Patent ID: 9492981
Filing Date: 2016-11-15
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 resin and a copolymer comprising polyamide-based segments and polyether-based segments, the polyether-based segments being included in a content of 15 wt % to 50 wt % based on total weight of the film; and an adhesive layer comprising a resorcinol-formalin-latex (RFL)-based adhesive formed on at least one side of the base film layer, wherein a difference between the maximum thickness and the average thickness of the base film layer and a difference between the minimum thickness and the average thickness of the base film layer are respectively 6% or less of the average thickness, wherein the copolymer comprising polyamide-based segments and polyether-based segments has a weight average molecular weight of 50,000 to 300,000.