Silicone rubber-fluororesin laminate

申请号 US14916313 申请日 2014-09-03 公开(公告)号 US10025246B2 公开(公告)日 2018-07-17
申请人 NOK Corporation; 发明人 Isao Yoshitake; Toshihiro Higashira; Katsumi Abe;
摘要 A silicone rubber-fluororesin laminate comprising a substrate, and a vulcanized silicone rubber layer and a fluororesin layer that are sequentially formed on the substrate; wherein the fluororesin layer is formed after an epoxy resin-containing silane based primer layer and a fluororesin based primer layer are sequentially formed on the vulcanized silicone rubber layer, and the epoxy resin-containing silane based primer layer contains 30 to 80 wt % of an epoxy resin and 70 to 20 wt % of a silane coupling agent. The silicone rubber-fluororesin laminate does not cause a reduction not only in the initial adhesion, but also in the adhesion between the vulcanized silicone rubber and the fluororesin even in a heated environment, such as a hot state or long-term heating.
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