	US 11,987,697 B2
	Thermoplastic polycarbonate resin composition and molded article produced therefrom
Dong Kil Choi, Uiwang-si (KR); Tae Gon Kang, Uiwang-si (KR); Young Mi Kim, Uiwang-si (KR); and Eun Taek Woo, Uiwang-si (KR)
Assigned to Lotte Chemical Corporation, Seoul (KR)
Filed by LOTTE CHEMICAL CORPORATION, Seoul (KR)
Filed on Oct. 26, 2021, as Appl. No. 17/510,569.
Claims priority of application No. 10-2020-0140807 (KR), filed on Oct. 28, 2020.
Prior Publication US 2022/0127456 A1, Apr. 28, 2022
Int. Cl. C08L 69/00 (2006.01); C08K 5/42 (2006.01); C08K 5/5399 (2006.01); C08L 55/02 (2006.01)

CPC C08L 69/00 (2013.01) [C08K 5/42 (2013.01); C08K 5/5399 (2013.01); C08L 55/02 (2013.01); C08L 2201/02 (2013.01); C08L 2203/30 (2013.01); C08L 2205/025 (2013.01); C08L 2205/035 (2013.01)]

13 Claims

1. A thermoplastic resin composition comprising:

about 100 parts by weight of a polycarbonate resin;

about 0.1 parts by weight to about 1.5 parts by weight of a first rubber-modified vinyl graft copolymer comprising a diene rubber polymer having an average particle diameter of about 50 nm to about 200 nm;

about 0.1 parts by weight to about 1.5 parts by weight of a second rubber-modified vinyl graft copolymer comprising a diene rubber polymer having an average particle diameter of about 250 nm to about 400 nm;

about 0.1 parts by weight to about 1.5 parts by weight of a silicone rubber-modified vinyl graft copolymer;

about 3 parts by weight to about 15 parts by weight of a phosphazene compound; and

about 0.05 parts by weight to about 0.3 parts by weight of an alkali (earth) metal salt of perfluoroalkylsulfonic acid.