MPaと75〜85MPaになる。
実施態様1において、ポリアミド12を18質量%、タルクを2質量%(ポリアミド12とタルクの総量に対してタルクが10質量%)とする以外は、実施態様1と同様の方法にて、ポリアミド樹脂組成物のペレットを得る。得られるポリアミド樹脂組成物を使用し、実施態様1と同様の評価を行うと、曲げ強さが、135〜140MPa、アイゾット衝撃強さが、60〜70MPaになり、80℃の熱水に、1000時間浸漬後の曲げ強さとアイゾット衝撃強さが、それぞれ、120〜130MPaと80〜90MPaになる。
実施態様1において、ポリアミド12を16質量%、タルクを4質量%(ポリアミド12とタルクの総量に対してタルクが20質量%)とする以外は、実施態様1と同様の方法にて、ポリアミド樹脂組成物のペレットを得る。得られるポリアミド樹脂組成物を使用し、実施態様1と同様の評価を行うと、曲げ強さが、135〜140MPa、アイゾット衝撃強さが、60〜70MPaになり、80℃の熱水に、1000時間浸漬後の曲げ強さとアイゾット衝撃強さが、それぞれ、120〜130MPaと80〜90MPaになる。
タルクを添加せず、ポリアミド12を20質量%とする以外、実施態様1と同様にしても、得られるポリアミド樹脂組成物の曲げ強さが、120〜125MPa、アイゾット衝撃強さが、95〜105MPaになり、80℃の熱水に、1000時間浸漬後の曲げ強さとアイゾット衝撃強さが、それぞれ、90〜110MPaと30〜40MPaになり、実施態様に比べ、劣ることになる。
Claims (4)
- ポリアミド樹脂、磁性粉末及びタルクを含むポリアミド樹脂組成物であり、
前記ポリアミド樹脂組成物全量に対し、前記磁性粉末を65質量%以上97質量%以下含み、
前記ポリアミド樹脂及び前記タルクの総量に対し、前記タルクを2質量%以上30質量%未満含むポリアミド樹脂組成物。 - 前記磁性粉末が、フェライト系磁性粉末、アルニコ系磁性粉末及び希土類系磁性粉末からなる群より選ばれる少なくとも1種である請求項1に記載のポリアミド樹脂組成物。
- 前記ポリアミド樹脂がポリアミド11、ポリアミド12及びポリアミド6/12からなる群より選ばれる少なくとも1種である請求項1又は2に記載のポリアミド樹脂組成物。
- 請求項1〜3のいずれか1項に記載のポリアミド樹脂組成物を用いた成形体。
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