CN114958234B - High-permeability zero-VOC formaldehyde-free primer for impregnated paper and preparation method thereof - Google Patents
High-permeability zero-VOC formaldehyde-free primer for impregnated paper and preparation method thereof Download PDFInfo
- Publication number
- CN114958234B CN114958234B CN202210792231.5A CN202210792231A CN114958234B CN 114958234 B CN114958234 B CN 114958234B CN 202210792231 A CN202210792231 A CN 202210792231A CN 114958234 B CN114958234 B CN 114958234B
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- Prior art keywords
- formaldehyde
- paper
- impregnated paper
- primer
- monomer
- Prior art date
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- 238000002360 preparation method Methods 0.000 title abstract description 14
- 239000000178 monomer Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000004132 cross linking Methods 0.000 claims abstract description 23
- 230000035699 permeability Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 5
- 239000003999 initiator Substances 0.000 claims description 31
- 239000008367 deionised water Substances 0.000 claims description 18
- 229910021641 deionized water Inorganic materials 0.000 claims description 18
- 238000002156 mixing Methods 0.000 claims description 15
- 239000003431 cross linking reagent Substances 0.000 claims description 13
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 12
- 230000002209 hydrophobic effect Effects 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 230000000844 anti-bacterial effect Effects 0.000 claims description 9
- 239000003899 bactericide agent Substances 0.000 claims description 9
- 239000013530 defoamer Substances 0.000 claims description 9
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 8
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 claims description 7
- 229940091173 hydantoin Drugs 0.000 claims description 7
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 5
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 5
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 5
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 5
- 230000002070 germicidal effect Effects 0.000 claims description 5
- 239000011496 polyurethane foam Substances 0.000 claims description 5
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 5
- 229910052708 sodium Inorganic materials 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 claims description 4
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 4
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 4
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 claims description 3
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 3
- DAKWPKUUDNSNPN-UHFFFAOYSA-N Trimethylolpropane triacrylate Chemical compound C=CC(=O)OCC(CC)(COC(=O)C=C)COC(=O)C=C DAKWPKUUDNSNPN-UHFFFAOYSA-N 0.000 claims description 3
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 2
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 2
- CPUHIUKQEJIVPV-UHFFFAOYSA-N C(C=C)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.OC(CCCCC)(O)O Chemical compound C(C=C)(=O)O.C(C=C)(=O)O.C(C=C)(=O)O.OC(CCCCC)(O)O CPUHIUKQEJIVPV-UHFFFAOYSA-N 0.000 claims description 2
- HVVWZTWDBSEWIH-UHFFFAOYSA-N [2-(hydroxymethyl)-3-prop-2-enoyloxy-2-(prop-2-enoyloxymethyl)propyl] prop-2-enoate Chemical compound C=CC(=O)OCC(CO)(COC(=O)C=C)COC(=O)C=C HVVWZTWDBSEWIH-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- JPMIIZHYYWMHDT-UHFFFAOYSA-N octhilinone Chemical group CCCCCCCCN1SC=CC1=O JPMIIZHYYWMHDT-UHFFFAOYSA-N 0.000 claims description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical class CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims 1
- GBSRRQISIWGCNC-UHFFFAOYSA-N methyl propane-1-sulfonate Chemical compound CCCS(=O)(=O)OC GBSRRQISIWGCNC-UHFFFAOYSA-N 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 26
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract description 15
- 239000000853 adhesive Substances 0.000 abstract description 15
- 230000001070 adhesive effect Effects 0.000 abstract description 15
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 229920001807 Urea-formaldehyde Polymers 0.000 abstract description 4
- 238000004026 adhesive bonding Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000013508 migration Methods 0.000 abstract description 3
- 230000005012 migration Effects 0.000 abstract description 3
- 239000003960 organic solvent Substances 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 150000003384 small molecules Chemical class 0.000 abstract description 3
- 238000005034 decoration Methods 0.000 abstract description 2
- 239000011229 interlayer Substances 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000002987 primer (paints) Substances 0.000 description 20
- -1 allyl alkyl alcohol ether sulfosuccinic acid diester sodium salt Chemical class 0.000 description 8
- 238000001035 drying Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920005862 polyol Polymers 0.000 description 5
- 150000003077 polyols Chemical class 0.000 description 5
- 239000004970 Chain extender Substances 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 125000005442 diisocyanate group Chemical group 0.000 description 4
- 238000007598 dipping method Methods 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 4
- 239000012948 isocyanate Substances 0.000 description 4
- 150000002513 isocyanates Chemical class 0.000 description 4
- 229920005749 polyurethane resin Polymers 0.000 description 4
- QYYMDNHUJFIDDQ-UHFFFAOYSA-N 5-chloro-2-methyl-1,2-thiazol-3-one;2-methyl-1,2-thiazol-3-one Chemical compound CN1SC=CC1=O.CN1SC(Cl)=CC1=O QYYMDNHUJFIDDQ-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920000056 polyoxyethylene ether Polymers 0.000 description 2
- 229940051841 polyoxyethylene ether Drugs 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- FWFUWXVFYKCSQA-UHFFFAOYSA-M sodium;2-methyl-2-(prop-2-enoylamino)propane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(C)(C)NC(=O)C=C FWFUWXVFYKCSQA-UHFFFAOYSA-M 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 1
- GTELLNMUWNJXMQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;prop-2-enoic acid Chemical class OC(=O)C=C.OC(=O)C=C.OC(=O)C=C.CCC(CO)(CO)CO GTELLNMUWNJXMQ-UHFFFAOYSA-N 0.000 description 1
- SEILKFZTLVMHRR-UHFFFAOYSA-N 2-phosphonooxyethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOP(O)(O)=O SEILKFZTLVMHRR-UHFFFAOYSA-N 0.000 description 1
- WQPMYSHJKXVTME-UHFFFAOYSA-N 3-hydroxypropane-1-sulfonic acid Chemical compound OCCCS(O)(=O)=O WQPMYSHJKXVTME-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical compound OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005336 allyloxy group Chemical group 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004925 denaturation Methods 0.000 description 1
- 230000036425 denaturation Effects 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229940119545 isobornyl methacrylate Drugs 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- AZIQALWHRUQPHV-UHFFFAOYSA-N prop-2-eneperoxoic acid Chemical compound OOC(=O)C=C AZIQALWHRUQPHV-UHFFFAOYSA-N 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- UZMKOEWHQQPOBJ-UHFFFAOYSA-M sodium;2,3-dihydroxypropane-1-sulfonate Chemical compound [Na+].OCC(O)CS([O-])(=O)=O UZMKOEWHQQPOBJ-UHFFFAOYSA-M 0.000 description 1
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 description 1
- DGTOAFBVEDTEBA-UHFFFAOYSA-N sodium;prop-1-ene Chemical compound [Na+].[CH2-]C=C DGTOAFBVEDTEBA-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/29—Laminated material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/04—Acids; Metal salts or ammonium salts thereof
- C08F220/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
- C08F283/124—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes on to polysiloxanes having carbon-to-carbon double bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J135/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical, and containing at least another carboxyl radical in the molecule, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J135/02—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C09J151/085—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds on to polysiloxanes
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/16—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the structure of the carrier layer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/208—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive layer being constituted by at least two or more adjacent or superposed adhesive layers, e.g. multilayer adhesive
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- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/41—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the carrier layer
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- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/20—Presence of organic materials
- C09J2400/28—Presence of paper
- C09J2400/283—Presence of paper in the substrate
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Abstract
The invention discloses high-permeability zero-VOC formaldehyde-free primer glue for impregnated paper and a preparation method thereof, belongs to the field of impregnated paper adhesives, and solves the problem of formaldehyde release caused by traditional urea-formaldehyde glue for impregnated paper, thereby realizing real formaldehyde-free effect for home decoration. The formaldehyde-free impregnating primer prepared by the invention introduces the permeable monomer on the resin structure, so that the resin has good water solubility and small particle size, the permeability of the primer glue solution to paper is improved, and the problem that the paper is easy to break due to uneven permeability of the paper glue solution is solved; meanwhile, the problem of poor water resistance caused by small molecule migration due to external addition of the penetrating agent is solved. The base coating adhesive of the impregnated paper does not contain organic solvent, so that the real zero VOC emission is realized. The invention adopts multiple internal and external crosslinking technology to realize extremely strong adhesive force to paper, and has good recoating property and interlayer adhesive force to back-gluing and face-gluing in the subsequent process.
Description
Technical Field
The invention belongs to the field of impregnated paper adhesives, and particularly relates to a high-permeability zero-VOC formaldehyde-free primer adhesive for impregnated paper and a preparation method thereof.
Background
At present, melamine glue and urea-formaldehyde glue are indispensable raw materials in the production process of impregnated paper, formaldehyde is contained in the raw materials, and harmful substances such as formaldehyde, phenol and the like are released in the processes of glue solution preparation, paper impregnation, board pressing and pasting and finished furniture use, so that the health of people is endangered. Therefore, in order to solve the pollution of formaldehyde to air and protect the life and health of people, many researchers are devoted to research and development work of formaldehyde-free impregnated paper adhesives.
In the study of impregnated paper formaldehyde-free adhesives, although formaldehyde-free is possible, few researchers have focused on the speed of penetration of the glue into the paper. When the paper is uncoiled, the paper is soaked in the glue tank, if the permeation speed is not fast enough, the glue solution of the paper is uneven, and the paper is easy to break when the machine is started for traction; in addition, if the permeation speed is not fast enough, the problem is solved by reducing the starting line speed, prolonging the contact time of the paper and the glue solution and improving the permeability, so that the production efficiency can be seriously influenced. If the penetrant is externally added, the problem of poor water resistance of paper caused by small molecule migration is easily caused. Moreover, the existing formaldehyde-free adhesive generally uses an organic solvent, so that the VOC content is high, and the environment is seriously polluted.
Problems in the prior art: 1) The problem that the traditional urea-formaldehyde glue for impregnated paper contains formaldehyde; 2) The existing novel formaldehyde-free technology has the problem that glue solution has poor permeability to paper; 3) The prior novel formaldehyde-free technology has the problem of high VOC content of the glue solution.
Disclosure of Invention
The invention aims to provide high-permeability zero-VOC formaldehyde-free primer for impregnated paper and a preparation method thereof, so as to solve the problems in the prior art.
The inventor provides a preparation method of novel formaldehyde-free gum dipping film paper for the first time through numerous experiments, which comprises the following steps:
S1, soaking base paper in a base adhesive, and taking out and drying the impregnated base paper to obtain base paper with both front and back surfaces coated with the base adhesive;
S2, coating back glue on one side of the base paper coated with the back glue obtained in the step S1, coating face glue on the other side of the base paper, and drying to obtain the novel formaldehyde-free gum dipping film paper;
S3, carrying out veneering hot pressing on one side of the novel formaldehyde-free impregnated paper coated with the back glue obtained in the step S2 and the base material, and completing curing and bonding of the impregnated paper and the base material.
The invention provides high-permeability zero-VOC formaldehyde-free primer for impregnated paper, which comprises the following components in percentage by mass:
the sum of the mass percentages of the components is 100 percent;
Adding a proper amount of water as a solvent;
The hydrophilic crosslinking monomer is one or more of hydroxyethyl acrylate, 2-acrylic acid-4-hydroxypropyl ester, beta-acryloxypropionic acid, methacrylic acid, acrylic acid and acrylamide;
The hydrophobic monomer is one or more of ethyl acrylate, butyl acrylate, isooctyl acrylate, methyl methacrylate, styrene and butyl methacrylate;
the internal crosslinking monomer is one or more of trimethylolpropane triacrylate, trihydroxy hexane triacrylate, pentaerythritol triacrylate, polytrimethylolpropane triacrylate, ethoxylated trimethylolpropane triacrylate and ethylene glycol dimethacrylate;
The permeable monomer is one or more of double bond end capped polyether modified organic silicon, allyl alcohol polyoxyalkyl ether, allyl polyether ammonium phosphate, allyl alkyl alcohol ether sulfosuccinic acid diester sodium salt (model M-16S), allyl alkyl sulfosuccinic acid ester sodium salt (model M-12S), allyl sodium sulfonate, sodium methacrylate and sodium 2-acrylamide-2-methylpropanesulfonate.
Preferably, the external cross-linking agent is one or two of water-soluble hydantoin epoxy resin and isocyanate.
More preferably, the water-soluble hydantoin epoxy resin is one or more of MHR070, MHR154 and MHR 154B.
More preferably, the isocyanate is a blocked isocyanate which is unblocked at 80 to 130 ℃.
Preferably, the initiator is one or more of sodium persulfate, potassium persulfate, ammonium persulfate and 2,2' -azo (2-methylpropionamidine) dihydrochloride.
Preferably, the defoamer is basf NXZ.
Preferably, the mildew-proof bactericide is a KATHON CG bactericide.
Preferably, the addition amount of water is 100% -500% of the total amount of the primer components, and deionized water is used as a solvent.
The invention also provides a preparation method of the high-permeability zero-VOC formaldehyde-free primer coating for the impregnated paper, which comprises the following steps:
(1) Uniformly mixing hydrophilic crosslinking monomers, permeable monomers, hydrophobic monomers and internal crosslinking monomers, and adding the mixture into a monomer high-position dropwise adding groove;
(2) Uniformly mixing an initiator and part of deionized water, and adding the mixture into an initiator high-level dropwise adding tank;
(3) The rest deionized water is used as reaction base solution, and the temperature is raised to 70-97 ℃;
(4) Adding a small amount of initiator solution into the base solution, reacting for a preset time, synchronously dripping the rest initiator solution and monomer solution, performing heat preservation treatment, and then cooling;
(5) Sequentially adding the external cross-linking agent, the defoamer and the mildew-proof bactericide in a set proportion, and uniformly mixing to obtain the modified polyurethane foam.
Further, in the step (4), a small amount of initiator solution is added into the base solution, after the reaction is carried out for 10 to 40 minutes, the rest initiator solution and monomer solution are synchronously added dropwise, the dropwise addition is carried out for 1.5 to 5 hours, the heat preservation is carried out for 0.5 to 2.5 hours, and then the cooling is carried out.
Compared with the prior art, the invention has the beneficial technical effects that:
1) The invention solves the problem of formaldehyde release caused by the traditional urea-formaldehyde glue for impregnated paper, and realizes real formaldehyde-free effect for home decoration.
2) The formaldehyde-free impregnating primer prepared by the invention introduces the permeable monomer on the resin structure, so that the resin has good water solubility and small particle size, the permeability of the primer glue solution to paper is improved, and the problem that the paper is easy to break due to uneven permeability of the paper glue solution is solved; meanwhile, the problem of poor water resistance caused by small molecule migration due to external addition of the penetrating agent is solved.
3) The base coating adhesive of the impregnated paper does not contain organic solvent, so that the real zero VOC emission is realized.
4) The invention adopts multiple internal and external crosslinking technology to realize extremely strong adhesive force to paper, and has good recoating property and interlayer adhesive force to back-gluing and face-gluing in the subsequent process.
5) The invention introduces the water-soluble hydantoin epoxy resin as the cross-linking agent, has good high Wen Naihuang denaturation and weather resistance, can be cross-linked with carboxyl and hydroxyl, can be used for treating paper, and improves the water resistance, strength and crease resistance of the paper.
Drawings
FIG. 1 is a flow chart of a preparation process of the primer according to the invention.
Detailed Description
The reagents used in this example are all common commercial products or prepared by conventional means, and the equipment used is conventional in the art, and the following are some examples of the inventors in experiments:
the invention is further illustrated by the following specific examples and figures.
Example 1
The invention discloses a preparation method of high-permeability zero-VOC formaldehyde-free primer coating for impregnated paper, which comprises the following steps:
(1) Uniformly mixing hydrophilic crosslinking monomers, permeable monomers, hydrophobic monomers and internal crosslinking monomers, and adding the mixture into a monomer high-position dropwise adding groove;
(2) Uniformly mixing an initiator and part of deionized water, and adding the mixture into an initiator high-level dropwise adding tank;
(3) The rest deionized water is used as reaction base solution, and the temperature is raised to 80 ℃;
(4) Adding a small amount of initiator solution into the base solution, reacting for 15min, synchronously dripping the rest initiator solution and monomer solution, dripping for 4h, preserving heat for 2h, and then cooling;
(5) Sequentially adding the external cross-linking agent, the defoamer and the mildew-proof bactericide in a set proportion, and uniformly mixing to obtain the modified polyurethane foam.
The high-permeability zero-VOC formaldehyde-free primer for the impregnated paper comprises the following components in percentage by mass:
Hydrophilic crosslinking monomer: 35% acrylic acid;
hydrophobic monomer: 10% of butyl acrylate, 20% of methyl methacrylate and 10% of styrene;
internal crosslinking monomer: 1% ethylene glycol dimethacrylate;
permeable monomer: 6% double bond end capped polyether modified organic silicon, 10% 2-acrylamide-2-methyl propane sodium sulfonate;
External crosslinking agent: 5% of water-soluble hydantoin epoxy resin MHR070;
And (3) an initiator: 2% ammonium persulfate;
0.4% basf NXZ;
0.6% kathon CG germicide;
300% deionized water.
Example 2
The invention discloses a preparation method of high-permeability zero-VOC formaldehyde-free primer coating for impregnated paper, which comprises the following steps:
(1) Uniformly mixing hydrophilic crosslinking monomers, permeable monomers, hydrophobic monomers and internal crosslinking monomers, and adding the mixture into a monomer high-position dropwise adding groove;
(2) Uniformly mixing an initiator and part of deionized water, and adding the mixture into an initiator high-level dropwise adding tank;
(3) The rest deionized water is used as reaction base solution, and the temperature is raised to 87 ℃;
(4) Adding a small amount of initiator solution into the base solution, reacting for 10min, synchronously dripping the rest initiator solution and monomer solution, dripping for 3.5h, preserving heat for 2h, and then cooling;
(5) Sequentially adding the external cross-linking agent, the defoamer and the mildew-proof bactericide in a set proportion, and uniformly mixing to obtain the modified polyurethane foam.
The high-permeability zero-VOC formaldehyde-free primer for the impregnated paper comprises the following components in percentage by mass:
Hydrophilic crosslinking monomer: 25% methacrylic acid, 15% acrylic acid;
Hydrophobic monomer: 20% of ethyl acrylate, 5% of methyl methacrylate and 5% of styrene;
Internal crosslinking monomer: 0.5% of trimethylolpropane triacrylate;
Permeable monomer: sodium salt of allyl alkyl sulfosuccinate (model M-12S, purchased from Shanghai loyalty fine chemical Co., ltd.) 10% sodium 2-acrylamido-2-methylpropanesulfonate;
External crosslinking agent: 6% isocyanate;
and (3) an initiator: 5% potassium persulfate;
0.5% basf NXZ;
0.5% kathon CG germicide;
233% deionized water.
Example 3
The invention discloses a preparation method of high-permeability zero-VOC formaldehyde-free primer coating for impregnated paper, which comprises the following steps:
(1) Uniformly mixing hydrophilic crosslinking monomers, permeable monomers, hydrophobic monomers and internal crosslinking monomers, and adding the mixture into a monomer high-position dropwise adding groove;
(2) Uniformly mixing an initiator and part of deionized water, and adding the mixture into an initiator high-level dropwise adding tank;
(3) The rest deionized water is used as reaction base solution, and the temperature is raised to 95 ℃;
(4) Adding a small amount of initiator solution into the base solution, reacting for 10min, synchronously dripping the rest initiator solution and monomer solution, dripping for 2.5h, preserving heat for 1h, and then cooling;
(5) Sequentially adding the external cross-linking agent, the defoamer and the mildew-proof bactericide in a set proportion, and uniformly mixing to obtain the modified polyurethane foam.
The high-permeability zero-VOC formaldehyde-free primer for the impregnated paper comprises the following components in percentage by mass:
Hydrophilic crosslinking monomer: 10% beta-acryloxypropionic acid, 30% methacrylic acid, 5% acrylamide;
Hydrophobic monomer: 15% isooctyl acrylate;
internal crosslinking monomer: 2% ethylene glycol dimethacrylate;
Permeable monomer: 10% allyl alkyl alcohol ether sulfosuccinic acid diester sodium salt (model M-16S, purchased from Shanghai loyalty fine chemical Co., ltd.), 10% sodium 2-acrylamido-2-methylpropanesulfonate;
External crosslinking agent: 10% water-soluble hydantoin epoxy MHR154;
and (3) an initiator: 7% ammonium persulfate;
0.5% basf NXZ;
0.5% kathon CG germicide;
150% deionized water.
Example 4
The impregnated papers obtained in examples 1 to 3 were coated on the surface of the paper with a high-permeability zero-VOC formaldehyde-free primer, and the paper coated with the primer was subjected to a related test, as shown in table 1.
TABLE 1 physical Properties of paper after primer coating
Example 5
The invention relates to a preparation method of novel formaldehyde-free gum dipping film paper, which comprises the following steps:
step 1, soaking base paper in the primer prepared in the embodiment 2, and taking out and drying the impregnated base paper to obtain base paper with both sides coated with the primer;
step 2, coating back glue on one side of the base paper coated with the back glue near the base material, coating face glue on the other side of the base paper, and drying to obtain novel aldehyde-free gum dipping film paper;
And 3, carrying out veneering hot pressing on one side of the novel formaldehyde-free impregnated paper coated with the back glue and the base material, and completing curing and bonding of the impregnated paper and the base material.
The back adhesive comprises the following components:
hydrophilic crosslinking monomer: 10% methacrylic acid, 8% acrylic acid;
Adhesion monomer is improved: 5% ethylene glycol methacrylate phosphate, 5% epoxy E51;
hydrophobic monomer: 30% of isooctyl acrylate, 10% of methyl methacrylate and 20% of styrene;
emulsifying agent: 3% of allyloxy nonylphenol polyoxyethylene ether sulfate and 2% of sodium 2-acrylamide-2-methylpropanesulfonate;
external crosslinking agent: 3% Wan jun chemical industry C5, 3% Wanjun chemical industry/>C32；
And (3) an initiator: 0.6% potassium persulfate;
0.2% defoamer;
0.2% of mildew-proof bactericide;
150% deionized water.
The formula of the face glue is as follows:
40% of double bond-containing polyurethane resin;
Double bond-containing polysiloxane monomer: 3% monoacrylate-terminated polysiloxane;
Hydrophobic monomer: 15% of isooctyl acrylate, 5% of styrene and 10% of isobornyl methacrylate;
hydrophilic monomer: 1.5% methacrylic acid, 0.5% acrylamide;
Emulsifying agent: 1% of allyloxy nonylphenol polyoxyethylene ether sulfate and 1% of sodium allyloxy hydroxypropyl sulfonate;
and (3) an initiator: 0.5% potassium persulfate;
Neutralizing agent: 1% N, N-dimethylethanolamine;
external crosslinking agent: 1% aqueous blocked aziridine;
0.2% defoamer;
0.3% of mildew-proof bactericide;
20% deionized water;
The amounts of the above components are calculated according to the total formula amount.
Wherein the double bond-containing polyurethane resin is prepared from the following raw materials in percentage by weight:
a diisocyanate: 10% hexamethylene diisocyanate;
Polyol: 10% polyethylene glycol, 10% polycarbonate polyol;
hydrophilic chain extender: 1.8% sodium 1, 2-dihydroxy-3-propanesulfonate;
hydroxy acrylate monomer: 5% hydroxyethyl methacrylate;
Catalyst: 0.2% dibutyltin dilaurate;
63% deionized water;
the preparation process of the polyurethane resin containing double bonds comprises the following steps:
1) Respectively dehydrating and drying the polyol, the hydrophilic chain extender, the catalyst and the diisocyanate under vacuum conditions to obtain dehydrated polyol, hydrophilic chain extender, catalyst and diisocyanate;
2) Adding dehydrated polyol, hydrophilic chain extender and catalyst into a reaction kettle, introducing nitrogen, then dropwise adding dehydrated diisocyanate, and heating to 80 ℃ for reaction for 3 hours;
3) Cooling to 65 ℃, adding a hydroxy acrylic ester monomer, and reacting for 3 hours;
4) Cooling to 40 ℃, adding water for emulsification, and obtaining the polyurethane resin containing double bonds.
The surface properties of the impregnated paper after hot pressing were subjected to the relevant tests, as shown in table 2.
TABLE 2 results of surface Performance test of impregnated paper after hot pressing
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The high-permeability zero-VOC formaldehyde-free primer for the impregnated paper is characterized by comprising the following components in percentage by mass:
the sum of the mass percentages of the components is 100 percent;
Adding a proper amount of water as a solvent;
The hydrophilic crosslinking monomer is one or more of hydroxyethyl acrylate, 2-acrylic acid-4-hydroxypropyl ester, beta-acryloxypropionic acid, methacrylic acid, acrylic acid and acrylamide;
The hydrophobic monomer is one or more of ethyl acrylate, butyl acrylate, isooctyl acrylate, methyl methacrylate, styrene and butyl methacrylate;
The internal crosslinking monomer is one or more of trimethylolpropane triacrylate, trihydroxy hexane triacrylate, pentaerythritol triacrylate, polytrimethylolpropane triacrylate, ethoxylated trimethylolpropane and ethylene glycol dimethacrylate;
The permeable monomer is a combination of two of double-bond capped polyether modified organic silicon and 2-acrylamide-2-sodium methylpropanesulfonate;
The external cross-linking agent is water-soluble hydantoin epoxy resin; the water-soluble hydantoin epoxy resin is one or more of MHR070, MHR154 and MHR 154B;
The initiator is one or more of sodium persulfate, potassium persulfate, ammonium persulfate and 2,2' -azo (2-methylpropionamidine) dihydrochloride.
2. The high permeability zero VOC aldehyde-free primer for impregnated paper according to claim 1, wherein the defoamer is basf NXZ.
3. The high permeability zero VOC formaldehyde-free primer for impregnated paper according to claim 1, wherein the mildewproof germicide is KATHON CG germicide.
4. The high-permeability zero-VOC aldehyde-free primer for impregnated paper according to claim 1, wherein the water is added in an amount of 100% to 500% of the total amount of the primer components, and deionized water is used as a solvent.
5. The method for preparing the high-permeability zero-VOC formaldehyde-free primer for impregnated paper according to claim 4, comprising the steps of:
(1) Uniformly mixing hydrophilic crosslinking monomers, permeable monomers, hydrophobic monomers and internal crosslinking monomers, and adding the mixture into a monomer high-position dropwise adding groove;
(2) Uniformly mixing an initiator and part of deionized water, and adding the mixture into an initiator high-level dropwise adding tank;
(3) The rest deionized water is used as reaction base solution, and the temperature is raised to 70-97 ℃;
(4) Adding a small amount of initiator solution into the base solution, reacting for a preset time, synchronously dripping the rest initiator solution and monomer solution, performing heat preservation treatment, and then cooling;
(5) Sequentially adding the external cross-linking agent, the defoamer and the mildew-proof bactericide in a set proportion, and uniformly mixing to obtain the modified polyurethane foam.
6. The method for preparing the high-permeability zero-VOC formaldehyde-free primer for impregnated paper according to claim 5, wherein in the step (4), a small amount of initiator solution is added into the primer, and after reacting for 10-40 min, the rest initiator solution and monomer solution are simultaneously added dropwise, the dropwise is carried out for 1.5-5 h, the temperature is kept for 0.5-2.5 h, and then the primer is cooled.
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