Back to results
US 12,703,766 B2Granted
Matting polymer composition having excellent weather resistance and impact resistance, and matte sheet including the same
AssigneeHannanotech Co., Ltd.
InventorsDoo Han Ha, Soo Wan Kim, Sung Wook Ha
Life of this patent
Estimating the term…
Abstract
Provided are a matting polymer composition having excellent weather resistance and impact resistance, and a matte sheet including the same. The matting polymer composition according to the present disclosure includes two kinds of styrene-acrylonitrile copolymers having different acrylonitrile contents, and a matting agent, and thus, a molded article manufactured by an extrusion or injection process has mechanical properties such as excellent weather resistance and impact resistance, and also may show an effective matting effect and excellent appearance quality.
Claims14
A matting polymer composition comprising:
- (A) acrylate-styrene-acrylonitrile graft copolymer;
- (B-1) first styrene-acrylonitrile copolymer;
- (B-2) second styrene-acrylonitrile copolymer;
- and
- (C) a matting agent;
- wherein the first styrene-acrylonitrile copolymer and the second styrene-acrylonitrile copolymer have different acrylonitrile contents from each other;
- and
- wherein the matting agent is prepared from a composition for reaction extrusion including polystyrene (PS), a styrene-acrylonitrile copolymer (SAN), a N-phenylmaleimide-based copolymer (PMI), an alicyclic epoxy compound, and an acid compound.
5 more elements
Dependencies are inferred from the claim text.