JPH04143145A - Resin compound for air bag and air bag cover made of the same compound - Google Patents
Resin compound for air bag and air bag cover made of the same compoundInfo
- Publication number
- JPH04143145A JPH04143145A JP2267021A JP26702190A JPH04143145A JP H04143145 A JPH04143145 A JP H04143145A JP 2267021 A JP2267021 A JP 2267021A JP 26702190 A JP26702190 A JP 26702190A JP H04143145 A JPH04143145 A JP H04143145A
- Authority
- JP
- Japan
- Prior art keywords
- air bag
- vinyl chloride
- weight
- airbag
- compound
- 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.)
- Pending
Links
- 229920005989 resin Polymers 0.000 title claims abstract description 20
- 239000011347 resin Substances 0.000 title claims abstract description 20
- 150000001875 compounds Chemical class 0.000 title abstract description 16
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229920005862 polyol Polymers 0.000 claims abstract description 27
- 150000003077 polyols Chemical class 0.000 claims abstract description 25
- -1 isocyanate compound Chemical class 0.000 claims abstract description 22
- 239000004014 plasticizer Substances 0.000 claims abstract description 15
- 239000004814 polyurethane Substances 0.000 claims abstract description 15
- 229920002635 polyurethane Polymers 0.000 claims abstract description 15
- 229920000642 polymer Polymers 0.000 claims abstract description 13
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007795 chemical reaction product Substances 0.000 claims abstract description 12
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012948 isocyanate Substances 0.000 claims abstract description 5
- 239000011342 resin composition Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 11
- 238000006116 polymerization reaction Methods 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 229920000728 polyester Polymers 0.000 description 5
- 239000012779 reinforcing material Substances 0.000 description 5
- 239000004677 Nylon Substances 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 125000005442 diisocyanate group Chemical group 0.000 description 4
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical group C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 4
- 229920001778 nylon Polymers 0.000 description 4
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 229960000834 vinyl ether Drugs 0.000 description 4
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical class CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000012760 heat stabilizer Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000379 polymerizing effect Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- KMZHZAAOEWVPSE-UHFFFAOYSA-N 2,3-dihydroxypropyl acetate Chemical compound CC(=O)OCC(O)CO KMZHZAAOEWVPSE-UHFFFAOYSA-N 0.000 description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical group CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- NXQMCAOPTPLPRL-UHFFFAOYSA-N 2-(2-benzoyloxyethoxy)ethyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCCOCCOC(=O)C1=CC=CC=C1 NXQMCAOPTPLPRL-UHFFFAOYSA-N 0.000 description 2
- LEJBBGNFPAFPKQ-UHFFFAOYSA-N 2-(2-prop-2-enoyloxyethoxy)ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOC(=O)C=C LEJBBGNFPAFPKQ-UHFFFAOYSA-N 0.000 description 2
- XFCMNSHQOZQILR-UHFFFAOYSA-N 2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOC(=O)C(C)=C XFCMNSHQOZQILR-UHFFFAOYSA-N 0.000 description 2
- INQDDHNZXOAFFD-UHFFFAOYSA-N 2-[2-(2-prop-2-enoyloxyethoxy)ethoxy]ethyl prop-2-enoate Chemical compound C=CC(=O)OCCOCCOCCOC(=O)C=C INQDDHNZXOAFFD-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Chemical compound CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 2
- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 229920005830 Polyurethane Foam Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- KRADHMIOFJQKEZ-UHFFFAOYSA-N Tri-2-ethylhexyl trimellitate Chemical compound CCCCC(CC)COC(=O)C1=CC=C(C(=O)OCC(CC)CCCC)C(C(=O)OCC(CC)CCCC)=C1 KRADHMIOFJQKEZ-UHFFFAOYSA-N 0.000 description 2
- ZFOZVQLOBQUTQQ-UHFFFAOYSA-N Tributyl citrate Chemical compound CCCCOC(=O)CC(O)(C(=O)OCCCC)CC(=O)OCCCC ZFOZVQLOBQUTQQ-UHFFFAOYSA-N 0.000 description 2
- UYXTWWCETRIEDR-UHFFFAOYSA-N Tributyrin Chemical compound CCCC(=O)OCC(OC(=O)CCC)COC(=O)CCC UYXTWWCETRIEDR-UHFFFAOYSA-N 0.000 description 2
- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- ROPXFXOUUANXRR-YPKPFQOOSA-N bis(2-ethylhexyl) (z)-but-2-enedioate Chemical compound CCCCC(CC)COC(=O)\C=C/C(=O)OCC(CC)CCCC ROPXFXOUUANXRR-YPKPFQOOSA-N 0.000 description 2
- XZPPRVFUMUEKLN-UHFFFAOYSA-N bis(prop-2-enyl) nonanedioate Chemical compound C=CCOC(=O)CCCCCCCC(=O)OCC=C XZPPRVFUMUEKLN-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- YKDMBTQVKVEMSA-UHFFFAOYSA-N diethylene glycol distearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCOCCOC(=O)CCCCCCCCCCCCCCCCC YKDMBTQVKVEMSA-UHFFFAOYSA-N 0.000 description 2
- 229940111071 diethylene glycol distearate Drugs 0.000 description 2
- 239000000539 dimer Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N itaconic acid Chemical class OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 2
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000011496 polyurethane foam Substances 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- URAYPUMNDPQOKB-UHFFFAOYSA-N triacetin Chemical compound CC(=O)OCC(OC(C)=O)COC(C)=O URAYPUMNDPQOKB-UHFFFAOYSA-N 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- PEIJYJCTDDBFEC-UHFFFAOYSA-N 1,1-bis(ethenoxy)butane Chemical compound CCCC(OC=C)OC=C PEIJYJCTDDBFEC-UHFFFAOYSA-N 0.000 description 1
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 1
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- OHLKMGYGBHFODF-UHFFFAOYSA-N 1,4-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=C(CN=C=O)C=C1 OHLKMGYGBHFODF-UHFFFAOYSA-N 0.000 description 1
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
- FYBFGAFWCBMEDG-UHFFFAOYSA-N 1-[3,5-di(prop-2-enoyl)-1,3,5-triazinan-1-yl]prop-2-en-1-one Chemical compound C=CC(=O)N1CN(C(=O)C=C)CN(C(=O)C=C)C1 FYBFGAFWCBMEDG-UHFFFAOYSA-N 0.000 description 1
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 1
- GGSRTHRSSCWGGK-UHFFFAOYSA-L 2,2-dibutyl-5-hydroxy-1,3,2-dioxastannepane-4,7-dione Chemical compound CCCC[Sn]1(CCCC)OC(=O)CC(O)C(=O)O1 GGSRTHRSSCWGGK-UHFFFAOYSA-L 0.000 description 1
- 239000000263 2,3-dihydroxypropyl (Z)-octadec-9-enoate Substances 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- PHDVPEOLXYBNJY-KTKRTIGZSA-N 2-(2-hydroxyethoxy)ethyl (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCOCCO PHDVPEOLXYBNJY-KTKRTIGZSA-N 0.000 description 1
- WGIMXKDCVCTHGW-UHFFFAOYSA-N 2-(2-hydroxyethoxy)ethyl dodecanoate Chemical compound CCCCCCCCCCCC(=O)OCCOCCO WGIMXKDCVCTHGW-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- ZGHZSTWONPNWHV-UHFFFAOYSA-N 2-(oxiran-2-yl)ethyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCCC1CO1 ZGHZSTWONPNWHV-UHFFFAOYSA-N 0.000 description 1
- AHSGHEXYEABOKT-UHFFFAOYSA-N 2-[2-(2-benzoyloxyethoxy)ethoxy]ethyl benzoate Chemical compound C=1C=CC=CC=1C(=O)OCCOCCOCCOC(=O)C1=CC=CC=C1 AHSGHEXYEABOKT-UHFFFAOYSA-N 0.000 description 1
- JEYLQCXBYFQJRO-UHFFFAOYSA-N 2-[2-[2-(2-ethylbutanoyloxy)ethoxy]ethoxy]ethyl 2-ethylbutanoate Chemical compound CCC(CC)C(=O)OCCOCCOCCOC(=O)C(CC)CC JEYLQCXBYFQJRO-UHFFFAOYSA-N 0.000 description 1
- HWSSEYVMGDIFMH-UHFFFAOYSA-N 2-[2-[2-(2-methylprop-2-enoyloxy)ethoxy]ethoxy]ethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOCCOCCOC(=O)C(C)=C HWSSEYVMGDIFMH-UHFFFAOYSA-N 0.000 description 1
- AEPWOCLBLLCOGZ-UHFFFAOYSA-N 2-cyanoethyl prop-2-enoate Chemical compound C=CC(=O)OCCC#N AEPWOCLBLLCOGZ-UHFFFAOYSA-N 0.000 description 1
- 239000004808 2-ethylhexylester Substances 0.000 description 1
- RGUZWBOJHNWZOK-UHFFFAOYSA-N 3,6-dimethylbenzene-1,2-diol Chemical compound CC1=CC=C(C)C(O)=C1O RGUZWBOJHNWZOK-UHFFFAOYSA-N 0.000 description 1
- ALKCLFLTXBBMMP-UHFFFAOYSA-N 3,7-dimethylocta-1,6-dien-3-yl hexanoate Chemical compound CCCCCC(=O)OC(C)(C=C)CCC=C(C)C ALKCLFLTXBBMMP-UHFFFAOYSA-N 0.000 description 1
- NUCFNMOPTGEHQA-UHFFFAOYSA-N 3-bromo-2h-pyrazolo[4,3-c]pyridine Chemical compound C1=NC=C2C(Br)=NNC2=C1 NUCFNMOPTGEHQA-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-GDCKJWNLSA-N 3-oleoyl-sn-glycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-GDCKJWNLSA-N 0.000 description 1
- ATVJXMYDOSMEPO-UHFFFAOYSA-N 3-prop-2-enoxyprop-1-ene Chemical compound C=CCOCC=C ATVJXMYDOSMEPO-UHFFFAOYSA-N 0.000 description 1
- LEUWBMAQQQENOO-UHFFFAOYSA-N 4-(4-chlorophenyl)-6-methyl-2-oxo-3,4-dihydro-1h-pyridine-5-carboxylic acid Chemical compound C1C(=O)NC(C)=C(C(O)=O)C1C1=CC=C(Cl)C=C1 LEUWBMAQQQENOO-UHFFFAOYSA-N 0.000 description 1
- KHAHWKLZGBIAKT-UHFFFAOYSA-N 4-(4-methylpyrimidin-2-yl)benzaldehyde Chemical compound CC1=CC=NC(C=2C=CC(C=O)=CC=2)=N1 KHAHWKLZGBIAKT-UHFFFAOYSA-N 0.000 description 1
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 1
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 1
- OIYTYGOUZOARSH-UHFFFAOYSA-N 4-methoxy-2-methylidene-4-oxobutanoic acid Chemical compound COC(=O)CC(=C)C(O)=O OIYTYGOUZOARSH-UHFFFAOYSA-N 0.000 description 1
- GPZYYYGYCRFPBU-UHFFFAOYSA-N 6-Hydroxyflavone Chemical compound C=1C(=O)C2=CC(O)=CC=C2OC=1C1=CC=CC=C1 GPZYYYGYCRFPBU-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- IEPRKVQEAMIZSS-UHFFFAOYSA-N Di-Et ester-Fumaric acid Natural products CCOC(=O)C=CC(=O)OCC IEPRKVQEAMIZSS-UHFFFAOYSA-N 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- XTJFFFGAUHQWII-UHFFFAOYSA-N Dibutyl adipate Chemical compound CCCCOC(=O)CCCCC(=O)OCCCC XTJFFFGAUHQWII-UHFFFAOYSA-N 0.000 description 1
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 1
- VOWAEIGWURALJQ-UHFFFAOYSA-N Dicyclohexyl phthalate Chemical compound C=1C=CC=C(C(=O)OC2CCCCC2)C=1C(=O)OC1CCCCC1 VOWAEIGWURALJQ-UHFFFAOYSA-N 0.000 description 1
- IEPRKVQEAMIZSS-WAYWQWQTSA-N Diethyl maleate Chemical compound CCOC(=O)\C=C/C(=O)OCC IEPRKVQEAMIZSS-WAYWQWQTSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 description 1
- 239000004472 Lysine Substances 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- MIKOPBHBEKESKC-UHFFFAOYSA-N OC(O)COC(=O)C1C=CCCC1C(O)=O Chemical compound OC(O)COC(=O)C1C=CCCC1C(O)=O MIKOPBHBEKESKC-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- YYQRGCZGSFRBAM-UHFFFAOYSA-N Triclofos Chemical compound OP(O)(=O)OCC(Cl)(Cl)Cl YYQRGCZGSFRBAM-UHFFFAOYSA-N 0.000 description 1
- DOOTYTYQINUNNV-UHFFFAOYSA-N Triethyl citrate Chemical compound CCOC(=O)CC(O)(C(=O)OCC)CC(=O)OCC DOOTYTYQINUNNV-UHFFFAOYSA-N 0.000 description 1
- FRQDZJMEHSJOPU-UHFFFAOYSA-N Triethylene glycol bis(2-ethylhexanoate) Chemical compound CCCCC(CC)C(=O)OCCOCCOCCOC(=O)C(CC)CCCC FRQDZJMEHSJOPU-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- GTVWRXDRKAHEAD-UHFFFAOYSA-N Tris(2-ethylhexyl) phosphate Chemical compound CCCCC(CC)COP(=O)(OCC(CC)CCCC)OCC(CC)CCCC GTVWRXDRKAHEAD-UHFFFAOYSA-N 0.000 description 1
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- WDRCVXGINNJWPH-UHFFFAOYSA-N tris(6-methylheptyl) benzene-1,2,4-tricarboxylate Chemical compound CC(C)CCCCCOC(=O)C1=CC=C(C(=O)OCCCCCC(C)C)C(C(=O)OCCCCCC(C)C)=C1 WDRCVXGINNJWPH-UHFFFAOYSA-N 0.000 description 1
- YPDXSCXISVYHOB-UHFFFAOYSA-N tris(7-methyloctyl) benzene-1,2,4-tricarboxylate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCC(C)C)C(C(=O)OCCCCCCC(C)C)=C1 YPDXSCXISVYHOB-UHFFFAOYSA-N 0.000 description 1
- FJFYFBRNDHRTHL-UHFFFAOYSA-N tris(8-methylnonyl) benzene-1,2,4-tricarboxylate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC(C)C)C(C(=O)OCCCCCCCC(C)C)=C1 FJFYFBRNDHRTHL-UHFFFAOYSA-N 0.000 description 1
- GRPURDFRFHUDSP-UHFFFAOYSA-N tris(prop-2-enyl) benzene-1,2,4-tricarboxylate Chemical compound C=CCOC(=O)C1=CC=C(C(=O)OCC=C)C(C(=O)OCC=C)=C1 GRPURDFRFHUDSP-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Air Bags (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野]
本発明は新規なエアーバッグカバー用樹脂組成物、及び
この組成物から成る、エアーバッグカバーに関するもの
である。さらに詳しくいえば、本発明は、エアーバッグ
カバーの素材として好ましい性質を有する塩化ビニル系
樹脂組成物、及びこの組成物から成るエアーバッグの展
開性及びその展開時の耐飛散性に優れた、自動車などの
安全装置として用いられるエアーバッグカバーに関する
ものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a novel resin composition for an airbag cover, and an airbag cover made of this composition. More specifically, the present invention provides a vinyl chloride resin composition that has properties preferable as a material for an airbag cover, and an airbag made of this composition that has excellent deployability and shatter resistance when deployed. The present invention relates to air bag covers used as safety devices such as the following.
[従来の技術]
近年、軍が衝突した際、瞬間的に袋が膨らんで人体に対
するショックを和らげるエアーバッグシステムが注目さ
れている。[Prior Art] In recent years, air bag systems have been attracting attention in which a bag momentarily inflates to cushion the shock to the human body when military forces collide.
このエアーバッグシステムは、自動車の衝突時にインフ
レータから発生される高圧ガスをエアーバッグ内に導入
することにより、該エアーバッグを乗員に向けて急速に
膨張展開させ、乗員の前方移動を規制したンステムであ
る。This airbag system is a system that rapidly inflates and deploys the airbag toward the occupant by introducing high-pressure gas generated from an inflator into the airbag during a car collision, thereby restricting the occupant's forward movement. be.
このようなンステムに用いられるエアーバッグ装置は、
運転席用の場合には一般にステアリングホイールの中央
部に設置され、エアーバッグを折り畳んだ状態でインフ
レータと共にエアーバッゴ収納体内に収納し、運転席に
対向する面をエアーバッグカバーによって覆った1つの
ユニットとばれている。The airbag device used in such systems is
In the case of a driver's seat, it is generally installed in the center of the steering wheel, and the air bag is folded and stored together with the inflator in an air bag storage body, and the surface facing the driver's seat is covered by an air bag cover. It's been revealed.
該エアーバッグカバーは、エアーバッグが動f(膨張)
する際に、破砕され、その破片が飛散tて乗員の顔や目
などに当たって、怪我をさせるA険があることから、従
来、ナイロン系ネットなシの補強材を入れた硬質ポリウ
レタン発泡体が用しられており、そして、その中に収納
されたエアーバッグの膨張展開によって補強材のない薄
肉部ズ破裂するようになっている。The air bag cover is designed so that when the air bag moves (inflates)
Conventionally, hard polyurethane foam with reinforcement material such as nylon net was used to avoid the risk of injury due to fragments flying off and hitting passengers' faces and eyes. The thin-walled part without reinforcing material ruptures due to the inflation and deployment of the airbag housed therein.
しかしながら、このような従来のエアーバックカバーに
おいては、成形時に補強材の位置合わ七に時間を要し、
かつ該補強材の位置ずれにより4良率が高い上、硬質ポ
リウレタン発泡体による成形は生産性が低く、コスト高
になるのを免れなしなどの欠点がある。However, in such conventional air bag covers, it takes time to align the reinforcing material during molding.
In addition, the yield rate is high due to the displacement of the reinforcing material, and molding using rigid polyurethane foam has the drawbacks of low productivity and high cost.
このような欠点を改良するために、ナイロン達ネットな
どの補強材を入れない熱可塑性樹脂から成るエアーバッ
グカバーも数多く検討されているが、温度−40〜90
℃におけるエアーバッグの展開性及びその展開時の耐飛
散性に優れたエアーバッグカバーはまだ開発されていな
いのが実状である。In order to improve these shortcomings, many airbag covers made of thermoplastic resin without reinforcing materials such as nylon nets have been studied;
The reality is that no airbag cover has yet been developed that has excellent airbag deployability at ℃ and has excellent scattering resistance during deployment.
[発明が解決しようとする課題]
本発明は、従来のエアーバッグカバーが有する欠点を克
服し、ナイロン系ネットなどの補強材を必要としない熱
可塑性樹脂から成るものであって、温度−40〜90℃
におけるエアーバッグの展開性及びその展開時の耐飛散
性に優れる上、経済的に有利なエアーバッグカバーを提
供することを目的としてなされたものである。[Problems to be Solved by the Invention] The present invention overcomes the drawbacks of conventional airbag covers and is made of a thermoplastic resin that does not require reinforcing materials such as nylon nets, 90℃
The purpose of this invention is to provide an economically advantageous airbag cover that has excellent airbag deployability and scattering resistance during deployment.
[課題を解決するための手段]
本発明者らは、前記の好ましい性質を有するエアーバッ
グカバーを開発すべく鋭意研究を重ねた結果、ポリオー
ル含有塩化ビニル系重合体とイソシアネート化合物との
反応生成物に、特定の塩化ビニル系樹脂及び場合により
可塑剤を、それぞれ所定の割合で配合したものであって
、JISK−6301A型による硬度が40〜90の範
囲にある樹脂組成物から成るエアーバッグカバーが、そ
の目的に適合しうろことを見い出し、この知見に基づい
て本発明を完成するに至った。[Means for Solving the Problems] As a result of intensive research to develop an airbag cover having the above-mentioned preferable properties, the present inventors discovered that a reaction product between a polyol-containing vinyl chloride polymer and an isocyanate compound The airbag cover is made of a resin composition which is blended with a specific vinyl chloride resin and optionally a plasticizer in predetermined proportions, and has a hardness in the range of 40 to 90 according to JIS K-6301A type. The inventors discovered a scale suitable for the purpose and completed the present invention based on this knowledge.
すなわち、本発明は、(A)ポリオール含有塩化ビニル
系重合体とイソシアネート化合物とのポリウレタン含有
量30〜60重量%の反応生成物と、その100重量部
当たり(B)テトラヒドロフランに不溶なゲル分含有量
が8〜90重量%の塩化ビニル系樹脂10〜300重量
部及び(C)可塑剤0〜200重量部とを含有し、かつ
JISK−6301A型による硬度が40〜90である
ことを特徴とするエアーバッグカバー用樹脂組成物、及
びこの樹脂組成物から成るエアーバッグカバーを提供す
るものである。That is, the present invention provides (A) a reaction product of a polyol-containing vinyl chloride polymer and an isocyanate compound with a polyurethane content of 30 to 60% by weight, and (B) a gel content insoluble in tetrahydrofuran per 100 parts by weight thereof. It is characterized by containing 10 to 300 parts by weight of a vinyl chloride resin in an amount of 8 to 90% by weight and 0 to 200 parts by weight of a plasticizer (C), and having a hardness of 40 to 90 according to JISK-6301A type. The present invention provides a resin composition for an airbag cover, and an airbag cover made of this resin composition.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
本発明組成物においては、(A)成分としてポリオール
含有塩化ビニル系重合体とインシアネート化合物との反
応生成物が用いられる。In the composition of the present invention, a reaction product of a polyol-containing vinyl chloride polymer and an incyanate compound is used as component (A).
該ポリオール含有塩化ビニル系重合体は、塩化ビニルに
溶解可能なポリオールの存在下、水性媒体中で塩化ビニ
ルを重合させることにより得られる。前記ポリオールと
しては、短鎖ポリオール及び長鎖ポリオールのいずれも
用いることができる。The polyol-containing vinyl chloride polymer is obtained by polymerizing vinyl chloride in an aqueous medium in the presence of a polyol that can be dissolved in vinyl chloride. As the polyol, both short chain polyols and long chain polyols can be used.
短鎖ポリオールとしては、脂肪族、脂環式、芳香族、置
換脂肪族又は複素環式のジヒドロキシ化合物、トリヒド
ロキシ化合物、テトラヒドロキシ化合物などがあり、具
体的には1.2−エタンジオール、1.2−プロパンジ
オール、1,4−ブタンジオール、ブチンジオール、l
、6−ヘキサンジオール、l、10−デカメチレンジオ
ール、2゜5−ジメチル−2,5−ヘキサンジオール、
ネオペンチルグリコール、ジエチレングリコール、l。Examples of short-chain polyols include aliphatic, alicyclic, aromatic, substituted aliphatic or heterocyclic dihydroxy compounds, trihydroxy compounds, and tetrahydroxy compounds, and specifically, 1,2-ethanediol, 1 .2-propanediol, 1,4-butanediol, butynediol, l
, 6-hexanediol, l,10-decamethylenediol, 2゜5-dimethyl-2,5-hexanediol,
Neopentyl glycol, diethylene glycol, l.
4−シクロヘキサンジメタツール、ビス(β−ヒドロキ
シエトキン)ベンゼン、p−キシレンジオール、ジヒド
ロキシエチルテトラヒドロフタレート、トリメチロール
プロパン、グリセリン、2−メチルプロパン−1,2,
3〜トリオール、1,2゜4−ヘキサントリオール、ペ
ンタエリトリットなどが挙げられる。4-Cyclohexane dimetatool, bis(β-hydroxyethyne)benzene, p-xylene diol, dihydroxyethyltetrahydrophthalate, trimethylolpropane, glycerin, 2-methylpropane-1,2,
Examples include 3-triol, 1,2°4-hexanetriol, and pentaerythritol.
一方、長鎖ポリオールとしては、例えばポリエステルポ
リオール、ポリエーテルポリオール、ポリカーボネート
ポリオール、ビニル系ポリオール、ジエン系ポリオール
、ひまし油系ポリオール、シリコーンポリオール、ポリ
オレフィン系ポリオール及びこれらの共重合体などが挙
げられる。On the other hand, examples of long-chain polyols include polyester polyols, polyether polyols, polycarbonate polyols, vinyl polyols, diene polyols, castor oil polyols, silicone polyols, polyolefin polyols, and copolymers thereof.
これらの長鎖ポリオールは、分子量が300〜10.0
00、好ましくは500〜8,000の範囲にあるもの
が好適である。These long chain polyols have a molecular weight of 300 to 10.0.
00, preferably in the range of 500 to 8,000.
該ポリオール含有塩化ビニル系重合体の製造においては
、懸濁重合法、微細懸濁重合法、乳化重合法のいずれの
重合方法も用いることができる。In producing the polyol-containing vinyl chloride polymer, any polymerization method including suspension polymerization, fine suspension polymerization, and emulsion polymerization can be used.
この際、ポリオールと塩化ビニルの使用割合については
、通常ポリオールが塩化ビニルに対し、200重量%以
下の割合で用いられる。重合反応は、一般に通常の重合
用オートクレーブ中で、30〜70℃、好ましくは40
〜70℃の範囲の温度において実施される。At this time, the ratio of polyol to vinyl chloride is usually 200% by weight or less of polyol to vinyl chloride. The polymerization reaction is generally carried out in a conventional polymerization autoclave at 30 to 70°C, preferably at 40°C.
It is carried out at temperatures ranging from -70°C.
この際、所望に応じ、塩化ビニルと共重合可能な単量体
を併用してもよい。このような共重合可能な単量体とし
ては、例えば塩化ビニリデン、7ツ化ビニリデンなどの
ビニリデン系単量体、アクリル酸メチル、アクリル酸エ
チル、アクリル酸ブチル、アクリル酸オクチル、アクリ
ル酸シアノエチルなどのアクリル酸エステル類、メタク
リル酸メチル、メタクリル酸エチル、メタクリル酸ブチ
ルなどのメタクリル酸エステル類、スチレン、メチルス
チレン、ビニルトルエン
どのスチレン誘導体、アクリロニトリル、エチルビニル
ベンゼン、ビニルナフタレンなどのビニル系単量体、ブ
タジェン、イソプレン、クロロプレンなどのジオレフィ
ン類などが挙げられる。At this time, a monomer copolymerizable with vinyl chloride may be used in combination, if desired. Examples of such copolymerizable monomers include vinylidene monomers such as vinylidene chloride and vinylidene heptadide, methyl acrylate, ethyl acrylate, butyl acrylate, octyl acrylate, and cyanoethyl acrylate. Acrylic esters, methacrylic esters such as methyl methacrylate, ethyl methacrylate, and butyl methacrylate; styrene derivatives such as styrene, methylstyrene, and vinyltoluene; vinyl monomers such as acrylonitrile, ethylvinylbenzene, and vinylnaphthalene; Examples include diolefins such as butadiene, isoprene, and chloroprene.
前記ポリオール含有塩化ビニル系重合体と反応させるイ
ンシアネート化合物としては、例えば2。Examples of the incyanate compound to be reacted with the polyol-containing vinyl chloride polymer include 2.
4−及び2.6−ドリレンジイソシアネート、m−及び
p−フェニレンジイソシアネート、l−クロロフェニレ
ン−2,4−ジイソシアネート、1。4- and 2.6-dolylene diisocyanate, m- and p-phenylene diisocyanate, l-chlorophenylene-2,4-diisocyanate, 1.
5−ナフタレンジイソシアネート、メチレンビスフェニ
レン−4.4′−ジインシアネート%m−及びp−キシ
リレンジイソシアネート、ヘキサメチレンジイソシアネ
ート、リジンジイソシアネート、4、4′−メチレンビ
ス(シクロヘキシルイソシアネート)、インホロンジイ
ソシアネート、トリメチルへキサメチレンジイソシアネ
ートなどのジイソシアネート類,1,6.11−ウンデ
カントリイソシアネート、リジンエステルイソシアネー
ト、4−インシアネートメチル−1.8−オクタメチル
ジイソシアネートなどのトリイソシアネート類、ポリフ
ェニルメタンポリイソシアネートなどの多官能性インシ
アネート類及びこれらのインシアネート化合物の二量体
や二量体及び前記の短鎖、長鎖のポリオール類、水、ア
ミノ化合物などの活性水素化合物と前記のインシアネー
ト化合物との反応によって得られる末端インシアネート
基を有する化合物などが挙げられる。5-Naphthalene diisocyanate, methylenebisphenylene-4,4'-diincyanate% m- and p-xylylene diisocyanate, hexamethylene diisocyanate, lysine diisocyanate, 4,4'-methylenebis(cyclohexyl isocyanate), inphorone diisocyanate, to trimethyl Diisocyanates such as xamethylene diisocyanate, triisocyanates such as 1,6,11-undecane triisocyanate, lysine ester isocyanate, 4-incyanate methyl-1,8-octamethyl diisocyanate, and polyfunctional polyphenylmethane polyisocyanates. Incyanates, dimers and dimers of these incyanate compounds, the short chain and long chain polyols, water, active hydrogen compounds such as amino compounds, and the reaction of the above incyanate compounds. Examples include compounds having a terminal incyanate group.
前記ポリオール含有塩化ビニル系重合体とインシアネー
ト化合物との反応生成物中のポリウレタン含有量は、3
0〜60重量%、好ましくは50〜60重量%の範囲に
あることが必要である。この含有量が30重量%未満で
は本発明の目的が十分に達せられないし、60重量%を
超えると重合時の分散が不安定となり、細粒子の重合体
が生成しにくく、このような重合体は乾燥中に粒子間で
融着を起こすなど、好ましくない事態を招来する。The polyurethane content in the reaction product of the polyol-containing vinyl chloride polymer and the incyanate compound is 3
It is necessary that the amount is in the range of 0 to 60% by weight, preferably 50 to 60% by weight. If the content is less than 30% by weight, the purpose of the present invention cannot be fully achieved, and if it exceeds 60% by weight, the dispersion during polymerization becomes unstable, making it difficult to produce fine particle polymers, and such polymers This can lead to undesirable situations such as fusion between particles during drying.
本発明でいうポリウレタン含有量とは、ポリオール含有
塩化ビニル系重合体とインシアネート化合物との反応生
成物をソックスレー抽出器を用いて熱テトラヒドロ7ラ
ンで20時間抽出し、350メツシユフイルターにて分
離される抽出残渣について、n−ヘキサンで可塑剤を抽
出した後の残渣の量を意味する。The polyurethane content in the present invention refers to the reaction product of a polyol-containing vinyl chloride polymer and an incyanate compound extracted using a Soxhlet extractor with 7 runs of hot tetrahydro for 20 hours and separated using a 350 mesh filter. With respect to the extracted residue, it is meant the amount of residue after extracting the plasticizer with n-hexane.
本発明組成物において、(B)成分として、用いられる
塩化ビニル系樹脂は、テトラヒドロ7ランに不溶なゲル
分含有量が8〜90重量%、好ましくは20〜60重量
%の範囲にあることが必要である。このゲル分含有量が
8重量%未満では低温におけるエアーバッグの展開が不
十分であるし、90重量%を超えるとエアーバッグ展開
時に、工アーバッグ力バーの開裂部以外に亀裂が発生す
る傾向がみられる。In the composition of the present invention, the vinyl chloride resin used as component (B) has a gel content insoluble in tetrahydro-7 run of 8 to 90% by weight, preferably 20 to 60% by weight. is necessary. If the gel content is less than 8% by weight, the airbag will not be able to deploy sufficiently at low temperatures, and if it exceeds 90% by weight, cracks will tend to occur in areas other than the ruptured portion of the airbag force bar when the airbag is deployed. can be seen.
ここでいうテトラヒドロ7ランに不溶なゲル分とは、ソ
ックスレー抽出器を用いて熱テトラヒドロフランで22
時間抽出し、350メツシユフイルターにて分離される
抽出残渣を意味する。The gel component insoluble in tetrahydrofuran here refers to the gel content insoluble in tetrahydrofuran using a Soxhlet extractor.
It means the extraction residue separated by a 350 mesh filter after time extraction.
該塩化ビニル系樹脂のテトラヒドロフラン可溶分の平均
重合度は、400〜10000、好ましくは700〜7
000の範囲にあることが望ましい。この平均重合度が
、400未満ではエアーバッグ展開時にエアーバッグカ
バーの開裂部以外に亀裂が生じ、カバーが飛散するおそ
れがあるし、10000を超えると高温溶融を必要とし
、エアーバッグカバーの外観に70−マークなどが発生
する傾向がみられる。The average degree of polymerization of the tetrahydrofuran soluble portion of the vinyl chloride resin is 400 to 10,000, preferably 700 to 7.
It is desirable that the value be in the range of 000. If this average degree of polymerization is less than 400, cracks may occur in areas other than the rupture part of the airbag cover when the airbag is deployed, and the cover may fly off. If it exceeds 10,000, high temperature melting is required, which may affect the appearance of the airbag cover. There is a tendency for 70-marks to occur.
このような塩化ビニル系樹脂は、塩化ビニルの重合系に
ジアリルフタレート、ジアリルイソ7タレート、ジアリ
ルテレフタレートなどの7タル酸のジアリルエステル類
、ジアリルマレエート、ジアリルフマレート、ジアリル
イタコネートなどのエチレン性不飽和二塩基酸のジアリ
ルエステル、ジアリルアジペート、ジアリルアゼレート
、ジアリルセバケートなどの飽和二塩基酸のジアリルエ
ステル類、ジアリルエーテル、トリアリルシアヌレート
、トリアリルインシアヌレート、トリアリルトリメリテ
ート及びエチレングリコールジビニルエーテル、n−ブ
タンジオールジビニルエーテル、デカンジビニルエーテ
J呟オクタデカンジビニルエーテルなどのジビニルエー
テル類、エチレングリフールジメタクリレート、ジエチ
レングリコールジメタクリレート、トリエチレングリコ
ールジメタクリレート、ジエチレングリコールジアクリ
レート、トリエチレングリコールジアクリレートなどの
多価アルコールのジメタクリルエステルあるいはジアク
リルエステル類、トリメチロールプロパントリメタクリ
レート、トリメチロールプロパントリメタクリレート、
トリメチロールエタントリメタクリレート、トリメチロ
ールプロノくントリアクリレート、トリメチロールエタ
ントリアクリレート、テトラメチロ−Jレメタントリア
クリレートなどの多価アルコールのトリメタクリルエス
テルあるいはトリアクリルエステル類、さらにはビスメ
タクリロイルオキシエチレンフタレート、1,3.5−
トリアクリロイルへキサヒドロトリアジンなどの多官能
性化合物を添加し、重合することにより、所望量のゲル
分を含有するものを直接製造してもよいし、あるいは塩
化ビニルと前記の多官能性化合物を重合させてゲルを生
成し、これを通常の方法によって製造されたテトラヒド
ロフランに可溶の垣化ビニル樹脂と混合することにより
製造してもよい。Such vinyl chloride resins contain diallyl esters of heptatalic acid such as diallyl phthalate, diallyl iso-7thalate, and diallyl terephthalate, and ethylenic inorganics such as diallyl maleate, diallyl fumarate, and diallylitaconate in the vinyl chloride polymerization system. Diallyl esters of saturated dibasic acids, diallyl esters of saturated dibasic acids such as diallyl adipate, diallyl azelate, diallyl sebacate, diallyl ether, triallyl cyanurate, triallyl in cyanurate, triallyl trimellitate and ethylene Divinyl ethers such as glycol divinyl ether, n-butanediol divinyl ether, decane divinyl ether, octadecane divinyl ether, ethylene glycol dimethacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethacrylate, diethylene glycol diacrylate, triethylene glycol diacrylate Dimethacrylic esters or diacrylic esters of polyhydric alcohols such as, trimethylolpropane trimethacrylate, trimethylolpropane trimethacrylate,
Trimethacrylic esters or triacrylic esters of polyhydric alcohols such as trimethylolethane trimethacrylate, trimethylolpronocontriacrylate, trimethylolethane triacrylate, tetramethylo-J remethane triacrylate, and bismethacryloyloxyethylene phthalate, 1 ,3.5-
A product containing a desired amount of gel content may be directly produced by adding a polyfunctional compound such as triacryloylhexahydrotriazine and polymerizing it, or by combining vinyl chloride and the polyfunctional compound described above. It may be prepared by polymerizing to form a gel, which is mixed with a tetrahydrofuran-soluble vinyl resin prepared by conventional methods.
本発明組成物において、該(B)成分として用いられる
塩化ビニル系樹脂は、塩化ビニル単独重合体であっても
よいし、塩化ビニルを主体とし、これと共重合可能な単
量体との共重合体であってもよい。該共重合可能な単量
体としては、例えば脂肪酸ビニルエステル、ビニリデン
ノ1ライド、アクリル酸アルキルエステル、メタクリル
酸アルキルエステル、アクリロニトリル、アルキルビニ
ルエーテル、スチレン及びその誘導体などが挙げられる
。また、該(B)成分の塩化ビニル系樹脂は1種用いて
もよいし、2種以上を組み合わせて用いてもよく、その
配合量は、前記(A)成分のポリウレタン含有反応生成
物100重量部当たり、10〜300重量部の範囲で選
ばれる。この量が10重量部未満では混線機への付着が
多く、作業性に劣るし、300重量部を超えると硬度が
高くなりすぎ、満足しうるエアーバッグカバーが得られ
にくくなる。In the composition of the present invention, the vinyl chloride resin used as the component (B) may be a vinyl chloride homopolymer or a copolymer mainly composed of vinyl chloride and a monomer copolymerizable with it. It may also be a polymer. Examples of the copolymerizable monomer include fatty acid vinyl ester, vinylidene 1ride, acrylic acid alkyl ester, methacrylic acid alkyl ester, acrylonitrile, alkyl vinyl ether, styrene and its derivatives. In addition, the vinyl chloride resin of the component (B) may be used alone or in combination of two or more, and the blending amount is based on 100% of the weight of the polyurethane-containing reaction product of the component (A). The amount is selected in the range of 10 to 300 parts by weight. If this amount is less than 10 parts by weight, there will be a lot of adhesion to the crosstalk machine, resulting in poor workability; if it exceeds 300 parts by weight, the hardness will become too high, making it difficult to obtain a satisfactory airbag cover.
本発明組成物において、場合により(C)成分として用
いられる可塑剤については特に制限はなく、従来塩化ビ
ニル系樹脂の可塑剤として慣用されているものの中から
任意のものを選択して用いることができる。該可塑剤と
しては、例えばジメチル7タレート、ジエチル7タレー
ト、ジブチルフタレート、ジー(2−エチルヘキシル)
フタレート、ジ−n−オクチルフタレート、ジイソブチ
ル7タレート、ジアリルアゼレート、ジフェニルフタレ
ート、ジイソデシルフタレート、ジトリデシルフタレー
ト、ジイソデシルフタレート、ジ(ヘプチル、ノニル、
ウンデシル)フタレート、ベンジルフタレート、プチル
ベンジルフクレートジイソノニルフタレート、ジシクロ
ヘキシルフタレートなどの7タル酸誘導体、ジメチルイ
ソフタレート、ジー(2−エチルヘキシル)イン7タレ
ート、ジイソオクチルイソフタレートなどのイソフタル
酸誘導体、ジー(2−エチルヘキシル)テロラヒドロフ
タレート、ジ−n−オクチルテトラヒドロフタレート、
ジイソデシルテトラヒドロフタレートなどのテトラヒド
ロフタル酸誘導体、ジ−n−ブチルアジペート、ジー(
2−エチルヘキシル)アジペート、ジイソデシルアジペ
ート、ジイソノニルアジペートなどのアジピン酸誘導体
、ジー(2−エチルヘキシル)アゼレート、ジイソオク
チルアゼレート、ジ−n−ヘキシルアゼレートなどのア
ゼライン酸誘導体、ジ−n−ブチルセバケート、ジー(
2−エチルヘキシル)セバケートなどのセバシン酸誘導
体、ジ−n−ブチルマレート、ジメチルマレート、ジエ
チルマレート、ジー(2−エチルヘキシル)マレートな
どのマレイン酸誘導体、ジ−n−ブチル7マレート、ジ
ー(2−エチルヘキシル)フマレートなどの7マル酸誘
導体、トリー(2−エチルヘキシル)トリメリテート、
トリーn−オクチルトリメリテート、トリイソデシルト
リメリテート、トリイソオクチルトリメリテート、トリ
ーn−へキシルトリメリテート、トリイソノニルトリメ
リテートなどのトリメリット酸誘導体、テトラ−(2−
エチルヘキシル)ピロメリテート、テトラ−n−オクチ
ルピロメリテートなどのピロメリット酸誘導体、トリエ
チルシトレート、トリーn−ブチルシトレート、アセチ
ルトリエチルシトレート、アセチル−トリー(2−エチ
ルヘキシル)シトレートなどのクエン酸誘導体、モノメ
チルイタコネート、モツプチルイタコネート、ジメチル
イタコネート、ジエチルイタコネート、ジブチルイタコ
ネート、ジー(2−エチルヘキシル)イタコネートなど
のイタコン酸誘導体、ブチルオレート、グリセリルモノ
オレート、ジエチレングリコールモノオレートなどのオ
レイン酸誘導体、メチルアセチルリシルレート、ブチル
アセチルリシルレート、グリセリルモノリシルレート、
ジエチレングリコールモノリシルレートなどのリシノー
ル酸誘導体、n−ブチルステアレート、グリセリルモノ
ステアレート、ジエチレングリコールジステアレートな
どのステアリン厳誘導体、ジエチレングリコールモノラ
ウレート、ジエチレングリコールジステアレ−ト、ペン
タエリスリトール脂肪酸エステルなどのその他の脂肪酸
誘導体、トリエチルホスフェート、トリブチルホスフェ
ート、トリー(2−エチルヘキシル)ホスフェート、ト
リプトキシエチルホスフェート、トリフェニルホスフェ
ート、タレジルジフェニルホスフェート、トリクレジル
ホスフェート、トリキシレニルホスフェート、トリクロ
ロエチルホスフェートなどのリン酸誘導体、ジエチレン
グリコールジベンゾエート、ジプロピレングリコールジ
ベンゾエート、トリエチレングリコールジベンゾエート
、トリエチレングリコールジー(2−エチルブチレート
)、トリエチレングリコールジー(2−エチルヘキソエ
ート)、ジブチルメチレンビスチオグリコレートなどの
グリコール誘導体、グリセロールモノアセテート、グリ
セロールトリアセテート、グリセロールトリブチレート
などのグリセリン誘導体、エポキシ化大豆油、エポキシ
ブチルステアレート、エポキシへキサヒドロフタル酸ジ
ー2−エチルヘキシル、エポキシへキサヒドロフタル酸
ジイソデシル、エポキシトリグリセライド、エポキシ化
オレイン酸オクチル、エポキシ化オレイン酸デシルなど
のエポキシ誘導体、アジピン酸系ポリエステル、セバシ
ン酸系ポリエステル、フタル酸系ポリエステルなどのポ
リエステル系可塑剤などが挙げられる。In the composition of the present invention, there are no particular restrictions on the plasticizer that may be used as component (C), and any plasticizer that is conventionally used as a plasticizer for vinyl chloride resins may be selected and used. can. Examples of the plasticizer include dimethyl 7-talate, diethyl 7-talate, dibutyl phthalate, di(2-ethylhexyl)
Phthalate, di-n-octyl phthalate, diisobutyl 7-thaleate, diallyl azelate, diphenyl phthalate, diisodecyl phthalate, ditridecyl phthalate, diisodecyl phthalate, di(heptyl, nonyl,
undecyl) phthalate, benzyl phthalate, butylbenzylfucrate diisononyl phthalate, dicyclohexyl phthalate, isophthalic acid derivatives such as dimethyl isophthalate, di(2-ethylhexyl)ine 7thaleate, diisooctylisophthalate, di( 2-ethylhexyl)tetrahydrophthalate, di-n-octyltetrahydrophthalate,
Tetrahydrophthalic acid derivatives such as diisodecyltetrahydrophthalate, di-n-butyl adipate, di(
Adipic acid derivatives such as 2-ethylhexyl) adipate, diisodecyl adipate, and diisononyl adipate; azelaic acid derivatives such as di(2-ethylhexyl) azelate, diisooctyl azelate, and di-n-hexyl azelate; di-n-butyl sebacate; G (
Sebacic acid derivatives such as 2-ethylhexyl) sebacate, maleic acid derivatives such as di-n-butyl maleate, dimethyl maleate, diethyl maleate, di(2-ethylhexyl) maleate, di-n-butyl 7-malate, di(2-ethylhexyl) maleate, etc. 7-malic acid derivatives such as ethylhexyl) fumarate, tri(2-ethylhexyl) trimellitate,
trimellitic acid derivatives such as tri-n-octyl trimellitate, triisodecyl trimellitate, triisooctyl trimellitate, tri-n-hexyl trimellitate, triisononyl trimellitate, tetra-(2-
pyromellitic acid derivatives such as ethylhexyl)pyromellitate and tetra-n-octylpyromellitate; citric acid derivatives such as triethyl citrate, tri-n-butyl citrate, acetyltriethyl citrate, and acetyl-tri(2-ethylhexyl) citrate; Itaconic acid derivatives such as monomethyl itaconate, motuputyl itaconate, dimethyl itaconate, diethyl itaconate, dibutyl itaconate, di-(2-ethylhexyl) itaconate, oleic acid derivatives such as butyl oleate, glyceryl monooleate, diethylene glycol monooleate, Methyl acetyl lysyllate, butylacetyl lysyllate, glyceryl monolysyllate,
Ricinoleic acid derivatives such as diethylene glycol monolysyllate, stearin derivatives such as n-butyl stearate, glyceryl monostearate, diethylene glycol distearate, other such as diethylene glycol monolaurate, diethylene glycol distearate, pentaerythritol fatty acid esters fatty acid derivatives, phosphoric acid derivatives such as triethyl phosphate, tributyl phosphate, tri(2-ethylhexyl) phosphate, triptoxyethyl phosphate, triphenyl phosphate, talesyl diphenyl phosphate, tricresyl phosphate, tricylenyl phosphate, trichloroethyl phosphate; Glycols such as diethylene glycol dibenzoate, dipropylene glycol dibenzoate, triethylene glycol dibenzoate, triethylene glycol di(2-ethyl butyrate), triethylene glycol di(2-ethylhexoate), dibutyl methylene bisthioglycolate derivatives, glycerin derivatives such as glycerol monoacetate, glycerol triacetate, glycerol tributyrate, epoxidized soybean oil, epoxybutyl stearate, di-2-ethylhexyl epoxy hexahydrophthalate, diisodecyl epoxy hexahydrophthalate, epoxy triglyceride, Examples include epoxy derivatives such as epoxidized octyl oleate and epoxidized decyl oleate, and polyester plasticizers such as adipic acid polyester, sebacic acid polyester, and phthalic acid polyester.
これらの可塑剤は1種用いてもよいし、2種以上を組み
合わせて用いてもよく、その配合量は、前記(A)成分
の反応生成物100重量部当たり、0〜200重量部の
範囲で選ばれる。この量が200重量部を超えると生産
性や加工性が低下するとともに、高温でのエアーバッグ
展開時にエアーバッグカバーの開裂部具外に亀裂が生じ
るおそれが出てくる。These plasticizers may be used alone or in combination of two or more, and the amount thereof is in the range of 0 to 200 parts by weight per 100 parts by weight of the reaction product of component (A). selected. If this amount exceeds 200 parts by weight, productivity and processability will decrease, and there is a risk that cracks will form outside the tearing tool of the airbag cover when the airbag is deployed at high temperatures.
本発明組成物には、所望に応じ、本発明の目的を損なわ
ない範囲で、他の熱可塑性樹脂、ゴム、熱安定剤、充填
剤、顔料、加工助剤などを配合してもよい。The composition of the present invention may contain other thermoplastic resins, rubbers, heat stabilizers, fillers, pigments, processing aids, etc., as desired, within the range that does not impair the purpose of the present invention.
他の熱可塑性樹脂としては、例えば一般の塩化ビニル系
樹脂、エチレン−酢酸ビニル共電合体、塩素化ポリエチ
レン、ABS樹脂、AS樹脂、ポリウレタン、アクリル
系樹脂などが挙げられ、ゴムとしては、NBR,CRな
どが用いられる。Other thermoplastic resins include, for example, general vinyl chloride resins, ethylene-vinyl acetate coelectrolytes, chlorinated polyethylene, ABS resins, AS resins, polyurethane, acrylic resins, etc. Rubbers include NBR, CR etc. are used.
熱安定剤としては、例えば三塩基性硫酸鉛などの鉛系熱
安定剤、ジブチルスズマレートなどのスズ系安定剤、ス
テアリン酸亜鉛、ステアリン酸カルシウム、ステアリン
酸バリウムなどの金属セッケンなどを挙げることができ
、その添加量は(A)成分の反応生成物100重量部に
対し、一般に5重量部以下である。Examples of heat stabilizers include lead-based heat stabilizers such as tribasic lead sulfate, tin-based stabilizers such as dibutyltin malate, and metal soaps such as zinc stearate, calcium stearate, and barium stearate. The amount added is generally 5 parts by weight or less per 100 parts by weight of the reaction product of component (A).
充填剤としては、例えばカーボンブラック、炭酸カルシ
ウム、酸化チタン、タルク、マイカ、アスベスト、水酸
化アルミニウム、水酸化マグネシウムなどが挙げられ、
その添加量は、(A)成分の反応生成物100重量部に
対し、一般に100重量部以下である。Examples of fillers include carbon black, calcium carbonate, titanium oxide, talc, mica, asbestos, aluminum hydroxide, magnesium hydroxide, etc.
The amount added is generally 100 parts by weight or less per 100 parts by weight of the reaction product of component (A).
顔料としては、カーボンブラック、クロムイエロー、酸
化チタン、フタロシアニングリーンなどを挙げることが
でき、その添加量は一般に5重量部以下である。Examples of the pigment include carbon black, chrome yellow, titanium oxide, and phthalocyanine green, and the amount added is generally 5 parts by weight or less.
加工助剤としては低分子量ポリエチレン、高級脂肪酸エ
ステルなど通常塩化ビニル系樹脂に使用されるものが用
いられる。As processing aids, those commonly used for vinyl chloride resins, such as low molecular weight polyethylene and higher fatty acid esters, are used.
本発明のエアーバッグカバー用樹脂組成物の調製方法に
ついては特に制限はなく、従来塩化ビニル系樹脂組成物
の調製において慣用されている方法を用いることができ
る。例えば前記の(A)成分の反応生成物、(B)成分
の塩化ビニル系樹脂及び場合により用いられる(C)成
分の可塑剤や各種添加成分を、スーパーミキサーやブレ
ンダーなどの混合機により混合したのち、この混合物を
バンバリーミキサ−、ミキシングロール、押出機などで
造粒混練することにより、本発明組成物を調製すること
ができる。There are no particular limitations on the method for preparing the resin composition for airbag covers of the present invention, and methods conventionally used in the preparation of vinyl chloride resin compositions can be used. For example, the reaction product of the component (A), the vinyl chloride resin of the component (B), and the plasticizer and various additive components of the component (C), which are optionally used, are mixed in a mixer such as a super mixer or a blender. Thereafter, the composition of the present invention can be prepared by granulating and kneading this mixture using a Banbury mixer, mixing roll, extruder, or the like.
このようにして調製された本発明組成物は、JIS
K−6301A型による硬度が40−90の範囲にある
ことが必要である。この硬度が前記範囲を逸脱すると、
エアーバッグの展開性及びその展開時の耐飛散性に優れ
t;エアーバッグカバーが得られにくく、本発明の目的
が十分に達せられない。The composition of the present invention thus prepared is JIS
It is necessary that the hardness according to type K-6301A be in the range of 40-90. If this hardness deviates from the above range,
The airbag has excellent deployability and scattering resistance during deployment; it is difficult to obtain an airbag cover, and the object of the present invention cannot be fully achieved.
前記樹脂組成物を、一般の軟質塩化ビニル系樹脂と同様
に、射出成形、ブロー成形、圧縮成形などの方法で成形
することにより、本発明のエア−バッグカバーが得られ
る。The airbag cover of the present invention can be obtained by molding the resin composition by injection molding, blow molding, compression molding, or the like in the same manner as general soft vinyl chloride resins.
このエアーバッグカバーは、前記したような硬度を有し
一40℃〜90℃の範囲の温度において、エアーバッグ
の展開性及びその展開時の耐飛散性に優れている上、良
好な外観を有している。This airbag cover has the above-mentioned hardness and has excellent airbag deployability and shatter resistance during deployment at temperatures ranging from -40°C to 90°C, and also has a good appearance. are doing.
[実施例]
次に実施例により本発明をさらに詳細に説明するが、本
発明はこれらの例によってなんら限定されるものではな
い。[Examples] Next, the present invention will be explained in more detail with reference to Examples, but the present invention is not limited to these Examples in any way.
なお、樹脂組成物の硬度及びエアーバッグカバの物性は
次のようにして求めた。The hardness of the resin composition and the physical properties of the airbag cover were determined as follows.
(1)樹脂組成物の硬度
樹脂組成物ペレットからプレスシートを作成し、JIS
K〜6 :Lo 1 A型により、硬度を求めた。(1) Hardness of the resin composition A press sheet is made from the resin composition pellets, and the JIS
K~6: Hardness was determined by Lo 1 A type.
(2)エアーバッグカバーの物性 (イ)外観 目視観察により、次の判定基準に従って評価しt二。(2) Physical properties of airbag cover (a) Appearance Evaluated by visual observation according to the following criteria.
O:良好、Δ:やや不良、×:不良
(ロ)エアーバッグの展開性
エアーバッグの展開試験により、次の判定基準に従って
評価した。O: Good, Δ: Slightly Poor, ×: Poor (B) Deployment of Air Bag Evaluation was performed by an air bag deployment test according to the following criteria.
○:エアーバッグ力バーの開裂部より、良好に展開した
。○: The airbag was successfully expanded from the ruptured part of the airbag force bar.
X:エアーバッグカバーの開裂部具外に亀裂が生じたり
、カバーが飛散し、
エアーバッグが良好に展開しなかった。X: Cracks appeared outside the tearing part of the airbag cover, the cover was scattered, and the airbag did not deploy properly.
実施例1〜13、比較例1〜5
第1表に示す種類と量の各成分をバンバリーミキサ−で
混練し、ペレット化して硬度を求めた。Examples 1 to 13, Comparative Examples 1 to 5 Each component of the type and amount shown in Table 1 was kneaded in a Banbury mixer, pelletized, and the hardness was determined.
次に、このペレットを用いて、射出成形機により、エア
ーバッグ展開時のエアーバッグカバーの開裂部の厚み0
、5111%エアーバッグカバーの開裂部以外の厚み
2〜5msのエアーバッグカバーの成形品を作成し、外
観及び90℃、23℃、−40℃におけるエアーバッグ
展開性を評価した。Next, using this pellet, an injection molding machine is used to make the thickness of the ruptured part of the airbag cover 0 when the airbag is deployed.
, 5111% An airbag cover molded product having a thickness of 2 to 5 ms other than the ruptured portion of the airbag cover was prepared, and the appearance and airbag expandability at 90°C, 23°C, and -40°C were evaluated.
これらの結果を第1表に示す。These results are shown in Table 1.
なお、各成分の商品名及び略号は次を意味するに550
F:
東しく株)製、ドミナスに550F
ポリウレタン含有量55重量%
に650F:
東しく株)製、ドミナスに650F
ポリウレタン含有量50重量%
に700F:
東しく株)製、ドミナスに700F
ポリウレタン含有量45重量%
に800F:
東しく株)製、ドミナスに800F
ポリウレタン含有量40重量%
に900F:
東しく株)製、ドミナスに900F
ポリウレタン含有量30重量%
DOP:
2−エチルへキシルフタレート
DO2:
アゼライン酸ジオクチル
TOTMニ
トリメリット酸トリオクチル
ポリサイザーP−103:
大日本インキ(株)製、
ポリエステル系可塑剤
(以下余白)
箪
l
書
[発明の効果]
本発明のエアーバッグカバー用樹脂組成物は、特定のポ
リウレタン含有樹脂に、特定の塩化ビニル系撒脂及び場
合により可塑剤を配合したものであって、この組成物か
ら成るエアーバッグカバーは、−40〜90℃の範囲の
温度において、エアーバッグ展開時に開裂部具外に亀裂
が生じたり、該カバーが飛散することがなく、エアーバ
ッグ展開性に優れている。The product names and abbreviations of each component mean the following: 550
F: Made by Toshishiki Co., Ltd., Dominus 550F Polyurethane content 55% by weight 650F: Made by Toshishiku Co., Ltd., Dominus 650F Polyurethane content 50% by weight 700F: Made by Toshishiki Co., Ltd., Dominus 700F Polyurethane content 45% by weight 800F: manufactured by Toshishiki Co., Ltd., Dominus 800F Polyurethane content: 40% by weight 900F: manufactured by Toshishiku Co., Ltd., Dominus 900F Polyurethane content 30% by weight DOP: 2-Ethylhexyl phthalate DO2: Azelain Dioctyl acid TOTM Trioctyl nitrimellitate Polysizer P-103: Manufactured by Dainippon Ink Co., Ltd., polyester plasticizer (hereinafter referred to as the margin) [Effects of the invention] The resin composition for air bag covers of the present invention has the following properties: A specific polyurethane-containing resin is blended with a specific vinyl chloride-based oil and optionally a plasticizer, and an airbag cover made of this composition can be used for airbags at temperatures in the range of -40 to 90°C. When deployed, cracks do not occur outside the tearing tool, and the cover does not fly off, resulting in excellent airbag deployability.
また、耐候性、耐熱老化性も良好なため、長期信頼性に
優れている上、従来のポリウレタンと補強用ナイロン系
ネットの組合せに比べ、成形加工性及び生産性が良好で
ある、色合せが簡単である、リサイクルが可能である、
コストが安価であるなどの特徴を有し、利用価値は極め
て大きい。In addition, it has good weather resistance and heat aging resistance, so it has excellent long-term reliability. It also has better moldability and productivity than the conventional combination of polyurethane and reinforcing nylon net, and has better color matching. Easy, recyclable,
It has features such as low cost, and has extremely high utility value.
Claims (1)
ネート化合物とのポリウレタン含有量30〜60重量%
の反応生成物と、その100重量部当たり(B)テトラ
ヒドロフランに不溶なゲル分含有量が8〜90重量%の
塩化ビニル系樹脂10〜300重量部及び(C)可塑剤
0〜200重量部とを含有し、かつJISK−6301
A型による硬度が40〜90であることを特徴とするエ
アーバッグカバー用樹脂組成物。 2 請求項1記載のエアーバッグカバー用樹脂組成物か
ら成るエアーバッグカバー。[Claims] 1(A) Polyurethane content of polyol-containing vinyl chloride polymer and isocyanate compound: 30 to 60% by weight
per 100 parts by weight of the reaction product, (B) 10 to 300 parts by weight of a vinyl chloride resin with a gel content insoluble in tetrahydrofuran of 8 to 90% by weight, and (C) 0 to 200 parts by weight of a plasticizer. and JISK-6301
A resin composition for an airbag cover, characterized in that it has a Type A hardness of 40 to 90. 2. An airbag cover comprising the resin composition for airbag covers according to claim 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2267021A JPH04143145A (en) | 1990-10-04 | 1990-10-04 | Resin compound for air bag and air bag cover made of the same compound |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2267021A JPH04143145A (en) | 1990-10-04 | 1990-10-04 | Resin compound for air bag and air bag cover made of the same compound |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH04143145A true JPH04143145A (en) | 1992-05-18 |
Family
ID=17438956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2267021A Pending JPH04143145A (en) | 1990-10-04 | 1990-10-04 | Resin compound for air bag and air bag cover made of the same compound |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH04143145A (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04146841A (en) * | 1990-10-05 | 1992-05-20 | Toyoda Gosei Co Ltd | Cover for air bag |
JPH06321044A (en) * | 1993-03-17 | 1994-11-22 | Morton Internatl Inc | Elastic cover for air bag device |
US5804121A (en) * | 1995-04-21 | 1998-09-08 | Davidson Textron Inc. | Method of forming a motor vehicle instrument panel with a flexibly tethered air bag deployment door |
US6460880B1 (en) | 1995-04-21 | 2002-10-08 | Textron Automotive Company, Inc. | Method of forming a motor vehicle instrument panel with a flexibly tethered air bag deployment door |
FR2825096A1 (en) * | 2001-05-22 | 2002-11-29 | Atofina | Composite skin for parts of a passenger compartment equipped with an integral airbag has a ductile layer comprising polyvinyl chloride and a compatible polymer with good low-temperature properties |
WO2002094610A3 (en) * | 2001-05-22 | 2003-10-09 | Atofina | Composite skin for instrument panel and other parts of vehicle passenger compartment, method for making same and composition used for preparing same and method for producing it |
-
1990
- 1990-10-04 JP JP2267021A patent/JPH04143145A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04146841A (en) * | 1990-10-05 | 1992-05-20 | Toyoda Gosei Co Ltd | Cover for air bag |
JPH06321044A (en) * | 1993-03-17 | 1994-11-22 | Morton Internatl Inc | Elastic cover for air bag device |
US5804121A (en) * | 1995-04-21 | 1998-09-08 | Davidson Textron Inc. | Method of forming a motor vehicle instrument panel with a flexibly tethered air bag deployment door |
US6460880B1 (en) | 1995-04-21 | 2002-10-08 | Textron Automotive Company, Inc. | Method of forming a motor vehicle instrument panel with a flexibly tethered air bag deployment door |
FR2825096A1 (en) * | 2001-05-22 | 2002-11-29 | Atofina | Composite skin for parts of a passenger compartment equipped with an integral airbag has a ductile layer comprising polyvinyl chloride and a compatible polymer with good low-temperature properties |
WO2002094610A3 (en) * | 2001-05-22 | 2003-10-09 | Atofina | Composite skin for instrument panel and other parts of vehicle passenger compartment, method for making same and composition used for preparing same and method for producing it |
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