METHODS FOR IMPROVING BOND BETWEEN POLYMERIC WINDSHIELD GASKET AND ADHESIVE

United States Patent Application（美国专利申请号）： 20120126566

Abstract：Disclosed herein are embodiments of a windshield assembly and methods for mounting a windshield to a vehicle frame. An exemplary method for mounting a windshield to a vehicle frame comprise treating a surface of a polymeric gasket with fluoro-oxidation, positioning the gasket on the windshield, treating the surface of the gasket with a liquid composition comprising one or more reactive adhesion promoters, applying a polyurethane-based adhesive to the treated surface of the gasket; and positioning the windshield and gasket against a mounting surface of the vehicle frame such that the adhesive adheres the treated surface of the gasket to the mounting surface.

Background: U.S. Pat. No. 5,073,175 discloses fluoro-oxidized polymeric membranes for gas separation and a process for preparing them. U.S. Pat. No. 6,441,128 discloses ethylene chlorotrifluoroethylene (ECTFE) surfaces modified by fluoro-oxidation and a process therefor. U.S. Publication No. 2005/0005990 discloses a method for making tubular articles having a fluoro-polymer film adhered to a metal substrate. U.S. Publication No. 2005/0191435 discloses a method for improving barrier properties of plastic containers by subjecting the containers to a reactive gas atmosphere in order to improve adhesion of coatings. U.S. Publication No. 2009/0130314 discloses a system for adhesion treatment, coating and curing of wood polymer composites.

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