INTERIOR TRAIN COMPONENTS HAVING LOW SMOKE AND LOW HEAT RELEASE, AND METHODS OF THEIR MANUFACTURE
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United States of America Patent
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app pub date -
Aug 11, 2016
filing date -
Jan 14, 2014
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Abandoned
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Abstract
A railway component comprises a polycarbonate composition comprising: 25 to 90 wt. % of a poly(aliphatic ester-carbonate); a second polymer comprising a poly(carbonate-siloxane) copolymer, a polydialkylsiloxane, a silicone graft copolymer, or a combination comprising at least one of the foregoing, wherein siloxane units in the second polymer are present in the polycarbonate composition in an amount of 0.3 to 3 wt. %, based on the total weight of the polycarbonate composition; and 10 to 50 wt. % of glass fiber, based on the total weight of the polycarbonate composition. The polycarbonate composition has balanced smoke, heat release, mechanical, and aesthetic properties.
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