WO2019159929A1 - 難燃性金属樹脂複合材 - Google Patents
難燃性金属樹脂複合材 Download PDFInfo
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- WO2019159929A1 WO2019159929A1 PCT/JP2019/004986 JP2019004986W WO2019159929A1 WO 2019159929 A1 WO2019159929 A1 WO 2019159929A1 JP 2019004986 W JP2019004986 W JP 2019004986W WO 2019159929 A1 WO2019159929 A1 WO 2019159929A1
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- WIPO (PCT)
- Prior art keywords
- resin
- metal
- core material
- composite material
- resin composite
- Prior art date
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- 239000000463 material Substances 0.000 title claims abstract description 77
- 239000000805 composite resin Substances 0.000 title claims abstract description 71
- 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 45
- 239000003063 flame retardant Substances 0.000 title claims abstract description 45
- 239000011162 core material Substances 0.000 claims abstract description 117
- 229920005989 resin Polymers 0.000 claims abstract description 113
- 239000011347 resin Substances 0.000 claims abstract description 113
- 239000010410 layer Substances 0.000 claims abstract description 103
- 229910052751 metal Inorganic materials 0.000 claims abstract description 99
- 239000002184 metal Substances 0.000 claims abstract description 99
- 229910000000 metal hydroxide Inorganic materials 0.000 claims abstract description 34
- 150000004692 metal hydroxides Chemical class 0.000 claims abstract description 34
- 238000002485 combustion reaction Methods 0.000 claims abstract description 27
- 239000012790 adhesive layer Substances 0.000 claims abstract description 20
- 238000010998 test method Methods 0.000 claims description 22
- 238000012360 testing method Methods 0.000 claims description 20
- 229920005672 polyolefin resin Polymers 0.000 claims description 16
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 15
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 15
- 239000012792 core layer Substances 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 11
- 239000000155 melt Substances 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 229920000178 Acrylic resin Polymers 0.000 claims description 8
- 239000004925 Acrylic resin Substances 0.000 claims description 8
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 7
- 229920005749 polyurethane resin Polymers 0.000 claims description 5
- 125000003172 aldehyde group Chemical group 0.000 claims description 4
- 125000003277 amino group Chemical group 0.000 claims description 4
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 4
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 claims description 4
- 125000000468 ketone group Chemical group 0.000 claims description 4
- 125000000524 functional group Chemical group 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims 1
- 239000000945 filler Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 21
- 229920001577 copolymer Polymers 0.000 description 13
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 12
- 239000005977 Ethylene Substances 0.000 description 12
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 11
- 238000005259 measurement Methods 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 229920000578 graft copolymer Polymers 0.000 description 7
- 239000011256 inorganic filler Substances 0.000 description 7
- 229910003475 inorganic filler Inorganic materials 0.000 description 7
- -1 polyethylene maleic anhydride Polymers 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 229920001038 ethylene copolymer Polymers 0.000 description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 230000020169 heat generation Effects 0.000 description 5
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229920005992 thermoplastic resin Polymers 0.000 description 5
- 229920003067 (meth)acrylic acid ester copolymer Polymers 0.000 description 4
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 4
- 239000004566 building material Substances 0.000 description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 description 4
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 4
- 238000000748 compression moulding Methods 0.000 description 4
- 150000002148 esters Chemical group 0.000 description 4
- 239000012765 fibrous filler Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- 239000006057 Non-nutritive feed additive Substances 0.000 description 3
- 239000006087 Silane Coupling Agent Substances 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- FUSUHKVFWTUUBE-UHFFFAOYSA-N buten-2-one Chemical compound CC(=O)C=C FUSUHKVFWTUUBE-UHFFFAOYSA-N 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 2
- 239000000920 calcium hydroxide Substances 0.000 description 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000003480 eluent Substances 0.000 description 2
- 229920005648 ethylene methacrylic acid copolymer Polymers 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 229920005680 ethylene-methyl methacrylate copolymer Polymers 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 150000004671 saturated fatty acids Chemical class 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- JKLUVCHKXQJGIG-UHFFFAOYSA-N 2-Methylenebutan-1-ol Chemical compound CCC(=C)CO JKLUVCHKXQJGIG-UHFFFAOYSA-N 0.000 description 1
- BYDRTKVGBRTTIT-UHFFFAOYSA-N 2-methylprop-2-en-1-ol Chemical compound CC(=C)CO BYDRTKVGBRTTIT-UHFFFAOYSA-N 0.000 description 1
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical group OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical compound C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 description 1
- 239000004113 Sepiolite Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000011354 acetal resin Substances 0.000 description 1
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 1
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001334 alicyclic compounds Chemical class 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229960000892 attapulgite Drugs 0.000 description 1
- QBLDFAIABQKINO-UHFFFAOYSA-N barium borate Chemical compound [Ba+2].[O-]B=O.[O-]B=O QBLDFAIABQKINO-UHFFFAOYSA-N 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 description 1
- 235000010261 calcium sulphite Nutrition 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical group C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 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
- 238000011068 loading method Methods 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- KKFHAJHLJHVUDM-UHFFFAOYSA-N n-vinylcarbazole Chemical compound C1=CC=C2N(C=C)C3=CC=CC=C3C2=C1 KKFHAJHLJHVUDM-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052625 palygorskite Inorganic materials 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 235000003441 saturated fatty acids Nutrition 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001721 transfer moulding Methods 0.000 description 1
- VLCLHFYFMCKBRP-UHFFFAOYSA-N tricalcium;diborate Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-] VLCLHFYFMCKBRP-UHFFFAOYSA-N 0.000 description 1
- BSVBQGMMJUBVOD-UHFFFAOYSA-N trisodium borate Chemical compound [Na+].[Na+].[Na+].[O-]B([O-])[O-] BSVBQGMMJUBVOD-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
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 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
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/94—Protection against other undesired influences or dangers against fire
- E04B1/941—Building elements specially adapted therefor
- E04B1/942—Building elements specially adapted therefor slab-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
- B32B15/082—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin comprising vinyl resins; comprising acrylic resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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Definitions
- the present invention relates to a flame retardant metal resin composite material.
- the present invention is a flame retardant metal-resin composite material suitable as an exterior building material, in which a resin layer containing a metal hydroxide is used as a core material sheet, and metal sheets are bonded to both surfaces of the core material sheet.
- a resin layer containing a metal hydroxide is used as a core material sheet, and metal sheets are bonded to both surfaces of the core material sheet.
- a flame retardant metal resin composite composed of a resin layer containing an inorganic filler as a core sheet and a metal sheet bonded to both sides of the core sheet is lightweight, corrosion resistant, heat insulating, flame retardant It is a material that has many features such as weather resistance, beautiful surface, and metal-like processability.
- the above-mentioned composite material is not fully satisfactory as an exterior building material such as an outer wall material of a building.
- Exterior building materials are required to have flame retardancy as desirable physical properties.
- the calorific value of the core material layer may be required to be 2.0 MJ / kg or less.
- Exterior building materials usually require a certain rigidity as a structural material. If it is the structure of said composite material, rigidity can be improved without sacrificing the lightweight property by thickening a core material sheet. However, when the core resin sheet is thickened, the amount of resin used as a combustible material increases and flame retardancy decreases.
- a metal sheet is bonded to both surfaces of a core material sheet.
- the core material sheet contains 20 to 80% by mass of an inorganic filler and has an expansion ratio of 1.1 to 3.0 times. Consisting of a foamed resin layer and a non-foamed resin layer laminated on both sides thereof, the thickness of the metal sheet is 0.1 to 2 mm, the thickness of the foamed resin layer is 2 to 8 mm, and the thickness of the non-foamed resin layer is 0
- a flame retardant composite material having a thickness of 0.05 to 0.5 mm, a resin of a core material sheet being polyolefin, and a combustion heat of 6000 BTU / ft 2 or less is described.
- Patent Document 2 discloses a laminate in which a metal sheet is bonded to a sheet-like resin plate, and the resin plate includes a phase of a metal hydroxide, a polyolefin-based resin, and a metal hydroxide and a polyolefin-based resin.
- a flame retardant laminate containing an adhesive resin that enhances solubility is described.
- Patent Document 3 discloses a metal resin composite in which a resin member and a metal member are joined, and the resin member is obtained by curing a thermosetting resin composition including a thermosetting resin and an elastomer,
- the metal member has a roughened layer composed of fine irregularities on at least a bonding surface to be bonded to the resin member, and a metal in which a part of the elastomer exists in the concave portion constituting the irregularities of the roughened layer.
- Resin composites are described.
- the metal resin composite materials described in Patent Documents 1 to 3 do not satisfy the combustion heat generation amount of the core material layer of 2.0 MJ / kg or less and the face material peel strength of the metal resin composite material of 2.4 N / mm or more.
- An object of the present invention is to provide a flame retardant metal resin composite material having a low combustion heat generation amount and a high peel strength.
- the inventors of the present invention shall appropriately adjust the configuration after the core material layer includes a metal hydroxide and a resin, and the combustion heat generation amount of the core material layer is 2.0 MJ / kg or less.
- the face material peel strength of the metal resin composite material can be at least 2.4 N / mm.
- the flame retardant metal resin composite material of the present invention is a metal resin composite material in which metal layers are laminated on both surfaces of a core material layer containing a resin, and the core material layer contains a metal hydroxide and a resin,
- the core material layer has a combustion heat value of 2.0 MJ / kg or less, and the metal resin composite material has a face material peel strength of 2.4 N / mm or more.
- the maximum temperature rise is 50 ° C. or less.
- the combustion heat value of the resin contained in the core material layer is 40 MJ / kg or less.
- the tensile strength of the resin contained in the core material layer is 30 MPa or more.
- the melt viscosity of the resin contained in the core material layer is 3,000 Pa ⁇ s or less.
- an adhesive layer is further provided between the core material layer and the metal layer, and the adhesive layer contains a resin having a polar group in a side chain.
- the resin contained in the core layer is a polyvinyl alcohol resin.
- the polar group is at least one functional group selected from the group consisting of a hydroxyl group, a carboxyl group, an aldehyde group, an amino group, a glycidyl group, and a ketone group.
- the resin having a polar group in the side chain is a modified polyolefin resin, an olefin copolymer, an acrylic resin, a polyurethane resin, or an epoxy resin.
- the core material layer includes 1 to 10 parts by mass of the resin and 40 to 99 parts by mass of the metal hydroxide when the core material layer is 100 parts by mass.
- the flame retardant metal resin composite material of the present invention is a metal resin composite material in which metal layers are laminated on both surfaces of a core material layer containing a resin, and the core material layer contains a resin and a metal hydroxide,
- the core material layer has a combustion calorific value of 2.0 MJ / kg or less
- the metal resin composite material has a face material peel strength of 2.4 N / mm or more as measured according to ISO 8510-2. To do.
- the flame retardancy of the flame retardant metal resin composite material means that the calorific value of the core material layer is 2.0 MJ / kg or less.
- the core material layer of the flame retardant metal resin composite material of the present invention contains at least a resin and a metal hydroxide.
- the resin contained in the core material layer may be referred to as a core resin.
- the core resin is not particularly limited, but one or more kinds of resins having polar groups such as hydroxyl group, carboxyl group, aldehyde group, amino group, glycidyl group and ketone group may interact with the metal hydroxide. It is preferable in that the action is enhanced.
- modified polyolefin resins include modified polyolefin resins, olefin copolymers, acrylic resins, polyurethane resins, epoxy resins, polyvinyl alcohol resins, and polyvinyl alcohol derivatives.
- modified polyolefin resins include maleic anhydride graft-modified polyolefin resins such as polyethylene maleic anhydride graft copolymer or ethylene / propylene copolymer maleic anhydride graft copolymer, or polyethylene acrylic acid graft copolymer.
- maleic anhydride graft-modified polyolefin resins such as polyethylene maleic anhydride graft copolymer or ethylene / propylene copolymer maleic anhydride graft copolymer, or polyethylene acrylic acid graft copolymer.
- unsaturated carboxylic acid graft-modified polyolefin resins such as (meth) acrylic acid graft-modified polyolefin resins such as polymers.
- olefin copolymers examples include ethylene / (meth) acrylic acid (ester) copolymers, ethylene / vinyl acetate copolymers, ethylene / glycidyl acrylate copolymers, and ethylene / maleic anhydride copolymers. A copolymer is mentioned.
- the acrylic resin at least the structural unit has a (meth) acrylic acid (ester) unit, and as a structural unit other than the (meth) acrylic acid (ester) monomer, for example, styrene, acrylonitrile, methyl vinyl ketone, Examples thereof include resins that may have monomer units such as vinyl acetate, methallyl alcohol, allyl alcohol, allyl alcohol such as 2-hydroxymethyl-1-butene, N-vinylpyrrolidone, or N-vinylcarbazole.
- monomer units such as vinyl acetate, methallyl alcohol, allyl alcohol, allyl alcohol such as 2-hydroxymethyl-1-butene, N-vinylpyrrolidone, or N-vinylcarbazole.
- polyurethane-based resin examples include resins in which a polyurethane component is formed by polyaddition of a polyol component such as alkylene glycol or polyester polyol and a diisocyanate component such as aromatic diisocyanate, aliphatic diisocyanate, or alicyclic diisocyanate.
- a polyol component such as alkylene glycol or polyester polyol
- a diisocyanate component such as aromatic diisocyanate, aliphatic diisocyanate, or alicyclic diisocyanate.
- the epoxy resin examples include an alicyclic epoxy resin having a skeleton derived from an alicyclic compound, an epoxy resin having a glycidyl ether group, or an epoxy resin having an aromatic group.
- polyvinyl alcohol resin examples include polyvinyl alcohol resins, modified polyvinyl alcohol resins containing 1 to 50 mol% of ⁇ -olefin units having 4 or less carbon atoms, or polyvinyl acetal resins (polyvinyl butyral resins, etc.).
- the core resin is an ethylene copolymer such as an ethylene / (meth) acrylic acid (ester) copolymer or an ethylene / vinyl acetate copolymer
- a structural unit other than ethylene for example, (meth) acrylic acid (
- the content of the ester) unit or the vinyl acetate unit is preferably 10% by mass or more, more preferably 15% by mass or more, still more preferably 17.5% by mass or more, and particularly preferably 20% by mass or more.
- the upper limit of the content ratio of structural units other than ethylene is not limited, but is usually 90% by mass or less, preferably 80% by mass or less, and particularly preferably 70% by mass or less.
- the hydroxyl group mass concentration (mass% of vinyl alcohol units in the resin) of the polyvinyl alcohol-based resin is preferably 10 to 40% by mass, and a multilayer having excellent interlayer adhesion In order to obtain a structure, the content is more preferably 15 to 40% by mass, and particularly preferably 25 to 35% by mass.
- the hydroxyl group mass concentration of the polyvinyl alcohol resin can be measured by JIS K6728 “Polyvinyl butyral test method”. For example, a certain amount of polyvinyl alcohol resin is weighed, and hydroxyl groups in the polyvinyl alcohol resin are acetylated with a mixed solution of acetic anhydride and pyrimidine and titrated with a sodium hydroxide solution. The hydroxyl group mass concentration can be calculated by multiplying the number of moles of sodium hydroxide consumed by the molecular weight of the hydroxyl group-containing unit.
- the core resin is preferably a polyvinyl alcohol resin from the viewpoint of filler filling, and more preferably a modified polyvinyl alcohol resin or polyvinyl acetal containing 1 to 50 mol% of ⁇ -olefin units having 4 or less carbon atoms.
- a resin particularly preferably a polyvinyl butyral resin (hereinafter sometimes referred to as PVB).
- the core material resin may be modified by reacting a modifier such as an unsaturated carboxylic acid.
- the combustion calorific value of the core resin is not particularly limited, but is preferably 40 MJ / kg or less, more preferably 38 MJ / kg or less, and particularly preferably 35 MJ / kg or less.
- the combustion calorific value is measured by a method based on the test method of ISO 1716 (2010 edition).
- the method based on the test method of ISO 1716 (2010 edition) is a method using a bomb type adiabatic calorimeter or a bomb type automatic calorimeter.
- the tensile strength of the core resin is not particularly limited, but is preferably 30 MPa or more, more preferably 35 MPa or more, and particularly preferably 40 MPa or more.
- the tensile strength is measured by a plastic-tensile property test method in accordance with the test method of ISO 527-1 (2012 edition).
- the melt viscosity of the core resin is not particularly limited, but is preferably 3,000 Pa ⁇ s or less, more preferably 2,000 Pa ⁇ s or less, and particularly preferably 1,000 Pa ⁇ s or less.
- the lower limit of the melt viscosity of the core resin is not particularly limited, but is usually 10 Pa ⁇ s or more, preferably 30 Pa ⁇ s or more, and particularly preferably 50 Pa ⁇ s or more.
- the melt viscosity of the core resin is 3,000 Pa ⁇ s or less, the resin is likely to be present at the interface between the adhesive layer and the core material layer at the time of thermoforming in the production process, and the core material layer and the metal layer are bonded. Strength is improved.
- the melt viscosity is a value at a temperature of 200 ° C. and a shear rate of 100 [1 / sec], and a plastic flow using a plastic-capillary rheometer and a slit direometer in accordance with the test method of ISO 11443 (1995 edition). Measure with the test method.
- a preferable core material resin is a resin having a calorific value of 40 MJ / kg or less, a tensile strength of 30 MPa or more, and a melt viscosity of 3,000 Pa ⁇ s or less.
- the weight average molecular weight (Mw) of the core material resin is preferably 5.0 ⁇ 10 3 or more, more preferably 1.0 ⁇ 10 4 or more, and further preferably 2.0 ⁇ 10 4 or more.
- the upper limit of the weight average molecular weight of the core resin is not limited, but is usually 1.0 ⁇ 10 5 or less, and preferably 8.0 ⁇ 10 4 or less.
- the weight average molecular weight can be measured by the GPC method, for example, under the following measurement conditions.
- Injection volume 100 ⁇ l
- the ratio (Mw / Mn) of the weight average molecular weight (Mw) to the number average molecular weight (Mn) of the core resin is usually 0.5 or more, preferably 1.0 or more, particularly preferably 1.5 or more.
- limiting in the upper limit of the ratio of the weight average molecular weight with respect to the number average molecular weight of core resin Usually, 5.0 or less, Preferably it is 4.0 or less, Most preferably, it is 3.0 or less.
- the number average molecular weight is measured by the same method as the weight average molecular weight.
- the core material layer is composed of a filler, a dispersant, a lubricant, a processing aid, a silane coupling agent, a curing agent, a release agent, a pigment, a flame retardant, a weathering agent, and an antioxidant.
- a filler a dispersant, a lubricant, a processing aid, a silane coupling agent, a curing agent, a release agent, a pigment, a flame retardant, a weathering agent, and an antioxidant.
- 1 type, or 2 or more types, such as an agent, a plasticizer, a sliding agent, and a foaming agent may be included.
- fillers examples include fibrous fillers, granular fillers, and plate-like fillers.
- a fibrous filler is a filler whose shape is fibrous.
- the plate-like filler is a filler whose shape is plate-like.
- the granular filler is a filler having a shape other than a fiber or plate including an indefinite shape.
- fibrous filler examples include glass fiber, carbon fiber, asbestos fiber, metal fiber, wollastonite, attapulgite, sepiolite, rock wool, aluminum borate whisker, potassium titanate fiber, calcium carbonate whisker, titanium oxide whisker,
- fibrous inorganic fillers such as ceramic fibers
- fibrous organic fillers such as aramid fibers, polyimide fibers, and polyparaphenylene benzobisoxazole fibers. These may be used alone or in combination of two or more.
- Examples of the plate-like filler and granular filler include talc, kaolin clay, calcium carbonate, zinc oxide, calcium silicate hydrate, mica, glass flake, glass powder, magnesium carbonate, silica, titanium oxide, alumina, and water.
- the filler is preferably an inorganic filler, more preferably one or more selected from glass fibers, carbon fibers, glass beads, calcium carbonate, and the like. When such a filler is used, the mechanical strength of the core material layer can be particularly improved.
- the filler may be surface-treated with a coupling agent such as a silane coupling agent.
- a saturated fatty acid metal salt such as zinc stearate is used.
- esters or amides of saturated fatty acids are used.
- an acrylic resin, a polyimide resin or a polyolefin resin is used, and a modified acrylic resin is preferably used.
- Metal hydroxide is not particularly limited as long as it can absorb heat energy by decomposing a hydroxyl group, but specifically, inorganic such as aluminum hydroxide, magnesium hydroxide, calcium hydroxide, etc. Metal hydroxide is preferred. One or two or more metal hydroxides can be used.
- inorganic metal hydroxides trivalent metal hydroxides and alkaline earth metal hydroxides, particularly magnesium hydroxide, aluminum hydroxide and calcium hydroxide are preferred.
- magnesium hydroxide particularly magnesium hydroxide
- aluminum hydroxide is excellent and preferable in obtaining the effects of the present invention.
- the average particle diameter of the metal hydroxide is not particularly limited, but is usually 0.1 to 200 ⁇ m, preferably 20 to 180 ⁇ m, and particularly preferably 50 to 150 ⁇ m.
- the average particle diameter of the metal hydroxide is measured by the microtrack method.
- the contents of the core material resin and the metal hydroxide in the core material layer are not particularly limited, but when the core material layer is 100 parts by mass, the core material resin is 1 to 10 parts by mass and the metal hydroxide is 40 to 40%. 99 parts by mass is preferable, more preferably 2 to 7 parts by mass of the core resin and 40 to 95 parts by mass of the metal hydroxide, and particularly preferably 2 to 7 parts by mass of the core resin and 60 to 95 parts by mass of the metal hydroxide. It is preferable from the viewpoint of suppressing the combustion heat generation amount of the core material layer.
- the contents of the core resin, metal hydroxide and filler in the core layer are not particularly limited, but when the core layer is 100 parts by mass, 1 to 10 parts by mass of the core resin and metal hydroxide
- the total of the product and the filler is preferably 75 to 99 parts by mass, more preferably 2 to 7 parts by mass of the core resin and 77 to 98 parts by mass of the total of the metal hydroxide and the filler, and particularly preferably the core resin 2 It is preferable that the total of ⁇ 7 parts by mass and the metal hydroxide and filler is 80 to 98 parts by mass in terms of suppressing the amount of combustion heat generated in the core layer.
- the combustion calorific value of the core layer is 2.0 MJ / kg or less, preferably 1.7 MJ / kg or less, more preferably 1.4 MJ / kg or less, still more preferably 1.1 MJ / kg or less, particularly preferably. 0.8 MJ / kg or less.
- the combustion calorific value of the core material layer is measured by a method based on the test method of ISO 1716 (2010 edition).
- the method based on the test method of ISO 1716 (2010 edition) is a method using a bomb type adiabatic calorimeter or a bomb type automatic calorimeter.
- the core material layer preferably has a maximum temperature increase of 50 ° C. or less when heated at 750 ° C. for 20 minutes in a test based on the test method of ISO 1182 (2010 edition), and the maximum temperature increase is 50 ° C. or less. It is more preferable that the core material layer does not ignite, and it is particularly preferable that the maximum temperature rise is 30 ° C. or less and the core material layer does not ignite.
- the maximum temperature rise due to a test based on the test method of ISO 1182 (2010 edition) is to hold a cylindrical specimen having a diameter of 43 mm to 45 mm and a height of 50 ⁇ 3 mm in a furnace at 750 ⁇ 5 ° C. for 20 minutes.
- the temperature rise is measured by three thermocouples installed on the inside, the surface of the specimen, and the center of the specimen, and is obtained by subtracting the measured temperature at 20 minutes from the maximum temperature. The presence or absence of ignition is judged visually by the operator.
- the thickness of the core material layer is not particularly limited, but is usually 1.0 to 8.0 mm, preferably 1.3 to 8.0 mm, more preferably 2.0 to 8.0 mm, and still more preferably 2.5. It is ⁇ 6.0 mm, particularly preferably 3.0 to 5.0 mm.
- the specific gravity of the core material layer composition after forming the sheet is usually 1.6 or more, particularly preferably 1.7 or more, from the viewpoint of the dispersion state of the core resin and the filler.
- the upper limit of the specific gravity of the core layer composition after forming the sheet is usually 2.5 or less, preferably 2.3 or less, more preferably 2.0 or less, and particularly preferably 1.9 or less.
- Metal layer As a metal layer, the layer which consists of metals, such as aluminum, stainless steel, iron, copper, titanium, tin, nickel, or various alloys is mentioned. As the metal layer, a layer made of aluminum, stainless steel or iron is preferable, and a layer made of aluminum is particularly preferable.
- the thickness of the metal layer is preferably 0.1 to 0.8 mm considering the strength against external force applied to the flame retardant metal resin composite material.
- the flame retardant metal resin composite material of the present invention preferably has an adhesive layer between the core material layer and the metal layer.
- the adhesive layer is preferably made of a resin having a polar group in the side chain, and particularly preferably made of a thermoplastic resin having a polar group in the side chain, from the viewpoint of having an affinity for both the core material layer and the metal layer. .
- the polar group is at least one functional group selected from the group consisting of a hydroxyl group, a carboxyl group, an aldehyde group, an amino group, a glycidyl group and a ketone group, so that the adhesive strength with the metal layer is improved. This is preferable.
- thermoplastic resin having a polar group in the side chain examples include a modified polyolefin resin, an olefin copolymer, an acrylic resin, a polyurethane resin, an epoxy resin, and a thermoplastic elastomer.
- a modified polyolefin resin, an olefin copolymer, an acrylic resin, a polyurethane resin, or an epoxy resin is preferable, and a modified polyolefin resin or an olefin copolymer is more preferable.
- a maleic anhydride graft-modified polyolefin resin such as a maleic anhydride graft copolymer of polyethylene or a maleic anhydride graft copolymer of ethylene / propylene copolymer, or Unsaturated carboxylic acid graft modified polyolefin resin such as (meth) acrylic acid graft modified polyolefin resin such as polyethylene acrylic acid graft copolymer; ethylene / (meth) acrylic acid (ester) copolymer, ethylene / vinyl acetate More preferred are ethylene copolymers such as copolymers, ethylene / glycidyl acrylate copolymers, ethylene / maleic anhydride copolymers, and acrylic acid graft copolymers of polyethylene.
- thermoplastic resin having a polar group in the side chain is particularly preferably an ethylene / (meth) acrylic acid (ester) copolymer, an ethylene / vinyl acetate copolymer and an ethylene / maleic anhydride copolymer, These are preferable in terms of good interaction with the core resin according to the present invention.
- thermoplastic resin may be modified by reacting a modifying agent such as an unsaturated carboxylic acid.
- the adhesive layer is previously formed on the metal layer and then bonded to the core material layer.
- the thickness of the adhesive layer is not particularly limited, but is usually 5 to 100 ⁇ m, preferably 10 to 80 ⁇ m, particularly preferably 20 to 50 ⁇ m.
- the flame retardant metal resin composite material of the present invention has a face material peel strength of not less than 2.4 N / mm, preferably not less than 3.1 N / mm, more preferably not less than 3. 5 N / mm, as measured according to the test method of ISO 8510-2. 9 N / mm or more.
- the bending strength of the flame retardant metal resin composite is usually 50 MPa or more, preferably 60 MPa or more.
- the flexural modulus of the flame-retardant metal resin composite is usually 5.0 ⁇ 10 3 N / mm 2 or more, preferably 3.0 ⁇ 10 4 N / mm 2 or more. .
- the upper limit of a bending elastic modulus Usually, it is 7.0 * 10 ⁇ 4 > N / mm ⁇ 2 > or less.
- the flexural modulus of the flame retardant metal resin composite is usually 1.4 ⁇ 10 4 N / mm 2 or more, preferably 3.0 ⁇ 10 4 N / mm 2. As described above, it is usually 2.0 ⁇ 10 5 N / mm 2 or less.
- the flexural rigidity of the flame retardant metal resin composite is usually 1.0 ⁇ 10 7 N ⁇ mm 2 or more, preferably 1.3 ⁇ 10 7 N ⁇ mm 2 or more.
- the flame retardant metal resin composite material has a bending strength, a flexural modulus, and a bending rigidity of a sample (width 60 mm, span 200 mm) using a two-point supported central one-point loading method, and a load speed of 50 mm / min. Measure under conditions.
- the total thickness of the flame retardant metal resin composite material is not particularly limited because it is appropriately set depending on the use of the flame retardant metal resin composite material, but is usually 1.5 mm or more, preferably 2.0 mm or more, more Preferably it is 2.5 mm or more, Most preferably, it is 3.0 mm or more.
- the upper limit of the thickness of the flame retardant metal resin composite material is not particularly limited, and may be 50 mm or less.
- the manufacturing method of the flame-retardant metal resin composite material of this invention is demonstrated. Although it does not specifically limit as a manufacturing method of the flame-retardant metal resin composite material of this invention, for example, the injection molding method, the transfer molding method, the compression molding method, the injection compression molding method etc. are mentioned. Among these, the compression molding method is particularly suitable.
- Examples of a method for producing a flame retardant metal resin composite material by compression molding include the following methods. 1-10% by mass of core material resin and 40-95% by mass of metal hydroxide, and the above-mentioned fillers, dispersants, lubricants, processing aids, silane coupling agents, curing agents, mold release, as necessary.
- 1 type or 2 types or more such as an agent, a pigment, a flame retardant, a weathering agent, an antioxidant, a plasticizer, a sliding agent, or a foaming agent are mixed by a conventionally known method such as a mixer (preferably heated and kneaded to form a resin) And 100% by mass of the core material layer composition obtained by uniformly mixing the metal hydroxide and the resin, etc., is supplied onto the first metal layer having the adhesive layer.
- the second metal layer having an adhesive layer is superposed and heated and pressed by a conventionally known method such as hot pressing.
- the adhesive layer of the second metal layer is disposed on the core material layer side.
- the heating conditions are not particularly limited, but are preferably 140 to 200 ° C., particularly preferably 160 to 180 ° C.
- Pressure condition is not particular limitation, and preferably 300 ⁇ 1000N / cm 2, particularly preferably 500 ⁇ 800N / cm 2.
- the holding time is not particularly limited, but is preferably 1 to 60 seconds, particularly preferably 10 to 30 seconds.
- the flame retardant metal resin composite material of the present invention is obtained by the above operation.
- Test piece width 60 mm, span 200 mm was measured at a load speed of 50 mm / min using a two-point supported central one-point load method.
- ⁇ Melt viscosity> It was measured by a plastic flow test method using a plastic-capillary rheometer and a slit die rheometer in accordance with the test method of ISO 11443 (1995 edition). Specifically, it was performed by measuring the temperature dependence of the melt viscosity using a flow tester. The flow rate is obtained from the measurement time and the amount of movement of the piston with respect to the measurement time, the shear rate is calculated using the value of the flow rate, and the apparent viscosity is determined from the shear rate and the shear stress applied to the sample at a temperature of 200 ° C. and a shear rate of 100 [ The melt viscosity at 1 / sec] was calculated.
- ⁇ Maximum temperature rise of core layer and ignition test> The maximum temperature rise and the presence or absence of ignition were examined by a test based on the test method of ISO 1182 (2010 edition). Specifically, a cylindrical specimen having a diameter of 43 mm or more and 45 mm or less and a height of 50 ⁇ 3 mm was held in a furnace at 750 ⁇ 5 ° C. for 20 minutes and placed in the furnace, the specimen surface, or the center of the specimen. The temperature rise was measured by three thermocouples, and the maximum temperature rise was determined by subtracting the measured temperature at 20 minutes from the maximum temperature reached. The presence or absence of ignition was judged by visual observation of the measurer.
- Example 1 A metal resin composite was produced by the following procedure using an aluminum sheet having a thickness of 0.5 mm having an adhesive layer (ethylene / maleic anhydride copolymer) having a thickness of 30 ⁇ m and a core material layer composition. .
- ⁇ Preparation of core layer composition Polyvinyl alcohol resin (polyvinyl butyral, weight average molecular weight (Mw) 2.1 ⁇ 10 4 , Mw / number average molecular weight (Mn) 2.3, hydroxyl group mass concentration 18 to 21% by mass, combustion calorific value 30.4 MJ / kg , Tensile strength 46 MPa, melt viscosity 300 Pa ⁇ S 5 mass%, metal hydroxide (aluminum hydroxide) 80 mass%, and inorganic filler (hollow glass balloon, particle size: 1.2 mm or less, bulk density: 0. 4 g / m 3 ) 15% by mass was melt-kneaded at 160 ° C. to prepare a core material layer composition.
- Mw weight average molecular weight
- Mn number average molecular weight
- hydroxyl group mass concentration 18 to 21% by mass combustion calorific value 30.4 MJ / kg
- Tensile strength 46 MPa melt viscosity 300 Pa ⁇ S 5 mass
- Example 2 In Example 1, the polyvinyl butyral compounding ratio in the core resin was changed from 5% by mass to 7% by mass, the aluminum hydroxide compounding ratio was changed from 80% by mass to 48% by mass, and calcium carbonate as an inorganic filler was 30% by mass.
- a metal-resin composite material was produced in the same manner as in Example 1 except that% addition was added. Table 1 shows the measurement results of the peel strength of the metal resin composite material, the combustion calorific value of the core material layer, the maximum temperature rise, and the ignition test.
- Example 1 Example 1 except that the core resin was changed from polyvinyl butyral to ethylene-methyl methacrylate copolymer resin (EMAA, combustion calorific value 43.3 MJ / kg, tensile strength 24 MPa, melt viscosity 100 Pa ⁇ S) in Example 1.
- EVA ethylene-methyl methacrylate copolymer resin
- Table 1 shows the measurement results of the face material peel strength of this metal resin composite material and the combustion heat value of the core material layer. The maximum temperature rise and ignition presence / absence test was not performed because the measurement result of the face material peel strength was low.
- Example 2 the core resin was changed from polyvinyl butyral to ethylene-methyl methacrylate copolymer resin (EMAA, combustion calorific value 43.3 MJ / kg, tensile strength 24 MPa, melt viscosity 100 Pa ⁇ S).
- EVA ethylene-methyl methacrylate copolymer resin
- Table 1 shows the measurement results of the peel strength of the metal resin composite material, the combustion calorific value of the core material layer, the maximum temperature rise, and the ignition test.
- Example 3 Example 2 except that the core resin was changed from polyvinyl butyral to ethylene-vinyl acetate copolymer resin (EVA, combustion calorific value 25.2 MJ / kg, tensile strength 2 MPa, melt viscosity 400 Pa ⁇ S) in Example 2.
- EVA ethylene-vinyl acetate copolymer resin
- Table 1 shows the measurement results of the face material peel strength of this metal resin composite material and the combustion heat value of the core material layer. The maximum temperature rise and ignition presence / absence test was not performed because the measurement result of the face material peel strength was low.
- PVB which is a resin having a tensile strength of 30 MPa or more and a melt viscosity of 3,000 Pa ⁇ s or less, as the core resin, the calorific value is low and the flame retardancy is low. Excellent surface material peel strength. This is because PVB has high affinity with metal hydroxide aluminum hydroxide and inorganic filler, and the presence of PVB at the core layer interface in contact with the adhesive layer increased the peel strength of the face material. It is believed that there is.
- the tensile strength of the core resin is 24 MPa and less than 30 MPa.
- the tensile strength of the core resin is 2 MPa and less than 30 MPa. Therefore, the face material peel strength of the metal resin composite materials of Comparative Examples 1 and 3 is as low as 0.8 N / mm.
- the face material peel strength is improved as compared with Comparative Example 1.
- the calorific value of combustion of the core material layer is larger than 2.2 MJ / kg and 2.0 MJ / kg, the maximum temperature rise of the core material layer exceeds 50 ° C. and there is ignition in the ignition presence / absence test.
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Abstract
Description
本発明の難燃性金属樹脂複合材の芯材層は、少なくとも樹脂及び金属水酸化物を含む。
以下、芯材層に含まれる樹脂を芯材樹脂ということがある。
芯材樹脂としては、特段の制限はないが、ヒドロキシル基、カルボキシル基、アルデヒド基、アミノ基、グリシジル基及びケトン基等の極性基を有する樹脂の1種以上が、金属水酸化物との相互作用が高まる点で好ましい。
測定装置:HLC-8320GPC(TOSOH社製)
カラム:TSKgel GMHXL 4本(TOSOH製)
溶離液:THF
測定温度:40℃
溶離液流速:1ml/min
サンプル濃度:1mg/ml
注入量:100μl
芯材層は、本発明の効果が損なわれない限りにおいて、充填材、分散剤、滑剤、加工助剤、シランカップリング剤、硬化剤、離型剤、顔料、難燃剤、耐候剤、酸化防止剤、可塑剤、摺動剤、および発泡剤などの1種又は2種以上を含んでいてもよい。
潤滑剤としては、飽和脂肪酸のエステルやアミドが用いられる。
加工助剤としては、アクリル系樹脂、ポリイミド系樹脂又はポリオレフィン系樹脂が用いられ、好ましくは変性アクリル系樹脂が用いられる。
金属水酸化物は、水酸基が分解されることで熱エネルギーを吸収できるものであれば特に限定されるものではないが、具体的には、水酸化アルミニウム、水酸化マグネシウム、水酸化カルシウム等の無機金属水酸化物が好ましい。金属水酸化物は、一種もしくは二種以上を使用することができる。
芯材層における芯材樹脂及び金属水酸化物の含有量は、特段の制限はないが、芯材層を100質量部とした場合、芯材樹脂1~10質量部及び金属水酸化物40~99質量部が好ましく、より好ましくは芯材樹脂2~7質量部及び金属水酸化物40~95質量部、特に好ましくは芯材樹脂2~7質量部及び金属水酸化物60~95質量部であることが、芯材層の燃焼発熱量を抑える点で好ましい。
芯材層の燃焼発熱量は、2.0MJ/kg以下であり、好ましくは1.7MJ/kg以下、より好ましくは1.4MJ/kg以下、更に好ましくは1.1MJ/kg以下、特に好ましくは0.8MJ/kg以下である。
芯材層組成物は、芯材樹脂とフィラーの分散状態の観点から、シート成形後の芯材層組成物の比重が通常1.6以上、特に好ましくは1.7以上である。シート成形後の芯材層組成物の比重の上限は通常2.5以下、好ましくは2.3以下、より好ましくは2.0以下、特に好ましくは1.9以下である。
金属層としては、アルミニウム、ステンレス、鉄、銅、チタン、錫、ニッケル等の金属または各種の合金から成る層が挙げられる。金属層としては、アルミニウム、ステンレス又は鉄から成る層が好ましく、特にアルミニウムから成る層が好ましい。
本発明の難燃性金属樹脂複合材は、芯材層と金属層の間に接着層を有することが好ましい。接着層は、芯材層と金属層の両者に親和性を有する観点から、極性基を側鎖に有する樹脂よりなることが好ましく、極性基を側鎖に有する熱可塑性樹脂よりなることが特に好ましい。
本発明の難燃性金属樹脂複合材は、ISO 8510-2の試験方法に準拠した測定による面材剥離強度が2.4N/mm以上、好ましくは3.1N/mm以上、より好ましくは3.9N/mm以上である。
難燃性金属樹脂複合材の全体の厚さは、難燃性金属樹脂複合材の用途によって適宜設定されるため特に限定されないが、通常1.5mm以上であり、好ましくは2.0mm以上、より好ましくは2.5mm以上、特に好ましくは3.0mm以上である。難燃性金属樹脂複合材の厚さの上限値については特に限定されず、50mm以下であってもよい。
本発明の難燃性金属樹脂複合材の製造方法について説明する。本発明の難燃性金属樹脂複合材の製造方法としては特に限定されないが、例えば、射出成形法、移送成形法、圧縮成形法、射出圧縮成形法などが挙げられる。これらの中でも、圧縮成形法が特に適している。
芯材樹脂1~10質量%、及び金属水酸化物40~95質量%と、必要に応じて、上述した充填材、分散剤、滑剤、加工助剤、シランカップリング剤、硬化剤、離型剤、顔料、難燃剤、耐候剤、酸化防止剤、可塑剤、摺動剤、又は発泡剤などの1種又は2種以上をミキサー等の従来公知の方法によって混合(好ましくは加熱混練して樹脂を溶融させ、金属水酸化物と樹脂等とを均一に混合する。)して得た芯材層組成物100質量%を、接着層を有する第1の金属層の上に供給する。次いで、接着層を有する第2の金属層と重ね合わせて、熱プレス等の従来公知の方法によって加熱及び加圧する。第2の金属層の接着層は芯材層側に配置される。加熱条件は、特段の制限はないが、好ましくは140~200℃、特に好ましくは160~180℃である。加圧条件は、特段の制限はないが、好ましくは300~1000N/cm2、特に好ましくは500~800N/cm2である。保持時間は、特段の制限はないが、好ましくは1~60秒、特に好ましくは10~30秒である。
以上の操作で本発明の難燃性金属樹脂複合材が得られる。
本実施形態は、これらの実施例の記載に何ら限定されるものではない。
ISO 1716(2010年度版)の試験方法に準拠した測定方法で測定した。ボンブ式断熱熱量計、又はボンブ式自動熱量計によって試料を燃焼させ、その間の温度上昇を測定し、各試料1gに対するJ数を求め、定容総発熱量を測定した。
ISO 8510-2の試験方法に準拠した測定方法で測定した。幅25.0mm±0.5mm、最小長さ150mmの試験体を準備し、第一の金属層を試験体長さの6割程度剥離させ、第一の金属層を固定つかみで挟み、剥離させていない側をもう一方のつかみに取り付ける。このとき、試験体の幅に対し、均一に張力が掛かるように、試験体をつかみ間に正確に取り付けるように注意する。100mm/minの速度で剥離させ、少なくとも50mm剥離するまで続ける。各試験体について、最初の25mmを除いた剥離長さにわたって、力-つかみ移動距離曲線から平均剥離強度(N)を測定した。
試験片(幅60mm、スパン200mm)に対して、2点支持の中央1点荷重方式を採用し、荷重速度50mm/分の条件下にて測定した。
ISO 527-1(2012年度版)の試験方法に準拠したプラスチック-引張特性の試験方法で測定した。具体的には、各樹脂のISO多目的ダンベルA型試験片を作成し、評価装置を用いてISO 527に準拠する方法で、各試験片において23℃における引張り強さを測定した。
ISO 11443(1995年度版)の試験方法に準拠した、プラスチック-キャピラリーレオメーター及びスリットダイレオメーターによるプラスチックの流れの試験方法で測定した。具体的には、フローテスタを用い、溶融粘度の温度依存性を測定することで行った。計測時間と計測時間に対するピストンの移動量からフローレートを求め、そのフローレートの値を用いて剪断速度を算出し、剪断速度と試料が受ける剪断応力から見かけ粘度として温度200℃・剪断速度100[1/sec]における溶融粘度を算出した。
ISO 1182(2010年版)の試験方法に準拠した試験により最大温度上昇及び着火の有無を調べた。具体的には、直径43mm以上45mm以下、高さ50±3mmの円柱形の試験体を750±5℃の炉内に20分間保持し、炉内・試験体表面・試験体中心部に設置した3か所の熱電対によって温度上昇を測定し、最高到達温度から20分時の測定温度を差し引くことによって最大温度上昇を求めた。着火の有無は測定者の目視によって判断した。
厚さ30μmの接着層(エチレン・無水マレイン酸共重合体)を有する厚さ0.5mmのアルミニウムシートと、芯材層組成物とを用いて、金属樹脂複合材を、以下の手順により製造した。
ポリビニルアルコール系樹脂(ポリビニルブチラール、重量平均分子量(Mw)2.1×104、Mw/数平均分子量(Mn)2.3、水酸基質量濃度18~21質量%、燃焼発熱量30.4MJ/kg、引張強さ46MPa、溶融粘度300Pa・S)5質量%、金属水酸化物(水酸化アルミニウム)80質量%及び無機充填材(中空ガラスバルーン、粒径:1.2mm以下、嵩密度:0.4g/m3)15質量%を160℃にて溶融混練して、芯材層組成物を調製した。
接着層を有するアルミニウムシートの上に上記芯材組成物を供給し、さらにその上に接着層を有するアルミニウムシートを重ね、熱プレス機を用いて160℃、500N/cm2の圧力下に10秒間保持して接着し、厚さ4mmの金属樹脂複合体を作製した。この金属樹脂複合材の面材剥離強度と、芯材層の燃焼発熱量、最大温度上昇及び着火有無試験の測定結果を表1に記す。
実施例1において、芯材樹脂中のポリビニルブチラール配合率を5質量%から7質量%に、水酸化アルミニウム配合率を80質量%から48質量%に変更し、無機充填材として炭酸カルシウムを30質量%追加配合したこと以外は実施例1と同様にして金属樹脂複合材を製造した。この金属樹脂複合材の面材剥離強度と、芯材層の燃焼発熱量、最大温度上昇及び着火有無試験の測定結果を表1に記す。
実施例1において、芯材樹脂をポリビニルブチラールからエチレン-メチルメタクリレート共重合樹脂(EMAA、燃焼発熱量43.3MJ/kg、引張強さ24MPa、溶融粘度100Pa・S)に変更したこと以外は実施例1と同様にして金属樹脂複合材を製造した。この金属樹脂複合材の面材剥離強度及び芯材層の燃焼発熱量の測定結果を表1に記す。最大温度上昇及び着火有無試験は、面材剥離強度の測定結果が低かったため実施しなかった。
実施例2において、芯材樹脂をポリビニルブチラールからエチレン-メチルメタクリレート共重合樹脂(EMAA、燃焼発熱量43.3MJ/kg、引張強さ24MPa、溶融粘度100Pa・S)に変更したこと以外は実施例2と同様にして金属樹脂複合材を製造した。この金属樹脂複合材の面材剥離強度と、芯材層の燃焼発熱量、最大温度上昇及び着火有無試験の測定結果を表1に記す。
実施例2において、芯材樹脂をポリビニルブチラールからエチレン-酢酸ビニル共重合樹脂(EVA、燃焼発熱量25.2MJ/kg、引張強さ2MPa、溶融粘度400Pa・S)に変更したこと以外は実施例2と同様にして金属樹脂複合材を製造した。この金属樹脂複合材の面材剥離強度及び芯材層の燃焼発熱量の測定結果を表1に記す。最大温度上昇及び着火有無試験は、面材剥離強度の測定結果が低かったため実施しなかった。
実施例1及び2の金属樹脂複合材は、芯材樹脂として引張強さ30MPa以上、溶融粘度3,000Pa・s以下の樹脂であるPVBを使用しているため、発熱量が低く、難燃性に優れ、面材剥離強度が高い。これはPVBと金属水酸化物の水酸化アルミニウム、及び無機充填材との親和性が高く、また接着層と接する芯材層界面にPVBが多く存在することにより、面材剥離強度が増したためであると考えられる。
本出願は、2018年2月14日付で出願された日本特許出願2018-024257及び2018年9月25日付で出願された日本特許出願2018-178911に基づいており、その全体が引用により援用される。
Claims (10)
- 樹脂を含む芯材層の両面に金属層が積層されている金属樹脂複合材であって、
該芯材層は金属水酸化物及び樹脂を含み、
該芯材層の燃焼発熱量は2.0MJ/kg以下であり、
該金属樹脂複合材の面材剥離強度が2.4N/mm以上であることを特徴とする難燃性金属樹脂複合材。 - 前記芯材層を、ISO1182の試験方法に準拠した試験において、750℃、20分間加熱したときに、最大温度上昇が50℃以下である、請求項1に記載の難燃性金属樹脂複合材。
- 前記芯材層に含まれる樹脂の燃焼発熱量が40MJ/kg以下である、請求項1又は2に記載の難燃性金属樹脂複合材。
- 前記芯材層に含まれる樹脂の引張強さが30MPa以上である、請求項1~3のいずれか一項に記載の難燃性金属樹脂複合材。
- 前記芯材層に含まれる樹脂の溶融粘度が3,000Pa・s以下である、請求項1~4のいずれか一項に記載の難燃性金属樹脂複合材。
- 前記芯材層と前記金属層の間に更に接着層を有し、該接着層は極性基を側鎖に有する樹脂を含む、請求項1~5のいずれか一項に記載の難燃性金属樹脂複合材。
- 前記芯材層に含まれる樹脂はポリビニルアルコール系樹脂である、請求項1~6のいずれか一項に記載の難燃性金属樹脂複合材。
- 前記極性基は、少なくともヒドロキシル基、カルボキシル基、アルデヒド基、アミノ基、グリシジル基及びケトン基からなる群から選ばれる1種以上の官能基である請求項6に記載の難燃性金属樹脂複合材。
- 前記極性基を側鎖に有する樹脂が、変性ポリオレフィン系樹脂、オレフィン系共重合体、アクリル系樹脂、ポリウレタン系樹脂又はエポキシ系樹脂である、請求項6又は8に記載の難燃性金属樹脂複合材。
- 前記芯材層は、該芯材層を100質量部とした場合、前記樹脂を1~10質量部及び前記金属水酸化物を40~99質量部含む、請求項1~9のいずれか一項に記載の難燃性金属樹脂複合材。
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AU2019219969A AU2019219969B2 (en) | 2018-02-14 | 2019-02-13 | Flame retardant metal-resin composite material |
EP23212865.2A EP4306735A3 (en) | 2018-02-14 | 2019-02-13 | Flame retardant metal-resin composite material |
JP2020500501A JP7211408B2 (ja) | 2018-02-14 | 2019-02-13 | 難燃性金属樹脂複合材 |
CA3074679A CA3074679A1 (en) | 2018-02-14 | 2019-02-13 | Flame retardant metal-resin composite material |
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US20200198299A1 (en) | 2020-06-25 |
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AU2019219969A1 (en) | 2020-03-26 |
EP3753728A4 (en) | 2021-04-07 |
AU2019219969B2 (en) | 2024-02-29 |
EP4306735A3 (en) | 2024-02-21 |
CA3074679A1 (en) | 2019-08-22 |
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