CN103265895B - 一种耐候性好的溶剂型氯丁橡胶胶粘剂及其制备方法 - Google Patents

一种耐候性好的溶剂型氯丁橡胶胶粘剂及其制备方法 Download PDF

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CN103265895B
CN103265895B CN201310196735.1A CN201310196735A CN103265895B CN 103265895 B CN103265895 B CN 103265895B CN 201310196735 A CN201310196735 A CN 201310196735A CN 103265895 B CN103265895 B CN 103265895B
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CN103265895A (zh
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陈健
张建光
杨文乾
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Guangdong Shuocheng Technology Co ltd
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Suzhou Jing Yu Novel Material Co Ltd
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Abstract

本发明提供了一种胶粘剂，特别中涉及一种氯丁橡胶胶粘剂，属于胶粘剂技术领域。包括有按重量份计的如下组分：氯丁橡胶30～50份、天然橡胶10～15份、醋酸乙烯10～15份、甲基丙烯酸甲酯10～20份、甲基丙烯酸羟乙酯5～10份、环氧树脂4～8份、萜烯树脂10～20份、古马隆树脂5～10份、对苯二酚2～4份、氧化镁5～10份、溶剂30～40份、防老剂3～5份。本发明提供的溶剂型氯丁橡胶胶粘剂耐热、耐寒性能较好，本发明提供的氯丁橡胶胶粘剂的粘合强度可以达到130N/cm以上，在-30℃放置7天后，仍然可以达到110N/cm，在100℃放置7天后粘结强度在75N/cm以上。

Description

一种耐候性好的溶剂型氯丁橡胶胶粘剂及其制备方法
技术领域
本发明提供了一种胶粘剂，特别中涉及一种氯丁橡胶胶粘剂，属于胶粘剂技术领域。
背景技术
氯丁橡胶是氯丁橡胶胶粘剂的主体原料，其分子结构规整，分子链上又有极性大的氯原子，故其活见性大，这使氯丁橡胶在室温下也具有较高的内聚强度和耐燃性、耐老化性能较好。所配制成的胶粘剂可以在室温下冷固化、初粘力很大、强度建立迅速、粘接强度较高，可以用于粘接橡胶、皮革、织物、人造革、塑料、木材、纸品、玻璃、陶瓷等。
氯丁橡胶胶粘剂有溶剂型，乳液型和无溶剂液体型，溶剂型又分为混配型和接枝型。目前以溶剂型氯丁橡胶胶粘剂用之最多，混配型氯丁橡胶胶粘剂是指氯丁橡胶经混炼（或不混炼）溶于混合溶剂，加入树脂、防老剂、填料和其他助剂配成的单组分或双组分溶剂型胶粘剂。
混配型氯丁橡胶胶粘剂具有初粘力大、强度建立速度快、粘接强度高、耐介质性好等优点，但是其耐热性能较差，耐寒性能不佳的缺点，因此限制了其的应用范围，并且影响了其在使用过程中的性能。
发明内容
本发明的目的是提供一种高强度的氯丁橡胶粘胶剂，提高其耐热、耐寒性能，采用的技术方案是：
一种高强度的溶剂型氯丁橡胶胶粘剂，包括有按重量份计的如下组分：氯丁橡胶30～50份、天然橡胶10～15份、醋酸乙烯10～15份、甲基丙烯酸甲酯10～20份、甲基丙烯酸羟乙酯5～10份、环氧树脂4～8份、萜烯树脂10～20份、古马隆树脂5～10份、对苯二酚2～4份、氧化镁5～10份、溶剂30～40份、防老剂3～5份。
所述防老剂可以是防老剂RD、124、MB、DNP、NBC中的一种或者几种。
所述的溶剂可以采用甲苯、乙酸乙酯、环己烷、二氯甲烷、三氯甲烷中的一种或几种的混合物。
所述的氧化镁最好采用轻质氧化镁，氧化镁的颗粒粒径最好控制在20～200微米。氧化镁最好先与树脂进行预反应生成螯合物便可防止氧化镁与羟基直接发反应，进而可以增加了粘度稳定性和体系的耐热性。
加入的甲基丙烯酸甲酯可以有效地与氯丁橡胶相容，有助于提高其在低温下的性能，防止脆性增加。
加入的环氧树脂、萜烯树脂、古马隆树脂可以增粘树脂是溶剂型氯丁胶粘剂的重要成分，能提高内聚强度、粘接性能、耐热性、耐水性和耐老化性。
其制备方法可以是：
S1：取环氧树脂、萜烯树脂、古马隆树脂，与氧化镁混合，在30～40℃条件下混合1～2小时；
S2：将步骤S1中所得混合物、氯丁橡胶、天然橡胶、醋酸乙烯、甲基丙烯酸甲酯、甲基丙烯酸羟乙酯，在120～140℃条件下混合0.5～1小时；
S3：将步骤S2所得的混合物与对苯二酚、溶剂、防老剂在30～40℃条件下混合0.5～1小时，放冷即可。
有益效果
本发明提供的溶剂型氯丁橡胶胶粘剂耐热、耐寒性能较好，本发明提供的氯丁橡胶胶粘剂的粘合强度可以达到130N/cm以上，在-30℃放置7天后，仍然可以达到110N/cm，在100℃放置7天后粘结强度在75N/cm以上。
具体实施方式
照表1所示的重量备制各实施例的原料。
表1实施例1～实施例3的重量配比
以上实施例中，溶剂采用甲苯，防老剂是防老剂RD，氧化镁采用轻质氧化镁，颗粒粒径最好控制在20～200微米。
制备方法是：
S1：取环氧树脂、萜烯树脂、古马隆树脂，与氧化镁混合，在35℃条件下混合1小时；
S2：将步骤S1中所得混合物、氯丁橡胶、天然橡胶、醋酸乙烯、甲基丙烯酸甲酯、甲基丙烯酸羟乙酯，在130℃条件下混合0.5小时；
S3：将步骤S2所得的混合物与对苯二酚、溶剂、防老剂在35℃条件下混合1小时，放冷即可。
性能试验
按GB/T2793-1993规定，制得棉帆布/棉帆布试样条，用广州实验仪器厂XL-50A型接力试验机测定粘合强度(N/cm)，25℃下。
耐热、耐寒老化性的测定：
按GB/T2793-1993规定，分别测定样品在-30℃、-10℃、80℃、100℃下7天后的粘合强度(N/cm)，最后测试时仍将温度控制在25℃
以专利CN200810179220.X中公开的氯丁橡胶胶粘剂为对照。
表2实施例1～实施例3以及对照例的性能测试数据
测试参数 实施例1 实施例2 实施例3 对照例
粘合强度25℃ 130 131 135 111
-30℃、放置7天 110 112 108 88
-10℃、放置7天 105 121 119 91
80℃、放置7天 85 84 84 77
100℃、放置7天 80 79 79 69
从测试数据可以看出，本发明提供的氯丁橡胶胶粘剂的本发明提供的氯丁橡胶胶粘剂的粘合强度可以达到130N/cm以上，在-30℃放置7天后，仍然可以达到110N/cm，在100℃放置7天后粘结强度在75N/cm以上。

Claims (1)

1.一种高强度的溶剂型氯丁橡胶胶粘剂，其特征在于，它是由按重量份计的如下组分所组成：氯丁橡胶50份、天然橡胶15份、醋酸乙烯15份、甲基丙烯酸甲酯20份、甲基丙烯酸羟乙酯10份、环氧树脂8份、萜烯树脂20份、古马隆树脂10份、对苯二酚4份、氧化镁10份、溶剂40份、防老剂5份；所述的溶剂是甲苯，所述的防老剂是防老剂RD，所述的氧化镁是轻质氧化镁，颗粒粒径在20～200微米；制备方法是：S1：取环氧树脂、萜烯树脂、古马隆树脂，与氧化镁混合，在35℃条件下混合1小时；S2：将步骤S1中所得混合物、氯丁橡胶、天然橡胶、醋酸乙烯、甲基丙烯酸甲酯、甲基丙烯酸羟乙酯，在130℃条件下混合0.5小时；S3：将步骤S2所得的混合物与对苯二酚、溶剂、防老剂在35℃条件下混合1小时，放冷即可。
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CN104277719B (zh) * 2014-10-31 2015-12-30 浙江红高梁木业有限公司 一种抗冻的木地板胶粘剂的制备方法
CN104893616A (zh) * 2015-05-27 2015-09-09 合肥卓元科技服务有限公司 一种氯丁橡胶胶粘剂
CN105238299B (zh) * 2015-09-25 2018-07-06 安徽大松树脂有限公司 一种耐候耐低温氯丁橡胶胶黏剂
CN105885732A (zh) * 2016-05-11 2016-08-24 苏州富通高新材料科技股份有限公司 一种耐候耐热的氯丁橡胶胶黏剂及其制备方法
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CN109627988A (zh) * 2018-11-26 2019-04-16 天长市永泰密封材料有限公司 一种高粘结强度氯丁密封胶
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CN101781538B (zh) * 2010-03-12 2011-10-05 杭州电子科技大学 一种氯丁胶粘剂的制备方法
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