The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 2021
Filed:
May. 16, 2019
Sabic Global Technologies B.v., Bergen Op Zoom, NL;
Yagang Chen, Shanghai, CN;
Wei Shan, Shanghai, CN;
Shijie Song, Shanghai, CN;
Yaming Niu, Shanghai, CN;
SHPP GLOBAL TECHNOLOGIES B.V., Bergen op Zoom, NL;
Abstract
A polycarbonate composition contains, based on the total weight of the polycarbonate composition: one or more polycarbonate homopolymers; a poly(carbonate-siloxane) copolymer comprising siloxane units with an average block length of 5 to 120, preferably 10 to 100, the poly(carbonate-siloxane) copolymer being present in an amount effective to provide 2.5 to 10 wt % of siloxane units based on the total weight of the polycarbonate composition; 1 to 8 wt % of an elastomer-modified graft copolymer; 0.01 to 5 wt % of a silicone oil; and 0.1 to 8 wt % of an additive; and wherein the composition has a melt mass flow rate higher than 16 g/10 min, determined in accordance with ASTM D1238 under a load of 1.2 kg at 300° C. with a dwelling time of 300 seconds; and an Izod notched impact energy of at least 700 J/m measured at 23° C. on a sample of 3.2 mm thickness according to ASTM D256-10.