Composite interlayer for laminated glass

Details Composite interlayer for laminated glass Composite interlayer for laminated glass

B - Operations, Transporting

32

B

B32B 27/40 (2006.01) B32B 17/10 (2006.01) B32B 27/08 (2006.01) B32B 27/30 (2006.01)

Patent

CA 2453355

A composite interlayer suitable for using laminated glass includes a layer of placticized polyvinyl butyrl sandwiched between second and third polymeric layers. In a preferred embodiment, at least one and preferably both of the second and third layers are less than 0.125 mm (.005 inches) thick and formed of an aliphatic polyurethane.

L'invention concerne une intercouche composite pour verre stratifié, cette intercouche comprenant une couche de butyral polyvinylique plastifié prise en sandwich entre une deuxième et une troisième couche polymère. Dans un mode de réalisation préféré, au moins une couche, de préférence à la fois la deuxième et la troisième couche, est inférieure à 0,125 mm (.005 pouces) d'épaisseur et constituée d'un polyuréthanne aliphatique.

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