Methacrylate protective coating containing a uv-absorber for...

Details Methacrylate protective coating containing a uv-absorber for... Methacrylate protective coating containing a uv-absorber for...

B - Operations, Transporting

05

D

117/205, 18/783

B05D 7/02 (2006.01) B29C 47/06 (2006.01) B32B 27/08 (2006.01) B32B 27/18 (2006.01) B32B 27/30 (2006.01) C08J 7/04 (2006.01) C08K 5/00 (2006.01) C09D 133/12 (2006.01)

Patent

CA 2002177

Multilayered plastic objects are prepared having a core layer of an aromatic polycarbonate in contact with a polymethacrylate film containing a UV absorber. The polymethacrylate film comprises a copolymer of methylmethacrylate and an acrylic or methacrylic ester, (meth)acrylamide, maleimide or mixtures thereof and is compatible with said aromatic polycarbonate at all mixing ratios.

Production d'objets de plastique multi-couches, comportant une couche centrale de polycarbonate aromatique en contact avec une pellicule de polyméthacrylate renfermant un absorbeur d'UV. La pellicule de polyméthacrylate se compose d'un copolymère de méthacrylate méthylique et d'un ester acrylique ou méthacrylique, de (méth)acrylamide, de maléimide ou de leurs mélanges, et est compatible avec le polycarbonate aromatique quel que soit le rapport de mélange.

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