B - Operations – Transporting – 05 – D
Patent
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 27/30 (2006.01) C08J 7/04 (2006.01)
Patent
CA 2002178
ABSTRACT OF THE DISCLOSURE Multi-layer plastic elements containing a polycarbonate core, with a polymethacrylate layer containing a UV absorber, and modified to be impact- resistant, applied to the core, where the polymethacrylate plastic layer is composed of methacrylate copolymers, which form compatible mixtures with polycarbonate, especially the polycarbonate of bisphenol A, exhibit good adhesion between the polycarbonate and the polymethacrylate. The methacrylate copolymers are methyl methacrylate copolymers with (meth)acrylic monomers which contain carbocyclic substituents in the ester group. The protective layer containing UV absorber is applied to the polycarbonate plastic in thickness from 1 to 500 µm by coextrusion or by lacquering. 75/map
Fischer Jens-Dieter
Gross Heinz
Rhein Thomas
Siol Werner
Sufke Thomas
Rohm G.m.b.h. Chemische Fabrik
Swabey Ogilvy Renault
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