Laminate of thermoplastic resin film and rubber, inner liner material, and pneumatic tire
申请人:The Yokohama Rubber Co., Ltd.
公开号:US11124023B2
公开(公告)日:2021-09-21
A laminate of a thermoplastic resin or thermoplastic elastomer composition film and a rubber composition layer, which can be used as an inner liner for a pneumatic tire, with improved adhesive strength at the interface of the thermoplastic resin or thermoplastic elastomer composition film and the rubber composition layer. A laminate comprising a thermoplastic resin or thermoplastic elastomer composition film and a rubber composition layer, the rubber composition containing a rubber component, a condensate of a phenol compound and formaldehyde, and methylene donor and a vulcanizing agent, wherein 2.5-40% by mass of the rubber component is butyl rubber or halogenated butyl rubber, the content of the condensate is 0.5-20 parts by mass per 100 parts by mass of the rubber component, and the content of the methylene donor is 0.25-200 parts by mass per 100 parts by mass of the rubber component.
一种热塑性树脂或热塑性弹性体组合物薄膜和橡胶组合物层的层压制品,可用作充气轮胎的内衬,热塑性树脂或热塑性弹性体组合物薄膜和橡胶组合物层界面的粘合强度有所提高。一种复合材料,包括热塑性树脂或热塑性弹性体组合物薄膜和橡胶组合物层,橡胶组合物含有橡胶成分、苯酚化合物和甲醛的缩合物、亚甲基供体和硫化剂,其中 2.5-40%(质量百分比)的橡胶组分为丁基橡胶或卤化丁基橡胶,缩合物的含量为每 100 份(质量百分比)橡胶组分 0.5-20 份(质量百分比),亚甲基供体的含量为每 100 份(质量百分比)橡胶组分 0.25-200 份(质量百分比)。