公开(公告)号：US20200070204A1

公开(公告)日：2020-03-05

申请号：US16552509

申请日：2019-08-27

Applicant: SABIC GLOBAL TECHNOLOGIES B.V.

Inventor： Fen Zhang ,  Hengjie Lai ,  Yaming Niu ,  Yapeng Fang

IPC: B05D7/00 ,  C08K5/5397 ,  C08K5/07 ,  B05D1/18 ,  B05D3/06 ,  C08G18/61 ,  C08G18/81 ,  C08L69/00

Abstract: A polycarbonate article comprises: a substrate comprising a poly(carbonate-bisphenol arylate ester) composition that comprises, based on the total weight of the poly(carbonate-bisphenol arylate ester) composition, 90 to 99.9 wt. %, preferably 95 to 99.9 wt. % of a poly(carbonate-bisphenol arylate ester), and 0.1 to 10 wt. %, preferably 0.1 to 5 wt. % of an additive comprising at least one of a processing aid, a heat stabilizer, an antioxidant, and an ultra violet light absorber; and a siloxane urethane acrylate coating disposed on at least a portion of a surface of the substrate, the siloxane urethane acrylate coating having a thickness of greater than or equal to 8 micrometers; wherein the article has a pencil hardness of 2H or harder when measured according to ASTM D3363-00 at 1,000 g force on the siloxane urethane acrylate coating.