三元乙丙橡胶汽车玻璃导槽密封条3种摩擦层的性能研究

以三元乙丙橡胶为基体材料制备橡胶汽车玻璃导槽密封条,对摩擦层采用植绒、喷涂和聚乙烯(PE)条复合3种工艺的橡胶玻璃导槽密封条的摩擦阻力和耐磨性能进行探讨。结果表明:植绒工艺橡胶玻璃导槽密封条的摩擦阻力较大,PE条复合工艺橡胶玻璃导槽密封条的摩擦阻力较小;植绒、喷涂和PE条复合3种工艺的橡胶玻璃导槽密封条的干、湿耐磨性能均满足或高于国家和行业标准要求,其中湿耐磨性能逊于干耐磨性能,PE条复合工艺橡胶玻璃导槽密封条的干、湿耐磨性能均优异;喷涂工艺橡胶玻璃导槽密封条的耐磨性能与涂层厚度有关,合理的涂层厚度为18~22μm。

Performance of Three Kinds of Friction Layers of EPDM Automobile Glass Guide Sealing Strip

The glass guide sealing strip was prepared by using ethylene-propylene-diene rubber(EPDM)as the matrix material,and the friction resistance and wear resistance of the rubber sealing strip with the friction layer fabricated by using different processes were studied.The friction layer fabricated processes in this study were flocking,spray coating and lamination of polyethylene(PE)strip.The results showed that the friction resistance of the flocking process rubber sealing strip was relatively large,and the friction resistance of the PE strip lamination process rubber sealing strip was small.The dry and wet wear resistance of three processes rubber sealing strip met or exceeded the requirements of national and industrial standards,and the wet wear resistance was inferior to the dry wear resistance.The PE strip lamination process rubber sealing strip had both excellent dry and wet wear resistance.In addition,the wear resistance of the spray coating process rubber sealing strip was related to the thickness of the coating,and the reasonable coating thickness was 18~22μm。