Patent ID: 9365720
Filing Date: 2016-06-14
CPC Classification: C08K,C08L

Claim Text:
1. A railway component, wherein the component is a molded or extruded interior train component comprising a polycarbonate composition comprising: a first polycarbonate selected from a linear polycarbonate homopolymer, a branched polycarbonate, a poly(carbonate-bisphenol arylate ester), a poly(aliphatic ester-carbonate), or a combination comprising at least one of the foregoing; a second polymer different from the first polycarbonate, the 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; wherein a sample of the polycarbonate composition has: a smoke density after 4 minutes (DS-4) of less than or equal to 300 determined according to ISO 5659-2 on a 3 mm thick plaque at 50 kW/m a maximum average heat release (MAHRE) of equal to or less than 90 kW/m wherein the component is free of a polyetherimide.