JP2010254914A - Flame-retardant styrene foam-based resin composition - Google Patents
Flame-retardant styrene foam-based resin composition Download PDFInfo
- Publication number
- JP2010254914A JP2010254914A JP2009109561A JP2009109561A JP2010254914A JP 2010254914 A JP2010254914 A JP 2010254914A JP 2009109561 A JP2009109561 A JP 2009109561A JP 2009109561 A JP2009109561 A JP 2009109561A JP 2010254914 A JP2010254914 A JP 2010254914A
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- Prior art keywords
- bromine
- organic compound
- containing organic
- flame
- resin composition
- 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.)
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 239000003063 flame retardant Substances 0.000 title claims abstract description 40
- 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 title claims abstract description 39
- 239000006260 foam Substances 0.000 title claims abstract description 26
- 239000011342 resin composition Substances 0.000 title claims abstract description 19
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052794 bromium Inorganic materials 0.000 claims abstract description 42
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 41
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 35
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000011347 resin Substances 0.000 claims abstract description 30
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 125000001246 bromo group Chemical group Br* 0.000 claims abstract description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 5
- 238000005187 foaming Methods 0.000 claims description 11
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- 229920001890 Novodur Polymers 0.000 claims description 8
- XUMFBUWGVLTWTH-UHFFFAOYSA-N 1,2-dibromo-3-(2,3-dibromo-2-methylpropoxy)-2-methylpropane Chemical group BrCC(Br)(C)COCC(C)(Br)CBr XUMFBUWGVLTWTH-UHFFFAOYSA-N 0.000 claims description 5
- VEORPZCZECFIRK-UHFFFAOYSA-N 3,3',5,5'-tetrabromobisphenol A Chemical compound C=1C(Br)=C(O)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(O)C(Br)=C1 VEORPZCZECFIRK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 229920005990 polystyrene resin Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 3
- 239000004604 Blowing Agent Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- OZHJEQVYCBTHJT-UHFFFAOYSA-N 1,2,3,4,5-pentabromo-6-methylbenzene Chemical compound CC1=C(Br)C(Br)=C(Br)C(Br)=C1Br OZHJEQVYCBTHJT-UHFFFAOYSA-N 0.000 claims description 2
- DYIZJUDNMOIZQO-UHFFFAOYSA-N 4,5,6,7-tetrabromo-2-[2-(4,5,6,7-tetrabromo-1,3-dioxoisoindol-2-yl)ethyl]isoindole-1,3-dione Chemical compound O=C1C(C(=C(Br)C(Br)=C2Br)Br)=C2C(=O)N1CCN1C(=O)C2=C(Br)C(Br)=C(Br)C(Br)=C2C1=O DYIZJUDNMOIZQO-UHFFFAOYSA-N 0.000 claims description 2
- CAYGQBVSOZLICD-UHFFFAOYSA-N hexabromobenzene Chemical compound BrC1=C(Br)C(Br)=C(Br)C(Br)=C1Br CAYGQBVSOZLICD-UHFFFAOYSA-N 0.000 claims description 2
- XRQKNNNAKHZPSP-UHFFFAOYSA-N 1,3-dibromo-5-[2-(3,5-dibromo-4-methoxyphenyl)propan-2-yl]-2-methoxybenzene Chemical compound C1=C(Br)C(OC)=C(Br)C=C1C(C)(C)C1=CC(Br)=C(OC)C(Br)=C1 XRQKNNNAKHZPSP-UHFFFAOYSA-N 0.000 claims 1
- 229920006248 expandable polystyrene Polymers 0.000 claims 1
- WPZJSWWEEJJSIZ-UHFFFAOYSA-N tetrabromobisphenol-F Natural products C1=C(Br)C(O)=C(Br)C=C1CC1=CC(Br)=C(O)C(Br)=C1 WPZJSWWEEJJSIZ-UHFFFAOYSA-N 0.000 claims 1
- 239000004088 foaming agent Substances 0.000 abstract description 13
- -1 2,3-dibromopropyl group Chemical group 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 5
- 239000004793 Polystyrene Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010097 foam moulding Methods 0.000 description 4
- 239000012760 heat stabilizer Substances 0.000 description 4
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000002667 nucleating agent Substances 0.000 description 4
- HGTUJZTUQFXBIH-UHFFFAOYSA-N (2,3-dimethyl-3-phenylbutan-2-yl)benzene Chemical compound C=1C=CC=CC=1C(C)(C)C(C)(C)C1=CC=CC=C1 HGTUJZTUQFXBIH-UHFFFAOYSA-N 0.000 description 3
- DEIGXXQKDWULML-UHFFFAOYSA-N 1,2,5,6,9,10-hexabromocyclododecane Chemical compound BrC1CCC(Br)C(Br)CCC(Br)C(Br)CCC1Br DEIGXXQKDWULML-UHFFFAOYSA-N 0.000 description 3
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 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 3
- 239000002994 raw material Substances 0.000 description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 description 3
- 239000000454 talc Substances 0.000 description 3
- 229910052623 talc Inorganic materials 0.000 description 3
- 239000003017 thermal stabilizer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- YATIGPZCMOYEGE-UHFFFAOYSA-N 1,3,5-tribromo-2-[2-(2,4,6-tribromophenoxy)ethoxy]benzene Chemical compound BrC1=CC(Br)=CC(Br)=C1OCCOC1=C(Br)C=C(Br)C=C1Br YATIGPZCMOYEGE-UHFFFAOYSA-N 0.000 description 2
- LXIZRZRTWSDLKK-UHFFFAOYSA-N 1,3-dibromo-5-[2-[3,5-dibromo-4-(2,3-dibromopropoxy)phenyl]propan-2-yl]-2-(2,3-dibromopropoxy)benzene Chemical compound C=1C(Br)=C(OCC(Br)CBr)C(Br)=CC=1C(C)(C)C1=CC(Br)=C(OCC(Br)CBr)C(Br)=C1 LXIZRZRTWSDLKK-UHFFFAOYSA-N 0.000 description 2
- CMQUQOHNANGDOR-UHFFFAOYSA-N 2,3-dibromo-4-(2,4-dibromo-5-hydroxyphenyl)phenol Chemical compound BrC1=C(Br)C(O)=CC=C1C1=CC(O)=C(Br)C=C1Br CMQUQOHNANGDOR-UHFFFAOYSA-N 0.000 description 2
- BDFBPPCACYFGFA-UHFFFAOYSA-N 2,4,6-tris(2,4,6-tribromophenoxy)-1,3,5-triazine Chemical compound BrC1=CC(Br)=CC(Br)=C1OC1=NC(OC=2C(=CC(Br)=CC=2Br)Br)=NC(OC=2C(=CC(Br)=CC=2Br)Br)=N1 BDFBPPCACYFGFA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Chemical compound O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 description 2
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000001282 iso-butane Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 1
- RGASRBUYZODJTG-UHFFFAOYSA-N 1,1-bis(2,4-ditert-butylphenyl)-2,2-bis(hydroxymethyl)propane-1,3-diol dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C(O)(C(CO)(CO)CO)C1=C(C=C(C=C1)C(C)(C)C)C(C)(C)C RGASRBUYZODJTG-UHFFFAOYSA-N 0.000 description 1
- NPNPZTNLOVBDOC-UHFFFAOYSA-N 1,1-difluoroethane Chemical compound CC(F)F NPNPZTNLOVBDOC-UHFFFAOYSA-N 0.000 description 1
- QNEVKCBGTUWWOH-UHFFFAOYSA-N 1,2,3,4-tetrakis(2,4-ditert-butylphenyl)-5-phenylbenzene Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1C(C(=C1C=2C(=CC(=CC=2)C(C)(C)C)C(C)(C)C)C=2C(=CC(=CC=2)C(C)(C)C)C(C)(C)C)=CC(C=2C=CC=CC=2)=C1C1=CC=C(C(C)(C)C)C=C1C(C)(C)C QNEVKCBGTUWWOH-UHFFFAOYSA-N 0.000 description 1
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 description 1
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 description 1
- XYXJKPCGSGVSBO-UHFFFAOYSA-N 1,3,5-tris[(4-tert-butyl-3-hydroxy-2,6-dimethylphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C)=C1CN1C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C1=O XYXJKPCGSGVSBO-UHFFFAOYSA-N 0.000 description 1
- YHMYGUUIMTVXNW-UHFFFAOYSA-N 1,3-dihydrobenzimidazole-2-thione Chemical compound C1=CC=C2NC(S)=NC2=C1 YHMYGUUIMTVXNW-UHFFFAOYSA-N 0.000 description 1
- BHNZEZWIUMJCGF-UHFFFAOYSA-N 1-chloro-1,1-difluoroethane Chemical compound CC(F)(F)Cl BHNZEZWIUMJCGF-UHFFFAOYSA-N 0.000 description 1
- BOUGCJDAQLKBQH-UHFFFAOYSA-N 1-chloro-1,2,2,2-tetrafluoroethane Chemical compound FC(Cl)C(F)(F)F BOUGCJDAQLKBQH-UHFFFAOYSA-N 0.000 description 1
- OEVVKKAVYQFQNV-UHFFFAOYSA-N 1-ethenyl-2,4-dimethylbenzene Chemical compound CC1=CC=C(C=C)C(C)=C1 OEVVKKAVYQFQNV-UHFFFAOYSA-N 0.000 description 1
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 description 1
- JZHGRUMIRATHIU-UHFFFAOYSA-N 1-ethenyl-3-methylbenzene Chemical compound CC1=CC=CC(C=C)=C1 JZHGRUMIRATHIU-UHFFFAOYSA-N 0.000 description 1
- VNAFWALXWOAPCK-UHFFFAOYSA-N 1-phenyl-2,3-dihydro-1h-indene Chemical compound C1CC2=CC=CC=C2C1C1=CC=CC=C1 VNAFWALXWOAPCK-UHFFFAOYSA-N 0.000 description 1
- ZMYIIHDQURVDRB-UHFFFAOYSA-N 1-phenylethenylbenzene Chemical group C=1C=CC=CC=1C(=C)C1=CC=CC=C1 ZMYIIHDQURVDRB-UHFFFAOYSA-N 0.000 description 1
- GXURZKWLMYOCDX-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)propane-1,3-diol;dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.OCC(CO)(CO)CO GXURZKWLMYOCDX-UHFFFAOYSA-N 0.000 description 1
- PNZLJNVUTPFUIE-UHFFFAOYSA-N 2,3-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]propyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)OC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 PNZLJNVUTPFUIE-UHFFFAOYSA-N 0.000 description 1
- KMHSUNDEGHRBNV-UHFFFAOYSA-N 2,4-dichloropyrimidine-5-carbonitrile Chemical compound ClC1=NC=C(C#N)C(Cl)=N1 KMHSUNDEGHRBNV-UHFFFAOYSA-N 0.000 description 1
- GJDRKHHGPHLVNI-UHFFFAOYSA-N 2,6-ditert-butyl-4-(diethoxyphosphorylmethyl)phenol Chemical compound CCOP(=O)(OCC)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 GJDRKHHGPHLVNI-UHFFFAOYSA-N 0.000 description 1
- CTOIGOKFMHRTSR-UHFFFAOYSA-N 2-(3,5-ditert-butyl-4-hydroxyphenyl)-n-[6-[2-(3,5-ditert-butyl-4-hydroxyphenyl)propanoylamino]hexyl]propanamide Chemical compound C=1C(C(C)(C)C)=C(O)C(C(C)(C)C)=CC=1C(C)C(=O)NCCCCCCNC(=O)C(C)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 CTOIGOKFMHRTSR-UHFFFAOYSA-N 0.000 description 1
- BIOCRZSYHQYVSG-UHFFFAOYSA-N 2-(4-ethenylphenyl)-n,n-diethylethanamine Chemical compound CCN(CC)CCC1=CC=C(C=C)C=C1 BIOCRZSYHQYVSG-UHFFFAOYSA-N 0.000 description 1
- FVEAIIZMVQXSQE-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-2-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-2-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=CC(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O FVEAIIZMVQXSQE-UHFFFAOYSA-N 0.000 description 1
- QSRJVOOOWGXUDY-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 QSRJVOOOWGXUDY-UHFFFAOYSA-N 0.000 description 1
- TVWGHFVGFWIHFN-UHFFFAOYSA-N 2-hexadecan-2-yl-4,6-dimethylphenol Chemical compound CCCCCCCCCCCCCCC(C)C1=CC(C)=CC(C)=C1O TVWGHFVGFWIHFN-UHFFFAOYSA-N 0.000 description 1
- YAQDPWONDFRAHF-UHFFFAOYSA-N 2-methyl-2-(2-methylpentan-2-ylperoxy)pentane Chemical compound CCCC(C)(C)OOC(C)(C)CCC YAQDPWONDFRAHF-UHFFFAOYSA-N 0.000 description 1
- GAODDBNJCKQQDY-UHFFFAOYSA-N 2-methyl-4,6-bis(octylsulfanylmethyl)phenol Chemical compound CCCCCCCCSCC1=CC(C)=C(O)C(CSCCCCCCCC)=C1 GAODDBNJCKQQDY-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- QRLSTWVLSWCGBT-UHFFFAOYSA-N 4-((4,6-bis(octylthio)-1,3,5-triazin-2-yl)amino)-2,6-di-tert-butylphenol Chemical compound CCCCCCCCSC1=NC(SCCCCCCCC)=NC(NC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=N1 QRLSTWVLSWCGBT-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
- ZVVFVKJZNVSANF-UHFFFAOYSA-N 6-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]hexyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCCCCCCOC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 ZVVFVKJZNVSANF-UHFFFAOYSA-N 0.000 description 1
- ADRNSOYXKABLGT-UHFFFAOYSA-N 8-methylnonyl diphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OCCCCCCCC(C)C)OC1=CC=CC=C1 ADRNSOYXKABLGT-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical class C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 1
- HUUJFOGLCYMPCS-UHFFFAOYSA-N C(C)(C)(C)C(CC(C(O[P])OC1=CC=CC=C1)CC)CCC(C)(C)C Chemical compound C(C)(C)(C)C(CC(C(O[P])OC1=CC=CC=C1)CC)CCC(C)(C)C HUUJFOGLCYMPCS-UHFFFAOYSA-N 0.000 description 1
- AZDDKJNURWNQEI-UHFFFAOYSA-N CC(C)(C)C(C=C(COP(O)=O)C=C1C(C)(C)C)=C1O Chemical compound CC(C)(C)C(C=C(COP(O)=O)C=C1C(C)(C)C)=C1O AZDDKJNURWNQEI-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- VOPWNXZWBYDODV-UHFFFAOYSA-N Chlorodifluoromethane Chemical compound FC(F)Cl VOPWNXZWBYDODV-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
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- JZFBUVFLQQQFRN-UHFFFAOYSA-N [11,15-ditert-butyl-2-[3,3-di(tridecyl)hexadecyl]-4,13-dimethyl-2-tridecyl-7,9-dioxa-8-phosphatricyclo[8.2.2.23,6]hexadeca-1(12),3(16),4,6(15),10,13-hexaen-8-yl] dihydrogen phosphite Chemical compound CCCCCCCCCCCCCC1(C2=CC(=C(C=C2C)OP(OC3=C(C=C1C(=C3)C)C(C)(C)C)OP(O)O)C(C)(C)C)CCC(CCCCCCCCCCCCC)(CCCCCCCCCCCCC)CCCCCCCCCCCCC JZFBUVFLQQQFRN-UHFFFAOYSA-N 0.000 description 1
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- VSVVZZQIUJXYQA-UHFFFAOYSA-N [3-(3-dodecylsulfanylpropanoyloxy)-2,2-bis(3-dodecylsulfanylpropanoyloxymethyl)propyl] 3-dodecylsulfanylpropanoate Chemical compound CCCCCCCCCCCCSCCC(=O)OCC(COC(=O)CCSCCCCCCCCCCCC)(COC(=O)CCSCCCCCCCCCCCC)COC(=O)CCSCCCCCCCCCCCC VSVVZZQIUJXYQA-UHFFFAOYSA-N 0.000 description 1
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- MPMSMUBQXQALQI-UHFFFAOYSA-N cobalt phthalocyanine Chemical compound [Co+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 MPMSMUBQXQALQI-UHFFFAOYSA-N 0.000 description 1
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- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 1
- 229920003244 diene elastomer Polymers 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- PWWSSIYVTQUJQQ-UHFFFAOYSA-N distearyl thiodipropionate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCCCCCC PWWSSIYVTQUJQQ-UHFFFAOYSA-N 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
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- 229910001385 heavy metal Inorganic materials 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
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- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 125000005394 methallyl group Chemical group 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- XESULCZVWZVTFC-UHFFFAOYSA-N n-[(4-ethenylphenyl)methyl]-n-ethylethanamine Chemical compound CCN(CC)CC1=CC=C(C=C)C=C1 XESULCZVWZVTFC-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- MMSLOZQEMPDGPI-UHFFFAOYSA-N p-Mentha-1,3,5,8-tetraene Chemical compound CC(=C)C1=CC=C(C)C=C1 MMSLOZQEMPDGPI-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002587 poly(1,3-butadiene) polymer Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920001296 polysiloxane Chemical class 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000012508 resin bead Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- LVEOKSIILWWVEO-UHFFFAOYSA-N tetradecyl 3-(3-oxo-3-tetradecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCC LVEOKSIILWWVEO-UHFFFAOYSA-N 0.000 description 1
- MZHULIWXRDLGRR-UHFFFAOYSA-N tridecyl 3-(3-oxo-3-tridecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCC MZHULIWXRDLGRR-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 description 1
- BIKXLKXABVUSMH-UHFFFAOYSA-N trizinc;diborate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]B([O-])[O-].[O-]B([O-])[O-] BIKXLKXABVUSMH-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
本発明は、難燃性発泡スチレン系樹脂組成物およびその発泡成形体に関する。 The present invention relates to a flame-retardant foamed styrene resin composition and a foamed molded product thereof.
スチレン系樹脂発泡体は軽量であることから、家電製品や建材などの断熱用途や盛土工法などの土木用途など、多様な分野で使用されている。 Since the styrene resin foam is lightweight, it is used in various fields such as heat insulation applications such as home appliances and building materials and civil engineering applications such as embankment methods.
スチレン系樹脂は炭素と水素のみから出来ており、一旦着火すれば黒煙を発して激しく燃える性質がある。そのため、用途によっては難燃剤を添加して難燃化する必要がある。このような難燃剤としては、含臭素化合物が広く用いられており、少ない添加量で高い難燃性を付与するには、ヘキサブロモシクロドデカン(HBCD)のような全ての臭素原子が脂肪族炭素へ結合した難燃剤が有効であるが、これらの難燃剤は熱安定性が低く、樹脂の劣化、樹脂への着色、臭化水素ガスの発生に起因する装置腐食などの問題を引き起こす。 Styrenic resin is made of only carbon and hydrogen, and once ignited, it emits black smoke and burns violently. Therefore, depending on the application, it is necessary to add a flame retardant to make it flame retardant. As such a flame retardant, bromine-containing compounds are widely used, and in order to impart high flame retardancy with a small addition amount, all bromine atoms such as hexabromocyclododecane (HBCD) are aliphatic carbon. Although flame retardants bonded to the flame retardant are effective, these flame retardants have low thermal stability and cause problems such as deterioration of the resin, coloring of the resin, and corrosion of the apparatus due to generation of hydrogen bromide gas.
一方で、熱安定性に優れる難燃剤として、テトラブロモビスフェノール−A−ビス(2,3−ジブロモプロピルエーテル)なども知られているが、これらはHBCDなどの難燃剤と比較して難燃化効果が低いことから添加量を大幅に増やす必要がある。そのため、スチレン系樹脂発泡体の物性が低下するだけでなく、スチレン系樹脂発泡体の大幅なコストアップとなるという問題がある。 On the other hand, tetrabromobisphenol-A-bis (2,3-dibromopropyl ether) is also known as a flame retardant having excellent thermal stability, but these are flame retardant compared to flame retardants such as HBCD. Since the effect is low, it is necessary to greatly increase the amount of addition. Therefore, there is a problem that not only the physical properties of the styrene resin foam deteriorate, but also the cost of the styrene resin foam increases significantly.
スチレン系樹脂発泡体は、加熱溶融、発泡剤添加、冷却および低圧条件下での押出し発泡の各工程を経て製造されている。ところが、前記HBCDのような熱安定性が悪い難燃剤を用いたスチレン系樹脂発泡体においては、スチレン系樹脂の分子量低下や着色などが起こる。そこで、これを解決する方法として、様々な熱安定剤を併用することが報告されており(例えば、特開2006−316251号公報)、これらの難燃剤を用いたスチレン系樹脂発泡体が製造できるようになった。 Styrenic resin foams are manufactured through the steps of heat melting, adding a foaming agent, cooling, and extrusion foaming under low pressure conditions. However, in the styrene resin foam using a flame retardant having poor thermal stability such as the HBCD, the molecular weight of the styrene resin is reduced or coloring occurs. Therefore, as a method for solving this, it has been reported that various heat stabilizers are used in combination (for example, JP-A-2006-316251), and a styrene resin foam using these flame retardants can be produced. It became so.
ところで、近年、環境意識の高まりから、使用済みのスチレン系樹脂発泡体を再び原料として使用することが求められている。このような再生スチレン系樹脂発泡体の製造では、前回製造時に既に加熱溶融工程を経たスチレン系樹脂発泡体をさらに加熱溶融して用いることから、これまで以上の熱安定性が求められており、前記熱安定剤を併用だけでは十分な熱安定性が得られない。 By the way, in recent years, it has been required to use a used styrene resin foam again as a raw material due to an increase in environmental awareness. In the production of such a regenerated styrene resin foam, since the styrene resin foam that has already undergone the heat-melting process at the time of the previous production is used by further heat-melting, more thermal stability than ever is required, Sufficient thermal stability cannot be obtained only by using the thermal stabilizer alone.
そこで、特開2005−139356号では、テトラブロモビスフェノールA−ビス(2−メチルアリルエーテル)やテトラブロモビスフェノールA−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)を難燃剤として使用することにより、リサイクル性に優れるスチレン系樹脂発泡体が得られることが記載されている。しかしながら、これらのスチレン系樹脂発泡体は熱安定性が十分ではないことがわかった。 Therefore, in JP-A-2005-139356, tetrabromobisphenol A-bis (2-methylallyl ether) or tetrabromobisphenol A-bis (2,3-dibromo-2-methylpropyl ether) is used as a flame retardant. Describes that a styrene resin foam excellent in recyclability can be obtained. However, it has been found that these styrenic resin foams do not have sufficient thermal stability.
本発明は上記問題に鑑みてなされたものであり、その目的は、難燃性、熱安定性に優れ、リサイクルに適した発泡スチレン系樹脂組成物を提供することである。 The present invention has been made in view of the above problems, and an object of the present invention is to provide a foamed styrene resin composition that is excellent in flame retardancy and thermal stability and is suitable for recycling.
本発明は、(A)スチレン系樹脂、(B)含臭素有機化合物および(F)発泡剤を含み、
含臭素有機化合物(B)が、(a)臭素含有量60重量%以上である、全ての臭素原子がベンゼン環に結合している含臭素有機化合物と、(b)2,3−ジブロモ−2−アルキルプロピル基を有する含臭素有機化合物との混合物であり、スチレン系樹脂(A)100重量部あたり、含臭素有機化合物(B)0.5〜10重量部を含んでいることを特徴とする難燃性発泡スチレン系樹脂組成物を提供する。
The present invention includes (A) a styrenic resin, (B) a bromine-containing organic compound, and (F) a blowing agent.
The bromine-containing organic compound (B) is (a) a bromine-containing organic compound having a bromine content of 60% by weight or more, in which all bromine atoms are bonded to the benzene ring, and (b) 2,3-dibromo-2 -A mixture with a bromine-containing organic compound having an alkylpropyl group, characterized in that it contains 0.5 to 10 parts by weight of the bromine-containing organic compound (B) per 100 parts by weight of the styrene resin (A). Provided is a flame retardant foamed styrene resin composition.
本発明によれば、難燃剤として2,3−ジブロモプロピル基を有する含臭素有機化合物と、2,3−ジブロモ−2−アルキルプロピル基を有する含臭素有機化合物を併用することにより、トータルとして少ない添加量において高い難燃性を有し、しかもリサイクルが可能な高い熱安定性を有する発泡スチレン系樹脂を得ることができる。 According to the present invention, by using together a bromine-containing organic compound having a 2,3-dibromopropyl group and a bromine-containing organic compound having a 2,3-dibromo-2-alkylpropyl group as a flame retardant, the total is small. A foamed styrenic resin having high flame retardancy in addition amount and high thermal stability that can be recycled can be obtained.
本発明の(A)スチレン系樹脂は、例えば、スチレンの単独重合体、スチレンと、o−メチルスチレン、m−メチルスチレン、p−メチルスチレン、2,4−ジメチルスチレン、エチルスチレン、p−t−ブチルスチレン、α−メチルスチレン、α−メチル−p−メチルスチレン、1,1−ジフェニルエチレン、p−(N,N−ジエチルアミノエチル)スチレン、p−(N,N−ジエチルアミノメチル)スチレンなどとの共重合物、さらにはその混合物であり、好ましくはスチレン単量体を50重量%以上含有するもの、典型的にはポリスチレンである。 The (A) styrene resin of the present invention is, for example, a styrene homopolymer, styrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, 2,4-dimethylstyrene, ethylstyrene, pt -Butyl styrene, α-methyl styrene, α-methyl-p-methyl styrene, 1,1-diphenylethylene, p- (N, N-diethylaminoethyl) styrene, p- (N, N-diethylaminomethyl) styrene and the like And a mixture thereof, preferably those containing 50% by weight or more of styrene monomer, typically polystyrene.
さらには、上記スチレン系樹脂にゴム状重合体を配合しても良い。ゴム状重合体としては、例えばポリブタジエン、ポリイソプレン、スチレン−ブタジエン共重合体、スチレン−イソプレン共重合体、アクリロニトリル−ブタジエン共重合体、スチレン−イソブチレン−ブタジエン系共重合体、ブタジエン−(メタ)アクリル酸エステル共重合体、スチレン−ブタジエンブロック共重合体、スチレン−イソプレンブロック共重合体、ブチルゴム、エチレン−α−オレフィン系共重合体(エチレン−プロピレンゴム)、エチレン−α−オレフィン−ポリエン共重合体(エチレン−プロピレン−ジエンゴム)、シリコーンゴム、アクリル系ゴム、水添ジエン系ゴム(水素化スチレン− ブタジエンブロック共重合体、水素化ブタジエン系重合体など)などが挙げられる。これらのゴム状重合体は単独もしくは2種以上を混合して使用できる。その使用量は、単量体成分中に好ましくは30重量%以下、さらに好ましくは20重量%以下である。 Furthermore, you may mix | blend a rubber-like polymer with the said styrene resin. Examples of the rubber-like polymer include polybutadiene, polyisoprene, styrene-butadiene copolymer, styrene-isoprene copolymer, acrylonitrile-butadiene copolymer, styrene-isobutylene-butadiene copolymer, and butadiene- (meth) acryl. Acid ester copolymer, styrene-butadiene block copolymer, styrene-isoprene block copolymer, butyl rubber, ethylene-α-olefin copolymer (ethylene-propylene rubber), ethylene-α-olefin-polyene copolymer (Ethylene-propylene-diene rubber), silicone rubber, acrylic rubber, hydrogenated diene rubber (hydrogenated styrene-butadiene block copolymer, hydrogenated butadiene polymer, etc.). These rubbery polymers can be used alone or in admixture of two or more. The amount used is preferably 30% by weight or less, more preferably 20% by weight or less in the monomer component.
本発明の(B)含臭素有機化合物は、B(a)臭素含有量60重量%以上である、全ての臭素原子がベンゼン環に結合している含臭素有機化合物と、B(b)2,3−ジブロモ−2−アルキルプロピル構造を有する含臭素有機化合物とを含むものである。 The bromine-containing organic compound (B) of the present invention has a B (a) bromine content of 60% by weight or more, a bromine-containing organic compound in which all bromine atoms are bonded to the benzene ring, and B (b) 2, And a bromine-containing organic compound having a 3-dibromo-2-alkylpropyl structure.
本発明の含臭素有機化合物B(a)は、テトラブロモビスフェノール−A、ヘキサブロモベンゼン、ペンタブロモトルエン、ポリブロモジフェニルエーテル、ポリブロモジフェニルエタン、ビスポリブロモフェノキシエタン、トリスポリブロモフェノキシトリアジン、ポリブロモフェニルインダン、ポリペンタブロモベンジルアクリレート、エチレンビステトラブロモフタルイミドなどが挙げられる。 The bromine-containing organic compound B (a) of the present invention includes tetrabromobisphenol-A, hexabromobenzene, pentabromotoluene, polybromodiphenyl ether, polybromodiphenylethane, bispolybromophenoxyethane, trispolybromophenoxytriazine, polybromo. Examples thereof include phenylindane, polypentabromobenzyl acrylate, and ethylene bistetrabromophthalimide.
本発明の含臭素有機化合物B(b)は、2,3−ジブロモ−2−アルキルプロピル構造を有するものである。このような含臭素有機化合物B(b)としては、例えば、テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)、テトラブロモビスフェノール−S−ビス(2,3−ジブロモ−2−メチルプロピルエーテル) 、テトラブロモビスフェノール−F−ビス(2,3−ジブロモ−2−メチルプロピルエーテル)などが挙げられる。 The bromine-containing organic compound B (b) of the present invention has a 2,3-dibromo-2-alkylpropyl structure. Examples of such a bromine-containing organic compound B (b) include tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl ether), tetrabromobisphenol-S-bis (2,3-dibromo). -2-methylpropyl ether) and tetrabromobisphenol-F-bis (2,3-dibromo-2-methylpropyl ether).
前記含臭素有機化合物B(a)と前記含臭素有機化合物B(b)との配合割合は、重量基準で10/90〜90/10であることが好ましく、20/80〜80/20であることがより好ましく、30/70〜80/20であることが更に好ましい。上記範囲内とすることにより、より高い熱安定性を付与することができる。 The blending ratio of the bromine-containing organic compound B (a) and the bromine-containing organic compound B (b) is preferably 10/90 to 90/10, and 20/80 to 80/20, based on weight. It is more preferable, and it is still more preferable that it is 30 / 70-80 / 20. By setting it within the above range, higher thermal stability can be imparted.
また、本発明の難燃性発泡スチレン系樹脂組成物は、重量基準で、(A)スチレン系樹脂100重量部あたり、(B)含臭素有機化合物を0.5〜10重量部含有するものであり、好ましくは0.5〜6重量部含有するものである。上記範囲内とすることにより、高い難燃性と高い熱安定性を付与することができる。 The flame-retardant foamed styrene resin composition of the present invention contains 0.5 to 10 parts by weight of (B) a bromine-containing organic compound per 100 parts by weight of (A) styrene resin on a weight basis. Yes, preferably 0.5 to 6 parts by weight. By setting it within the above range, high flame retardancy and high thermal stability can be imparted.
本発明の難燃性発泡スチレン系樹脂組成物には、さらに(C)熱安定剤を配合することができる。(C)熱安定剤を配合することにより、熱安定性をさらに向上させることができる。このような(C)熱安定剤としては、例えば、ホスファイト化合物、チオエーテル化合物およびヒンダードフェノール化合物などが挙げられる。 The flame retardant foamed styrene resin composition of the present invention may further contain (C) a heat stabilizer. (C) Thermal stability can be further improved by blending a thermal stabilizer. Examples of such (C) heat stabilizer include phosphite compounds, thioether compounds, hindered phenol compounds, and the like.
ホスファイト化合物としては、例えば、トリス(2,4−ジ−t−ブチルフェニル)ホスファイト、ビス(2,4−ジ−t−ブチルフェニル)ペンタエリスリトールジフォスファイト、ビス[2,4−ビス(1,1−ジメチルエチル)−6−メチルフェニル]エチルエステル亜リン酸、テトラキス(2,4−ジ−t−ブチルフェニル) [1,1−ビフェニル]−4,4’−ジイルビスホスフォナイト、ビス(ノニルフェニル)ペンタエリスリトールジフォスファイト、ビスステアリルペンタエリスリトールジフォスファイト、ビス(2,6−ジ−t−ブチル−4−メチルフェニル)ペンタエリスリトールジフォスファイト、2,2’−メチレンビス(4,6−ジ−t−ブチル−1−フェニルオキシ)(2−エチルヘキシルオキシ)ホスホラス、テトラ(トリデシル)−4,4’−ブチリデン−ビス(2−t−ブチル−5−メチルフェニル)ジホスファイト、ヘキサトリデシル−1,1,3−トリス(3−t−ブチル−6−メチル−4−オキシフェニル)−3−メチルプロパントリホスファイト、モノ(ジノニルフェニル)モノ−p−ノニルフェニルホスファイト、トリス(モノノニルフェニル)ホスファイト、テトラアルキル(C=12〜16)−4,4’−イソプロピリデン−(ビスフェニル)ジホスファイト、亜リン酸モノ又はジフェニルモノ又はジアルキル(又はアルコキシアルキル,C=8〜13)、ジフェニルイソデシルホスファイト、トリスデシルホスファイト、トリフェニルホスファイトなどが挙げられる。 Examples of the phosphite compound include tris (2,4-di-t-butylphenyl) phosphite, bis (2,4-di-t-butylphenyl) pentaerythritol diphosphite, bis [2,4-bis (1,1-Dimethylethyl) -6-methylphenyl] ethyl ester phosphorous acid, tetrakis (2,4-di-t-butylphenyl) [1,1-biphenyl] -4,4′-diylbisphospho Knight, bis (nonylphenyl) pentaerythritol diphosphite, bisstearyl pentaerythritol diphosphite, bis (2,6-di-t-butyl-4-methylphenyl) pentaerythritol diphosphite, 2,2'-methylenebis (4,6-di-t-butyl-1-phenyloxy) (2-ethylhexyloxy) phosphorus, tetra (tridecyl)- 4,4′-butylidene-bis (2-t-butyl-5-methylphenyl) diphosphite, hexatridecyl-1,1,3-tris (3-t-butyl-6-methyl-4-oxyphenyl)- 3-methylpropane triphosphite, mono (dinonylphenyl) mono-p-nonylphenyl phosphite, tris (monononylphenyl) phosphite, tetraalkyl (C = 12-16) -4,4′-isopropylidene- ( Bisphenyl) diphosphite, phosphorous mono- or diphenyl mono- or dialkyl (or alkoxyalkyl, C = 8-13), diphenylisodecyl phosphite, trisdecyl phosphite, triphenyl phosphite and the like.
チオエーテル化合物としては、例えば、ジラウリル−3,3’−チオジプロピオネート、ジミリスチル−3,3’−チオジプロピオネート、ジステアリル−3,3’−チオジプロピオネート、ペンタエリストリルテトラキス(3−ラウリルチオプロピオネート)、ジトリデシル−3,3’−チオジプロピオネート、2−メルカプトベンズイミダゾールなどが挙げられる。 Examples of the thioether compound include dilauryl-3,3′-thiodipropionate, dimyristyl-3,3′-thiodipropionate, distearyl-3,3′-thiodipropionate, pentaerythritol tetrakis (3 -Laurylthiopropionate), ditridecyl-3,3'-thiodipropionate, 2-mercaptobenzimidazole and the like.
ヒンダードフェノール化合物としては、例えば、1,6−ヘキサンジオール−ビス[ 3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート]、トリエチレングリコール−ビス[ 3−(3−t−ブチル−5−メチル−4−ヒドロキシフェニル)プロピオネート]、グリセリントリス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)−プロピオネート]、ペンタエリスリトールテトラキス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート]、オクタデシル−3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート、チオジエチレンビス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート]、N,N’−ヘキサン−1,6−ジイルビス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオンアミド]、2,4−ジメチル−6−(1−メチルペンタデシル)フェノール、ジエチル[[3,5−ビス(1,1−ジメチルエチル)−4−ヒドロキシフェニル]メチル]ホスフォネート、カルシウムジエチルビス[[3,5−ビス(1,1−ジメチルエチル)−4−ヒドロキシフェニル]メチル]ホスフォネート、3,3’,3”,5,5’,5”−ヘキサ−t−ブチル−a,a’,a”−(メシチレン−2,4,6−トリイル)トリ−p−クレゾール、4,6−ビス(オクチルチオメチル)−o−クレゾール、エチレンビス(オキシエチレン)ビス[3−(5−t−ブチル−4−ヒドロキシ−m−トリル)プロピオネート]、ヘキサメチレンビス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート]、1,3,5−トリス(3,5−ジ−t−ブチル−4−ヒドロキシベンジル)−1,3,5−トリアジン−2,4,6(1H,3H,5H)−トリオン、1,3,5−トリス[(4−t−ブチル−3−ヒドロキシ−2,6−キシリル)メチル]−1,3,5−トリアジン−2,4,6(1H,3H,5H)−トリオン、2,6−ジ−t−ブチル−4−(4,6−ビス(オクチルチオ)−1,3,5−トリアジン−2−イルアミノ)フェノールなどが挙げられる。 Examples of the hindered phenol compound include 1,6-hexanediol-bis [3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate], triethylene glycol-bis [3- (3- t-butyl-5-methyl-4-hydroxyphenyl) propionate], glycerol tris [3- (3,5-di-t-butyl-4-hydroxyphenyl) -propionate], pentaerythritol tetrakis [3- (3 5-di-t-butyl-4-hydroxyphenyl) propionate], octadecyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate, thiodiethylenebis [3- (3,5-di -T-butyl-4-hydroxyphenyl) propionate], N, N′-hexane-1,6-diylbis [ -(3,5-di-t-butyl-4-hydroxyphenyl) propionamide], 2,4-dimethyl-6- (1-methylpentadecyl) phenol, diethyl [[3,5-bis (1,1 -Dimethylethyl) -4-hydroxyphenyl] methyl] phosphonate, calcium diethylbis [[3,5-bis (1,1-dimethylethyl) -4-hydroxyphenyl] methyl] phosphonate, 3,3 ', 3 ", 5,5 ′, 5 ″ -hexa-t-butyl-a, a ′, a ″-(mesitylene-2,4,6-triyl) tri-p-cresol, 4,6-bis (octylthiomethyl)- o-cresol, ethylenebis (oxyethylene) bis [3- (5-t-butyl-4-hydroxy-m-tolyl) propionate], hexamethylenebis [3- (3,5-di-t-butyl) 4-hydroxyphenyl) propionate], 1,3,5-tris (3,5-di-tert-butyl-4-hydroxybenzyl) -1,3,5-triazine-2,4,6 (1H, 3H, 5H) -trione, 1,3,5-tris [(4-tert-butyl-3-hydroxy-2,6-xylyl) methyl] -1,3,5-triazine-2,4,6 (1H , 3H, 5H) -trione, 2,6-di-t-butyl-4- (4,6-bis (octylthio) -1,3,5-triazin-2-ylamino) phenol, and the like.
(C)熱安定剤を使用する場合の添加量は、(A)スチレン系樹脂100重量部あたり0.01〜0.5重量部であることが好ましい。 (C) It is preferable that the addition amount in the case of using a heat stabilizer is 0.01-0.5 weight part per 100 weight part of (A) styrene resin.
また、本発明の難燃性発泡スチレン系樹脂組成物には、さらに(D)難燃助剤を配合することができる。(D)難燃助剤を配合することにより、(B)含臭素有機化合物の難燃効果をより高めることができる。このような(D)難燃助剤としては、三酸化アンチモン、五酸化アンチモン、ホウ酸亜鉛、水和酸化アルミニウム、酸化モリブデンなどが挙げられる。(D)難燃助剤を使用する場合の添加量は、(A)スチレン系樹脂100重量部あたり0.01〜5重量部であることが好ましい。 The flame-retardant foamed styrene resin composition of the present invention may further contain (D) a flame-retardant aid. (D) By mix | blending a flame retardant adjuvant, the flame retardant effect of (B) a bromine containing organic compound can be improved more. Examples of such flame retardant aid (D) include antimony trioxide, antimony pentoxide, zinc borate, hydrated aluminum oxide, molybdenum oxide and the like. (D) It is preferable that the addition amount in the case of using a flame retardant aid is 0.01 to 5 parts by weight per 100 parts by weight of (A) styrene resin.
臭素系難燃剤の難燃効果は、(E)ラジカル発生剤またはフタロシアニン金属錯体によって増強されることが知られている。そのようなラジカル発生剤の例は、クメンパーオキサイド、クメンハイドロパーオキサイド、ジ−t−ブチルパーオキサイド、ジ−t−ヘキシルパーオキサイド、2,5−ジメチル−2,5−ジ(t−ブチルパーオキシ)−ヘキシン−3、ジクミルパーオキサイド、2,3−ジメチル−2,3−ジフェニルブタンなどであり、フタロシアニン金属錯体の例はフタロシアニン鉄、フタロシアニンマンガン、フタロシアニンコバルトなどである。ジクミルパーオキサイド、2,3−ジメチル−2,3−ジフェニルブタンおよびフタロシアニン鉄が好ましい。 It is known that the flame retardant effect of a brominated flame retardant is enhanced by (E) a radical generator or a phthalocyanine metal complex. Examples of such radical generators are cumene peroxide, cumene hydroperoxide, di-t-butyl peroxide, di-t-hexyl peroxide, 2,5-dimethyl-2,5-di (t-butyl). Peroxy) -hexyne-3, dicumyl peroxide, 2,3-dimethyl-2,3-diphenylbutane, and examples of phthalocyanine metal complexes include phthalocyanine iron, phthalocyanine manganese, phthalocyanine cobalt, and the like. Dicumyl peroxide, 2,3-dimethyl-2,3-diphenylbutane and iron phthalocyanine are preferred.
本発明の難燃性発泡スチレン樹脂組成剤は、押出発泡法またはビーズ発泡法によって発泡成形体に形成することができる。押出発泡法の場合は、臭素系難燃剤(B)および他の添加剤をスチレン系樹脂(A)と押出機内で溶融混合し、発泡剤(F)を圧入した後押出機口金から大気中へ押出すことによって発泡成形される。ビーズ発泡法の場合は、懸濁重合によって得たスチレン系樹脂ビーズを臭素系難燃剤(B)および発泡剤(F)を除く他の添加剤の乳化分散液で含浸し、次にオートクレーブ中で発泡剤を圧入して含浸し、水を分離して得たビーズを100℃の水蒸気で予備発泡させた後、成形型内で高温の加圧水蒸気で加熱発泡させることによって成形される。 The flame retardant foamed styrene resin composition of the present invention can be formed into a foamed molded article by extrusion foaming or bead foaming. In the case of the extrusion foaming method, the brominated flame retardant (B) and other additives are melt-mixed in the extruder with the styrene resin (A), and after the foaming agent (F) is press-fitted into the atmosphere from the extruder die. Foam molding is performed by extrusion. In the case of the bead foaming method, styrene resin beads obtained by suspension polymerization are impregnated with an emulsified dispersion of other additives except brominated flame retardant (B) and foaming agent (F), and then in an autoclave. The beads obtained by press-fitting and impregnating a foaming agent and separating water are pre-foamed with water vapor at 100 ° C., and then molded by heating and foaming with hot pressurized steam in a mold.
ここで、発泡剤(F)としては、例えば、プロパン、ブタン、イソブタン、ペンタン、シクロペンタン、ヘキサン、シクロヘキサン、1−クロロ−1,1−ジフルオロエタン、モノクロロジフルオロメタン、モノクロロ−1,2,2,2−テトラフルオロエタン、1,1−ジフルオロエタン、1,1,1,2−テトラフルオロエタン、1,1,3,3,3−ペンタフルオロプロパン、ジクロロメタン、1,2−ジクロロエタン、ジメチルエーテル、ジエチルエーテル、エチルメチルエーテルなどの揮発性有機発泡剤、水、窒素、炭酸ガスなどの無機発泡剤、アゾ化合物などの化学発泡剤などが挙げられる。これらは単独または2種以上を併用して用いることができる。発泡剤(F)の配合量は必要な発泡体の性能や成形方法により変わってくるため限定することはないが、好ましくは、ポリスチレン系樹脂100重量部に対し0.01〜0.5モル、より好ましくは0.05〜0.3モルである。 Here, as the blowing agent (F), for example, propane, butane, isobutane, pentane, cyclopentane, hexane, cyclohexane, 1-chloro-1,1-difluoroethane, monochlorodifluoromethane, monochloro-1,2,2, 2-tetrafluoroethane, 1,1-difluoroethane, 1,1,1,2-tetrafluoroethane, 1,1,3,3,3-pentafluoropropane, dichloromethane, 1,2-dichloroethane, dimethyl ether, diethyl ether And volatile organic foaming agents such as ethyl methyl ether, inorganic foaming agents such as water, nitrogen and carbon dioxide, and chemical foaming agents such as azo compounds. These can be used alone or in combination of two or more. The blending amount of the foaming agent (F) is not limited because it varies depending on the required foam performance and molding method, but preferably 0.01 to 0.5 moles with respect to 100 parts by weight of the polystyrene resin, More preferably, it is 0.05-0.3 mol.
また、本発明の難燃性スチレン系樹脂発泡成形体を製造する際には、発泡剤(F)に加えて、さらに発泡核剤を配合してすることもできる。このような発泡核剤としては、例えば、タルク、ベントナイト、カオリン、マイカ、シリカ、クレー、珪藻土などが挙げられる。発泡核剤を使用する場合に使用量は、ポリスチレン系樹脂100重量部に対し0.01〜20重量部が好ましく、0.1〜10重量部がより好ましい。 Moreover, when manufacturing the flame-retardant styrene-type resin foam molding of this invention, in addition to a foaming agent (F), a foaming nucleating agent can also be mix | blended. Examples of such a foam nucleating agent include talc, bentonite, kaolin, mica, silica, clay, diatomaceous earth, and the like. When the foam nucleating agent is used, the amount used is preferably 0.01 to 20 parts by weight, more preferably 0.1 to 10 parts by weight, based on 100 parts by weight of the polystyrene resin.
本発明の難燃性発泡スチレン系樹脂組成物には、本発明の効果を損なわない範囲内で、(B(a))および(B(b))以外の含臭素有機化合物、リン酸エステル、シリコーン化合物、水和金属化合物などを併用してもよい。 In the flame-retardant foamed styrene resin composition of the present invention, a bromine-containing organic compound other than (B (a)) and (B (b)), phosphate ester, Silicone compounds and hydrated metal compounds may be used in combination.
また、本発明の難燃性発泡スチレン系樹脂組成物には、本発明の効果を損なわない範囲内で、光安定剤、紫外線吸収剤、紫外線安定化剤、重金属不活性剤、耐衝撃改良剤、着色剤、滑剤、滴下防止剤、結晶核剤、帯電防止剤、相溶化剤などの公知の樹脂添加剤を配合することができる。 In addition, the flame retardant foamed styrene resin composition of the present invention includes a light stabilizer, an ultraviolet absorber, an ultraviolet stabilizer, a heavy metal deactivator, and an impact modifier within a range not impairing the effects of the present invention. In addition, known resin additives such as colorants, lubricants, anti-dripping agents, crystal nucleating agents, antistatic agents, and compatibilizing agents can be blended.
以下に実施例および比較例について本発明を具体的に説明するが、本発明はこれによって限定するものではない。
実施例および比較例に用いた原料は以下の通りである。
(A)スチレン系樹脂
(A1)
GP-PS;PSJポリスチレン G9305(PSジャパン(株)製)
(B)含臭素有機化合物
(B(a)−1)
2,4,6−トリス(2,4,6−トリブロモフェノキシ)−1,3,5−トリアジン;ピロガードSR−245(第一工業製薬(株)製)
(B(a)−2)
1,2−ビス(2,4,6−トリブロモフェノキシ)エタン;FF−680(ケムチュラ・ジャパン(株)製)
(B(a)−3)
テトラブロモビスフェノールA;FR−1524(ICL−IP JAPAN(株)製)
(B(a)−4)
ポリペンタブロモベンジルアクリレート;FR−1025(ICL−IP JAPAN(株)製)
(B(b)−1)
テトラブロモビスフェノール−A−ビス(2,3−ジブロモ−2−メチルプロピル)エーテル;ピロガードSR−130(第一工業製薬(株)製)
(B(c)−1)
テトラブロモビスフェノール−A−ビス(2,3−ジブロモプロピル)エーテル;ピロガードSR−720(第一工業製薬(株)製)
(C)熱安定剤
トリス(2,4−ジ−t−ブチルフェニル)ホスファイトとペンタエリスリトールテトラキス[3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート]の混合物;IRGANOX B 225(チバ・スペシャルティ・ケミカルズ(株)製)
(E)難燃増強剤
2,3−ジメチル−2,3−ジフェニルブタン;ノフマーBC−90(日油(株)製)
(F)発泡剤
イソブタン
(発泡核剤)
タルクMS(日本タルク工業(株)製)
<試験片作成方法>
口径65mmから口径90mmに直列連結した二段押出機の口径65mmの押出機に、発泡剤を除く表1および表2に記載の原料を投入し、200℃に加熱して溶融、可塑化、混練することによりスチレン系樹脂組成物とした。続いて、65mm押出機先端(口径90mmの押出機の口金と反対側)に別ラインで所定量の発泡剤を圧入し、口径90mmの押出機で樹脂温度を120℃に冷却して、口径90mmの押出機の先端に設けた厚さ方向2.5mm、幅方向45mmの長方形断面のダイリップより大気中へ押し出すことにより、直方体状のスチレン系樹脂の押出発泡成形体を得た。
なお、発泡成形体の評価は下記の方法により行った。
<成形性>
発泡成形体の状態を目視により下記のように評価した。
○:ワレ、亀裂、ボイドなどなく、良好な発泡体が安定して得られた。
×:ダイからのガスの噴出しがあり、安定して発泡体が得られない。また、発泡体に、ワレや亀裂、ボイド等があった。
<難燃性>
JIS K−7201に従って酸素指数を測定した。
○:酸素指数が26以上
×:酸素指数が26未満
<分子量低下率>
発泡成形前のスチレン系樹脂と難燃性スチレン系樹脂発泡成形体の分子量をGPC分析にて測定し、ポリスチレン系樹脂の成形前後の重量平均分子量(Mw)の低下率(%)を計算した。
EXAMPLES The present invention will be specifically described below with reference to examples and comparative examples, but the present invention is not limited thereto.
The raw materials used in Examples and Comparative Examples are as follows.
(A) Styrenic resin (A1)
GP-PS; PSJ polystyrene G9305 (manufactured by PS Japan Co., Ltd.)
(B) Bromine-containing organic compound (B (a) -1)
2,4,6-tris (2,4,6-tribromophenoxy) -1,3,5-triazine; Pyroguard SR-245 (Daiichi Kogyo Seiyaku Co., Ltd.)
(B (a) -2)
1,2-bis (2,4,6-tribromophenoxy) ethane; FF-680 (manufactured by Chemtura Japan Co., Ltd.)
(B (a) -3)
Tetrabromobisphenol A; FR-1524 (manufactured by ICL-IP JAPAN)
(B (a) -4)
Polypentabromobenzyl acrylate; FR-1025 (manufactured by ICL-IP JAPAN)
(B (b) -1)
Tetrabromobisphenol-A-bis (2,3-dibromo-2-methylpropyl) ether; Pyroguard SR-130 (Daiichi Kogyo Seiyaku Co., Ltd.)
(B (c) -1)
Tetrabromobisphenol-A-bis (2,3-dibromopropyl) ether; Pyroguard SR-720 (Daiichi Kogyo Seiyaku Co., Ltd.)
(C) Thermal stabilizer Mixture of tris (2,4-di-t-butylphenyl) phosphite and pentaerythritol tetrakis [3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate]; IRGANOX B 225 (Ciba Specialty Chemicals Co., Ltd.)
(E) Flame retardant enhancer 2,3-dimethyl-2,3-diphenylbutane; NOFMER BC-90 (manufactured by NOF Corporation)
(F) Foaming agent Isobutane (foaming nucleating agent)
Talc MS (Nippon Talc Industry Co., Ltd.)
<Test specimen preparation method>
The raw materials shown in Tables 1 and 2 except for the foaming agent are charged into an extruder having a diameter of 65 mm of a two-stage extruder connected in series from a diameter of 65 mm to a diameter of 90 mm, and heated to 200 ° C. to be melted, plasticized, and kneaded. By doing so, a styrene resin composition was obtained. Subsequently, a predetermined amount of foaming agent is press-fitted in a separate line into the tip of the 65 mm extruder (opposite to the die of the 90 mm diameter extruder), and the resin temperature is cooled to 120 ° C. with a 90 mm diameter extruder, and the diameter is 90 mm. A styrene resin extruded foam molded body having a rectangular parallelepiped shape was obtained by extruding into the atmosphere from a die lip having a rectangular cross section of 2.5 mm in the thickness direction and 45 mm in the width direction provided at the tip of the extruder.
The foamed molded product was evaluated by the following method.
<Moldability>
The state of the foamed molded product was visually evaluated as follows.
A: A good foam was stably obtained without cracks, cracks and voids.
X: Gas is ejected from the die, and a foam cannot be obtained stably. Further, the foam had cracks, cracks, voids and the like.
<Flame retardance>
The oxygen index was measured according to JIS K-7201.
○: Oxygen index is 26 or more ×: Oxygen index is less than 26 <Molecular weight reduction rate>
The molecular weights of the styrene resin before foam molding and the flame retardant styrene resin foam molding were measured by GPC analysis, and the reduction rate (%) of the weight average molecular weight (Mw) before and after molding of the polystyrene resin was calculated.
表1から明らかなように、実施例1〜6の押出発泡成形体は、成形性、難燃性および熱安定性のいずれの項目においても優れていることが分かる。
一方、表2に記載の比較例1〜5のように、含臭素有機化合物を1種類のみ用いた押出発泡成形体では、難燃性、成形性、熱安定性の全てを満足させるものは得られなかった。
また、比較例6〜9のように、2,3−ジブロモ−2−アルキルプロピル基を持たない含臭素有機化合物と臭素含有量60重量%以上である全ての臭素原子がベンゼン環に結合した含臭素有機化合物とを併用した場合でも、難燃性、成形性、熱安定性の全てを満足させるものは得られなかった。
As is clear from Table 1, it can be seen that the extruded foam molded articles of Examples 1 to 6 are excellent in any of the items of moldability, flame retardancy and thermal stability.
On the other hand, as in Comparative Examples 1 to 5 described in Table 2, an extruded foam molded body using only one type of bromine-containing organic compound can be obtained that satisfies all of flame retardancy, moldability, and thermal stability. I couldn't.
Further, as in Comparative Examples 6 to 9, a bromine-containing organic compound having no 2,3-dibromo-2-alkylpropyl group and all bromine atoms having a bromine content of 60% by weight or more were bonded to the benzene ring. Even when a bromine organic compound was used in combination, a material satisfying all of flame retardancy, moldability and thermal stability could not be obtained.
本発明の発泡スチレン系樹脂発泡体組成物は、難燃剤の添加量が少なくても高い難燃性を有し、しかもリサイクルに適した高い熱安定性を有するスチレン系樹脂発泡体を得ることができる。そのため、家電製品や建材などの断熱用途や盛土工法などの土木用途を始めとする様々な用途に利用可能である。 The foamed styrene resin foam composition of the present invention can provide a styrene resin foam having high flame retardancy and high thermal stability suitable for recycling even if the amount of flame retardant added is small. it can. Therefore, it can be used for various applications including heat insulation applications such as home appliances and building materials and civil engineering applications such as embankment methods.
Claims (5)
含臭素有機化合物(B)が、
(a)臭素含有量60重量%以上である、全ての臭素原子がベンゼン環に結合している含臭素有機化合物と、(b)2,3−ジブロモ−2−アルキルプロピル基を有する含臭素有機化合物との混合物であり、
スチレン系樹脂(A)100重量部あたり、含臭素有機化合物(B)0.5〜10重量部を含んでいることを特徴とする難燃性発泡スチレン系樹脂組成物。 (A) a styrenic resin, (B) a bromine-containing organic compound and (F) a blowing agent,
Bromine-containing organic compound (B)
(A) a bromine-containing organic compound having a bromine content of 60% by weight or more in which all bromine atoms are bonded to a benzene ring; and (b) a bromine-containing organic compound having a 2,3-dibromo-2-alkylpropyl group. A mixture with a compound,
A flame retardant foamed styrene resin composition comprising 0.5 to 10 parts by weight of a bromine-containing organic compound (B) per 100 parts by weight of a styrene resin (A).
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US13/203,789 US9187607B2 (en) | 2009-04-28 | 2010-04-02 | Flame-retarded foamable styrene-based resin compositions |
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JPWO2012057060A1 (en) * | 2010-10-27 | 2014-05-12 | 株式会社カネカ | Styrenic resin extruded foam and method for producing the same |
WO2014125932A1 (en) * | 2013-02-12 | 2014-08-21 | 出光ライオンコンポジット株式会社 | Resin composition, molded body, multilayer structure, reflection plate, and lighting device |
JP2014152293A (en) * | 2013-02-12 | 2014-08-25 | Lion Idemitsu Composites Co Ltd | Resin composition, molded body, laminated structure, reflecting plate, and illuminating device |
JP5950056B2 (en) * | 2013-11-14 | 2016-07-13 | 株式会社カネカ | Styrenic resin extruded foam and method for producing the same |
JPWO2015072514A1 (en) * | 2013-11-14 | 2017-03-16 | 株式会社カネカ | Styrenic resin extruded foam and method for producing the same |
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