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. 10, 2014
Filed:
Dec. 18, 2009
Vera Taschner, Köln, DE;
Thomas Eckel, Dormagen, DE;
Achim Feldermann, Düsseldorf, DE;
Eckhard Wenz, Köln, DE;
Dieter Wittmann, Leverkusen, DE;
Vera Taschner, Köln, DE;
Thomas Eckel, Dormagen, DE;
Achim Feldermann, Düsseldorf, DE;
Eckhard Wenz, Köln, DE;
Dieter Wittmann, Leverkusen, DE;
Bayer MaterialScience, Leverkusen, DE;
Abstract
The present disclosure relates to impact-modified polycarbonate compositions which comprise a graft polymer containing silicone/acrylate composite rubber as the graft base, wherein the content of silicone rubber is 65-95 wt. % (based on the graft base), talc having a dvalue (also called 'top cut') of less than 20 μm and phosphorus-containing flame retardant, the use of the polycarbonate compositions for the production of shaped articles and the shaped articles themselves. The compositions and moulding compositions according to the disclosure have an optimum combination of good flameproofing, good resistance to chemicals and hydrolysis and good mechanical properties (i.e. in particular a high E modulus and high notched impact strength a).