METHOD FOR ENCAPSULATING GLAZING IN POLYCARBONATE PROVIDED WITH AN ANTI-SCRATCH COATING
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Dec 8, 2015
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Feb 5, 2015
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Abstract
The present invention relates to a process for encapsulating a polycarbonate glazing comprising, on at least one of its faces, a silicone-based abrasion-resistant hardcoat, said process comprising the following successive steps:
- (a) the treatment of a region of the face of the glazing bearing the silicone-based hardcoat by atmospheric plasma with a plasma nozzle, the distance between the end of the plasma nozzle and the surface of the glazing being at most equal to 7 mm,(b) the application, to said region treated by atmospheric plasma, of a primer composition comprising one or more adhesion promoters selected from diisocyanates, polyisocyanates and chlorinated polyolefins, in solution or suspension in an organic or aqueous solvent,(c) the evaporation of the solvent so as to form a dry primer layer, and(d) the overmolding of a thermoplastic polymer over the region covered by the dry primer layer.
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