CN111560777A - 一种抗顶破疏水涂层织物 - Google Patents

一种抗顶破疏水涂层织物 Download PDF

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CN111560777A
CN111560777A CN202010448578.9A CN202010448578A CN111560777A CN 111560777 A CN111560777 A CN 111560777A CN 202010448578 A CN202010448578 A CN 202010448578A CN 111560777 A CN111560777 A CN 111560777A
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蒋生华
许群章
叶保生
王建平
蒋秦峰
刘向东
戚水江
孙庆平
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Zhejiang Huasheng Technology Co ltd
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Abstract

本发明涉及一种抗顶破疏水涂层织物，所述涂层织物包括织物层、聚氯乙烯膜层和含氟涂覆层，所述所述聚氯乙烯膜层经胶黏剂与织物层贴合，所述含氟涂覆层设置在聚氯乙烯膜层上；所述含氟涂覆层由甲基丙烯酸三氟乙酯、甲基丙烯酸‑2‑羟乙酯、甲基丙烯酸酯类单体经自由基聚合而成的共聚物经甲苯二异氰酸酯固化而成。本发明所述含氟涂覆层能够提高复合膜材料的抗紫外线能力和自洁性能，并有效提高膜材料的耐磨性能和抗顶破性能。

Description

一种抗顶破疏水涂层织物
技术领域
本发明涉及一种涂层织物，具体的说是涉及一种抗顶破疏水涂层织物。
背景技术
涂层织物是一种以特种纺织面料为基布的复合材料，高分子树脂层经高分子胶黏剂在织物一面或正、反两面原位形成单层或多层复合的两层或多层复合材料。涂层织物广泛应用于运动服、羽绒服防雨派克、外套、帐篷、鞋袜、窗帘、箱包以及高级防水透湿功能的滑雪衫，登山服，风衣等；还可应用于国防、航海、捕鱼、海上油井、运输等领域。
聚氯乙烯涂层织物是以聚氯乙烯为高分子树脂层的纺织复合膜材料，价格便宜，弹性和柔韧性较好，具有良好的变形能力，对于裁剪和施工过程中的误差有较好的适应性。但是由于涂层织物中聚氯乙烯成分的强度较低，容易发生顶破、刺穿等物理损伤，而且聚氯乙烯抗紫外线能力差，涂层变化使得表面产生发黄和发粘的现象，空气中的脏物容易附着在膜面上，导致材料和耐久性降低，限制了聚氯乙烯涂层织物的应用范围。
发明内容
为了克服现有技术的不足，本发明提供了一种抗顶破疏水涂层织物，其具有优异的抗顶破性能和高度疏水表面性能。
为实现上述目的，本发明所采取的技术方案为：
一种抗顶破疏水涂层织物，所述涂层织物包括织物层、聚氯乙烯膜层和含氟涂覆层，所述所述聚氯乙烯膜层经胶黏剂与织物层贴合，所述含氟涂覆层设置在聚氯乙烯膜层上；所述含氟涂覆层由甲基丙烯酸三氟乙酯、甲基丙烯酸-2-羟乙酯、甲基丙烯酸酯类单体经自由基聚合而成的共聚物经甲苯二异氰酸酯固化而成。
作为优选，所述含氟涂覆层中含有二氧化硅纳米颗粒，其含量占涂覆层总质量的1％～5％，更为优选的，二氧化硅纳米颗粒含量占涂覆层总质量的3％。
作为优选，所述二氧化硅纳米颗粒的平均粒径为5～20纳米，更为优选的，二氧化硅纳米颗粒的平均粒径为10纳米。含氟涂覆层中添加二氧化硅纳米颗粒有助于进一步增加膜材料的抗顶破强度和疏水程度。
作为优选，所述织物层通过高强涤纶丝、聚酰胺纤维长丝编织而成。所述高强涤纶丝的规格为400～3000dtex。
作为优选，所述含氟涂覆层的厚度为10～100微米。
作为优选，所述含氟涂覆层的厚度为20～30微米。可以获得较好的经济和处理效果。
作为优选，所述固化温度为70～90℃，固化时间为20～40min。
作为优选，甲基丙烯酸三氟乙酯的用量为40～50重量份、甲基丙烯酸-2-羟乙酯的用量为10～20重量份、甲基丙烯酸酯类单体的用量为5～25重量份；甲苯二异氰酸酯的用量为15～30重量份。
作为优选，所述甲基丙烯酸酯类单体为乙酰乙酸基甲基丙烯酸乙酯、甲基丙烯酸丁酯、甲基丙烯酸丙酯、甲基丙烯酸乙酯、甲基丙烯酸甲酯中的一种或二种以上的任意组合。
由甲基丙烯酸三氟乙酯、甲基丙烯酸-2-羟乙酯、乙酰乙酸基甲基丙烯酸乙酯单体经自由基聚合合成氟碳涂料(共聚物)，氟碳涂料和甲苯二异氰酸酯分别利用喷雾方法喷涂于聚氯乙烯膜表面，一定温度下固化一段时间而得含氟涂覆层。
作为优选，含氟涂覆层由甲基丙烯酸三氟乙酯45重量份、甲基丙烯酸-2-羟乙酯15重量份、乙酰乙酸基甲基丙烯酸乙酯13重量份经自由基聚合而成的共聚物经甲苯二异氰酸酯24重量份固化而成；含氟涂覆层中含有3重量份平均粒径为10纳米的二氧化硅颗粒。
相对于现有技术，本发明的有益效果在于：
(1)含氟涂覆层为惰性材料，具有良好的化学稳定性，因此抗紫外线能力和外界不良因素能力强，耐久性及自洁性能好；
(2)透光率较小，能让光线均匀分散，对光的反射率较高，可减少热量的传递，降低聚氯乙烯成分的老化速率；
(3)丙烯酸酯共聚物中甲基丙烯酸-2-羟乙酯单体由来的羟基以及甲基丙烯酸酯类单体(如乙酰乙酸基甲基丙烯酸乙酯)由来的通过可逆反应而得的羟基均可与甲苯二异氰酸酯反应，形成机械性能良好的三位网络交联结构，可赋予膜材料良好的耐磨性能和抗顶破性能。
附图说明
图1是本发明涂层织物的结构示意图。
具体实施方式
下面结合具体实施例对发明作进一步说明，但发明的保护范围并不限于此。本领域的普通技术人员可以且应当知晓任何基于本发明实质精神的简单变化或者替换均应属于本发明所要求的保护范围。
实施例1
参照图1，一种抗顶破疏水涂层织物，所述涂层织物包括织物层1、聚氯乙烯膜层2和含氟涂覆层3，所述所述聚氯乙烯膜层2经高分子胶黏剂与织物层1贴合，所述高分子胶黏剂为聚氯乙烯增塑糊，其是由聚氯乙烯和增塑剂分散于环己酮配制的乳液，组成为聚氯乙烯(10phr)，邻苯二甲酸二异壬酯(3phr)，气相二氧化硅(0.5phr)，环己酮(100phr)；所述含氟涂覆层3设置在聚氯乙烯膜层2上；所述含氟涂覆层的厚度为25微米。
所述织物层1通过高强涤纶丝(550dtex/96f高强抗芯吸涤纶丝)、聚酰胺纤维长丝编织而成；所述含氟涂覆层3由甲基丙烯酸三氟乙酯45重量份、甲基丙烯酸-2-羟乙酯15重量份、乙酰乙酸基甲基丙烯酸乙酯单体13重量份经自由基聚合而成共聚物，经甲苯二异氰酸酯24重量份于80℃下固化30min而得。含氟涂覆层还含3重量份平均粒径为10纳米的二氧化硅纳米颗粒。
顶破强力：参照GB/T 19976-2005《纺织品顶破强力的测定：钢球法》；
接触角：采用SL200B接触角测量仪测试；
划格法涂层破环面积：漆膜附着力测定法GB 1720-79(89)。
测试结果：20mm圆形冲头顶破力3410N，冲破位移31mm；疏水角135°；划格法涂层破环面积3％。
实施例2
参照图1，一种抗顶破疏水涂层织物，所述涂层织物包括织物层1、聚氯乙烯膜层2和含氟涂覆层3，所述所述聚氯乙烯膜层2经高分子胶黏剂与织物层1贴合，所述含氟涂覆层3设置在聚氯乙烯膜层2上；所述含氟涂覆层的厚度为20微米。
所述织物层1通过高强涤纶丝、聚酰胺纤维长丝编织而成；所述含氟涂覆层3由甲基丙烯酸三氟乙酯45重量份、甲基丙烯酸-2-羟乙酯11重量份、乙酰乙酸基甲基丙烯酸乙酯7重量份、甲基丙烯酸丁酯16重量份经自由基聚合而成共聚物，经甲苯二异氰酸酯18重量份于80℃下固化30min而得。含氟涂覆层还含3重量份平均粒径为10纳米的二氧化硅纳米颗粒。
测试结果：20mm圆形冲头顶破力3320N，冲破位移34mm；疏水角131°；划格法涂层破环面积5％。
实施例3
参照图1，一种抗顶破疏水涂层织物，所述涂层织物包括织物层1、聚氯乙烯膜层2和含氟涂覆层3，所述所述聚氯乙烯膜层2经高分子胶黏剂与织物层1贴合，所述含氟涂覆层3设置在聚氯乙烯膜层2上；所述含氟涂覆层的厚度为30微米。
所述织物层1通过高强涤纶丝、聚酰胺纤维长丝编织而成；所述含氟涂覆层3由甲基丙烯酸三氟乙酯45重量份、甲基丙烯酸-2-羟乙酯15重量份、乙酰乙酸基甲基丙烯酸乙酯单体13重量份经自由基聚合而成共聚物，经甲苯二异氰酸酯22重量份于80℃下固化30min而得。含氟涂覆层还含5重量份平均粒径为15纳米的二氧化硅纳米颗粒。
测试结果：20mm圆形冲头顶破力3310N，冲破位移32mm；疏水角132°；划格法涂层破环面积4％。
实施例4
参照图1，一种抗顶破疏水涂层织物，所述涂层织物包括织物层1、聚氯乙烯膜层2和含氟涂覆层3，所述所述聚氯乙烯膜层2经高分子胶黏剂与织物层1贴合，所述含氟涂覆层3设置在聚氯乙烯膜层2上；所述含氟涂覆层的厚度为25微米。
所述织物层1通过高强涤纶丝、聚酰胺纤维长丝编织而成；所述含氟涂覆层3由甲基丙烯酸三氟乙酯45重量份、甲基丙烯酸-2-羟乙酯17重量份、乙酰乙酸基甲基丙烯酸乙酯5重量份、甲基丙烯酸甲酯15重量份经自由基聚合而成共聚物，经甲苯二异氰酸酯15重量份于80℃下固化30min而得。含氟涂覆层还含3量份平均粒径为10纳米的二氧化硅纳米颗粒。
测试结果：20mm圆形冲头顶破力3230N，冲破位移32mm；疏水角131°；划格法涂层破环面积6％。
实施例5
参照图1，一种抗顶破疏水涂层织物，所述涂层织物包括织物层1、聚氯乙烯膜层2和含氟涂覆层3，所述所述聚氯乙烯膜层2经高分子胶黏剂与织物层1贴合，所述含氟涂覆层3设置在聚氯乙烯膜层2上；所述含氟涂覆层的厚度为25微米。
所述织物层1通过高强涤纶丝、聚酰胺纤维长丝编织而成；所述含氟涂覆层3由甲基丙烯酸三氟乙酯45重量份、甲基丙烯酸-2-羟乙酯15重量份、乙酰乙酸基甲基丙烯酸乙酯单体13重量份经自由基聚合而成共聚物，经甲苯二异氰酸酯24重量份于80℃下固化30min而得。
测试结果：20mm圆形冲头顶破力3220N，冲破位移33mm；疏水角130°；划格法涂层破环面积4％。
实施例6
织物层和聚氯乙烯膜层经高分子胶黏剂贴合，形成复合织物膜材料。聚氯乙烯膜层上表面涂覆有涂覆层，所述涂覆层由甲基丙烯酸三氟乙酯45重量份、丙烯酸丁酯15重量份、甲基丙烯酸甲酯13重量份经自由基聚合而成的共聚物，经甲苯二异氰酸酯24重量份固化而成。涂覆层另含3重量份平均粒径为10纳米的二氧化硅颗粒。
测试结果：20mm圆形冲头顶破力3060N，冲破位移36mm；疏水角137°；划格法涂层破环面积11％。
实施例7
织物层和聚氯乙烯膜层经高分子胶黏剂贴合，形成复合织物膜材料。聚氯乙烯膜层上表面涂覆有涂覆层，所述涂覆层由甲基丙烯酸三氟乙酯45重量份、丙烯酸丁酯15重量份、甲基丙烯酸甲酯13重量份经自由基聚合而成的共聚物，经甲苯二异氰酸酯24重量分固化而成。涂覆层另含3重量份平均粒径为5微米的碳酸钙颗粒。
测试结果：20mm圆形冲头顶破力3210N，冲破位移36mm；疏水角130°；划格法涂层破环面积7％。

Claims (10)

1.一种抗顶破疏水涂层织物，其特征在于：所述涂层织物包括织物层、聚氯乙烯膜层和含氟涂覆层，所述所述聚氯乙烯膜层经胶黏剂与织物层贴合，所述含氟涂覆层设置在聚氯乙烯膜层上；所述含氟涂覆层由甲基丙烯酸三氟乙酯、甲基丙烯酸-2-羟乙酯、甲基丙烯酸酯类单体经自由基聚合而成的共聚物经甲苯二异氰酸酯固化而成。
2.根据权利要求1所述抗顶破疏水涂层织物，其特征在于：所述含氟涂覆层中含有二氧化硅纳米颗粒，其含量占涂覆层总质量的1％～5％。
3.根据权利要求1所述抗顶破疏水涂层织物，其特征在于：所述二氧化硅纳米颗粒的平均粒径为5～20纳米。
4.根据权利要求1所述抗顶破疏水涂层织物，其特征在于：所述织物层通过高强涤纶丝、聚酰胺纤维长丝编织而成。
5.根据权利要求1所述抗顶破疏水涂层织物，其特征在于：所述含氟涂覆层的厚度为10～100微米。
6.根据权利要求5所述抗顶破疏水涂层织物，其特征在于：所述含氟涂覆层的厚度为20～30微米。
7.根据权利要求1所述抗顶破疏水涂层织物，其特征在于：所述固化温度为70～90℃，固化时间为20～40min。
8.根据权利要求1或2所述抗顶破疏水涂层织物，其特征在于：甲基丙烯酸三氟乙酯的用量为40～50重量份、甲基丙烯酸-2-羟乙酯的用量为10～20重量份、甲基丙烯酸酯类单体的用量为5～25重量份；甲苯二异氰酸酯的用量为15～30重量份。
9.根据权利要求8所述抗顶破疏水涂层织物，其特征在于：所述甲基丙烯酸酯类单体为乙酰乙酸基甲基丙烯酸乙酯、甲基丙烯酸丁酯、甲基丙烯酸丙酯、甲基丙烯酸乙酯、甲基丙烯酸甲酯中的一种或二种以上的任意组合。
10.根据权利要求9所述抗顶破疏水涂层织物，其特征在于：含氟涂覆层由甲基丙烯酸三氟乙酯45重量份、甲基丙烯酸-2-羟乙酯15重量份、乙酰乙酸基甲基丙烯酸乙酯13重量份经自由基聚合而成的共聚物经甲苯二异氰酸酯24重量份固化而成；含氟涂覆层中含有3重量份平均粒径为10纳米的二氧化硅颗粒。
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