Flame retardant ultraviolet cured multi-layered film

Details Flame retardant ultraviolet cured multi-layered film Flame retardant ultraviolet cured multi-layered film

B - Operations, Transporting

32

B

B32B 27/18 (2006.01) B32B 27/08 (2006.01) C09K 21/14 (2006.01) F21V 8/00 (2006.01) G02B 1/10 (2006.01) G02B 5/04 (2006.01) G02F 1/1335 (2006.01) G06F 1/16 (2006.01) G02F 1/13357 (2006.01)

Patent

CA 2209940

A flame resistant composite film includes a first layer and a second layer that are joined together. The first layer has a light transmission of at least 93 percent and is substantially constructed from a radiation-cured polymer and a flame retardant material. The second layer is constructed primarily from thermoplastic polymer resin. The first and second layer when taken as a whole have a flame retardancy sufficient to pass VTM-2 standard of October 27, 1988, of Underwriters' Laboratories, Inc. Also, microstructured films comprising such flame retardant films, backlit displays comprising such microstructured films, and computers comprising such displays.

Feuil composite ininflammable comportant une première et une deuxième couches jointes ensemble. La première couche possède un facteur de transmission de la lumière d'au moins 93 pour cent et est constitué essentiellement d'un polymère durci par rayonnement et d'un matériau ignifugeant. La deuxième couche est composée principalement de résine de polymère thermoplastique. L'ensemble formé par les deux couches présente une ininflammabilité suffisante pour satisfaire à la norme VTM-2 du 27 octobre 1988 de Underwriters' Laboratories, Inc. En outre, l'invention porte sur les pellicules microstructurées comportant de tels feuils ininflammables, les écrans rétro-éclairés comprenant des pellicules microstructurées et des ordinateurs utilisant de tels écrans.

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