Thermoplastic resin composition for profile extrusion

  • US 5,783,620 A
  • Filed: 02/18/1997
  • Issued: 07/21/1998
  • Est. Priority Date: 05/17/1995
  • Status: Expired due to Term
First Claim
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1. In a method of forming a molded article by profile extrusion of a thermoplastic aromatic polycarbonate resin wherein said thermoplastic aromatic polycarbonate resin is extruded through a die to form said article, the improvement comprising using as said thermoplastic aromatic polycarbonate resin a thermoplastic resin composition comprising(A1) 50 to 95% by weight of a thermoplastic aromatic polycarbonate resin;

  • (A2) 3 to 40% by weight of an acrylonitrile-(ethylenepropylene-diene terpolymer)-styrene resin (AES);

    (B) 0.5 to 30% by weight of a polyethylene; and

    (C) 0 to 30% by weight of a filler,said polyethylene as the component (B) being prepared in the presence of a chromium catalyst,said polyethylene having a melt index of 0.01 to 50 and a density of 0.88 to 0.97, andsaid filler being at least one selected from the group consisting of glass fibers, carbon fibers, needle-like titanium oxide, potassium titanate whiskers, aluminum borate whiskers, zinc oxide whiskers, magnesium sulfate, calcium sulfate, wollastonite, clay, talc, mica, silicon carbide and silicon nitride.

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