CN112143415A - 一种阻燃水性压敏胶配方及保护膜制备工艺 - Google Patents

一种阻燃水性压敏胶配方及保护膜制备工艺 Download PDF

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CN112143415A
CN112143415A CN202010874636.4A CN202010874636A CN112143415A CN 112143415 A CN112143415 A CN 112143415A CN 202010874636 A CN202010874636 A CN 202010874636A CN 112143415 A CN112143415 A CN 112143415A
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sensitive adhesive
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red phosphorus
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刘海东
周子豪
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Suzhou Wenxin Material Technology Co ltd
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    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J133/00Adhesives 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
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    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
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    • C09J175/04Polyurethanes
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    • C09J7/20Adhesives in the form of films or foils characterised by their carriers
    • C09J7/22Plastics; Metallised plastics
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    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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    • C09J7/00Adhesives in the form of films or foils
    • C09J7/30Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/38Pressure-sensitive adhesives [PSA]
    • C09J7/381Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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    • C08K3/00Use of inorganic substances as compounding ingredients
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Abstract

本发明一种阻燃水性压敏胶配方及保护膜制备工艺,所述水性压敏胶由水性乳液,消泡剂,润湿剂,增稠剂,流平剂,固化剂,包覆红磷分散液组成,其通过涂覆工艺将阻燃水性压敏胶涂覆到PET薄膜表面,通过烘烤线最后获得阻燃水性压敏胶保护膜,本发明生产成本低,成产效率高,使用用水性乳液替代有机溶剂,到达节能减排同时环保,通过包覆红磷乳液添加到压敏胶树脂体系中提升压敏胶阻燃性能,同时解决卤素阻燃剂阻燃过程中产生有毒气体的缺点。

Description

一种阻燃水性压敏胶配方及保护膜制备工艺
技术领域
本发明涉及保护膜技术领域,尤其涉及一种阻燃水性压敏胶配方及保护膜制备工艺。
背景技术
油性保护膜压敏胶采用丙烯酸共聚物,起黏附性能的有EHA及BA,起内聚作用的有VAc及AN,起改性作用的有AA、HEA、N-MAM,各组分的配比应按被保护的材质、光亮度及具体要求确定,其配方为:A组分(单位:质量份),丙烯酸-2-乙基己酯8~10、丙烯酸适量、N-羟甲丙烯酰胺3~5、乙酸乙烯酯(VAc)10~12、丙烯酸丁酯50~57、过氧化二苯甲酰0.1~0.5、丙烯酸-2-羟乙酯(BPO)2~3、丙烯酸-2-羟丙酯(AA-2-HPA)适量、合溶剂200;B组分,异氰酸酯的20%氯苯溶液
现有压敏胶保护膜所使用的压敏胶为油性压敏胶,其中使用大量有机溶剂,生产过程中会产生大量VOC对环境造成污染,同时还有爆炸和着火的风险;
现有压敏胶保护膜所使用的压敏胶阻燃性能较差,同时即使阻燃压敏胶一般添加的阻燃剂为卤素阻燃剂,存在燃烧造成大量有毒气体产生的危害。
发明内容
基于上述技术缺陷,本发明提供一种阻燃水性压敏胶配方及保护膜制备工艺,解决了上述技术问题中的技术缺陷。
本发明本发明一种阻燃水性压敏胶配方,所述水性压敏胶由水性乳液,消泡剂,润湿剂,增稠剂,流平剂、固化剂、包覆红磷分散液组成,所述水性乳液为水性丙烯酸乳液、水性聚氨酯乳液、水性丙烯酸改性聚氨酯乳液其中的一种。
一种阻燃水性压敏胶保护膜制备工艺,其采用如权利要求1所述的配方,包括以下步骤:
1)首先,在容器中分别加入水性聚合物乳液,消泡剂,润湿剂,增稠剂,流平剂,并在500-1000r/min,搅拌5-30min,通过,400目纱网过滤,作为A组分;
2)将水性固化剂作为B组分;
3)将A组分和B组分按质量比100:0.5-5混合,在50-200r/min下搅拌5-10min;
4)真空脱泡获得水性压敏胶;
5)三聚氰胺甲醛树脂包覆红磷:将具有不同粒径的红磷颗粒分别加入到500mL烧杯中,再向烧杯中加入苯乙烯马来酸酐树脂作为乳化剂,用剪切机以10000r/min的速度剪切10min,使红磷完全分散。再向烧杯中加入三聚氰胺甲醛树脂,并以10000r/min的速度剪切乳化2min,制备混合溶液;
6)将制备好的混合溶液加入到连接有回流冷凝管和温度计的三颈烧瓶中,然后将三颈烧瓶固定在集热式恒温加热磁力搅拌器上,进行水浴加热。将体系温度升至65℃,并且打开磁力搅拌以600r/min的速度搅拌,在加热3h后将三颈烧瓶中的产物倒出置于500mL的烧杯中;
7)将制备的微胶囊包覆红磷溶液置于连接了循环水式多用真空泵的抽滤布氏漏斗内,打开真空泵进行抽滤。在抽滤的过程中加入适量的无水乙醇搅拌清洗,以除去未包覆到红磷表面的三聚氰胺甲醛树脂。重复上述操作4-5次之后,再加入蒸馏水清洗2-3次,将最后制得的沉淀物分散到蒸馏水中,加入分散剂、抗沉降剂,增稠剂,获得包覆红磷分散液;
8)将水性压敏胶与包覆红磷分散液充分混合,真空脱泡,得到阻燃水性压敏胶;
9)通过涂覆工艺将阻燃水性压敏胶涂覆到PET薄膜表面,通过烘烤线最后获得阻燃水性压敏胶保护膜。
本发明一种阻燃水性压敏胶配方及保护膜制备工艺,所述水性压敏胶由水性乳液,消泡剂,润湿剂,增稠剂,流平剂,固化剂,包覆红磷分散液组成,其通过涂覆工艺将阻燃水性压敏胶涂覆到PET薄膜表面,通过烘烤线最后获得阻燃水性压敏胶保护膜,本发明生产成本低,成产效率高,使用用水性乳液替代有机溶剂,到达节能减排同时环保,通过包覆红磷乳液添加到压敏胶树脂体系中提升压敏胶阻燃性能,同时解决卤素阻燃剂阻燃过程中产生有毒气体的缺点。
具体实施方式
本发明一种阻燃水性压敏胶配方,所述水性压敏胶由水性乳液,消泡剂,润湿剂,增稠剂,流平剂、固化剂、包覆红磷分散液组成,所述水性乳液为水性丙烯酸乳液、水性聚氨酯乳液、水性丙烯酸改性聚氨酯乳液其中的一种。
一种阻燃水性压敏胶保护膜制备工艺,其采用如权利要求1所述的配方,包括以下步骤:
1)首先,在容器中分别加入水性聚合物乳液,消泡剂,润湿剂,增稠剂,流平剂,并在500-1000r/min,搅拌5-30min,通过,400目纱网过滤,作为A组分;
2)将水性固化剂作为B组分;
3)将A组分和B组分按质量比100:0.5-5混合,在50-200r/min下搅拌5-10min;
4)真空脱泡获得水性压敏胶;
5)三聚氰胺甲醛树脂包覆红磷:将具有不同粒径的红磷颗粒分别加入到500mL烧杯中,再向烧杯中加入苯乙烯马来酸酐树脂作为乳化剂,用剪切机以10000r/min的速度剪切10min,使红磷完全分散。再向烧杯中加入三聚氰胺甲醛树脂,并以10000r/min的速度剪切乳化2min,制备混合溶液;
6)将制备好的混合溶液加入到连接有回流冷凝管和温度计的三颈烧瓶中,然后将三颈烧瓶固定在集热式恒温加热磁力搅拌器上,进行水浴加热。将体系温度升至65℃,并且打开磁力搅拌以600r/min的速度搅拌,在加热3h后将三颈烧瓶中的产物倒出置于500mL的烧杯中;
7)将制备的微胶囊包覆红磷溶液置于连接了循环水式多用真空泵的抽滤布氏漏斗内,打开真空泵进行抽滤。在抽滤的过程中加入适量的无水乙醇搅拌清洗,以除去未包覆到红磷表面的三聚氰胺甲醛树脂。重复上述操作4-5次之后,再加入蒸馏水清洗2-3次,将最后制得的沉淀物分散到蒸馏水中,加入分散剂、抗沉降剂,增稠剂,获得包覆红磷分散液;
8)将水性压敏胶与包覆红磷分散液充分混合,真空脱泡,得到阻燃水性压敏胶;
9)通过涂覆工艺将阻燃水性压敏胶涂覆到PET薄膜表面,通过烘烤线最后获得阻燃水性压敏胶保护膜。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明,不能认定本发明的具体实施只局限于这些说明。对于本发明所述技术领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本发明的保护范围。

Claims (2)

1.一种阻燃水性压敏胶配方,其特征在于:所述水性压敏胶由水性乳液,消泡剂,润湿剂,增稠剂,流平剂、固化剂、包覆红磷分散液组成,所述水性乳液为水性丙烯酸乳液、水性聚氨酯乳液、水性丙烯酸改性聚氨酯乳液其中的一种。
2.一种阻燃水性压敏胶保护膜制备工艺,其采用如权利要求1所述的配方,其特征在于:还包括以下步骤:
1)首先,在容器中分别加入水性聚合物乳液,消泡剂,润湿剂,增稠剂,流平剂,并在500-1000r/min,搅拌5-30min,通过,400目纱网过滤,作为A组分;
2)将水性固化剂作为B组分;
3)将A组分和B组分按质量比100:0.5-5混合,在50-200r/min下搅拌5-10min;
4)真空脱泡获得水性压敏胶;
5)三聚氰胺甲醛树脂包覆红磷:将具有不同粒径的红磷颗粒分别加入到500mL烧杯中,再向烧杯中加入苯乙烯马来酸酐树脂作为乳化剂,用剪切机以10000r/min的速度剪切10min,使红磷完全分散。再向烧杯中加入三聚氰胺甲醛树脂,并以10000r/min的速度剪切乳化2min,制备混合溶液;
6)将制备好的混合溶液加入到连接有回流冷凝管和温度计的三颈烧瓶中,然后将三颈烧瓶固定在集热式恒温加热磁力搅拌器上,进行水浴加热。将体系温度升至65℃,并且打开磁力搅拌以600r/min的速度搅拌,在加热3h后将三颈烧瓶中的产物倒出置于500mL的烧杯中;
7)将制备的微胶囊包覆红磷溶液置于连接了循环水式多用真空泵的抽滤布氏漏斗内,打开真空泵进行抽滤。在抽滤的过程中加入适量的无水乙醇搅拌清洗,以除去未包覆到红磷表面的三聚氰胺甲醛树脂。重复上述操作4-5次之后,再加入蒸馏水清洗2-3次,将最后制得的沉淀物分散到蒸馏水中,加入分散剂、抗沉降剂,增稠剂,获得包覆红磷分散液;
8)将水性压敏胶与包覆红磷分散液充分混合,真空脱泡,得到阻燃水性压敏胶;
9)通过涂覆工艺将阻燃水性压敏胶涂覆到PET薄膜表面,通过烘烤线最后获得阻燃水性压敏胶保护膜。
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CN113069832A (zh) * 2021-04-07 2021-07-06 天台宏辉过滤科技有限公司 一种疏水防堵耐磨工业滤布及制备方法

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