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:
Jun. 27, 2017
Filed:
Nov. 17, 2015
Sabic Global Technologies B.v., Bergen Op Zoom, NL;
Ramon Groote, Oisterwijk, NL;
James Franklin Hoover, Evansville, IN (US);
Robert Dirk Van De Grampel, Tholen, NL;
Mark Adrianus Johannes Van Der Mee, Breda, NL;
Remco Wirtz, Bergen Op Zoom, NL;
Jian Yang, Shanghai, CN;
Junhua Zhang, Breda, NL;
SABIC GLOBAL TECHNOLOGIES B.V., Bergen Op Zoom, NL;
Abstract
A polycarbonate composition comprises: 30 to 95 wt % of one or more bisphenol A polycarbonate homopolymers; and 5 to 70 wt % of a poly(carbonate-siloxane) copolymer with a siloxane content of 10 wt. % to 25 wt. % based on the total weight of the poly(carbonate-siloxane), in an amount effective to provide a total siloxane content of 0.5 wt. % to 17.5 wt. % based on the total weight of the composition; the poly(carbonate-siloxane) copolymer comprising bisphenol carbonate units and siloxane units of the formulas or a combination comprising at least one of the foregoing, wherein E has an average value of 10 to 100, preferably 20 to 60, more preferably 30 to 50; wherein in the poly(carbonate-siloxane) copolymer less than 0.5 mol % of the siloxane units are directly coupled to another siloxane units.