| 摘要 |
PURPOSE: A film for inner-liner is provided to embody excellent airtighness with a thin thickness, thereby reducing the weight of tire and improving the gas mileage of a vehicle. CONSTITUTION: A film for inner-liner comprises: a substrate film containing the copolymer or the mixture of 50-95wt% polyamide resin and 5-50wt% of a polyether resin; and an adhesive layer containing the condensate of 2-32wt% resorcinol and formaldehyde, and 68-98wt% latex. The adhesive layer is formed on at least one surface of the substrate film, and has 0.1-20 micron thickness. Adhesion to tire carcass layer, manufactured by ASTM D 4394 method, is 15-40kgf. |
