CN116925681A - 一种贴合粗糙板面保护膜用水性压敏胶及其制备方法 - Google Patents
一种贴合粗糙板面保护膜用水性压敏胶及其制备方法 Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000004820 Pressure-sensitive adhesive Substances 0.000 title claims abstract description 42
- 230000001681 protective effect Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 238000010030 laminating Methods 0.000 title description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 21
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 21
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims abstract description 20
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 17
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 17
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims abstract description 14
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 14
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims abstract description 14
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 14
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 claims abstract description 13
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims abstract description 13
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000839 emulsion Substances 0.000 claims description 36
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 7
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 6
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 6
- 239000011259 mixed solution Substances 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 6
- SFNALCNOMXIBKG-UHFFFAOYSA-N ethylene glycol monododecyl ether Chemical compound CCCCCCCCCCCCOCCO SFNALCNOMXIBKG-UHFFFAOYSA-N 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000000314 lubricant Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 2
- 229920001577 copolymer Polymers 0.000 description 7
- 239000000178 monomer Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- C08F2/00—Processes of polymerisation
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- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
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Abstract
本发明公开了一种贴合粗糙板面保护膜用水性压敏胶及其制备方法,由RO水100‑130份、异构十三醇聚氧乙烯醚0.4‑0.6份、月桂醇聚氧乙烯醚0.2‑0.3份、十二烷基苯磺酸钠0.2‑0.3份、过硫酸铵0.2‑0.4份、丙烯酸0.8‑1.2份、N‑羟甲基丙烯酰胺0.6‑1.0份、甲基丙烯酸羟乙酯0.6‑1.0份、苯乙烯6‑10份、叔碳酸乙烯酯VV‑10 15‑25份、丙烯酸丁酯90‑120份制备而成,制备方法包括制备预乳化液、制备种子乳液和制备聚丙烯酸酯压敏胶乳液等步骤;本发明的优点在于:具备良好的耐水性、较低的表面张力,提高了压敏胶对粗糙表面的亲和力,得到的保护膜无起翘、脱落,提高了产品质量。
Description
技术领域
本发明涉及一种压敏胶,具体地说是一种贴合粗糙板面保护膜用水性压敏胶及其制备方法,属于水性压敏胶领域。
背景技术
压敏胶制品广泛应用于包装、电器电子、建筑、医疗卫生、汽车和家庭生活用品等各个行业,起到捆扎、保护、密封、绝缘和固定等各种粘接作用。可剥离型压敏胶膜由于其具有良好的可再剥离性能,再剥离时在基底材料上不留残胶,不破坏基底材料表面性能,因此在汽车、家用电器、家具以及一些高光洁度材料表面临时保护膜等领域中日益受到人们的重视,其需求量和应用范围都在扩大,呈不断上升的趋势。
现有技术制备的水性压敏胶制备的保护膜贴覆粗糙板面随着放置时间出现保护膜起翘或脱落现象。
发明内容
为了解决上述问题,本发明设计了一种贴合粗糙板面保护膜用水性压敏胶及其制备方法,通过引入了叔碳酸乙烯酯单体共聚使其制备的压敏胶具备良好的耐水性、较低的表面张力,提高了压敏胶对粗糙表面的亲和力,得到的保护膜无起翘、脱落,提高了产品质量。
本发明的技术方案为:
一种贴合粗糙板面保护膜用水性压敏胶,由以下重量份的原料制备而成:
水:110-140份;
异构十三醇聚氧乙烯醚:0.4-0.6份;
月桂醇聚氧乙烯醚:0.2-0.3份;
十二烷基苯磺酸钠:0.2-0.3份;
过硫酸铵:0.5-0.8份;
丙烯酸:0.8-1.2份;
N-羟甲基丙烯酰胺:0.6-1.0份;
甲基丙烯酸羟乙酯:0.6-1.0份;
苯乙烯:6-10份;
叔碳酸乙烯酯VV-10:15-25份;
丙烯酸丁酯:90-120份。
上述各组分中:异构十三醇聚氧乙烯醚、月桂醇聚氧乙烯醚、十二烷基苯磺酸钠作为复配乳化剂,可以提高乳液的乳化效果和稳定性;
过硫酸铵为引发剂,丙烯酸、N-羟甲基丙烯酰胺、甲基丙烯酸羟乙酯作为功能单体,引入可以交联的官能团;
苯乙烯作为硬单体提供压敏胶的内聚力和强度,丙烯酸丁酯作为软单体提供压敏胶的柔软性、初粘性;
叔碳酸乙烯酯具有强疏水性,高度支链化,并随机分布于叔碳酸乙烯酯和醋酸乙烯酯等共聚物之上,将自身的优势带入到所形成的共聚物上来,这种作用称为盾牌效应,该效应使得其所形成的共聚物有出色的特点。通过空间位阻作用,保护酯键免于碱性水解,光分解,生物侵蚀等;增加共聚物的憎水性,使之不被水溶解破坏;降低共聚物的最低成膜温度,增加柔韧性;有助于降低共聚物的表面张力,增加粘结力等。
上述贴合粗糙板面保护膜用水性压敏胶的制备方法,包括以下步骤:
(1)制备预乳化液:将44-56份水、0.4-0.6份异构十三醇聚氧乙烯醚、0.2-0.3份月桂醇聚氧乙烯醚、0.2-0.3份十二烷基苯磺酸钠、0.2-0.32份过硫酸铵、0.8-1.2份丙烯酸、6-10份苯乙烯、0.6-1.0份N-羟甲基丙烯酰胺、0.6-1.0份甲基丙烯酸羟乙酯、15-25份叔碳酸乙烯酯VV-10、90-120份丙烯酸丁酯加入到三口烧瓶中,300-400r/min分散20-30min成稳定的预乳化液;
(2)制备种子乳液:将55-70份水加入到四口烧瓶中,加热升温至70℃时加入步骤(1)所得的预乳化液的5-7%wt;待温度升高至75℃时加入剩余的0.3-0.48份过硫酸铵和剩余11-14份水的混合溶液,继续升温至82-85℃,反应20-30min;
(3)制备聚丙烯酸酯压敏胶乳液:缓慢滴加步骤(1)剩余的预乳化液,于3-4h滴完;滴加完毕后,在85-88℃保温2h,降温到40-50℃加入氨水调节pH=7,搅拌20-35min后过滤出料。
本发明中引入了叔碳酸乙烯酯单体共聚使其制备的压敏胶具备良好的耐水性、较低的表面张力,提高了压敏胶对粗糙表面的亲和力。
本发明的优点在于:现有技术制备的水性压敏胶表面张力相对较高,耐水性不佳,涂布的保护膜贴覆粗糙板面尤其磨砂类表面,初粘尚可,保护膜贴覆后放置几个小时后开始起空严重者脱落;本发明制备的压敏胶涂布保护膜贴覆磨砂类表面相同环境下放置同样时间保护膜无起翘、脱落。
下面结合具体实施例对本发明作进一步说明。
具体实施方式
以下对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
本发明中涉及到的百分号“%”,若未特别说明,是指质量百分比;但溶液的百分比,除另有规定外,是指溶液100ml中含有溶质若干克;液体之间的百分比,是指20℃时容量的比例;本发明中涉及到的份指的是质量份数。
实施例一
一种贴合粗糙板面保护膜用水性压敏胶,由以下重量份的原料制备而成:
水:140份;
异构十三醇聚氧乙烯醚:0.6份;
月桂醇聚氧乙烯醚:0.3份;
十二烷基苯磺酸钠:0.3份;
过硫酸铵:0.8份;
丙烯酸:1.2份;
N-羟甲基丙烯酰胺:1.0份;
甲基丙烯酸羟乙酯:1.0份;
苯乙烯:10份;
叔碳酸乙烯酯VV-10:25份;
丙烯酸丁酯:120份。
一种粗糙板面保护膜用水性压敏胶的制备方法,包括以下步骤:
(1)制备预乳化液:将56份水、0.6份异构十三醇聚氧乙烯醚E-1340、0.3份月桂醇聚氧乙烯醚MOA-3、0.3份十二烷基苯磺酸钠K12、0.32份过硫酸铵、1.2份丙烯酸、10份苯乙烯、1份 N-羟甲基丙烯酰胺、1份甲基丙烯酸羟乙酯、25份叔碳酸乙烯酯VV-10、120份丙烯酸丁酯加入到三口烧瓶中,300r/min分散20min成稳定的预乳化液;
(2)制备种子乳液:将70份水加入到四口烧瓶中,加热升温至70℃时加入步骤(1)所得的15.03份预乳化液;待温度升高至75℃时加入剩余的过硫酸铵0.48份和剩余水14份的混合溶液,继续升温至82℃,反应20min;
(3)制备聚丙烯酸酯压敏胶乳液:缓慢滴加步骤(1)剩余的预乳化液,于3h滴完;滴加完毕后,在85℃保温2h,降温到40℃加入氨水调节pH=7,搅拌20min后过滤出料。
实施例二
一种贴合粗糙板面保护膜用水性压敏胶,由以下重量份的原料制备而成:
水:110份;
异构十三醇聚氧乙烯醚:0.4份;
月桂醇聚氧乙烯醚:0.2份;
十二烷基苯磺酸钠:0.2份;
过硫酸铵:0.5份;
丙烯酸:0.8份;
N-羟甲基丙烯酰胺:0.6份;
甲基丙烯酸羟乙酯:0.6份;
苯乙烯:6份;
叔碳酸乙烯酯VV-10:15份;
丙烯酸丁酯:90份。
一种粗糙板面保护膜用水性压敏胶的制备方法,包括以下步骤:
(1)制备预乳化液:将44份水、0.4份异构十三醇聚氧乙烯醚E-1340、0.2份月桂醇聚氧乙烯醚MOA-3、0.2份十二烷基苯磺酸钠K12、0.2份过硫酸铵、0.8份丙烯酸、6份苯乙烯、0.6份 N-羟甲基丙烯酰胺、0.6份甲基丙烯酸羟乙酯、15份叔碳酸乙烯酯VV-10、90份丙烯酸丁酯加入到三口烧瓶中,400r/min分散30min成稳定的预乳化液;
(2)制备种子乳液:将55份水加入到四口烧瓶中,加热升温至70℃时加入步骤(1)所得的7.9份预乳化液;待温度升高至75℃时加入剩余的过硫酸铵0.3份和剩余水11份的混合溶液,继续升温至85℃,反应30min;
(3)制备聚丙烯酸酯压敏胶乳液:缓慢滴加步骤(1)剩余的预乳化液,于4h滴完;滴加完毕后,在88℃保温2h,降温到50℃加入氨水调节pH=7,搅拌20min后过滤出料。
实施例三
一种贴合粗糙板面保护膜用水性压敏胶,由以下重量份的原料制备而成:
水:125份;
异构十三醇聚氧乙烯醚:0.5份;
月桂醇聚氧乙烯醚:0.25份;
十二烷基苯磺酸钠:0.25份;
过硫酸铵:0.65份;
丙烯酸:1份;
N-羟甲基丙烯酰胺:0.8份;
甲基丙烯酸羟乙酯:0.8份;
苯乙烯:8份;
叔碳酸乙烯酯VV-10:20份;
丙烯酸丁酯:105份。
一种粗糙板面保护膜用水性压敏胶的制备方法,包括以下步骤:
(1)制备预乳化液:将50份水、0.5份异构十三醇聚氧乙烯醚E-1340、0.25份月桂醇聚氧乙烯醚MOA-3、0.25份十二烷基苯磺酸钠K12、0.26份过硫酸铵、1份丙烯酸、8份苯乙烯、0.8份 N-羟甲基丙烯酰胺、0.8份甲基丙烯酸羟乙酯、20份叔碳酸乙烯酯VV-10、105份丙烯酸丁酯加入到三口烧瓶中,400r/min分散30min成稳定的预乳化液;
(2)制备种子乳液:将62.5份水加入到四口烧瓶中,加热升温至70℃时加入步骤(1)所得的11.21份预乳化液;待温度升高至75℃时加入剩余的过硫酸铵0.39份和剩余水12.5份的混合溶液,继续升温至85℃,反应30min;
(3)制备聚丙烯酸酯压敏胶乳液:缓慢滴加步骤(1)剩余的预乳化液,于3.5h滴完;滴加完毕后,在85℃保温2h,降温到40℃加入氨水调节pH=7,搅拌30min后过滤出料。
现有技术制备的水性压敏胶(B601)
现有技术制备方法包含以下步骤:
1、制备预乳化液:将115份水、2.0份乳化剂、0.4份过硫酸铵、2.15份丙烯酸、255份丙烯酸丁酯、13.5份甲基丙烯酸羟乙酯加入到三口烧瓶中,300r/min分散30min成稳定的预乳化液;
2、制备聚丙烯酸酯压敏胶乳液:将100份水加入到四口烧瓶中,加热升温至75℃时加入剩余的过硫酸铵0.8份和剩余水15份的混合溶液,继续升温至80℃缓慢滴加步骤(1)预乳化液,于2.5h滴完;滴加完毕后,在85℃保温2h,降温到40℃加入氨水、消泡剂,搅拌30min后过滤出料。
实施例与对比例分别加入千分之一氮丙啶交联剂SC-100,使用70μm PE透明膜涂布湿胶50份,70℃烘箱干燥5分钟制成保护膜,胶水表面张力数值使用全自动表面张力仪测试。
贴覆粗糙板面尤其磨砂类表面,初粘尚可,保护膜贴覆后放置几个小时后开始起空严重者脱落;
由上述结果可以看出,本发明制备的压敏胶表面张力低,涂布保护膜耐水性好,贴覆磨砂类表面相同环境下放置同样时间保护膜无起翘、脱落,产品质量更佳。
本发明中所用原料均为本领域生产中常用原料,均可从市场中得到,且对于生产结果不会产生影响;本发明中所采用的各种设备,均为本领域生产工艺中使用的常规设备,且各设备的操作、参数等均按照常规操作进行,并无特别之处。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (3)
1.一种贴合粗糙板面保护膜用水性压敏胶,其特征在于,由以下重量份的原料制备而成:
水:110-140份;
异构十三醇聚氧乙烯醚:0.4-0.6份;
月桂醇聚氧乙烯醚:0.2-0.3份;
十二烷基苯磺酸钠:0.2-0.3份;
过硫酸铵:0.5-0.8份;
丙烯酸:0.8-1.2份;
N-羟甲基丙烯酰胺:0.6-1.0份;
甲基丙烯酸羟乙酯:0.6-1.0份;
苯乙烯:6-10份;
叔碳酸乙烯酯VV-10:15-25份;
丙烯酸丁酯:90-120份。
2.如权利要求1所述的一种贴合粗糙板面保护膜用水性压敏胶的制备方法,其特征在于,包括以下步骤:
(1)制备预乳化液:将44-56份水、0.4-0.6份异构十三醇聚氧乙烯醚、0.2-0.3份月桂醇聚氧乙烯醚、0.2-0.3份十二烷基苯磺酸钠、0.2-0.32份过硫酸铵、0.8-1.2份丙烯酸、6-10份苯乙烯、0.6-1.0份N-羟甲基丙烯酰胺、0.6-1.0份甲基丙烯酸羟乙酯、15-25份叔碳酸乙烯酯VV-10、90-120份丙烯酸丁酯加入到三口烧瓶中,行成稳定的预乳化液;
(2)制备种子乳液:将55-70份水加入到四口烧瓶中,加热升温至70℃时加入步骤(1)所得的预乳化液的5-7%wt;待温度升高至75℃时加入剩余的0.3-0.48份过硫酸铵和剩余11-14份水的混合溶液,继续升温至82-85℃,反应20-30min;
(3)制备聚丙烯酸酯压敏胶乳液:缓慢滴加步骤(1)剩余的预乳化液,于3-4h滴完;滴加完毕后,在85-88℃保温2h,降温到40-50℃加入氨水调节pH=7,搅拌20-35min后过滤出料。
3.根据权利要求2所述的一种贴合粗糙板面保护膜用水性压敏胶的制备方法,其特征在于:所述步骤(1)的具体操作为,将44-56份水,全部的异构十三醇聚氧乙烯醚、月桂醇聚氧乙烯醚、十二烷基苯磺酸钠,0.2-0.32份过硫酸铵,全部的丙烯酸、苯乙烯、N-羟甲基丙烯酰胺、甲基丙烯酸羟乙酯、叔碳酸乙烯酯VV-10、丙烯酸丁酯加入到三口烧瓶中,300-400r/min分散20-30min成稳定的预乳化液。
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