Method and film for producing laminated safety glass panes

Details Method and film for producing laminated safety glass panes Method and film for producing laminated safety glass panes

B - Operations, Transporting

32

B

B32B 17/10 (2006.01) C03C 27/12 (2006.01)

Patent

CA 2388107

The invention relates to a one-step method for producing laminated safety glass panes. Said laminated safety glass panes consists of at least two glass panes and a plasticized, partially acetalized polyvinyl alcohol interlayer. According to the non--autoclave method, a plasticized, partially acetalized polyvinyl alcohol film with a roughness R z between 70 µm and 150 µm is used.

L'invention concerne un procédé à une étape destiné à la production de vitres de sécurité composites. Ces vitres de sécurité composites sont composées d'au moins deux vitres et d'une couche intermédiaire en alcool polyvinylique partiellement acétylé et contenant un plastifiant. Dans le procédé sans autoclave, on utilise un film d'alcool polyvinylique partiellement acétylé et contenant un plastifiant. Ce film a une rugosité Rz comprise entre 70 mu m et 150 mu m.

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