CN108749168B - 高湿摩擦硅橡胶及其制备方法 - Google Patents

高湿摩擦硅橡胶及其制备方法 Download PDF

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CN108749168B
CN108749168B CN201810584570.8A CN201810584570A CN108749168B CN 108749168 B CN108749168 B CN 108749168B CN 201810584570 A CN201810584570 A CN 201810584570A CN 108749168 B CN108749168 B CN 108749168B
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王志良
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Guangdong Liangzhan Organic Silicon Technology Co ltd
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Abstract

本发明公开了一种高湿摩擦硅橡胶，其包括基带及涂覆于该基带上的硅橡胶层，所述硅橡胶层上分布有孔，所述孔的深度小于或等于该硅橡胶层的厚度。本发明还公开了一种高湿摩擦硅橡胶的制备方法，其包括以下步骤：步骤1、将硅橡胶涂覆于玻纤离型膜上，形成硅橡胶层；步骤2、于硅橡胶层上贴合超纤布，烘烤固化；步骤3、将硅橡胶层从玻纤离型膜上分离，于硅橡胶层上打孔，形成高湿摩擦硅橡胶。本发明通过在硅橡胶层上打孔，从而提高产品在有水潮湿情况下的摩擦力，湿摩擦系数可以提高27‑87％。该制备方法工序简洁易操作，效率高。

Description

高湿摩擦硅橡胶及其制备方法
技术领域
本发明涉及硅橡胶生产领域，具体涉及一种高湿摩擦硅橡胶及该高湿摩擦硅橡胶的制备方法。
背景技术
现有技术中，硅橡胶涂层在纺织品印花和合成革领域已经应用越来越广，在干燥状态下，硅胶表面发涩，与皮革、地板等表面摩擦力较大，然而，在有水潮湿情况下，摩擦力下降很多。
在雨天或潮湿环境中，硅橡胶涂层表面与球类、地板等表面摩擦力下降会产生打滑现象，从而影响其正常使用，因此，一种能够在潮湿情况下提供高摩擦力的硅橡胶成为了需求。
发明内容
本发明的目的在于，针对上述问题提供一种高湿摩擦硅橡胶。
本发明的目的还在于，提供一种该高湿摩擦硅橡胶的制备方法。
本发明为实现上述目的所采用的技术方案是：
一种高湿摩擦硅橡胶，其包括基带及涂覆于该基带上的硅橡胶层，所述硅橡胶层上分布有孔，所述孔的深度小于或等于该硅橡胶层的厚度。
所述孔的孔径为0.005-1mm，所述孔的深度大于0.05mm并小于或等于该硅橡胶层的厚度。
每平方厘米面积所述硅橡胶层上分布的孔个数大于或等于25个。
所述硅橡胶层的厚度为0.1mm-10mm。
所述硅橡胶层为加成型液体硅橡胶。
所述硅橡胶层的厚度为0.3mm。
所述基带为超纤布、针织布或离型膜。
一种高湿摩擦硅橡胶的制备方法，其包括以下步骤：
步骤1、将硅橡胶涂覆于玻纤离型膜上，形成硅橡胶层；
步骤2、于硅橡胶层上贴合超纤布，烘烤固化；
步骤3、将硅橡胶层从玻纤离型膜上分离，于硅橡胶层上打孔，形成高湿摩擦硅橡胶。
所述步骤1中，通过涂覆机将加成型液体硅橡胶涂覆于玻纤离型膜上，走带速度3m/min，涂覆厚度0.3mm；
所述步骤2中，硅橡胶层上贴合超纤布后，经100摄氏度烘烤固化。
所述步骤3中，通过机械或激光打孔的方式于硅橡胶层上形成孔，该孔的深度小于或等于硅橡胶层的厚度；每平方厘米面积所述硅橡胶层上分布的孔个数大于或等于25个。
高湿摩擦硅橡胶指的是该硅橡胶在有水潮湿情况下，相比没有设置如本发明中一样结构孔的产品湿摩擦系数明显提高。
本发明的有益效果为：本发明通过在硅橡胶层上打孔，从而提高产品在有水潮湿情况下的摩擦力，湿摩擦系数可以提高27-87％。该制备方法工序简洁易操作，效率高。
具体实施方式
实施例，本实施例提供的一种高湿摩擦硅橡胶，其包括基带及涂覆于该基带上的硅橡胶层，所述硅橡胶层上分布有孔，所述孔的深度小于或等于该硅橡胶层的厚度。
所述孔的孔径为0.005-1mm，所述孔的深度大于0.05mm并小于或等于该硅橡胶层的厚度。
每平方厘米面积所述硅橡胶层上分布的孔个数大于或等于25个。
所述硅橡胶层的厚度为0.1mm-10mm。
所述硅橡胶层为加成型液体硅橡胶。
所述硅橡胶层的厚度为0.3mm。
所述基带为超纤布、针织布或离型膜。
一种高湿摩擦硅橡胶的制备方法，其包括以下步骤：
步骤1、将硅橡胶涂覆于玻纤离型膜上，形成硅橡胶层；
步骤2、于硅橡胶层上贴合超纤布，烘烤固化；
步骤3、将硅橡胶层从玻纤离型膜上分离，于硅橡胶层上打孔，形成高湿摩擦硅橡胶。
所述步骤1中，通过涂覆机将加成型液体硅橡胶涂覆于玻纤离型膜上，走带速度3m/min，涂覆厚度0.3mm；
所述步骤2中，硅橡胶层上贴合超纤布后，经100摄氏度烘烤固化。
所述步骤3中，通过机械或激光打孔的方式于硅橡胶层上形成孔，该孔的深度小于或等于硅橡胶层的厚度；每平方厘米面积所述硅橡胶层上分布的孔个数大于或等于25个。
在本实施例中，孔并没有穿透基带，孔只是形成于硅橡胶层中，孔的设置提高了硅橡胶的湿摩擦系数，增强了在有水潮湿情况下的摩擦力。由于孔并没有对基带造成破坏，从而对产品的结构强度不会造成较大的破坏，仍然满足使用需求。
在本实施例中，硅橡胶采用加成型液体硅橡胶(良展WL-1s)。
在硅橡胶层上打下不同孔径、孔深及孔密的孔，并与为打孔的样品作为对比样，在万能试验机上测试其在有水潮湿状态下的湿摩擦系数。
具体测试结果如下表：
实施例 孔径(mm) 孔深(mm) 孔密(个/cm2) 湿摩擦系数
1 0.005 5 100 1.41
2 0.01 10 100 1.17
3 0.01 15 25 1.26
4 0.01 15 400 1.29
5 0.5 15 25 1.33
6 1 5 25 1.48
7 0.1 15 400 1.72
8 0.1 15 100 1.28
9 0.1 5 100 1.42
10 0.1 10 25 1.54
对比例 0.92
从结果可以看出，打孔后，湿摩擦系数可以提高27-87％。
本发明通过在硅橡胶层上打孔，从而提高产品在有水潮湿情况下的摩擦力，湿摩擦系数可以提高27-87％。该制备方法工序简洁易操作，效率高。
以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制。任何熟悉本领域的技术人员，在不脱离本发明技术方案范围情况下，都可利用上述揭示的技术手段和技术内容对本发明技术方案做出许多可能的变动和修饰，或修改为等同变化的等效实施例。故凡是未脱离本发明技术方案的内容，依据本发明之形状、构造及原理所作的等效变化，均应涵盖于本发明的保护范围内。

Claims (7)

1.一种高湿摩擦硅橡胶，其特征在于，其包括基带及涂覆于该基带上的硅橡胶层，所述硅橡胶层上分布有孔，所述孔的深度小于或等于该硅橡胶层的厚度；
所述孔的孔径为0.005-1mm，所述孔的深度大于0.05mm并小于或等于该硅橡胶层的厚度；
每平方厘米面积所述硅橡胶层上分布的孔个数大于或等于25个。
2.根据权利要求1所述高湿摩擦硅橡胶，其特征在于，所述硅橡胶层的厚度为0.1mm-10mm。
3.根据权利要求1所述高湿摩擦硅橡胶，其特征在于，所述硅橡胶层为加成型液体硅橡胶。
4.根据权利要求2所述高湿摩擦硅橡胶，其特征在于，所述硅橡胶层的厚度为0.3mm。
5.根据权利要求1所述高湿摩擦硅橡胶，其特征在于，所述基带为超纤布、针织布或离型膜。
6.一种权利要求1所述高湿摩擦硅橡胶的制备方法，其特征在于，其包括以下步骤：
步骤1、将硅橡胶涂覆于玻纤离型膜上，形成硅橡胶层；
步骤2、于硅橡胶层上贴合超纤布，烘烤固化；
步骤3、将硅橡胶层从玻纤离型膜上分离，于硅橡胶层上打孔，形成高湿摩擦硅橡胶；
所述步骤3中，通过机械或激光打孔的方式于硅橡胶层上形成孔，该孔的深度小于或等于硅橡胶层的厚度；每平方厘米面积所述硅橡胶层上分布的孔个数大于或等于25个。
7.根据权利要求6所述高湿摩擦硅橡胶的制备方法，其特征在于，所述步骤1中，通过涂覆机将加成型液体硅橡胶涂覆于玻纤离型膜上，走带速度3m/min，涂覆厚度0.3mm； 所述步骤2中，硅橡胶层上贴合超纤布后，经100摄氏度烘烤固化。
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