CN106189908A - 丙烯酸压敏胶带 - Google Patents

丙烯酸压敏胶带 Download PDF

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CN106189908A
CN106189908A CN201610617969.2A CN201610617969A CN106189908A CN 106189908 A CN106189908 A CN 106189908A CN 201610617969 A CN201610617969 A CN 201610617969A CN 106189908 A CN106189908 A CN 106189908A
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powder body
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金闯
张庆杰
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Sidike New Materials Jiangsu Co Ltd
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Abstract

本发明一种丙烯酸压敏胶带，包括以下步骤：将0.42份微米级SiO2粉体、0.26份微米级Al2O3粉体和1.8份硅烷偶联剂加入12份丁酮中进行超声波处理获得预分散液；将2.6份纳米级SiO2粉体、1.6份纳米级Al2O3粉体和异氰酸酯0.65份加入预分散液中进行超声波处理获得调制后预分散液；将甲基丙烯酸甲酯、丙烯酸乙酯和二甲基二乙氧基硅烷加入甲苯中进行机械搅拌获得聚合物溶液；将调制后预分散液、聚合物溶液混合并依次加入松香树脂，帖烯树脂，偶氮化合物，N‑亚硝基化合物，获得雾面丙烯酸胶黏剂混合物。本发明提高了与离型剂涂层接触的雾面涂层表面粗糙度均匀性和结合力稳定性。

Description

丙烯酸压敏胶带
技术领域
本发明涉及一种胶带，特别涉及一种丙烯酸压敏胶带。
背景技术
丙烯酸胶黏剂用于将某种物体粘连在另一种物体上。人们对于各种家具或电子产品的款式、颜色等视觉上的要求更加重视，因此电子产品的外观显得尤为重要，这对粘胶带的要求也越来越高，常常需要粘着力强且厚度在较薄的粘胶带。对于电子产品或者其它产品，一旦使用粘胶带，则需要该粘胶带在温差变化大的情况下能一直维持粘性，且能容易将胶黏剂从薄膜上剥离，其次，现有技术在兼顾均匀性等其它性能下，提高雾面粗糙度存在瓶颈。
发明内容
本发明提供一种丙烯酸压敏胶带，该丙烯酸压敏胶带提高了与离型剂涂层接触的雾面涂层表面粗糙度均匀性，解决离型纸的淋膜层与离型剂涂层结合力不稳定的技术问题，有利于剥离以及避免残留压敏胶和将离型剂残留于压敏胶层上。
为达到上述目的，本发明采用的技术方案是：一种丙烯酸压敏胶带，所述丙烯酸压敏胶带通过以下步骤获得：
第一步. 制备雾面丙烯酸胶黏剂，该雾面丙烯酸胶黏剂进一步通过以下工艺获得：
步骤1. 将0.25份微米级SiO2粉体、0.3份微米级Al2O3粉体和1份硅烷偶联剂加入14份丁酮中进行超声波处理获得预分散液；
步骤2. 将3份纳米级SiO2粉体、1.4份纳米级Al2O3粉体和异氰酸酯1份加入预分散液中进行超声波处理获得调制后预分散液；
步骤3. 将甲基丙烯酸甲酯80份、丙烯酸乙酯35份和二甲基二乙氧基硅烷16份加入32份甲苯中进行机械搅拌获得聚合物溶液；
步骤4. 将步骤2的调制后预分散液、步骤3的聚合物溶液混合并依次加入松香树脂5份，帖烯树脂4份，偶氮化合物1.4份，N-亚硝基化合物6份，进行机械高速搅拌和超声波搅拌，从而获得雾面丙烯酸胶黏剂混合物；
步骤5. 将步骤4的雾面丙烯酸胶黏剂混合物在密封的环境中加热获得所述雾面丙烯酸胶黏剂；
第二步. 将第一步获得的雾面丙烯酸胶黏剂涂覆于基材层的一表面形成雾面丙烯酸胶黏层；
第三步. 在第二步获得的雾面丙烯酸胶黏层另一表面贴合离型材料层。
上述技术方案中进一步改进的技术方案如下：
1. 上述方案中，所述基材层为PE薄膜层、PP薄膜层、PA薄膜层、PC薄膜层中的一种。
2. 上述方案中，所述第一步中，将蒸发得到的溶剂收集，冷凝回收。
3. 上述方案中，所述第三步以后还包括以下步骤：第四步. 烘烤；第五步. 收卷。
由于上述技术方案运用，本发明与现有技术相比具有下列优点和效果：
1. 本发明丙烯酸压敏胶带，其采用纳米级和微米级SiO2粉体、Al2O3粉体和甲基丙烯酸甲酯，丙烯酸乙酯，二甲基二乙氧基硅烷在机械搅拌和超声波搅拌共同作用与硅烷偶联剂、异氰酸酯共同作用，相对单一使用纳米级或微米级SiO2粉体、Al2O3粉体，提高了丙烯酸胶黏剂粗糙度，也有利于SiO2粉体、Al2O3粉体均匀分布和在体系中的分散；其次，偶氮化合物，N-亚硝基化合物的加入，也避免了SiO2粉体、Al2O3粉体在体系中的沉降，提高了与基材结合力。
2. 本发明丙烯酸压敏胶带，松香树脂，帖烯树脂与甲基丙烯酸甲酯，丙烯酸乙酯，二甲基二乙氧基硅烷共同作用，避免了了由SiO2粉体、Al2O3粉体加入导致的耐高温性能的下降，提高了耐高温性能，以及在温差变化下的粘度的稳定性，从而提高了产品的可靠性。
具体实施方式
下面结合实施例对本发明作进一步描述：
实施例：一种丙烯酸压敏胶带，所述丙烯酸压敏胶带通过以下步骤获得：
第一步. 制备雾面丙烯酸胶黏剂，该雾面丙烯酸胶黏剂进一步通过以下工艺获得：
步骤1. 将0.25份微米级SiO2粉体、0.3份微米级Al2O3粉体和1份硅烷偶联剂加入14份丁酮中进行超声波处理获得预分散液；
步骤2. 将3份纳米级SiO2粉体、1.4份纳米级Al2O3粉体和异氰酸酯1份加入预分散液中进行超声波处理获得调制后预分散液；
步骤3. 将甲基丙烯酸甲酯80份、丙烯酸乙酯35份和二甲基二乙氧基硅烷16份加入32份甲苯中进行机械搅拌获得聚合物溶液；
步骤4. 将步骤2的调制后预分散液、步骤3的聚合物溶液混合并依次加入松香树脂5份，帖烯树脂4份，偶氮化合物1.4份，N-亚硝基化合物6份，进行机械高速搅拌和超声波搅拌，从而获得雾面丙烯酸胶黏剂混合物；
步骤5. 将步骤4的雾面丙烯酸胶黏剂混合物在密封的环境中加热获得所述雾面丙烯酸胶黏剂；
第二步. 将第一步获得的雾面丙烯酸胶黏剂涂覆于基材层1的一表面形成雾面丙烯酸胶黏层2；
第三步. 在第二步获得的雾面丙烯酸胶黏层2另一表面贴合离型材料层3；
第四步. 烘烤；
第五步. 收卷。
上述第一步中，将蒸发得到的溶剂收集，冷凝回收。
上述基材层采用PA薄膜层。
采用上述丙烯酸压敏胶带时，其采用纳米级和微米级SiO2粉体、Al2O3粉体和甲基丙烯酸甲酯，丙烯酸乙酯，二甲基二乙氧基硅烷在机械搅拌和超声波搅拌共同作用与硅烷偶联剂、异氰酸酯共同作用，相对单一使用纳米级或微米级SiO2粉体、Al2O3粉体，提高了丙烯酸胶黏剂粗糙度，也有利于SiO2粉体、Al2O3粉体均匀分布和在体系中的分散；其次，偶氮化合物， N-亚硝基化合物的加入，也避免了SiO2粉体、Al2O3粉体在体系中的沉降，提高了与基材结合力。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (3)

1.一种丙烯酸压敏胶带，其特征在于：所述丙烯酸压敏胶带通过以下步骤获得：
第一步. 制备雾面丙烯酸胶黏剂，该雾面丙烯酸胶黏剂进一步通过以下工艺获得：
步骤1. 将0.25份微米级SiO2粉体、0.3份微米级Al2O3粉体和1份硅烷偶联剂加入14份丁酮中进行超声波处理获得预分散液；
步骤2. 将3份纳米级SiO2粉体、1.4份纳米级Al2O3粉体和异氰酸酯1份加入预分散液中进行超声波处理获得调制后预分散液；
步骤3. 将甲基丙烯酸甲酯80份、丙烯酸乙酯35份和二甲基二乙氧基硅烷16份加入32份甲苯中进行机械搅拌获得聚合物溶液；
步骤4. 将步骤2的调制后预分散液、步骤3的聚合物溶液混合并依次加入松香树脂5份，帖烯树脂4份，偶氮化合物1.4份，N-亚硝基化合物6份，进行机械高速搅拌和超声波搅拌，从而获得雾面丙烯酸胶黏剂混合物；
步骤5. 将步骤4的雾面丙烯酸胶黏剂混合物在密封的环境中加热获得所述雾面丙烯酸胶黏剂；
第二步. 将第一步获得的雾面丙烯酸胶黏剂涂覆于基材层（1）的一表面形成雾面丙烯酸胶黏层（2）；
第三步. 在第二步获得的雾面丙烯酸胶黏层（2）另一表面贴合离型材料层（3）。
2.根据权利要求1所述的丙烯酸压敏胶带，其特征在于：所述基材层为PA薄膜层。
3. 根据权利要求1所述的丙烯酸压敏胶带，其特征在于：所述第三步以后还包括以下步骤：第四步. 烘烤；第五步. 收卷。
CN201610617969.2A 2014-01-09 2014-01-09 丙烯酸压敏胶带 Pending CN106189908A (zh)

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