LAMINATED PANE AND ITS PRODUCTION

摘要

PURPOSE: To provide a laminated pane having aptitude good to bond, holding this aptitude for a considerable time and capable of being attached to the opening part of a window by an adhesive. CONSTITUTION: A laminated pane contains an integrated or laminated support of a glass and/or plastic material and a plastic sheet containing at least one outer surface polyurethane film and a bonding prefilm compatible with a film of an adhesive deposited later is provided to at least one zone of the polyurethane film. This prefilm is bonded to the polyurethane film after electric treatment selected from corona discharge type treatment and electric field applying treatment is adapted to at least the zone having to receive the prefilm of the polyurethane film.