WO2023204283A1 - Objet en résine phénolique expansée et stratifié associé - Google Patents
Objet en résine phénolique expansée et stratifié associé Download PDFInfo
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- WO2023204283A1 WO2023204283A1 PCT/JP2023/015835 JP2023015835W WO2023204283A1 WO 2023204283 A1 WO2023204283 A1 WO 2023204283A1 JP 2023015835 W JP2023015835 W JP 2023015835W WO 2023204283 A1 WO2023204283 A1 WO 2023204283A1
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- WIPO (PCT)
- Prior art keywords
- phenolic resin
- resin foam
- mass
- hydrofluoroether
- foam
- Prior art date
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- 239000005011 phenolic resin Substances 0.000 title claims abstract description 217
- 229920001568 phenolic resin Polymers 0.000 title claims abstract description 156
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 title claims abstract description 154
- 239000006260 foam Substances 0.000 claims description 159
- 239000000463 material Substances 0.000 claims description 51
- 239000004604 Blowing Agent Substances 0.000 claims description 43
- -1 methyl perfluoropropyl ether Chemical compound 0.000 claims description 19
- 150000002430 hydrocarbons Chemical class 0.000 claims description 13
- 229930195733 hydrocarbon Natural products 0.000 claims description 10
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- QKAGYSDHEJITFV-UHFFFAOYSA-N 1,1,1,2,2,3,4,5,5,5-decafluoro-3-methoxy-4-(trifluoromethyl)pentane Chemical compound FC(F)(F)C(F)(F)C(F)(OC)C(F)(C(F)(F)F)C(F)(F)F QKAGYSDHEJITFV-UHFFFAOYSA-N 0.000 claims description 3
- DFUYAWQUODQGFF-UHFFFAOYSA-N 1-ethoxy-1,1,2,2,3,3,4,4,4-nonafluorobutane Chemical compound CCOC(F)(F)C(F)(F)C(F)(F)C(F)(F)F DFUYAWQUODQGFF-UHFFFAOYSA-N 0.000 claims description 3
- SQEGLLMNIBLLNQ-UHFFFAOYSA-N 1-ethoxy-1,1,2,3,3,3-hexafluoro-2-(trifluoromethyl)propane Chemical compound CCOC(F)(F)C(F)(C(F)(F)F)C(F)(F)F SQEGLLMNIBLLNQ-UHFFFAOYSA-N 0.000 claims description 3
- DJXNLVJQMJNEMN-UHFFFAOYSA-N 2-[difluoro(methoxy)methyl]-1,1,1,2,3,3,3-heptafluoropropane Chemical compound COC(F)(F)C(F)(C(F)(F)F)C(F)(F)F DJXNLVJQMJNEMN-UHFFFAOYSA-N 0.000 claims description 3
- FNUBKINEQIEODM-UHFFFAOYSA-N 3,3,4,4,5,5,5-heptafluoropentanal Chemical compound FC(F)(F)C(F)(F)C(F)(F)CC=O FNUBKINEQIEODM-UHFFFAOYSA-N 0.000 claims description 3
- ZDCRNXMZSKCKRF-UHFFFAOYSA-N tert-butyl 4-(4-bromoanilino)piperidine-1-carboxylate Chemical compound C1CN(C(=O)OC(C)(C)C)CCC1NC1=CC=C(Br)C=C1 ZDCRNXMZSKCKRF-UHFFFAOYSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 description 86
- 210000004027 cell Anatomy 0.000 description 40
- 238000000034 method Methods 0.000 description 31
- 229920005989 resin Polymers 0.000 description 30
- 239000011347 resin Substances 0.000 description 30
- 238000005187 foaming Methods 0.000 description 27
- 238000005259 measurement Methods 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 22
- 239000003795 chemical substances by application Substances 0.000 description 19
- 230000002378 acidificating effect Effects 0.000 description 17
- 239000002667 nucleating agent Substances 0.000 description 17
- 239000000843 powder Substances 0.000 description 16
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 15
- 230000007423 decrease Effects 0.000 description 13
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 12
- 239000000523 sample Substances 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 11
- 239000000123 paper Substances 0.000 description 11
- 238000009835 boiling Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 10
- 238000009413 insulation Methods 0.000 description 10
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 239000011800 void material Substances 0.000 description 10
- 239000004745 nonwoven fabric Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 8
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 8
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 8
- 239000004088 foaming agent Substances 0.000 description 8
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- LDTMPQQAWUMPKS-OWOJBTEDSA-N (e)-1-chloro-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)\C=C\Cl LDTMPQQAWUMPKS-OWOJBTEDSA-N 0.000 description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- 150000001299 aldehydes Chemical class 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 6
- 238000004898 kneading Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- 150000002989 phenols Chemical class 0.000 description 6
- 238000011417 postcuring Methods 0.000 description 6
- CQRYARSYNCAZFO-UHFFFAOYSA-N salicyl alcohol Chemical compound OCC1=CC=CC=C1O CQRYARSYNCAZFO-UHFFFAOYSA-N 0.000 description 6
- IJDNQMDRQITEOD-UHFFFAOYSA-N sec-butylidene Natural products CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- CDOOAUSHHFGWSA-OWOJBTEDSA-N (e)-1,3,3,3-tetrafluoroprop-1-ene Chemical compound F\C=C\C(F)(F)F CDOOAUSHHFGWSA-OWOJBTEDSA-N 0.000 description 5
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 5
- 239000001282 iso-butane Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- JIRHAGAOHOYLNO-UHFFFAOYSA-N (3-cyclopentyloxy-4-methoxyphenyl)methanol Chemical compound COC1=CC=C(CO)C=C1OC1CCCC1 JIRHAGAOHOYLNO-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000004202 carbamide Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 125000001153 fluoro group Chemical group F* 0.000 description 4
- 238000009415 formwork Methods 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000011342 resin composition Substances 0.000 description 4
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 150000008064 anhydrides Chemical class 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 239000004568 cement Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- SNMVRZFUUCLYTO-UHFFFAOYSA-N n-propyl chloride Chemical compound CCCCl SNMVRZFUUCLYTO-UHFFFAOYSA-N 0.000 description 3
- 210000004940 nucleus Anatomy 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000011134 resol-type phenolic resin Substances 0.000 description 3
- 239000008259 solid foam Substances 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 2
- HNRMPXKDFBEGFZ-UHFFFAOYSA-N 2,2-dimethylbutane Chemical compound CCC(C)(C)C HNRMPXKDFBEGFZ-UHFFFAOYSA-N 0.000 description 2
- FXRLMCRCYDHQFW-UHFFFAOYSA-N 2,3,3,3-tetrafluoropropene Chemical compound FC(=C)C(F)(F)F FXRLMCRCYDHQFW-UHFFFAOYSA-N 0.000 description 2
- ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 2,3-dimethylbutane Chemical compound CC(C)C(C)C ZFFMLCVRJBZUDZ-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- OQISUJXQFPPARX-UHFFFAOYSA-N 2-chloro-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)C(Cl)=C OQISUJXQFPPARX-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PMPVIKIVABFJJI-UHFFFAOYSA-N Cyclobutane Chemical compound C1CCC1 PMPVIKIVABFJJI-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 229920005682 EO-PO block copolymer Polymers 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N Furaldehyde Natural products O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 229920001774 Perfluoroether Polymers 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
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- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 235000010724 Wisteria floribunda Nutrition 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000005215 alkyl ethers Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
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- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
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- 229910052918 calcium silicate Inorganic materials 0.000 description 2
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
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- ULYZAYCEDJDHCC-UHFFFAOYSA-N isopropyl chloride Chemical compound CC(C)Cl ULYZAYCEDJDHCC-UHFFFAOYSA-N 0.000 description 2
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- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-methyl-PhOH Natural products CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
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- QWVGKYWNOKOFNN-UHFFFAOYSA-N o-methyl phenol Natural products CC1=CC=CC=C1O QWVGKYWNOKOFNN-UHFFFAOYSA-N 0.000 description 2
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- 125000004430 oxygen atom Chemical group O* 0.000 description 2
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- 238000012360 testing method Methods 0.000 description 2
- CZGWDPMDAIPURF-UHFFFAOYSA-N (4,6-dihydrazinyl-1,3,5-triazin-2-yl)hydrazine Chemical compound NNC1=NC(NN)=NC(NN)=N1 CZGWDPMDAIPURF-UHFFFAOYSA-N 0.000 description 1
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- QSSVZVNYQIGOJR-UHFFFAOYSA-N 1,1,2-trichloro-3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)C(Cl)=C(Cl)Cl QSSVZVNYQIGOJR-UHFFFAOYSA-N 0.000 description 1
- QAERDLQYXMEHEB-UHFFFAOYSA-N 1,1,3,3,3-pentafluoroprop-1-ene Chemical compound FC(F)=CC(F)(F)F QAERDLQYXMEHEB-UHFFFAOYSA-N 0.000 description 1
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 1
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- FGUQBEGFRUTZFO-UHFFFAOYSA-N 1-chloro-1,2,3-trifluoroprop-1-ene Chemical compound FCC(F)=C(F)Cl FGUQBEGFRUTZFO-UHFFFAOYSA-N 0.000 description 1
- SEXCLMKCCLUUKC-UHFFFAOYSA-N 1-chloro-1,3,3-trifluoroprop-1-ene Chemical compound FC(F)C=C(F)Cl SEXCLMKCCLUUKC-UHFFFAOYSA-N 0.000 description 1
- USCSECLOSDIOTA-UHFFFAOYSA-N 1-chloro-2,3,3-trifluoroprop-1-ene Chemical compound FC(F)C(F)=CCl USCSECLOSDIOTA-UHFFFAOYSA-N 0.000 description 1
- CZHLPWNZCJEPJB-UHFFFAOYSA-N 1-chloro-3-methylbutane Chemical compound CC(C)CCCl CZHLPWNZCJEPJB-UHFFFAOYSA-N 0.000 description 1
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- IAPGBTZUBKUKOR-UHFFFAOYSA-N 2,3-dichloro-3,3-difluoroprop-1-ene Chemical compound FC(F)(Cl)C(Cl)=C IAPGBTZUBKUKOR-UHFFFAOYSA-N 0.000 description 1
- IXQGCWUGDFDQMF-UHFFFAOYSA-N 2-Ethylphenol Chemical class CCC1=CC=CC=C1O IXQGCWUGDFDQMF-UHFFFAOYSA-N 0.000 description 1
- LBLYYCQCTBFVLH-UHFFFAOYSA-N 2-Methylbenzenesulfonic acid Chemical compound CC1=CC=CC=C1S(O)(=O)=O LBLYYCQCTBFVLH-UHFFFAOYSA-N 0.000 description 1
- UZTWWVBZLLQHRB-UHFFFAOYSA-N 2-chloro-1,1,3-trifluoroprop-1-ene Chemical compound FCC(Cl)=C(F)F UZTWWVBZLLQHRB-UHFFFAOYSA-N 0.000 description 1
- IEFKUHVUFVKRMJ-UHFFFAOYSA-N 2-chloro-1,3,3-trifluoroprop-1-ene Chemical compound ClC(=CF)C(F)F IEFKUHVUFVKRMJ-UHFFFAOYSA-N 0.000 description 1
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 description 1
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 description 1
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- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 description 1
- FDMFUZHCIRHGRG-UHFFFAOYSA-N 3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)C=C FDMFUZHCIRHGRG-UHFFFAOYSA-N 0.000 description 1
- FFIDRWZHRKKSAS-UHFFFAOYSA-N 3-chloro-1,1,3-trifluoroprop-1-ene Chemical compound FC(Cl)C=C(F)F FFIDRWZHRKKSAS-UHFFFAOYSA-N 0.000 description 1
- UAHVVXPNJLRMPX-UHFFFAOYSA-N 3-chloro-1,2,3-trifluoroprop-1-ene Chemical compound FC=C(F)C(F)Cl UAHVVXPNJLRMPX-UHFFFAOYSA-N 0.000 description 1
- VTOPKRLXDFCFGJ-UHFFFAOYSA-N 3-chloro-2,3,3-trifluoroprop-1-ene Chemical compound FC(=C)C(F)(F)Cl VTOPKRLXDFCFGJ-UHFFFAOYSA-N 0.000 description 1
- NBOCQTNZUPTTEI-UHFFFAOYSA-N 4-[4-(hydrazinesulfonyl)phenoxy]benzenesulfonohydrazide Chemical compound C1=CC(S(=O)(=O)NN)=CC=C1OC1=CC=C(S(=O)(=O)NN)C=C1 NBOCQTNZUPTTEI-UHFFFAOYSA-N 0.000 description 1
- QHPQWRBYOIRBIT-UHFFFAOYSA-N 4-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C=C1 QHPQWRBYOIRBIT-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- MWRWFPQBGSZWNV-UHFFFAOYSA-N Dinitrosopentamethylenetetramine Chemical compound C1N2CN(N=O)CN1CN(N=O)C2 MWRWFPQBGSZWNV-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 229930040373 Paraformaldehyde Natural products 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229940053991 aldehydes and derivative Drugs 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001345 alkine derivatives Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 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
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 235000013844 butane Nutrition 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 210000003855 cell nucleus Anatomy 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- FSBVERYRVPGNGG-UHFFFAOYSA-N dimagnesium dioxido-bis[[oxido(oxo)silyl]oxy]silane hydrate Chemical compound O.[Mg+2].[Mg+2].[O-][Si](=O)O[Si]([O-])([O-])O[Si]([O-])=O FSBVERYRVPGNGG-UHFFFAOYSA-N 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011094 fiberboard Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- QTBFPMKWQKYFLR-UHFFFAOYSA-N isobutyl chloride Chemical compound CC(C)CCl QTBFPMKWQKYFLR-UHFFFAOYSA-N 0.000 description 1
- 238000005304 joining Methods 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
- 239000002655 kraft paper Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 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
- 239000000391 magnesium silicate Substances 0.000 description 1
- 229910052919 magnesium silicate Inorganic materials 0.000 description 1
- 235000019792 magnesium silicate Nutrition 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- SNQQPOLDUKLAAF-UHFFFAOYSA-N nonylphenol Chemical compound CCCCCCCCCC1=CC=CC=C1O SNQQPOLDUKLAAF-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- BVJSUAQZOZWCKN-UHFFFAOYSA-N p-hydroxybenzyl alcohol Chemical compound OCC1=CC=C(O)C=C1 BVJSUAQZOZWCKN-UHFFFAOYSA-N 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 229920002866 paraformaldehyde Polymers 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- HFFLGKNGCAIQMO-UHFFFAOYSA-N trichloroacetaldehyde Chemical compound ClC(Cl)(Cl)C=O HFFLGKNGCAIQMO-UHFFFAOYSA-N 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000005335 volcanic glass Substances 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 150000003739 xylenols Chemical class 0.000 description 1
Classifications
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- 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
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
-
- 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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/10—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
Definitions
- the present invention relates to a phenolic resin foam and a laminate thereof.
- foamed plastic insulation materials contain gas with low thermal conductivity within the bubbles, and exhibit even higher insulation performance, making them ideal for exterior wall materials such as metal siding, and partition panels. It is widely used in building materials such as ceiling materials, fire doors, and storm shutters, as well as wall materials without .
- Phenol resin foam is a typical example of a foam with high heat insulation performance. In order to improve the heat insulation performance, attempts have been made to reduce the cell diameter of foams in addition to using gases with low thermal conductivity.
- Patent Document 1 discloses that a phenolic resin foam with high heat insulation performance can be obtained by adding fluoroether, which has the effect of reducing the cell diameter, and reducing the cell diameter of the phenolic resin foam. Further, Patent Document 2 discloses that by adding a powdery solidified phenol resin, the cell diameter of a phenol resin foam can be reduced and high heat insulation can be achieved.
- Galden which is listed as an example of fluoroether in Patent Document 1
- GWP global warming potential
- the effect of reducing the cell diameter is limited only when the blowing agent is a hydrocarbon, and no adaptation has been made to the case where a hydrofluoroolefin with low thermal conductivity is used as the blowing agent.
- Patent Document 2 is a technology that reduces the bubble diameter even when hydrofluoroolefins are used as a blowing agent, the thermal conductivity of the solid increases as more powdered phenol resin solidified material is added. It is hard to say that this is a preferable method for lowering the . Moreover, if the powdery phenol resin solidified product is added in a large amount, it tends to stay in the pipes, which may clog the pipes and reduce productivity. Furthermore, the powdered solidified phenol resin requires equipment for kneading the powder into resin in addition to equipment for producing the powder, which requires a large investment in equipment.
- the present inventors believe that there are three main ways to improve the heat insulation performance of resin foam, that is, to reduce the thermal conductivity.
- the first is to ⁇ use a gas with low thermal conductivity
- the second is to ⁇ reduce the cell diameter of the foam
- the third is to ⁇ reduce the density of the foam.'' It is.
- "lowering the density” it is not a practical solution because lowering the density makes it impossible to maintain the closed cell ratio of the resin foam, and furthermore, it has negative effects such as a decline in mechanical properties. I don't get it.
- the first method is generally being actively investigated.
- CFCs and HFCs with low thermal conductivity were widely used in the past.
- their use is regulated due to their high ozone depletion potential (ODP), and currently, hydrofluoroolefins, which have similar excellent thermal conductivity, ODP of 0, and low GWP, are the mainstream.
- ODP ozone depletion potential
- hydrofluoroolefins which have similar excellent thermal conductivity, ODP of 0, and low GWP
- This second perspective is specifically based on the following ideas. That is, first of all, it is important to create as many cell nuclei as possible in the resin composition. Secondly, it is important to allow the generated bubbles to grow stably while not causing them to burst, and by achieving both of these, it is possible to realize the miniaturization of the bubbles. The finer the bubble diameter is, the more it is possible to suppress the radiant heat conduction of the foam. Therefore, making the bubble diameter smaller is the second most important factor for thermal conductivity after using a gas with low thermal conductivity. This can be said to be a major contributing factor.
- the present inventors have conducted extensive studies to solve the above problems, and have found that by adding a specific hydrofluoroether to a phenolic resin composition, the cell diameter of the phenolic resin foam can be made finer.
- a technology that can reduce thermal conductivity when using blowing agents That is, the present invention is as follows.
- the hydrofluoroether represented by (Formula 1) is methyl perfluoropropyl ether, methyl nonafluorobutyl ether, methyl nonafluoroisobutyl ether, ethyl nonafluorobutyl ether, ethyl nonafluoroisobutyl ether, 1,1,1,2,2 , 3,4,5,5,5-de
- the phenolic resin foam and its laminate according to the present invention can make the cell diameter of the phenolic resin foam finer. Since cell size contributes to reducing thermal conductivity, the use of each blowing agent can reduce thermal conductivity. In addition, this is an improvement especially in cases where there are appearance defects such as voids or uneven color of the foam, or low compressive strength when no hydrofluoroether is added. Furthermore, since the GWP of the raw material is small, it is possible to provide an environmentally friendly foam with a small environmental impact.
- this embodiment a mode for carrying out the present invention (hereinafter referred to as "this embodiment") will be described in detail.
- a product obtained by adding a surfactant to a "phenol resin” is referred to as a "phenol resin composition”
- a "phenol resin composition” includes a hydrofluoroether, a foaming agent, a foaming nucleating agent, and the like.
- a composition to which an acidic curing agent or the like is added to impart foamability or both foamability and curability is referred to as a "foamable phenol resin composition.”
- the obtained foam is referred to as a "phenol resin foam.”
- the phenolic resin foam of this embodiment is manufactured from a phenolic resin composition containing a hydrofluoroether, a blowing agent, and an acidic curing agent.
- the hydrofluoroether contained in the phenolic resin foam of this embodiment is represented by (Formula 2).
- this hydrofluoroether By adding this hydrofluoroether to a phenol resin or a phenol resin composition, the effect of reducing the cell diameter of the phenol resin foam can be obtained.
- the content is 0.03% to 4.3% by mass, preferably 0.1% to 3.8% by mass, more preferably 0.3% by mass based on the phenolic resin foam. 3.3% by weight, most preferably 0.5% to 3.3% by weight.
- This hydrofluoroether may be a combination of two or more types of molecules corresponding to Formula 2. When the content of hydrofluoroether is 0.03% by mass or more, the thermal conductivity tends to be low.
- the thermal conductivity will decrease due to an increase in the amount of hydrofluoroether that liquefies in the foam. There is little concern that the size will increase or the rigidity of the phenol resin will decrease.
- the type of hydrofluoroether and the phase with the phenolic resin are adjusted.
- the amount of hydrofluoroether added to 100 parts by mass of the phenolic resin composition is 0.1 parts by mass to 6.8 parts by mass. It is preferable that there be.
- Hydrofluoroether is thought to form bubble nuclei by itself in the phenolic resin, and as it increases the number of bubbles in the foamable phenolic resin composition, it reduces the average cell diameter of the phenolic resin foam and suppresses radiant heat conduction. , is thought to have the effect of lowering the thermal conductivity of the phenolic resin foam.
- the order in which the phenolic resin composition, blowing agent, and hydrofluoroether are mixed is not particularly limited, but the hydrofluoroether may be kneaded with the phenol resin composition before the blowing agent is kneaded, or the hydrofluoroether may be mixed with the hydrofluoroether. It is more preferable to simultaneously knead the agent into the phenolic resin composition.
- the hydrofluoroether When the hydrofluoroether is kneaded into the phenolic resin composition after the blowing agent, or when a premixed mixture of the hydrofluoroether and the blowing agent is kneaded into the phenolic resin composition, the hydrofluoroether self-builds bubbles. However, there is a risk that it will adsorb to the bubbles that are already in the growth process and inhibit the growth of the bubbles. There is a concern that this may reduce the closed cell ratio.
- the kneading method is not particularly limited as long as the hydrofluoroether can be uniformly dispersed in the phenol resin or phenol resin composition.
- hydrofluoroether has an oxygen atom and an alkyl group in its molecule, so it has a shorter atmospheric lifetime than perfluoroalkanes, so it has the advantage of having a relatively small global warming potential and a small environmental burden. Furthermore, since the presence of oxygen atoms in the molecule increases compatibility with phenolic resin, it is thought that the dispersibility of hydrofluoroether in phenolic resin increases and has the effect of promoting the formation of fine bubble nuclei. It will be done. On the other hand, molecular chains consisting only of carbon and fluorine in hydrofluoroethers tend to have longer atmospheric lifetimes and have a higher GWP. is preferably not long. Moreover, since hydrofluoroether is a flame-retardant substance, it is thought that the higher the content in the phenol resin foam, the more difficult the phenol resin foam becomes to burn.
- the hydrofluoroether of (Formula 2) needs to be an ether of a group represented by C a H b F c and a group represented by C x H y F z .
- the number of carbon atoms, ie, the value of a, in the group represented by C a H b F c must be 2 to 7, preferably 2 to 6, from the viewpoint of the boiling point of the hydrofluoroether.
- the group represented by C a H b F c is a hydrocarbon group in which some or all of the hydrogens are substituted with fluorine, and preferably has a small number of hydrogen atoms, and the value of b is 0 to 3. 0 or 1 is preferred, and 0 is particularly preferred.
- the number of carbon atoms, ie, the value of x, in the group represented by C x H y F z must be from 1 to 3, preferably from 1 to 2, from the viewpoint of the boiling point of the hydrofluoroether.
- the group represented by C x H y F z is a hydrocarbon group or a group in which part of the hydrocarbon is substituted with fluorine, preferably one with a small number of fluorine atoms, and the value of z is 0 to 3. is preferred.
- the hydrofluoroether of (Formula 2) has a group represented by C a H b F c with a small number of hydrogen atoms and a C x H y F z group with a small number of fluorine atoms, so that it can be easily absorbed in the resin. It is thought that this increases the dispersibility of hydrofluoroether and promotes the formation of fine bubble nuclei. Furthermore, it is preferable that a ⁇ x, and more preferably that a>x.
- Hydrofluoroethers of formula 2 preferably used in the present invention include methyl perfluoropropyl ether, methyl nonafluorobutyl ether, methyl nonafluoroisobutyl ether, ethyl nonafluorobutyl ether, ethyl nonafluoroisobutyl ether, 1,1,1 , 2,2,3,4,5,5,5-decafluoro-3-methoxy-4-(trifluoromethyl)-pentane, 1,1,2,2-tetrafluoroethyl-2,2,2- Trifluoroethyl ether is mentioned. These hydrofluoroethers may be used alone or in combination of two or more.
- the phenolic resin foam according to the present invention tends to have improved compressive strength compared to the phenolic resin foam to which no hydrofluoroether is added. This is because the addition of hydrofluoroether reduces the cell diameter, which increases the number of cell walls lined up in the compression direction compared to a phenolic resin foam that does not contain hydrofluoroether, which increases the opposing force. This is due to the reduction of voids that serve as starting points for
- the appearance is improved compared to a phenolic resin foam to which no hydrofluoroether is added. This is because adding hydrofluoroether not only reduces the cell diameter, but also reduces the incidence of voids and tends to make the cell diameter uniform in the thickness direction, eliminating uneven color of the foam. It's for a reason.
- the average cell diameter of the phenolic resin foam in the present invention is preferably 70 ⁇ m or more and 180 ⁇ m or less, more preferably 70 ⁇ m or more and 170 ⁇ m or less, even more preferably 70 ⁇ m or more and 150 ⁇ m or less, and most preferably 70 ⁇ m or more and 135 ⁇ m or less.
- the average cell diameter is 70 ⁇ m or more, it is possible to suppress an increase in thermal conductivity due to heat conduction of the phenol resin portion, which increases as the cell diameter becomes smaller.
- the bubble diameter is 180 ⁇ m or less, heat conduction by radiation is small, and an increase in thermal conductivity can be suppressed.
- the average cell diameter of the phenolic resin foam is determined by, for example, the amount of hydrofluoroether added, the amount of solid foam nucleating agent added, the temperature of the foamable phenolic resin composition, and the amount of the mixed foamable phenolic resin composition added to the lower surface material.
- the desired value can be adjusted by changing the timing of preforming in the upward discharge step, the amount of foaming agent added, the amount of acidic curing agent added, and curing conditions such as temperature and residence time.
- the phenolic resin foam of the present invention can use hydrofluoroolefins, hydrocarbons, and chlorinated hydrocarbons as blowing agents singly or in combination of two or more of these.
- Hydrofluoroolefins generally have low thermal conductivity, and when used as a blowing agent, are preferred because they yield phenolic resin foams with low thermal conductivity.
- Hydrofluoroolefins include chlorinated hydrofluoroolefins and non-chlorinated hydrofluoroolefins. In the present invention, chlorinated hydrofluoroolefins and non-chlorinated hydrofluoroolefins can also be used in combination.
- chlorinated hydrofluoroolefins examples include (Z)-1-Chloro-2,3,3,3-Tetrafluoropropene (HCFO-1224yd(Z)), 1-chloro-3,3,3-trifluoropropene (HCFO- 1233zd, for example, E form (HCFO-1233zd(E)), manufactured by Honeywell Japan Co., Ltd., product name: Solstice (trademark) LBA), 1,1,2-trichloro-3,3,3-trifluoropropene (HCFO-1213xa), 1,2-dichloro-3,3,3-trifluoropropene (HCFO-1223xd), 1,1-dichloro-3,3,3-trifluoropropene (HCFO-1223za), 1- Chloro-1,3,3,3-tetrafluoropropene (HCFO-1224zb), 2,3,3-trichloro-3-fluoropropene (HCFO-1231xf), 2,3-dichloro-3,3
- Non-chlorinated hydrofluoroolefins include 1,3,3,3-tetrafluoroprop-1-ene (HFO-1234ze, for example, E form (HFO-1234ze (E)), manufactured by Honeywell Japan Co., Ltd.; Product name: Solstice (trademark) ze), 1,1,1,4,4,4-hexafluoro-2-butene (HFO-1336mzz, e.g.
- HFO-1336mzz Z-form (HFO-1336mzz (Z)), Chemours Stock Opteon (trademark) 1100), 2,3,3,3-tetrafluoro-1-propene (HFO-1234yf), 1,1,3,3,3-pentafluoropropene (HFO-1225zc), 1 , 3,3,3-tetrafluoropropene (HFO-1234ze), 3,3,3-trifluoropropene (HFO-1243zf), 1,1,1,4,4,5,5,5-octafluoro- Examples include 2-pentene (HFO-1438mzz), and one or a mixture of these configurational isomers, ie, E form or Z form, is used. In the present invention, two or more of these non-chlorinated hydrofluoroolefins may be used in combination.
- hydrocarbon cyclic or chain alkanes, alkenes, and alkynes having 3 to 7 carbon atoms are preferable, and specifically, normal butane, isobutane, cyclobutane, normal pentane, isopentane, cyclopentane, neopentane, normal hexane, Examples include isohexane, 2,2-dimethylbutane, 2,3-dimethylbutane, cyclohexane, and the like.
- pentanes such as normal pentane, isopentane, cyclopentane, and neopentane
- butanes such as normal butane, isobutane, and cyclobutane
- two or more of these hydrocarbons may be used in combination.
- mixtures include normal pentane and normal butane, isobutane and isopentane, normal butane and isopentane, isobutane and normal pentane, cyclopentane and normal butane, cyclopentane and isobutane, and the like.
- chlorinated hydrocarbon linear or branched chlorinated aliphatic hydrocarbons having 2 to 5 carbon atoms can be preferably used.
- the number of bonded chlorine atoms is preferably 1 to 4, and examples thereof include dichloroethane, propyl chloride, 2-chloropropane, butyl chloride, isobutyl chloride, pentyl chloride, and isopentyl chloride.
- propyl chloride and 2-chloropropane which are chloropropanes, are more preferably used.
- two or more of these chlorinated hydrocarbons may be used in combination.
- blowing agents are not particularly limited, and include, for example, sodium hydrogen carbonate, sodium carbonate, calcium carbonate, magnesium carbonate, azodicarboxylic acid amide, azobisisobutyronitrile, barium azodicarboxylate, N,N' -Chemical blowing agents such as dinitrosopentamethylenetetramine, p,p'-oxybisbenzenesulfonylhydrazide, and trihydrazinotriazine, and the like. These blowing agents may be used alone or in combination of two or more.
- the amount of blowing agent in the phenolic resin composition varies depending on the type of blowing agent, the compatibility of the blowing agent with the phenolic resin, temperature, and conditions for foaming and curing such as residence time. Therefore, it may be determined arbitrarily depending on the density of the desired phenolic resin foam, foaming conditions, etc., but it is preferably 3.0 to 20 parts by mass, more preferably 4 parts by mass, based on 100 parts by mass of the phenolic resin composition. 0 to 18 parts by weight, more preferably 5.0 to 16 parts by weight, and most preferably 6.0 to 15 parts by weight. When the amount of the blowing agent per 100 parts by mass of the phenol resin composition is 3.0 parts by mass or more, high density of the resin foam can be suppressed.
- the amount of the blowing agent per 100 parts by mass of the phenolic resin composition is 20 parts by mass or less, the phenol resin foam will have a low density, resulting in a decrease in mechanical strength such as compressive strength and damage to the cell walls. It becomes easier to suppress the decrease in the closed cell ratio due to the increase in the thermal conductivity, and it is possible to suppress the increase in thermal conductivity.
- a foam nucleating agent may be used in the production of the phenolic resin foam.
- a gaseous foaming nucleating agent such as a low boiling point substance having a boiling point 50° C. or more lower than that of the foaming agent, such as nitrogen, helium, or argon, can be added.
- Solid foam nucleating agents such as gypsum powder, borax, slag powder, inorganic powders such as alumina cement and portland cement, and organic powders such as ground powder of phenolic resin foam can also be added. These may be used alone or in combination of two or more types, regardless of whether they are gas or solid.
- the timing of adding the foaming nucleating agent can be arbitrarily determined as long as it is supplied into the mixer that mixes the phenolic resin composition.
- the amount of the solid foaming nucleating agent added is preferably 3.0% by mass or more and 10.0% by mass or less, and 3.0% by mass or more and 8.0% by mass, based on 100 parts by mass of the phenolic resin composition. It is more preferable that it is below.
- the amount of the solid foam nucleating agent added is 3.0% by mass or more, it becomes easier to suppress seepage of the foamable phenolic resin composition from the surface material. Further, by setting the amount of the solid foaming nucleating agent to be 10.0% by mass or less, it becomes easier to suppress the dispersion of the foaming agent having a low boiling point.
- the density of the phenolic resin foam of the present invention may be adjusted to a desired density depending on the intended use of the foam, but is preferably 10 kg/m 3 or more and 70 kg/m 3 or less, more preferably 20 kg/m 3 It is not less than 55 kg/m 3 , more preferably not less than 22 kg/m 3 and not more than 50 kg/m 3 , and most preferably not less than 24 kg/m 3 and not more than 45 kg/m 3 .
- the density is 10 kg/m 3 or more, the decrease in mechanical strength such as compressive strength, which tends to occur due to the low density, and the decrease in surface brittleness are small, and it is possible to maintain a strength that does not pose any practical problems.
- the density of the phenolic resin foam can be determined by adjusting the filling ratio of the blowing agent into the phenol resin foam, and mainly depends on the amount of blowing agent added to the phenol resin composition, the temperature of the expandable phenol resin composition, The desired value can be achieved by changing the timing of preforming in the process of discharging the mixed foamable phenolic resin composition, the amount of foaming nucleating agent added, the amount of acidic curing agent added, and curing conditions such as temperature and residence time. It can be adjusted to
- the phenolic resin foam of the present invention preferably has a closed cell ratio of 80% or more, more preferably 85% or more, still more preferably 90% or more, and most preferably 92% or more.
- the closed cell ratio is 80% or more, it is possible to suppress an increase in thermal conductivity due to air replacing the blowing agent in the phenolic resin foam. This effect is greater as the closed cell ratio is higher.
- the closed cell ratio of the phenolic resin foam can be adjusted to a desired value by, for example, changing the amount of the foaming nucleating agent, the amount of the foaming agent, and the amount of the acidic curing agent.
- the phenolic resin foam in this embodiment has a thermal conductivity at 23°C of preferably 0.0211 W/(m ⁇ K) or less, more preferably 0.0200 W/(m ⁇ K) or less, and even more preferably is 0.0180 W/(m ⁇ K) or less, most preferably 0.0175 W/(m ⁇ K) or less.
- the void ratio of the phenolic resin foam of this embodiment is preferably 0.5% or less.
- the void ratio can be adjusted by adjusting the amount of hydrofluoroether and curing conditions such as temperature and residence time.
- the void ratio is determined by cutting a cross section parallel to the thickness direction of the resin foam and measuring the voids present in the cross section using the method described below . is defined as a void, and the value obtained by dividing the total area of all voids on the cross-sectional area by the cross-sectional area is defined as the void ratio.
- the phenol resin foam laminate in this embodiment is a laminate that includes a surface material on at least one of one surface of the phenol resin foam and the back surface of the one surface.
- the "thickness direction" in this embodiment refers to the dimension of the shortest side among the three sides of the phenolic resin foam laminate, and normally, when manufacturing the phenolic resin foam laminate, the foaming property on the lower surface material is This is the direction in which the phenol resin composition foams and grows.
- the phenolic resin foam laminate can be used alone or in various applications by joining it with an external member.
- external members include board-like materials and sheet-like/film-like materials and combinations thereof.
- Board-like materials include ordinary plywood, structural plywood, particle board, and wood boards such as OSB, wood wool cement board, wood chip cement board, gypsum board, flexible board, medium density fiberboard, calcium silicate board, and silicone board.
- Suitable materials include acid magnesium plates and volcanic glass multilayer plates.
- sheet-like and film-like materials include polyester nonwoven fabric, polypropylene nonwoven fabric, mineral-filled glass fiber nonwoven fabric, glass fiber nonwoven fabric, paper, calcium carbonate paper, polyethylene processed paper, polyethylene film, plastic moisture-proof film, asphalt waterproof paper, and Aluminum foil (with or without holes) is preferable.
- phenol resin a resol type phenol resin synthesized from an alkali metal hydroxide or an alkaline earth metal hydroxide is used.
- Resol type phenolic resin is synthesized by heating phenols and aldehydes as raw materials in a temperature range of 40 to 100°C using an alkali catalyst.
- additives such as urea may be added during or after the synthesis of the resol type phenolic resin, if necessary. When adding urea, it is more preferable to mix urea that has been methylolated with an alkali catalyst in advance with the resol type phenol resin.
- phenolic resins include aliphatic hydrocarbons, high-boiling alicyclic hydrocarbons, or mixtures thereof, diluents for viscosity adjustment such as ethylene glycol and diethylene glycol, and other additives such as dicyandiamide and melamine as necessary. It is also possible to add additives such as.
- the starting molar ratio of phenols to aldehydes during the synthesis of phenolic resins is preferably within the range of 1:1 to 1:4.5, more preferably within the range of 1:1.5 to 1:2.5. It is.
- the phenols preferably used in the synthesis of phenolic resin in this embodiment are phenol itself and other phenols.
- examples of other phenols include resorcinol, catechol, o-, m- and p-cresol, xylenols, ethylphenols, and p-tertbutylphenol.
- dinuclear phenols can also be used.
- the aldehydes may be any compound that can serve as an aldehyde source, and as the aldehydes, it is preferable to use formaldehyde itself, paraformaldehyde which can be used by depolymerizing, and other aldehydes and derivatives thereof.
- formaldehyde itself, paraformaldehyde which can be used by depolymerizing, and other aldehydes and derivatives thereof.
- aldehydes include glyoxal, acetaldehyde, chloral, furfural, and benzaldehyde.
- the mass average molecular weight of the phenol resin is preferably 300 or more, more preferably 400 or more, and even more preferably 450 or more.
- the mass average molecular weight is preferably 2,500 or less, more preferably 2,200 or less, even more preferably 2,050 or less, and most preferably 1,900 or less.
- the mass average molecular weight of the phenol resin can be measured using the method described in the Examples of this specification.
- the viscosity of the phenol resin composition at 40° C. is preferably 5,000 mPa ⁇ s or more and 100,000 mPa ⁇ s or less, more preferably 7,000 mPa ⁇ s or more and 50,000 mPa ⁇ s or less, and even more preferably 9 ,000 mPa ⁇ s or more and 40,000 mPa ⁇ s or less. Further, the water content of the phenol resin and the phenol resin composition is preferably 1.5% by mass or more and 20% by mass or less.
- the surfactant, hydrofluoroether, foaming agent, and foam nucleating agent may be added to the phenolic resin composition in advance, or may be added at the same time as the acidic curing agent. However, it is preferable to add the hydrofluoroether before or at the same time as the blowing agent.
- nonionic surfactants are particularly effective; for example, alkylene which is a copolymer of ethylene oxide and propylene oxide oxides, condensates of alkylene oxides and castor oil, condensation products of alkylene oxides and alkylphenols such as nonylphenol and dodecylphenol, polyoxyethylene alkyl ethers whose alkyl ether moiety has 14 to 22 carbon atoms, Furthermore, fatty acid esters such as polyoxyethylene fatty acid ester, silicone compounds such as polydimethylsiloxane, and polyalcohols are more preferable. These surfactants may be used alone or in combination of two or more. There is no particular restriction on the amount used, but it is preferably used in a range of 0.3 parts by mass or more and 10 parts by mass or less per 100 parts by mass of the phenol resin.
- the acidic curing agent may be any acidic curing agent that can cure the phenolic resin composition, and contains an organic acid as an acid component.
- organic acid arylsulfonic acids or anhydrides thereof are preferred.
- Arylsulfonic acids and their anhydrides include toluenesulfonic acid, xylenesulfonic acid, phenolsulfonic acid, substituted phenolsulfonic acid, xylenolsulfonic acid, substituted xylenolsulfonic acid, dodecylbenzenesulfonic acid, benzenesulfonic acid, naphthalenesulfonic acid, etc.
- resorcinol, cresol, saligenin (o-methylolphenol), p-methylolphenol, and the like may be added as curing aids.
- these acidic curing agents may be diluted with solvents such as ethylene glycol and diethylene glycol.
- the amount of the acidic curing agent used varies depending on the type thereof, and when using a mixture of 80% by mass of xylene sulfonic acid and 20% by mass of diethylene glycol, it is preferably 6 parts by mass based on 100 parts by mass of the phenolic resin composition.
- the amount used is 20 parts by mass or less, more preferably 8 parts by mass or more and 15 parts by mass or less, and most preferably 11 parts by mass or more and 13 parts by mass or less.
- a flexible surface material (flexible surface material) is used as the surface material disposed on at least one of one surface and the back surface of the one surface of the phenolic resin foam.
- Flexible surface materials used include nonwoven or woven fabrics whose main components are polyester, polypropylene, nylon, etc., kraft paper, glass fiber mixed paper, calcium hydroxide paper, aluminum hydroxide paper, and magnesium silicate paper. Papers such as , and nonwoven fabrics made of inorganic fibers such as glass fiber nonwoven fabrics are preferred, and these may be used in combination (or in a layered manner). In the case where the surface material is peeled off from the obtained phenol resin foam laminate and only the base material is used, inexpensive paper that can be discarded after peeling is preferable. These facing materials are usually provided in roll form.
- the flexible surface material one kneaded with additives such as flame retardants may be used.
- additives such as flame retardants
- the method of adhering the surface material and the phenolic resin foam is not particularly limited, and adhesives such as epoxy resin may be used, but from the viewpoint of manufacturing cost and prevention of complication of the manufacturing process, It is preferable that the adhesive force is solely due to the adhesive force when the foamable phenol resin composition is thermally cured on the surface of the surface material.
- the method for manufacturing the phenolic resin foam laminate includes a mixing step of mixing the above-mentioned foamable phenolic resin composition in a mixer, and a discharging step of discharging the mixed foamable phenolic resin composition onto the lower surface material.
- a continuous manufacturing method is used, which includes a foam laminate manufacturing process for manufacturing a phenolic resin foam laminate from a foamable phenolic resin composition discharged onto the lower surface material. It is also possible to adopt a batch method using a mold that performs each step in stages.
- the phenolic resin composition discharged onto the lower surface material is coated with the upper surface material, and then preformed so as to be evenly distributed from above and below while foaming and curing. This is then formed into a plate shape.
- methods for preforming and main forming include methods that use a slat-type double conveyor, methods that use metal rolls or steel plates, and methods that use a combination of these, depending on the manufacturing purpose. There are various methods depending on the situation.
- the foamable phenolic resin composition coated with the upper and lower surface materials is continuously guided into the slat-type double conveyor, and then heated while By applying pressure from above and below, the material can be foamed and cured to form a plate while adjusting the thickness to a predetermined value.
- the temperature of the foamable phenolic resin composition when discharged onto the lower surface material depends on the boiling point of the foaming agent, but is generally preferably 32°C or higher and 45°C or lower.
- the temperature of the foamable phenolic resin composition When the temperature of the foamable phenolic resin composition is 32°C or higher, the foamable phenolic resin composition tends to foam at an early stage, so that the seepage of the foamable phenolic resin composition from the lower surface material is suppressed. It becomes easier. On the other hand, if the temperature of the foamable phenolic resin composition is 45°C or lower, it will be easier to suppress the dissipation even when using a blowing agent with a low boiling point, resulting in a decrease in foaming efficiency and a decrease in thermal conductivity due to coarsening of the cell diameter. It becomes easier to prevent growth.
- the temperature of the foamable phenolic resin composition discharged onto the lower surface material can be controlled by adjusting the water temperature, flow rate, rotation speed, etc. of a mixer for mixing various compositions.
- the heating temperature control conditions for the step of preforming the foamable phenolic resin composition discharged onto the lower surface material while foaming and curing it from above the upper surface material be 30° C. or higher and 80° C. or lower.
- the temperature is 30° C. or higher, the effect of promoting foaming in the preforming step can be easily obtained, and curing can be promoted.
- the temperature is 80° C. or lower, the vicinity of the center in the thickness direction is less susceptible to internal heat generation, the temperature of the center is less likely to increase, and a decrease in the closed cell ratio can be suppressed.
- the heating temperature control conditions for the main forming step following the preforming step are preferably 65° C. or higher and 100° C. or lower.
- main forming can be performed using an endless steel belt type double conveyor, a slat type double conveyor, rolls, or the like.
- the residence time of this molding step is preferably 5 minutes or more and 2 hours or less, since this is the main step of performing foaming and curing reactions. Foaming and curing can be sufficiently promoted when the residence time is 5 minutes or more. When the residence time is within 2 hours, the production efficiency of the phenolic resin foam laminate can be improved. Note that when using a conveyor, it is desirable that the temperature difference between the upper and lower conveyors be less than 4°C.
- a post-curing step After heating and controlling the temperature through the preforming step and the temperature control section of the main forming step, a post-curing step is applied.
- the temperature of the post-curing step is preferably 90°C or higher and 120°C or lower.
- the temperature is 90°C or higher, moisture in the foam board is easily dissipated, and when the temperature is 120°C or lower, a decrease in the closed cell ratio of the product can be suppressed and a low thermal conductivity can be maintained for a long period of time.
- water in the foamable phenolic resin composition can be diffused after final molding.
- This reaction solution was concentrated at 60°C to obtain phenol resin A.
- the mass average molecular weight and viscosity at 40°C of phenol resin A were measured by the following methods, the mass average molecular weight was 1,300, and the viscosity at 40°C was 9,730 mPa ⁇ s.
- Measurement condition Measuring device: Shodex System21 (manufactured by Showa Denko K.K.) Column: Shodex Asahipak GF-310HQ (7.5mm I.D. x 30cm) Eluent: 0.1% by mass of lithium bromide was dissolved in N,N dimethylformamide (manufactured by Fuji Film Wako Pure Chemical Industries, Ltd., for high-performance liquid chromatography).
- Example 1 Ratio of 3.0 parts by mass of a composition containing 50% by mass of ethylene oxide-propylene oxide block copolymer and polyoxyethylene dodecyl phenyl ether as surfactants, based on 100 parts by mass of phenolic resin A. mixed with. This is used as a phenol resin composition.
- a foaming nucleating agent 4.0% by mass of phenolic resin foam powder was added to the phenolic resin composition containing the surfactant.
- the viscosity of the phenolic resin composition after kneading the phenolic resin foam powder at 40° C. was 22,000 mPa ⁇ s.
- the phenolic resin foam powder used here was a pulverized phenol resin foam (neoma foam manufactured by Asahi Kasei Kenzai Co., Ltd.) powder (average particle size was 28 ⁇ m and bulk density was 181 kg/m 3 ), and was kneaded with the phenol resin composition in a twin-screw extruder before adding the hydrofluoroether, blowing agent, and acidic curing agent. Thereafter, the hydrofluoroether, foaming agent, and acidic curing agent were mixed in a mixer, and the resulting foamable phenolic resin composition was distributed using a multiport distribution pipe and supplied onto the moving lower surface material.
- the mixer disclosed in FIG. 1 of JP-A No. 10-225993 was used.
- an inlet for a phenolic resin composition containing a solid foaming nucleating agent, an inlet for a hydrofluoroether, and an inlet for a blowing agent are arranged adjacently from top to bottom in order, and the rotor A mixer was used, which was equipped with an acid curing agent inlet on the side near the center of the stirring section.
- the part after the stirring part is connected to a nozzle for discharging the foamable phenolic resin composition. That is, the mixer consists of a mixing section (first stage) up to the acidic curing agent inlet, a mixing section (second stage) between the acidic curing agent inlet and the stirring end section, and a distributing section between the stirring end section and the nozzle.
- the distribution section has a plurality of nozzles at its tip and is designed to uniformly distribute the mixed foamable phenolic resin composition. Furthermore, the distribution section had a jacket type structure, which enabled sufficient heat exchange with temperature-controlled water, and the temperature of the temperature-controlled water in the distribution section was set at 17°C. Further, a thermocouple was installed at the discharge port of the multi-port distribution pipe so that the temperature of the foamable phenolic resin composition could be detected, and the rotation speed of the mixer was set at 500 rpm. At this time, the temperature of the foamable phenol resin composition discharged onto the lower surface material was 34°C.
- the foamable phenolic resin composition supplied onto the lower surface material was introduced into a preforming step whose temperature was controlled at 40° C., and after 30 seconds, preforming was performed from above the upper surface material using a free roller.
- the residence time in this step was 5 minutes. After that, it is sandwiched between two surface materials and introduced into a slat-type double conveyor heated to 69°C (main forming process), where it is cured for 15 minutes and then 9 minutes at 100°C. Thereafter, it was cured at 110° C. for 2 hours (post-curing step) to obtain a phenol resin foam laminate having a thickness of about 30 mm.
- polyester nonwoven fabric As a surface material, polyester nonwoven fabric (Asahi Kasei Corporation Eltas E05060, basis weight 60 g/m 2 ) was used for both the upper and lower surface materials. Such a manufacturing method is indicated as manufacturing method A in Table 2.
- Characteristic evaluation of the obtained phenolic resin foam and phenolic resin foam laminate (identification and content measurement of hydrofluoroether in the phenolic resin foam, identification of blowing agent species, measurement of average cell diameter, measurement of density, Measurement of thermal conductivity in a 23°C environment, measurement of compressive strength in the thickness direction, evaluation of color spots and void ratio, and measurement of closed cell ratio) were performed by the following methods.
- a 0.25 mg sample was cut out from near the center of the phenolic resin foam, placed in a special container, and 10 ml of chloroform and 12 crushed glass beads were added. After extracting components into chloroform while grinding the sample at 6000 rpm x 7 to 11 min with a homogenizer (IKA ULTRA-TURRAX Tube Drive), the extract was filtered with a 0.45 ⁇ m filter and subjected to GC/MS measurement. A standard sample solution with a known concentration was prepared by dissolving the target component for quantitative determination in chloroform, and subjected to GC/MS measurement under the same conditions as the sample.
- Hydrofluoroethers, hydrofluoroolefins, halogenated hydrocarbons, and hydrocarbons were identified from the retention times and mass spectra determined in advance. Separately, the detection sensitivity of each generated gas component was measured using a standard gas, and the content of each substance was calculated from the detection area area and detection sensitivity of each gas component obtained by GC/MS. The mass % of each blowing agent component was calculated from the hydrofluoroether content (mass % based on the phenol resin foam) and the blowing agent content and molar mass from the content of each identified gas component.
- the average bubble diameter was measured by the following method. Four photos were taken with a scanning electron microscope of the air bubbles at approximately the center in the thickness direction of the phenolic resin foam laminate, and at approximately the center between the center and the front and back surfaces, magnified 50 times. Draw four straight lines with a length of 90 mm (corresponding to 1,800 ⁇ m in the actual foam cross section) avoiding voids, and calculate the number of bubbles for each straight line based on the number of bubbles crossed by each straight line. , the value obtained by dividing 1,800 ⁇ m by their average value was defined as the average bubble diameter.
- a phenol resin foam laminate was cut into 300 mm square pieces, and the specimens were placed in an atmosphere of 23 ⁇ 1°C and humidity of 50 ⁇ 2%. Thereafter, the change in weight over time was measured every 24 hours, and the condition was checked and adjusted until the weight change after 24 hours was 0.2% by mass or less.
- the conditioned phenolic resin foam laminate specimen was introduced into the thermal conductivity apparatus, which was also placed in an atmosphere of 23 ⁇ 1° C. and humidity of 50 ⁇ 2%.
- the thermal conductivity measuring device is not placed in the room where the phenolic resin foam laminate specimen was placed, where the humidity is controlled at 23 ⁇ 1% and the humidity is 50 ⁇ 2%, it is necessary to The tested and adjusted specimens were immediately placed in a polyethylene bag, the bag was closed, and the bag was taken out within 1 hour, and the thermal conductivity was immediately measured.
- the thermal conductivity was measured at 23°C under the conditions of a low-temperature plate at 13°C and a high-temperature plate at 33°C, using a measuring device with a single test piece and target configuration method (Hideko Seiki Co., Ltd., product name "HC-074/FOX304"). ”) was used.
- ⁇ Void rate evaluation of phenolic resin foam Cut approximately the center of the thickness of the phenolic resin foam parallel to the front and back surfaces, enlarge the 100 mm x 150 mm area by 200% (4.0 times the area), make a color copy, and use transparent graph paper to make a 1 mm x 1 mm size.
- the area of voids with 8 squares or more (2.0 mm 2 or more) is integrated, the area fraction is calculated, and the void ratio (%) (average value of 4 measurements) is calculated, and the void ratio of the phenolic resin foam is calculated. Those in which the ratio was 0.5% or less were rated as "little," and those in excess of 0.5% were rated as "high.”
- ⁇ Measurement of closed cell ratio of phenolic resin foam If the thickness of the resin foam is 25 mm or more, a 25 mm square cube is cut out as a sample at the center position in the thickness direction of the phenolic resin foam using a cutting tool such as a band saw. In addition, if the thickness of the resin foam is less than 25 mm, the thickness after removal of the face material (if fibrous material derived from the face material remains, or if there is a face material on the back side), and the thickness is 25 mm in both length and width. Cut out a rectangular parallelepiped as a sample.
- the sample volume V (cm 3 ) is measured using the standard method of using an air comparison hydrometer (model 1000, manufactured by Tokyo Science Co., Ltd.).
- the closed cell ratio in a resin foam is calculated from the sample volume V, the sample mass W (g), and the density ⁇ of the resin composition constituting the resin foam, as shown in the following formula. ) is divided by the apparent volume Va (cm 3 ) calculated from the external dimensions of the sample, and is measured in accordance with ASTM D 2856 (Method C).
- Example 2 A resin foam was produced in exactly the same manner as in Example 1, except that the hydrofluoroether was changed to 3M Novec (registered trademark) 7100 high-performance liquid (manufactured by 3M).
- Example 3 A resin foam was produced in exactly the same manner as in Example 1, except that the hydrofluoroether was changed to 3M Novec (registered trademark) 7200 high performance liquid (manufactured by 3M).
- Example 4 A resin foam was produced in exactly the same manner as in Example 1, except that the hydrofluoroether was changed to 3M Novec (registered trademark) 7300 high-performance liquid (manufactured by 3M).
- Example 5 A resin foam was produced in exactly the same manner as in Example 1, except that the hydrofluoroether was changed to Asahiklin (registered trademark) AE-3000 (manufactured by AGC, purity 99% or higher).
- Example 6 The procedure was carried out in exactly the same manner as in Example 1, except that the hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M) and the amount of hydrofluoroether added was 0.1 part with respect to 100 parts by mass of the phenolic resin composition. A resin foam was produced.
- Example 7 The procedure was carried out in exactly the same manner as in Example 1 except that the hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M) and the amount of hydrofluoroether added was 6.5 parts with respect to 100 parts by mass of the phenolic resin composition. A resin foam was produced.
- Example 8 The resin was prepared in exactly the same manner as in Example 1, except that the hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M Company), and 14 parts by mass of HCFO-1224yd (Z) (manufactured by AGC Company) was used as the blowing agent. A foam was produced.
- Example 9 The hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M), and the blowing agent was a mixture of 80% by mass of HCFO-1224yd (Z) (manufactured by AGC) and 20% by mass of cyclopentane.
- a resin foam was produced in exactly the same manner as in Example 1, except that the amount added was 12 parts by mass.
- Example 10 A resin foam was produced in exactly the same manner as in Example 1, except that the hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M) and 6.3 parts by mass of cyclopentane was used as the blowing agent.
- the hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M) and 6.3 parts by mass of cyclopentane was used as the blowing agent.
- Example 11 The hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M), HCFO-1224yd (Z) (manufactured by AGC) was used as a blowing agent, the amount of blowing agent added was 14 parts by mass, and the hydrofluoroether A resin foam was produced in exactly the same manner as in Example 1, except that the inlet was installed on the downstream side of the mixer so that the hydrofluoroether was kneaded after the blowing agent.
- Such a manufacturing method is indicated as manufacturing method B in Table 2.
- HCFO-1233zd (E) as a blowing agent was further kneaded using a cordless driver drill while cooling the polycup so that the amount was 12 parts by mass. Although no foaming nucleating agent was added here, the air involved during kneading played the role of the foaming nucleating agent. It was confirmed by the change in the weight of the resin composition that each of the resin compositions had been kneaded in a predetermined amount.
- the polycup containing the foamable phenolic resin composition was cooled in the refrigerator for 1 hour, and after confirming that the foamable phenolic resin composition was at 12°C or lower, 80% by mass of xylene sulfonic acid and diethylene glycol were added as acidic curing agents. 13 parts by mass of a composition consisting of a 20% by mass mixture was added and kneaded with a cordless screwdriver drill for 2 minutes in an ice bath.
- the foamable phenolic resin composition was applied to the bottom of a metal frame (form) using a spatula in an environment of 13°C. The amount of the foamable phenol resin composition applied was adjusted as appropriate so that the thickness would not protrude from the metal frame (form) after foaming.
- the metal frame (form) used here is made of metal with a thickness of 2.0 mm, and has an inner diameter of 300 mm x 300 mm x height of 30 mm, with holes of 5 mm diameter punched at 1 mm intervals on the bottom.
- a polyester nonwoven fabric (Eltas E05060 manufactured by Asahi Kasei Corporation, basis weight 60 g/m 2 ) was laid as a surface material. The working time from kneading the foamable phenolic resin composition and acidic curing agent to finishing the application was 5 minutes.
- top plate cover a board larger than 300 mm x 300 mm with the same punching specifications as the bottom with the same surface material as the bottom of the metal frame (formwork) so that the surface material faces the foamed phenolic resin side.
- the top plate was fixed to the metal frame (formwork) with clips. Place this metal frame (formwork) in an oven heated to 85°C, place a 25kg weight heated to 85°C in the center of the top plate of the metal frame (formwork), heat it for 1 hour, and then heat it again at 105°C for 1 hour. After curing for a period of time, a phenol resin foam laminate having a thickness of 30 mm was obtained.
- Such a manufacturing method is indicated as manufacturing method C in Table 2.
- Example 1 A resin foam was produced in exactly the same manner as in Example 1, except that AMOLEA (registered trademark) AS-300 (manufactured by AGC, purity 99% or more), which is a fluorine compound that does not correspond to Formula 1, was used.
- AMOLEA registered trademark
- AS-300 manufactured by AGC, purity 99% or more
- Comparative example 2 Resin foaming was carried out in the same manner as in Example 1, except that the hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M) and the amount of hydrofluoroether added was 7 parts with respect to 100 parts by mass of the phenolic resin composition. manufactured a body.
- the hydrofluoroether was changed to Novec (registered trademark) 7200 (manufactured by 3M) and the amount of hydrofluoroether added was 7 parts with respect to 100 parts by mass of the phenolic resin composition. manufactured a body.
- Table 1 shows the types of hydrofluoroethers used in Examples 1 to 12 and Comparative Examples 1 and 2. In addition, the measurement and evaluation tests described above were conducted for Examples 1 to 12 and Comparative Examples 1 to 7. Measurement results and evaluation results are shown in 2.
- the phenolic resin foam and its laminate of this embodiment have a small cell diameter, so they may have excellent heat insulation performance, and the appearance defects such as voids and uneven color of the foam, as well as the compressive strength, are improved. Therefore, it can be used in various places that require insulation, for example.
- the raw materials are cheaper than the conventional technology, the capital investment is small, and the GWP is small, it is possible to provide an environmentally friendly foam with a small environmental impact.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
Abstract
L'invention concerne un objet en résine phénolique expansée contenant un hydrofluoroéther représenté par (formule 1) en une quantité de 0,03 à 4,3 % en masse. (Formule 1) : CaHbFc-O-CxHyFz (où a, b, c, x, y et z sont des nombres entiers, et 2 ≤ a ≤ 7, 0 ≤ b ≤ 3, c = 2a +1-b, b ≤ 2a +1, 1 ≤ x ≤ 3, 2 ≤ y ≤ 7, z = 2 × x +1-y, et y ≤ 2x +1)
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PCT/JP2023/015835 WO2023204283A1 (fr) | 2022-04-22 | 2023-04-20 | Objet en résine phénolique expansée et stratifié associé |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04202242A (ja) * | 1990-11-28 | 1992-07-23 | Toyo Tire & Rubber Co Ltd | フエノール樹脂発泡体の製造方法 |
JP2001502377A (ja) * | 1996-10-22 | 2001-02-20 | オウェンス コーニング | ペルフルオロ化エーテルを使用した非クロロフルオロカーボン気泡性レゾール発泡体の製造 |
JP2002309031A (ja) * | 2001-04-12 | 2002-10-23 | Asahi Kasei Corp | 微細気泡のフェノール樹脂発泡体 |
US20060128821A1 (en) * | 2004-11-08 | 2006-06-15 | Owens John G | Preparation of polymeric foams using hydrofluoroether nucleating agents |
JP2011504538A (ja) * | 2007-11-25 | 2011-02-10 | ハネウェル・インターナショナル・インコーポレーテッド | フッ素置換オレフィンを含有する発泡剤及び組成物ならびに発泡方法 |
JP2018095869A (ja) * | 2016-12-10 | 2018-06-21 | 積水化学工業株式会社 | フェノール樹脂発泡体及びその製造方法 |
WO2021157698A1 (fr) * | 2020-02-06 | 2021-08-12 | 旭化成建材株式会社 | Stratifié de mousse de résine phénolique |
-
2023
- 2023-04-20 WO PCT/JP2023/015835 patent/WO2023204283A1/fr unknown
- 2023-04-21 TW TW112114990A patent/TW202344587A/zh unknown
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04202242A (ja) * | 1990-11-28 | 1992-07-23 | Toyo Tire & Rubber Co Ltd | フエノール樹脂発泡体の製造方法 |
JP2001502377A (ja) * | 1996-10-22 | 2001-02-20 | オウェンス コーニング | ペルフルオロ化エーテルを使用した非クロロフルオロカーボン気泡性レゾール発泡体の製造 |
JP2002309031A (ja) * | 2001-04-12 | 2002-10-23 | Asahi Kasei Corp | 微細気泡のフェノール樹脂発泡体 |
US20060128821A1 (en) * | 2004-11-08 | 2006-06-15 | Owens John G | Preparation of polymeric foams using hydrofluoroether nucleating agents |
JP2011504538A (ja) * | 2007-11-25 | 2011-02-10 | ハネウェル・インターナショナル・インコーポレーテッド | フッ素置換オレフィンを含有する発泡剤及び組成物ならびに発泡方法 |
JP2018095869A (ja) * | 2016-12-10 | 2018-06-21 | 積水化学工業株式会社 | フェノール樹脂発泡体及びその製造方法 |
WO2021157698A1 (fr) * | 2020-02-06 | 2021-08-12 | 旭化成建材株式会社 | Stratifié de mousse de résine phénolique |
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