CN115058202B - 一种无醛浸胶膜纸的制备方法 - Google Patents
一种无醛浸胶膜纸的制备方法 Download PDFInfo
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- CN115058202B CN115058202B CN202210782786.1A CN202210782786A CN115058202B CN 115058202 B CN115058202 B CN 115058202B CN 202210782786 A CN202210782786 A CN 202210782786A CN 115058202 B CN115058202 B CN 115058202B
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- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000000178 monomer Substances 0.000 claims abstract description 83
- 239000000853 adhesive Substances 0.000 claims abstract description 58
- 230000001070 adhesive effect Effects 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000011248 coating agent Substances 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 39
- 238000007598 dipping method Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 12
- 238000007731 hot pressing Methods 0.000 claims abstract description 11
- 238000002791 soaking Methods 0.000 claims abstract description 5
- 238000007711 solidification Methods 0.000 claims abstract description 3
- 230000008023 solidification Effects 0.000 claims abstract description 3
- 239000003999 initiator Substances 0.000 claims description 45
- 239000003431 cross linking reagent Substances 0.000 claims description 33
- -1 allyl alkyl alcohol ether sulfosuccinic acid diester sodium salt Chemical class 0.000 claims description 31
- 239000008367 deionised water Substances 0.000 claims description 28
- 229910021641 deionized water Inorganic materials 0.000 claims description 28
- 239000002987 primer (paints) Substances 0.000 claims description 24
- 238000002156 mixing Methods 0.000 claims description 21
- 238000004132 cross linking Methods 0.000 claims description 19
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 18
- 230000002209 hydrophobic effect Effects 0.000 claims description 18
- 238000004026 adhesive bonding Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 16
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- 150000003077 polyols Chemical class 0.000 claims description 16
- 230000000844 anti-bacterial effect Effects 0.000 claims description 15
- 239000003899 bactericide agent Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 15
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- 229910052708 sodium Inorganic materials 0.000 claims description 15
- 239000011734 sodium Substances 0.000 claims description 15
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- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 12
- 125000005442 diisocyanate group Chemical group 0.000 claims description 12
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- 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 claims description 11
- 239000000126 substance Substances 0.000 claims description 11
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- IGFHQQFPSIBGKE-UHFFFAOYSA-N Nonylphenol Natural products CCCCCCCCCC1=CC=C(O)C=C1 IGFHQQFPSIBGKE-UHFFFAOYSA-N 0.000 claims description 10
- 239000003054 catalyst Substances 0.000 claims description 10
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- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 10
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 10
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 9
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 8
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- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 claims description 8
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 8
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- 229920000647 polyepoxide Polymers 0.000 claims description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 8
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims description 7
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 7
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 7
- 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 6
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 6
- CYUZOYPRAQASLN-UHFFFAOYSA-N 3-prop-2-enoyloxypropanoic acid Chemical compound OC(=O)CCOC(=O)C=C CYUZOYPRAQASLN-UHFFFAOYSA-N 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 6
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 6
- 239000013530 defoamer Substances 0.000 claims description 6
- 230000003472 neutralizing effect Effects 0.000 claims description 6
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 6
- SEILKFZTLVMHRR-UHFFFAOYSA-N 2-phosphonooxyethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCOP(O)(O)=O SEILKFZTLVMHRR-UHFFFAOYSA-N 0.000 claims description 5
- WQPMYSHJKXVTME-UHFFFAOYSA-N 3-hydroxypropane-1-sulfonic acid Chemical compound OCCCS(O)(=O)=O WQPMYSHJKXVTME-UHFFFAOYSA-N 0.000 claims description 5
- 125000005336 allyloxy group Chemical group 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 claims description 4
- DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 claims description 4
- JHUFGBSGINLPOW-UHFFFAOYSA-N 3-chloro-4-(trifluoromethoxy)benzoyl cyanide Chemical compound FC(F)(F)OC1=CC=C(C(=O)C#N)C=C1Cl JHUFGBSGINLPOW-UHFFFAOYSA-N 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 4
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- WJRBRSLFGCUECM-UHFFFAOYSA-N hydantoin Chemical compound O=C1CNC(=O)N1 WJRBRSLFGCUECM-UHFFFAOYSA-N 0.000 claims description 4
- 229940091173 hydantoin Drugs 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229920000570 polyether Polymers 0.000 claims description 4
- SONHXMAHPHADTF-UHFFFAOYSA-M sodium;2-methylprop-2-enoate Chemical compound [Na+].CC(=C)C([O-])=O SONHXMAHPHADTF-UHFFFAOYSA-M 0.000 claims description 4
- XFTALRAZSCGSKN-UHFFFAOYSA-M sodium;4-ethenylbenzenesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C1=CC=C(C=C)C=C1 XFTALRAZSCGSKN-UHFFFAOYSA-M 0.000 claims description 4
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 claims description 4
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 3
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 3
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- 229920005830 Polyurethane Foam Polymers 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
- 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 claims description 3
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical group CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims description 3
- 150000001718 carbodiimides Chemical class 0.000 claims description 3
- 239000012975 dibutyltin dilaurate Substances 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 claims description 3
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 3
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- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 claims description 2
- JVYDLYGCSIHCMR-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butanoic acid Chemical compound CCC(CO)(CO)C(O)=O JVYDLYGCSIHCMR-UHFFFAOYSA-N 0.000 claims description 2
- 229940058020 2-amino-2-methyl-1-propanol Drugs 0.000 claims description 2
- 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 claims description 2
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 2
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- 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
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- 229910019142 PO4 Inorganic materials 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
- NOZAQBYNLKNDRT-UHFFFAOYSA-N [diacetyloxy(ethenyl)silyl] acetate Chemical compound CC(=O)O[Si](OC(C)=O)(OC(C)=O)C=C NOZAQBYNLKNDRT-UHFFFAOYSA-N 0.000 claims description 2
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- CBTVGIZVANVGBH-UHFFFAOYSA-N aminomethyl propanol Chemical compound CC(C)(N)CO CBTVGIZVANVGBH-UHFFFAOYSA-N 0.000 claims description 2
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- GBFVZTUQONJGSL-UHFFFAOYSA-N ethenyl-tris(prop-1-en-2-yloxy)silane Chemical compound CC(=C)O[Si](OC(C)=C)(OC(C)=C)C=C GBFVZTUQONJGSL-UHFFFAOYSA-N 0.000 claims description 2
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Abstract
本发明公开了一种新型无醛浸胶膜纸的制备方法,包括:S1.将原纸浸泡在底涂胶中,然后将浸渍后的原纸取出烘干,得到正反面均涂覆底涂胶的原纸;S2.在涂覆底涂胶的原纸靠基材一侧涂覆背涂胶,在其另一侧涂覆面胶,烘干处理后,得到所述新型无醛浸胶膜纸;S3.将新型无醛浸胶膜纸涂覆背涂胶一侧与基材进行贴面热压,完成浸胶膜纸与基材的固化粘接。本发明制得的无醛浸渍底涂胶在树脂结构上引入渗透性单体,其树脂水溶性较好、粒径小,提高了底涂胶液对纸张的渗透性,解决了纸张胶液渗透不均匀,造成纸张容易断裂的问题;同时也解决了由于外添加渗透剂引起的小分子迁移导致的耐水性差的问题。
Description
技术领域
本发明涉及人造板制作技术领域,具体涉及一种无醛浸胶膜纸的制备方法。
背景技术
中国是世界第一大人造板生产国,也是第一大家具生产国。目前,人造板的产量超过3亿立方米。人造板素板制作家具需要进行饰面处理,常见的有贴浸胶膜纸饰面、贴木皮饰面、油漆饰面等,其中浸胶膜纸饰面具有成本低、加工效率高的优势,使用量远高于其他饰面。
目前,在浸胶膜纸生产过程中,三聚氰胺胶、脲醛胶是不可或缺的原料,该原料中含有甲醛,在胶液制备、纸张浸渍、板材压贴以及成品家具使用过程中都会释放甲醛、苯酚等有害物质,危害人们身体健康。而且现有胶粘剂通常使用有机溶剂,造成VOC含量高,严重污染环境。
在浸胶膜纸胶粘剂研究中,很少有研究者关注胶液对纸张渗透速度。纸张开卷时浸泡在胶槽中,如果渗透速度不够快,会导致纸张胶液不均匀,开机牵引时容易造成纸张断裂;另外如果渗透速度不够快,通过降低开机线速度,延长纸张与胶液的接触时间提高渗透性来解决,这样会严重影响生产效率。如果外添加渗透剂,容易引起小分子迁移导致纸张耐水性差的问题。
在浸胶膜纸胶粘剂研究中,很少有研究者关注胶液对纸张与板材压贴的粘结强度,这项指标在国标中提出了浸胶膜纸饰面胶合板表面胶合强度≥0.6MPa的要求。如果该指标不合格,以致于影响耐蒸煮、耐冷热循环性能不合格,甚至还会影响高温压贴时的脱模性能。另外,传统的三聚氰胺-甲醛胶,暴露与空气中容易受潮,所以必须密封保存。而市面上无醛胶对纸张与板材压贴的粘结强度不够,用刀片划格附着力测试浸渍胶膜纸容易从板材上脱落。
在浸胶膜纸胶粘剂研究中,很少有研究者关注浸胶膜纸的表面性能。现有技术中,浸胶膜纸的面胶存在硬度不够、不耐划伤、VOC排放量高、不耐酒精、不耐水;而且面胶的固化时间长、不脱模、易吸潮,这些缺陷限制了浸胶膜纸的大规模推广应用。
发明内容
本发明的目的在于提供一种新型无醛浸胶膜纸的制备方法,以解决现有技术中存在的问题。
发明人经过无数次试验,首次提出一种新型无醛浸胶膜纸的制备方法,包括:
S1.将原纸浸泡在底涂胶中,然后将浸渍后的原纸取出烘干,得到正反面均涂覆底涂胶的原纸;
S2.在步骤S1所得涂覆底涂胶的原纸靠基材一侧涂覆背涂胶,在其另一侧涂覆面胶,烘干处理后,得到所述新型无醛浸胶膜纸;
S3.将步骤S2所得新型无醛浸胶膜纸涂覆背涂胶一侧与基材进行贴面热压,完成浸胶膜纸与基材的固化粘接;
所述底涂胶包括以下组分,各组分质量百分比计为:
上述各组分的质量百分比之和为100%;
所述底涂胶中,亲水交联单体为丙烯酸羟乙酯、2-丙烯酸-4-羟丙酯、β-丙烯酰氧基丙酸、甲基丙烯酸、丙烯酸、丙烯酰胺中的一种或多种;
所述底涂胶中,疏水性单体为丙烯酸乙酯、丙烯酸丁酯、丙烯酸异辛酯、甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸丁酯中的一种或多种;
所述底涂胶中,内交联单体为三羟基丙烷三丙烯酸酯、三羟甲基丙烷三丙烯酸酯、三羟基己烷三丙烯酸酯、季戊四醇三丙烯酸酯、聚三羟甲基丙烷三丙烯酸酯、乙氧基化三羟甲基丙烷三丙烯酸酯、乙二醇二甲基丙烯酸酯中的一种或多种;
所述底涂胶中,渗透性单体为双键封端聚醚改性有机硅、烯丙醇聚氧烷基醚、烯丙基聚醚磷酸铵盐、烯丙基的烷基醇醚磺基琥珀酸双酯钠盐(型号M-16S)、烯丙基的烷基磺基琥珀酸酯钠盐(型号M-12S)、烯丙基磺酸钠、甲基丙烯磺酸钠、2-丙烯酰胺-2-甲基丙磺酸钠中的一种或多种;
所述底涂胶中,外交联剂为水溶性海因环氧树脂、异氰酸酯中的一种或两种;
所述底涂胶中,引发剂为过硫酸钠、过硫酸钾、过硫酸铵、2,2’-偶氮(2-甲基丙基脒)二盐酸中的一种或多种。
所述背涂胶包括以下组分,各组分质量百分比计为:
上述各组分的质量百分比之和为100%;
所述背涂胶中,亲水交联单体选自丙烯酸二甲基氨基乙酯、甲基丙烯酸二甲基氨基乙酯、丙烯酸羟乙酯、2-丙烯酸-4-羟丙酯、β-丙烯酰氧基丙酸、甲基丙烯酸、丙烯酸、丙烯酰胺中的一种或多种;
所述背涂胶中,提高附着力单体选自改性二丙烯酸金属盐、二甲基丙烯酸金属盐、烷基丙烯酸酯磷酸酯、甲基丙烯酰氧乙基磷酸酯、乙二醇甲基丙烯酸酯磷酸酯、乙烯基硅烷、3-甲基丙烯酰氧基丙基三异丙氧基硅烷、3-甲基丙烯酰氧基丙基三乙氧基硅烷、环氧树脂中的一种或多种;
所述背涂胶中,疏水性单体选自丙烯酸乙酯、丙烯酸丁酯、丙烯酸异辛酯、甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸丁酯中的一种或多种;
所述背涂胶中,乳化剂选自烯丙氧基壬基酚聚氧乙烯醚、烯丙氧基壬基酚聚氧乙烯醚硫酸盐、乙烯基磺酸钠、烯丙基磺酸钠、甲基丙烯磺酸钠、烯丙氧基羟丙基磺酸钠、2-丙烯酰胺-2-甲基丙磺酸钠、对苯乙烯磺酸钠中的一种或多种;
所述背涂胶中,外交联剂为有机硅交联剂、封闭型氮丙啶交联剂中的一种或两种;
所述背涂胶中,引发剂为过硫酸钠、过硫酸钾、过硫酸铵、2,2’-偶氮(2-甲基丙基脒)二盐酸中的一种或多种。
所述面涂胶包括以下组分,各组分质量百分比计为:
各组分质量百分比之和为100%;
所述面涂胶中,含双键聚硅氧烷单体选自单丙烯酸酯封端聚硅氧烷、单乙烯基聚硅氧烷中的一种或多种;
所述面涂胶中,疏水单体选自丙烯酸乙酯、丙烯酸丁酯、丙烯酸异辛酯、甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸丁酯、甲基丙烯酸异冰片酯、甲基苯乙烯中的一种或多种;
所述面涂胶中,亲水单体选自丙烯酸二甲基氨基乙酯、甲基丙烯酸二甲基氨基乙酯、β-丙烯酰氧基丙酸、甲基丙烯酸、丙烯酸、丙烯酰胺中的一种或多种;
所述面涂胶中,乳化剂选自烯丙氧基壬基酚聚氧乙烯醚、烯丙氧基壬基酚聚氧乙烯醚硫酸盐、乙烯基磺酸钠、烯丙基磺酸钠、甲基丙烯磺酸钠、烯丙氧基羟丙基磺酸钠、2-丙烯酰胺-2-甲基丙磺酸钠、对苯乙烯磺酸钠中的一种或多种;
所述面涂胶中,引发剂选自过硫酸钠、过硫酸钾、过硫酸铵、2,2’-偶氮(2-甲基丙基脒)二盐酸中的一种或多种;
所述面涂胶中,中和剂选自氨水、N,N-二甲基乙醇胺、三乙胺、2-氨基-2-甲基-1-丙醇中的一种或多种;
所述面涂胶中,外交联剂选自水性碳化二亚胺、水性有机硅交联剂、水性封闭型异氰酸酯、水性封闭型氮丙啶中的一种或多种。
优选的方案,所述消泡剂为巴斯夫NXZ;所述防霉杀菌剂为KATHON CG杀菌剂。
优选的,所述底涂胶的外交联剂中,水溶性海因环氧树脂为MHR070、MHR154、MHR154B中的一种或多种;异氰酸酯为80~130℃解封的封闭型异氰酸酯。
优选的,所述底涂胶还包括适量的水,水的加入量为底涂胶组分总量的100%~500%。
本发明还提供了所述底涂胶的制备方法,具体为:
(1)将亲水交联单体、渗透性单体、疏水性单体、内交联单体混合均匀,加入到单体高位滴加槽中;
(2)将引发剂和部分去离子水混合均匀加入到引发剂高位滴加槽中;
(3)剩余部分去离子水作为反应底液,升温至70℃~97℃;
(4)向底液中加入少量引发剂溶液,反应10min~40min后,同步滴加剩余引发剂溶液和单体溶液,滴加1.5h~5h,保温0.5h~2.5h,然后冷却;
(5)依次加入设定比例的外交联剂、消泡剂、防霉杀菌剂,混合均匀,即得。
进一步,所述背涂胶的提高附着力单体中,乙烯基硅烷为乙烯基三乙氧基硅烷、乙烯基三异丙氧基硅烷、乙烯基三异丙烯氧基硅烷、乙烯基三乙酰氧硅烷、乙烯基三(2-甲氧基乙氧基)硅烷中的一种或多种;环氧树脂为E44、E51、F51、E20中的一种或多种。
进一步,所述背涂胶的外交联剂中,有机硅交联剂为万骏化工C32、北京佰源化工Silicone 9302/9301/9312中的一种或多种;封闭型氮丙啶交联剂为万骏化工C5、万骏化工/>C64中的一种或两种。
进一步,所述背涂胶还包括适量的水,水的加入量为背涂胶组分总量的100%~500%。
本发明还提供了所述背涂胶的制备方法,具体为:
S1、将亲水交联单体、提高附着力单体、疏水性单体、乳化剂、部分去离子水高速分散成预乳液,加入到单体高位滴加槽中;
S2、将引发剂和部分去离子水混合均匀后,加入到引发剂高位滴加槽中;
S3、将剩余部分去离子水加入反应器,作为反应底液,升温至70℃~97℃;
S4、向底液中加入少量引发剂溶液,反应10min~40min后,同步滴加剩余引发剂溶液和预乳液,滴加1.5h~5h,保温0.5h~2.5h,然后冷却;
S5、依次加入设定比例的外交联剂、消泡剂、防霉杀菌剂,混合均匀,即得。
作为优选,所述面涂胶的含双键聚氨酯树脂,由以下原料按重量百分比制成:
各组分质量百分比之和为100%;
所述二异氰酸酯为甲苯二异氰酸酯、异佛尔酮二异氰酸酯、二聚酸二异氰酸酯、4,4’-二苯基甲烷二异氰酸酯、六亚甲基二异氰酸酯中的一种或多种;
所述多元醇为聚乙二醇、聚丙二醇、聚碳酸酯多元醇、聚己内酯多元醇中的一种或多种;
所述亲水扩链剂为二羟甲基丙酸、二羟甲基丁酸、1,2-丙二醇-3-磺酸钠、1,2-二羟基-3-丙磺酸钠、1,4-丁二醇-2-磺酸钠中的一种或多种;
所述羟基丙烯酸酯单体为丙烯酸羟乙酯、甲基丙烯酸羟乙酯、丙烯酸羟丙酯、丙烯酸羟丁酯中的一种或多种;
所述催化剂为二月桂酸二丁基锡。
作为优选,所述含双键聚氨酯树脂的制备过程为:
1)将多元醇、亲水扩链剂、催化剂和二异氰酸酯分别在真空条件下进行脱水干燥,得到脱水后的产物;
2)在反应釜中加入脱水后的多元醇、亲水扩链剂、催化剂,通氮气,然后滴加脱水后的二异氰酸酯,升温到50~90℃反应2~5小时;
3)降温至60~70℃,加入羟基丙烯酸酯单体,反应2~3小时;
4)降温至30~50℃,加水进行乳化,即得到含双键聚氨酯树脂。
作为优选,所述面涂胶的制备方法,具体为:
S1、将含双键聚氨酯树脂、含双键聚硅氧烷单体、疏水单体、亲水单体、乳化剂、去离子水高速分散成预乳液,加入到单体高位滴加槽中;
S2、将引发剂和部分去离子水混合均匀加入到引发剂高位滴加槽中;
S3、将部分去离子水加入反应器,作为反应底液,升温至70℃~97℃;
S4、向底液中加入少量引发剂溶液,反应10min~40min后,同步滴加剩余引发剂溶液、预乳液,滴加1.5h~5h,保温0.5h~2.5h,然后冷却;
S5、依次加入中和剂、外交联剂、消泡剂、防霉杀菌剂,混合均匀,得到所述浸渍纸用面涂胶。
本发明的有益技术效果为:
1)本发明解决了传统浸胶膜纸用三聚氰胺胶、脲醛胶带来的甲醛释放问题,为家居装饰实现真正的无醛化。
2)本发明制得的无醛浸渍底涂胶在树脂结构上引入渗透性单体,其树脂水溶性较好、粒径小,提高了底涂胶液对纸张的渗透性,解决了纸张胶液渗透不均匀,造成纸张容易断裂的问题;同时也解决了由于外添加渗透剂引起的小分子迁移导致的耐水性差的问题。
3)本发明制得的无醛浸渍背涂胶,通过在树脂结构上引入提高附着力单体,以增加纸张、板材上的羟基结合反应的官能团,提高纸张与板材压贴的粘结强度,解决了浸渍纸压贴板材粘结性不良的问题。
4)本发明制得的无醛浸渍面涂胶,通过引入带有自润滑作用的多元醇,以及聚硅氧烷形成的有机硅改性聚氨酯\丙烯酸酯的交叉网络结构,解决了现有无醛新技术存在的面涂胶硬度不够、不耐划伤问题。利用碳化二亚胺、有机硅交联剂、异氰酸酯、氮丙啶与羧基、羟基多重交联,不仅解决了现有无醛新技术存在的面涂胶不耐酒精、不耐水的问题,同时也解决了面涂胶固化时间长、不脱模、易吸潮的问题。
5)本发明所述浸胶膜纸的胶液中不含有机溶剂,实现了真正的零VOC排放。
具体实施方式
本实施例如无特殊说明,使用的试剂均为普通市售产品或者通过常规手段制备获得,采用的设备均为本领域内的常规设备,以下是发明人在试验中的部分实施例:
本发明一种新型无醛浸胶膜纸的制备方法,包括以下步骤:
步骤1.将原纸浸泡在底涂胶中,然后将浸渍后的原纸取出烘干,烘干温度为80~130℃,得到正反面均涂覆底涂胶的原纸;
步骤2.在涂覆底涂胶的原纸靠基材一侧涂覆背涂胶,在其另一侧涂覆面胶,烘干处理后,烘干温度为100~160℃,得到新型无醛浸胶膜纸;
步骤3.将新型无醛浸胶膜纸涂覆背涂胶一侧与基材进行贴面热压,热压温度为120~200℃,压力为5~20MPa,热压时间为20~60秒,完成浸渍纸与基材的固化粘接。
下面通过具体实施例和附图对本发明进一步说明。
实施例1
本发明一种新型无醛浸胶膜纸的制备方法,包括以下步骤:
步骤1.将原纸浸泡在底涂胶中,然后将浸渍后的原纸取出烘干,烘干温度为100℃,得到正反面均涂覆底涂胶的原纸;
步骤2.在涂覆底涂胶的原纸靠基材一侧涂覆背涂胶,在其另一侧涂覆面胶,烘干处理后,烘干温度为120℃,得到新型无醛浸胶膜纸;
步骤3.将新型无醛浸胶膜纸涂覆背涂胶一侧与基材进行贴面热压,热压温度为180℃,压力为10MPa,热压时间为20秒,完成浸渍纸与基材的固化粘接。
底涂胶包括以下组分,各组分质量百分比计为:
亲水交联单体:25%甲基丙烯酸、15%丙烯酸;
疏水性单体:20%丙烯酸乙酯、5%甲基丙烯酸甲酯、5%苯乙烯;
内交联单体:0.5%三羟基丙烷三丙烯酸酯;
渗透性单体:7.5%烯丙基的烷基磺基琥珀酸酯钠盐(型号M-12S,采购自上海忠诚精细化工有限公司)、10%2-丙烯酰胺-2-甲基丙磺酸钠;
外交联剂:6%异氰酸酯;
引发剂:5%过硫酸钾;
0.5%巴斯夫NXZ;
0.5%KATHON CG杀菌剂;
233%去离子水。
底涂胶的制备方法,具体为:
(1)将亲水交联单体、渗透性单体、疏水性单体、内交联单体混合均匀,加入到单体高位滴加槽中;
(2)将引发剂和部分去离子水混合均匀加入到引发剂高位滴加槽中;
(3)剩余部分去离子水作为反应底液,升温至87℃;
(4)向底液中加入少量引发剂溶液,反应10min后,同步滴加剩余引发剂溶液和单体溶液,滴加3.5h,保温2h,然后冷却;
(5)依次加入设定比例的外交联剂、消泡剂、防霉杀菌剂,混合均匀,即得。
背涂胶的配方为:
亲水交联单体:10%甲基丙烯酸、8%丙烯酸;
提高附着力单体:5%乙二醇甲基丙烯酸酯磷酸酯、5%环氧树脂E51;
疏水性单体:30%丙烯酸异辛酯、10%甲基丙烯酸甲酯、20%苯乙烯;
乳化剂:3%烯丙氧基壬基酚聚氧乙烯醚硫酸盐、2%2-丙烯酰胺-2-甲基丙磺酸钠;
外交联剂:3%万骏化工C5、3%万骏化工/>C32;
引发剂:0.6%过硫酸钾;
0.2%消泡剂;
0.2%防霉杀菌剂;
150%去离子水。
背涂胶的制备方法,具体为:
S1、将亲水交联单体、提高附着力单体、疏水性单体、乳化剂、部分去离子水高速分散成预乳液,加入到单体高位滴加槽中;
S2、将引发剂和部分去离子水混合均匀后,加入到引发剂高位滴加槽中;
S3、将剩余部分去离子水加入反应器,作为反应底液,升温至87℃;
S4、向底液中加入少量引发剂溶液,反应20min后,同步滴加剩余引发剂溶液和预乳液,滴加2.5h,保温2h,然后冷却;
S5、依次加入设定比例的外交联剂、消泡剂、防霉杀菌剂,混合均匀,即得。
面胶的配方为:
40%含双键聚氨酯树脂;
含双键聚硅氧烷单体:3%单丙烯酸酯封端聚硅氧烷;
疏水单体:15%丙烯酸异辛酯、5%苯乙烯、10%甲基丙烯酸异冰片酯;
亲水单体:1.5%甲基丙烯酸、0.5%丙烯酰胺;
乳化剂:1%烯丙氧基壬基酚聚氧乙烯醚硫酸盐,1%烯丙氧基羟丙基磺酸钠;
引发剂:0.5%过硫酸钾;
中和剂:1%N,N-二甲基乙醇胺;
外交联剂:1%水性封闭型氮丙啶;
0.2%消泡剂;
0.3%防霉杀菌剂;
20%去离子水;
上述各组分用量均按总配方量计算;
其中,含双键聚氨酯树脂由以下原料按重量百分比制成:
二异氰酸酯:10%六亚甲基二异氰酸酯;
多元醇:10%聚乙二醇、10%聚碳酸酯多元醇;
亲水扩链剂:1.8%1,2-二羟基-3-丙磺酸钠;
羟基丙烯酸酯单体:5%甲基丙烯酸羟乙酯;
催化剂:0.2%二月桂酸二丁基锡;
63%去离子水;
含双键聚氨酯树脂的制备过程为:
1)将多元醇、亲水扩链剂、催化剂和二异氰酸酯分别在真空条件下进行脱水干燥,得到脱水后的多元醇、亲水扩链剂、催化剂和二异氰酸酯;
2)在反应釜中加入脱水后的多元醇、亲水扩链剂、催化剂,通氮气,然后滴加脱水后的二异氰酸酯,升温到80℃反应3小时;
3)降温至65℃,加入羟基丙烯酸酯单体,反应3小时;
4)降温至40℃,加水进行乳化,即得到含双键聚氨酯树脂。
面涂胶的制备方法,具体为:
S1、将含双键聚氨酯树脂、含双键聚硅氧烷单体、疏水单体、亲水单体、乳化剂、去离子水高速分散成预乳液,加入到单体高位滴加槽中;
S2、将引发剂和部分去离子水混合均匀加入到引发剂高位滴加槽中;
S3、将部分去离子水加入反应器,作为反应底液,升温至87℃;
S4、向底液中加入少量引发剂溶液,反应10min后,同步滴加剩余引发剂溶液、预乳液,滴加3h,保温2h,然后冷却;
S5、依次加入中和剂、外交联剂、消泡剂、防霉杀菌剂,混合均匀,得到所述面涂胶。
对热压后的浸渍纸的表面性能进行相关测试,具体如表1所示。
表1热压后的浸渍纸的表面性能测试结果
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (10)
1.一种无醛浸胶膜纸的制备方法,其特征在于,包括以下步骤:
S1.将原纸浸泡在底涂胶中,然后将浸渍后的原纸取出烘干,得到正反面均涂覆底涂胶的原纸;
S2.在步骤S1所得涂覆底涂胶的原纸靠基材一侧涂覆背涂胶,在其另一侧涂覆面涂胶,烘干处理后,得到所述无醛浸胶膜纸;
S3.将步骤S2所得无醛浸胶膜纸涂覆背涂胶一侧与基材进行贴面热压,完成浸胶膜纸与基材的固化粘接;
所述底涂胶包括以下组分,各组分质量百分比计为:
上述各组分的质量百分比之和为100%;
所述底涂胶中,亲水交联单体为丙烯酸羟乙酯、2-丙烯酸-4-羟丙酯、β-丙烯酰氧基丙酸、甲基丙烯酸、丙烯酸、丙烯酰胺中的一种或多种;
所述底涂胶中,疏水性单体为丙烯酸乙酯、丙烯酸丁酯、丙烯酸异辛酯、甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸丁酯中的一种或多种;
所述底涂胶中,内交联单体为三羟基丙烷三丙烯酸酯、三羟甲基丙烷三丙烯酸酯、三羟基己烷三丙烯酸酯、季戊四醇三丙烯酸酯、聚三羟甲基丙烷三丙烯酸酯、乙氧基化三羟甲基丙烷三丙烯酸酯、乙二醇二甲基丙烯酸酯中的一种或多种;
所述底涂胶中,渗透性单体为双键封端聚醚改性有机硅、烯丙醇聚氧烷基醚、烯丙基聚醚磷酸铵盐、烯丙基的烷基醇醚磺基琥珀酸双酯钠盐M-16S、烯丙基的烷基磺基琥珀酸酯钠盐M-12S、烯丙基磺酸钠、甲基丙烯磺酸钠、2-丙烯酰胺-2-甲基丙磺酸钠中的一种或多种;
所述底涂胶中,外交联剂为水溶性海因环氧树脂、异氰酸酯中的一种或两种;
所述底涂胶中,引发剂为过硫酸钠、过硫酸钾、过硫酸铵、2,2’-偶氮(2-甲基丙基脒)二盐酸中的一种或多种;
所述背涂胶包括以下组分,各组分质量百分比计为:
上述各组分的质量百分比之和为100%;
所述背涂胶中,亲水交联单体选自丙烯酸二甲基氨基乙酯、甲基丙烯酸二甲基氨基乙酯、丙烯酸羟乙酯、2-丙烯酸-4-羟丙酯、β-丙烯酰氧基丙酸、甲基丙烯酸、丙烯酸、丙烯酰胺中的一种或多种;
所述背涂胶中,提高附着力单体选自改性二丙烯酸金属盐、二甲基丙烯酸金属盐、烷基丙烯酸酯磷酸酯、甲基丙烯酰氧乙基磷酸酯、乙二醇甲基丙烯酸酯磷酸酯、乙烯基硅烷、3-甲基丙烯酰氧基丙基三异丙氧基硅烷、3-甲基丙烯酰氧基丙基三乙氧基硅烷、环氧树脂中的一种或多种;
所述背涂胶中,疏水性单体选自丙烯酸乙酯、丙烯酸丁酯、丙烯酸异辛酯、甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸丁酯中的一种或多种;
所述背涂胶中,乳化剂选自烯丙氧基壬基酚聚氧乙烯醚、烯丙氧基壬基酚聚氧乙烯醚硫酸盐、乙烯基磺酸钠、烯丙基磺酸钠、甲基丙烯磺酸钠、烯丙氧基羟丙基磺酸钠、2-丙烯酰胺-2-甲基丙磺酸钠、对苯乙烯磺酸钠中的一种或多种;
所述背涂胶中,外交联剂为有机硅交联剂、封闭型氮丙啶交联剂中的一种或两种;
所述背涂胶中,引发剂为过硫酸钠、过硫酸钾、过硫酸铵、2,2’-偶氮(2-甲基丙基脒)二盐酸中的一种或多种;
所述面涂胶包括以下组分,各组分质量百分比计为:
各组分质量百分比之和为100%;
所述面涂胶中,含双键聚硅氧烷单体选自单丙烯酸酯封端聚硅氧烷、单乙烯基聚硅氧烷中的一种或多种;
所述面涂胶中,疏水单体选自丙烯酸乙酯、丙烯酸丁酯、丙烯酸异辛酯、甲基丙烯酸甲酯、苯乙烯、甲基丙烯酸丁酯、甲基丙烯酸异冰片酯、甲基苯乙烯中的一种或多种;
所述面涂胶中,亲水单体选自丙烯酸二甲基氨基乙酯、甲基丙烯酸二甲基氨基乙酯、β-丙烯酰氧基丙酸、甲基丙烯酸、丙烯酸、丙烯酰胺中的一种或多种;
所述面涂胶中,乳化剂选自烯丙氧基壬基酚聚氧乙烯醚、烯丙氧基壬基酚聚氧乙烯醚硫酸盐、乙烯基磺酸钠、烯丙基磺酸钠、甲基丙烯磺酸钠、烯丙氧基羟丙基磺酸钠、2-丙烯酰胺-2-甲基丙磺酸钠、对苯乙烯磺酸钠中的一种或多种;
所述面涂胶中,引发剂选自过硫酸钠、过硫酸钾、过硫酸铵、2,2’-偶氮(2-甲基丙基脒)二盐酸中的一种或多种;
所述面涂胶中,中和剂选自氨水、N,N-二甲基乙醇胺、三乙胺、2-氨基-2-甲基-1-丙醇中的一种或多种;
所述面涂胶中,外交联剂选自水性碳化二亚胺、水性有机硅交联剂、水性封闭型异氰酸酯、水性封闭型氮丙啶中的一种或多种。
2.根据权利要求1所述无醛浸胶膜纸的制备方法,其特征在于,所述消泡剂为巴斯夫NXZ;所述防霉杀菌剂为KATHON CG杀菌剂。
3.根据权利要求1所述无醛浸胶膜纸的制备方法,其特征在于,所述底涂胶的外交联剂中,水溶性海因环氧树脂为MHR070、MHR154、MHR154B中的一种或多种;所述异氰酸酯为80~130℃解封的封闭型异氰酸酯。
4.根据权利要求1所述无醛浸胶膜纸的制备方法,其特征在于,所述底涂胶还包括适量的水,水的加入量为底涂胶组分总量的100%~500%。
5.根据权利要求4所述无醛浸胶膜纸的制备方法,其特征在于,所述底涂胶的制备方法,具体为:
(1)将亲水交联单体、渗透性单体、疏水性单体、内交联单体混合均匀,加入到单体高位滴加槽中;
(2)将引发剂和部分去离子水混合均匀加入到引发剂高位滴加槽中;
(3)剩余部分去离子水作为反应底液,升温至70℃~97℃;
(4)向底液中加入少量引发剂溶液,反应10min~40min后,同步滴加剩余引发剂溶液和单体溶液,滴加1.5h~5h,保温0.5h~2.5h,然后冷却;
(5)依次加入设定比例的外交联剂、消泡剂、防霉杀菌剂,混合均匀,即得。
6.根据权利要求1所述无醛浸胶膜纸的制备方法,其特征在于,所述背涂胶的提高附着力单体中,乙烯基硅烷为乙烯基三乙氧基硅烷、乙烯基三异丙氧基硅烷、乙烯基三异丙烯氧基硅烷、乙烯基三乙酰氧硅烷、乙烯基三(2-甲氧基乙氧基)硅烷中的一种或多种;环氧树脂为E44、E51、F51、E20中的一种或多种;
所述背涂胶的外交联剂中,有机硅交联剂为万骏化工C32、北京佰源化工Silicone 9302/9301/9312中的一种或多种;封闭型氮丙啶交联剂为万骏化工/>C5、万骏化工/>C64中的一种或两种。
7.根据权利要求1所述无醛浸胶膜纸的制备方法,其特征在于,所述背涂胶还包括适量的水,水的加入量为背涂胶组分总量的100%~500%。
8.根据权利要求7所述无醛浸胶膜纸的制备方法,其特征在于,所述背涂胶的制备方法,具体为:
S1、将亲水交联单体、提高附着力单体、疏水性单体、乳化剂、部分去离子水高速分散成预乳液,加入到单体高位滴加槽中;
S2、将引发剂和部分去离子水混合均匀后,加入到引发剂高位滴加槽中;
S3、将剩余部分去离子水加入反应器,作为反应底液,升温至70℃~97℃;
S4、向底液中加入少量引发剂溶液,反应10min~40min后,同步滴加剩余引发剂溶液和预乳液,滴加1.5h~5h,保温0.5h~2.5h,然后冷却;
S5、依次加入设定比例的外交联剂、消泡剂、防霉杀菌剂,混合均匀,即得。
9.根据权利要求1所述无醛浸胶膜纸的制备方法,其特征在于,所述面涂胶的含双键聚氨酯树脂,由以下原料按重量百分比制成:
各组分质量百分比之和为100%;
所述二异氰酸酯为甲苯二异氰酸酯、异佛尔酮二异氰酸酯、二聚酸二异氰酸酯、4,4’-二苯基甲烷二异氰酸酯、六亚甲基二异氰酸酯中的一种或多种;
所述多元醇为聚乙二醇、聚丙二醇、聚碳酸酯多元醇、聚己内酯多元醇中的一种或多种;
所述亲水扩链剂为二羟甲基丙酸、二羟甲基丁酸、1,2-丙二醇-3-磺酸钠、1,2-二羟基-3-丙磺酸钠、1,4-丁二醇-2-磺酸钠中的一种或多种;
所述羟基丙烯酸酯单体为丙烯酸羟乙酯、甲基丙烯酸羟乙酯、丙烯酸羟丙酯、丙烯酸羟丁酯中的一种或多种;
所述催化剂为二月桂酸二丁基锡;
所述含双键聚氨酯树脂的制备过程为:
1)将多元醇、亲水扩链剂、催化剂和二异氰酸酯分别在真空条件下进行脱水干燥,得到脱水后的产物;
2)在反应釜中加入脱水后的多元醇、亲水扩链剂、催化剂,通氮气,然后滴加脱水后的二异氰酸酯,升温到50~90℃反应2~5小时;
3)降温至60~70℃,加入羟基丙烯酸酯单体,反应2~3小时;
4)降温至30~50℃,加水进行乳化,即得到含双键聚氨酯树脂。
10.根据权利要求1所述无醛浸胶膜纸的制备方法,其特征在于,所述面涂胶的制备方法,具体为:
S1、将含双键聚氨酯树脂、含双键聚硅氧烷单体、疏水单体、亲水单体、乳化剂、去离子水高速分散成预乳液,加入到单体高位滴加槽中;
S2、将引发剂和部分去离子水混合均匀加入到引发剂高位滴加槽中;
S3、将部分去离子水加入反应器,作为反应底液,升温至70℃~97℃;
S4、向底液中加入少量引发剂溶液,反应10min~40min后,同步滴加剩余引发剂溶液、预乳液,滴加1.5h~5h,保温0.5h~2.5h,然后冷却;
S5、依次加入中和剂、外交联剂、消泡剂、防霉杀菌剂,混合均匀,得到所述面涂胶。
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