CN108913051A - 一种膨胀解粘胶带及制作方法 - Google Patents
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Abstract
本发明公开了一种膨胀解粘胶带制作方法,膨胀解粘胶带制作方法,包括以下步骤:S1.合成亚克力胶水,S2.合成膨胀剂,S3.将步骤S2和步骤S3合成的膨胀剂和亚克力胶水混合均匀,加入引发剂0.1‑0.5份涂布在基材上,并加上离型层,制作成胶带;一种膨胀解粘胶带,包括离型层1、胶层2、基材层3和功能层4,基材层一面涂布所述胶层,基材层另一面和功能层连接,胶层另一面和所述离型层连接,在胶层内设膨胀颗粒,胶层为亚克力胶层,基材层为PET层;相对传统的胶带,本发明一方面采用亚克力胶,并在亚克力胶层内设有膨胀颗粒。另一方面,因为膨胀颗粒在亚克力胶粘剂中的分散性,解决了分散性问题。使得本发明应用范围更广。
Description
技术领域
本发明涉及胶带制作领域,具体涉及一种膨胀解粘胶带及制作方法。
背景技术
在现代制造行业,制程工艺过程会经历较多的高温、高湿、酸碱、盐雾等制造工艺,要求极为严格,对非处理部分或易破损区域需要进行保护处理。表面保护膜的主要作用就是对商品的表面起到一定的保护,又称为保护胶带或压敏保护膜,一般用高分子塑料薄膜或者特殊纸张当作基材,用橡胶或者丙烯酸酯共聚物当作压敏胶黏剂,经过涂布烘干等方法加工而成。现阶段的表面保护膜己经大量的用于建造、机械生产、汽车生产方面、仪器仪表、手表和其他生产方面,此外,也可用来保护钢铁、塑料、有机玻璃、各种油淺板、木制品等材料的表面。
但是,目前市面上的保护胶带,在制作过程中大都存在:合成胶水难、膨胀颗粒制作难、胶水和膨胀颗粒之间的分散性问题。进而导致保护膜制造质量低,适用范围低,不能满足要求。
发明内容
本发明解决的技术问题是提供一种膨胀解粘胶带及制作方法,本发明解决了合成胶水难、膨胀颗粒制作难、胶水和膨胀颗粒之间的分散性的等问题。提升了胶带的质量,使得适用范更广。
为解决上述技术问题,本发明的技术方案是:一种膨胀解粘胶带制作方法,包括以下步骤:
S1.合成亚克力胶水:将丁酮0-100份加入到烧瓶中,升温至60-80℃,加入丙烯酸丁酯0-30份、丙烯酸甲酯0-30份、丙烯酸羟乙酯0-30份、2-丁酮0-30份、丙烯酸0-30份,加入引发剂偶氮二异丁腈0.1-3份,反应120-360分钟,随后缓慢加入同等质量份的引发剂,继续反应120-240分钟,等胶液颜色透明后,降温出料;
S2.合成膨胀剂:将乙烯基三甲氧基硅烷0-10份、乙烯基甲基二甲氧基硅烷50-100份、苯基三甲氧基硅烷0-10份、水50-100份、乳化剂,用高速分散机进行乳化,备用;在碳酸氢钠的5%水溶液中加入有机金属催化剂0.1-1份,升温至60℃,缓慢滴加备用的有机硅乳液,反应2小时,再将获得的溶液用冷冻干燥法除水,得到粉末状的膨胀剂;
S3.将步骤S2和步骤S3合成的膨胀剂和亚克力胶水混合均匀,加入引发剂0.1-0.5份涂布在基材上,并加上离型层,制作成胶带。
优选的,步骤S2中所述乳化剂为烷基醇聚氧乙烯醚、异构十三醇聚氧乙烯、磺基琥珀酸二环己酯钠、烷基醇聚氧乙烯的一种或几种。
优选的,步骤S2中所述高速分散机速度为2500rpm,分散时间为30分钟。
优选的,步骤S2中所述有机金属催化剂为有机锡或有机钛。
优选的,步骤S3中所述引发剂为安息香、安息香双甲醚、安息香乙醚、安息香异丙醚的一种或几种。
优选的,步骤S3中所述基材为PET,且涂布厚度20-30微米。
本发明还提供了:一种膨胀解粘胶带,包括离型层、胶层、基材层和功能层,所述基材层一面涂布所述胶层,所述基材层另一面和功能层连接,所述胶层另一面和所述离型层连接,在所述胶层内设膨胀颗粒,所述胶层为亚克力胶层,所述基材层为PET层。
优选的,所述胶层的厚度为20μm-30μm。
优选的,所述胶层涂布在所述基材层上时温度为常温。
优选的,所述基材层的两面均设有磨砂层。
本发明实现的有益效果:
1.本发明以有机硅包裹无机发泡材料的方式制备膨胀剂,同时可以满足UV或热解粘的方式。在制备工艺上采用冷冻干燥的方法,既可以保证颗粒形状不被破坏,也可以保证制备过程中无机发泡材料的完整,减少无效颗粒的存在。膨胀颗粒再受热的时候,碳酸氢钠释放出气体破坏胶层表面以实现解粘;当再UV照射的情况下,有机硅外壳的双键交联形成大量的游离硅链段,使得胶层表面全是游离的有机硅,胶层也会失去粘性,从而实现解粘效果。
2.本发明与现有技术相比,先合成可以低温固化的亚克力胶水,再以独特的工艺合成有机硅包覆的膨胀颗粒,两者同时结合,在涂布成合适的厚度,可以同时实现不同的解粘方式。
附图说明
图1为本发明的切面图。
图中的数字或字母代表的相应部件的名称或流程名称:1.离型层,2.胶层,3.基材层,4.功能层。
附图仅用于示例性说明,不能理解为对本专利的限制;为了更好说明本实施例,附图某些部件会有省略、放大或缩小,并不代表实际产品的尺寸;对于本领域技术人员来说,附图中某些公知结构及其说明可能省略是可以理解的;相同或相似的标号对应相同或相似的部件;附图中描述位置关系的用语仅用于示例性说明,不能理解为对本专利的限制。
具体实施方式
为了便于本领域技术人员理解,下面将结合附图以及实施例对本发明进行进一步详细描述。
一种膨胀解粘胶带制作方法,包括以下步骤:
S1.合成亚克力胶水:将丁酮0-100份加入到烧瓶中,升温至60-80℃,加入丙烯酸丁酯0-30份、丙烯酸甲酯0-30份、丙烯酸羟乙酯0-30份、2-丁酮0-30份、丙烯酸0-30份,加入引发剂偶氮二异丁腈0.1-3份,反应120-360分钟,随后缓慢加入同等质量份的引发剂,继续反应120-240分钟,等胶液颜色透明后,降温出料;
S2.合成膨胀剂:将乙烯基三甲氧基硅烷0-10份、乙烯基甲基二甲氧基硅烷50-100份、苯基三甲氧基硅烷0-10份、水50-100份、乳化剂,用高速分散机进行乳化,备用;在碳酸氢钠的5%水溶液中加入有机金属催化剂0.1-1份,升温至60℃,缓慢滴加备用的有机硅乳液,反应2小时,再将获得的溶液用冷冻干燥法除水,得到粉末状的膨胀剂;
S3.将步骤S2和步骤S3合成的膨胀剂和亚克力胶水混合均匀,加入引发剂0.1-0.5份涂布在基材上,并加上离型层,制作成胶带。
具体的,步骤S2中乳化剂为烷基醇聚氧乙烯醚、异构十三醇聚氧乙烯、磺基琥珀酸二环己酯钠、烷基醇聚氧乙烯的一种或几种。
具体的,步骤S2中高速分散机速度为2500rpm,分散时间为30分钟。
具体的,步骤S2中有机金属催化剂为有机锡或有机钛。
具体的,步骤S3中引发剂为安息香、安息香双甲醚、安息香乙醚、安息香异丙醚的一种或几种。
具体的,步骤S3中基材为PET,且涂布厚度20-30微米。
本发明还提供了:一种膨胀解粘胶带,包括离型层1、胶层2、基材层3和功能层4,基材层一面涂布所述胶层,基材层另一面和功能层连接,胶层另一面和所述离型层连接,在胶层内设膨胀颗粒,胶层为亚克力胶层,基材层为PET层。
具体的,胶层的厚度为20μm-30μm。
具体的,胶层涂布在所述基材层上时温度为常温。
具体的,基材层的两面均设有磨砂层。基材层设置磨砂层会让胶层粘贴的效果更好。
实施例一
将前述的膨胀解粘胶带结合现实中具体的做法,做相应的阐述,具体如下:膨胀解粘胶带制作方法,包括以下步骤:
S1.合成亚克力胶水:将丁酮0-100份加入到烧瓶中,升温至60-80℃,加入丙烯酸丁酯0-30份、丙烯酸甲酯0-30份、丙烯酸羟乙酯0-30份、2-丁酮0-30份、丙烯酸0-30份,加入引发剂偶氮二异丁腈0.1-3份,反应120-360分钟,随后缓慢加入同等质量份的引发剂,继续反应120-240分钟,等胶液颜色透明后,降温出料;本实施例中将丁酮50份、丙烯酸丁酯(BA)15份、丙烯酸甲酯(MA)15份、丙烯酸羟乙酯(HEA)15份、2-丁酮(MEK)15份、丙烯酸(AA)15份、偶氮二异丁腈(AIBN)1份。
S2.合成膨胀剂:将乙烯基三甲氧基硅烷0-10份、乙烯基甲基二甲氧基硅烷50-100份、苯基三甲氧基硅烷0-10份、水50-100份、乳化剂,用高速分散机进行乳化,备用;在碳酸氢钠的5%水溶液中加入有机金属催化剂0.1-1份,升温至60℃,缓慢滴加备用的有机硅乳液,反应2小时,再将获得的溶液用冷冻干燥法除水,得到粉末状的膨胀剂;本实施例中乙烯基三甲氧基硅烷5份、乙烯基甲基二甲氧基硅烷60份、苯基三甲氧基硅烷5份、水80份、乳化剂烷基醇聚氧乙烯(25)醚1份、有机金属催化剂0.5份。
S3.将步骤S2和步骤S3合成的膨胀剂和亚克力胶水混合均匀,加入引发剂0.1-0.5份涂布在基材上,并加上离型层,制作成胶带。本实施例中引发剂为0.5份。
具体的,步骤S2中乳化剂为烷基醇聚氧乙烯醚、异构十三醇聚氧乙烯、磺基琥珀酸二环己酯钠、烷基醇聚氧乙烯的一种或几种;步骤S2中高速分散机速度为2500rpm,分散时间为30分钟;步骤S2中有机金属催化剂为有机锡或有机钛。本实施例中乳化剂为烷基醇聚氧乙烯醚,有机金属催化剂采用有机锡。
具体的,步骤S3中引发剂为安息香、安息香双甲醚、安息香乙醚、安息香异丙醚的一种或几种;步骤S3中基材为PET,且涂布厚度20-30微米。本实施例中引发剂为安息香,涂布厚度为25微米。
本实施例的测试数据为:初粘:2#;剥离力(N/25mm):8.5;100℃,2小时耐温:OK;耐电解液(85℃,24小时):OK;UV,30秒照射后,剥离力(N/25mm):0.2;120℃烘烤后(N/25mm):0.09。
实施例二
实施例二和实施例二基本设置是一样的,主要的区别是:本实施例中丙烯酸丁酯(BA)20份、丙烯酸(AA)20份、乙烯基三甲氧基硅烷7份、乙烯基甲基二甲氧基硅烷65份、苯基三甲氧基硅烷7份。本实施例的测试数据为:初粘:2#;剥离力(N/25mm):7.3;100℃,2小时耐温:OK;耐电解液(85℃,24小时):OK;UV,30秒照射后,剥离力(N/25mm):0.15;120℃烘烤后(N/25mm):0.06。
实施例三
实施例三和实施例一基本设置是一样的,主要的区别是:本实施例中丙烯酸丁酯(BA)20份、丙烯酸甲酯(MA)5份、2-丁酮(MEK)20份、丙烯酸(AA)20份。本实施例的测试数据为:初粘:2#;剥离力(N/25mm):7.4;100℃,2小时耐温:OK;耐电解液(85℃,24小时):OK;UV,30秒照射后,剥离力(N/25mm):0.15;120℃烘烤后(N/25mm):0.05。
实施例四
将前述的膨胀解粘胶带结合现实中具体的做法,做相应的阐述,具体如下:如图1所示,膨胀解粘胶带,包括离型层1、胶层2、基材层3和功能层4,基材层一面涂布胶层,基材层另一面和功能层连接,胶层另一面和所述离型层连接,在胶层内设膨胀颗粒,胶层为亚克力胶层,当然胶层也不限于亚克力胶层,基材层为PET层,基材层也不限于PET。本实施例中采用亚克力胶层和膨胀颗粒是实施例一所制作的亚克力胶水和膨胀剂。
具体的,胶层的厚度为20μm-30μm。本实施例中胶层的厚度为25μm。
具体的,胶层涂布在基材层上时温度为常温。
具体的,基材层的两面均设有磨砂层。基材层设置磨砂层会让胶层粘贴的效果更好。本实施例中未设置磨砂层。
实施例五
实施例五和实施例四基本设置是一样的,主要的区别是:本实施例中基材层采用PE层,胶层的厚度为20μm。
实施例六
实施例六和实施例四基本设置是一样的,主要的区别是:本实施例中基材层有磨砂层;胶层的厚度为30μm。
显然,本发明的上述实施例仅仅是为清楚地说明本发明所作的举例,而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本发明权利要求的保护范围之内。
Claims (10)
1.一种膨胀解粘胶带制作方法,其特征在于,包括以下步骤:
S1.合成亚克力胶水:将丁酮0-100份加入到烧瓶中,升温至60-80℃,加入丙烯酸丁酯0-30份、丙烯酸甲酯0-30份、丙烯酸羟乙酯0-30份、2-丁酮0-30份、丙烯酸0-30份,加入引发剂偶氮二异丁腈0.1-3份,反应120-360分钟,随后缓慢加入同等质量份的引发剂,继续反应120-240分钟,等胶液颜色透明后,降温出料;
S2.合成膨胀剂:将乙烯基三甲氧基硅烷0-10份、乙烯基甲基二甲氧基硅烷50-100份、苯基三甲氧基硅烷0-10份、水50-100份、乳化剂,用高速分散机进行乳化,备用;在碳酸氢钠的5%水溶液中加入有机金属催化剂0.1-1份,升温至60℃,缓慢滴加备用的有机硅乳液,反应2小时,再将获得的溶液用冷冻干燥法除水,得到粉末状的膨胀剂;
S3.将步骤S2和步骤S3合成的膨胀剂和亚克力胶水混合均匀,加入引发剂0.1-0.5份涂布在基材上,并加上离型层,制作成胶带。
2.根据权利要求1所述的膨胀解粘胶带制作方法,其特征在于:步骤S2中所述乳化剂为烷基醇聚氧乙烯醚、异构十三醇聚氧乙烯、磺基琥珀酸二环己酯钠、烷基醇聚氧乙烯的一种或几种。
3.根据权利要求1所述的膨胀解粘胶带制作方法,其特征在于:步骤S2中所述高速分散机速度为2500rpm,分散时间为30分钟。
4.根据权利要求1所述的膨胀解粘胶带制作方法,其特征在于:步骤S2中所述有机金属催化剂为有机锡或有机钛。
5.根据权利要求1-4任一项所述的膨胀解粘胶带制作方法,其特征在于:步骤S3中所述引发剂为安息香、安息香双甲醚、安息香乙醚、安息香异丙醚的一种或几种。
6.根据权利要求5所述的膨胀解粘胶带制作方法,其特征在于:步骤S3中所述基材为PET,且涂布厚度20-30微米。
7.一种膨胀解粘胶带,其特征在于,包括离型层、胶层、基材层和功能层,所述基材层一面涂布所述胶层,所述基材层另一面和功能层连接,所述胶层另一面和所述离型层连接,在所述胶层内设膨胀颗粒,所述胶层为亚克力胶层,所述基材层为PET层。
8.根据权利要求7所述的膨胀解粘胶带,其特征在于:所述胶层的厚度为20μm-30μm。
9.根据权利要求7所述的膨胀解粘胶带,其特征在于:所述胶层涂布在所述基材层上时温度为常温。
10.根据权利要求7-9任一项所述的膨胀解粘胶带,其特征在于:所述基材层的两面均设有磨砂层。
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