Patent ID: 7790292
Filing Date: 2010-09-07
Classification: B64C,C08G,C08L,Y10T

Abstract:
1. A window article comprising: a frame and a sheet supported by the frame, wherein the sheet comprises a polysiloxane copolymer composition comprising: wherein E is 4 to 50; each R is the same or different and is a C b.) an arylate-containing unit consisting of: and less than 35 mole percent bisphenol carbonate units of the formula: wherein R wherein the siloxane units of the polysiloxane unit are present in the polysiloxane copolymer composition in an amount of 0.2 to 10 wt % based on the weight of the polysiloxane copolymer composition, wherein the properties of the polysiloxane composition are such that it can be molded into a test chip having a thickness of 2.0±0.12 millimeters that has a haze of less than or equal to 3%, according to ASTM D1003-00, and wherein the sheet has a 2 minute integrated heat release rate of less than or equal to 65 kilowatt-minutes per square meter (kW-min/m