Patent ID: 9527254
Filing Date: 2016-12-27
CPC Classification: B29C,B29D,B60C,C08G,C08J,C08L,C09J,Y10T

Claim Text:
1. A film for a tire inner liner, comprising a base film layer comprising a polyamide-based resin, a copolymer comprising polyamide-based segments and polyether-based segments, and an adhesive layer comprising a resorcinol-formalin-latex (RFL)-based adhesive formed on at least one side of the base film layer, wherein the content of the polyether-based segments is 15 wt % to 50 wt % based on total weight of the base film layer, and the base film layer has at least 3 glass transition temperature peaks, wherein the copolymer comprising polyamide-based segments and polyether-based segments has a weight average molecular weight of 50,000 to 300,000.