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:
Jan. 26, 1999
Filed:
Mar. 25, 1998
Samyang Corporation, Seoul, KR;
Abstract
A flame retardant resin composition having improved heat distortion temperature and mechanical properties comprising 5-20 parts by weight of phosphate-based flame retardant and 0.01-10 parts by weight of tetrafluoroethylene powder per 100 parts by weight of PC/ABS which comprises 5-95% by weight of polycarbonate and 5-95% by weight of acrylonitrile-butadiene-styrene copolymer, characterized in that said phosphate-based flame retardant is oligomeric phosphate ester of the following formula I: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each represent cresyl group; n=1 to 3; and X is derived from dihydric bisphenol A and represented by the following formula II. ##STR2## The resin composition according to the invention may be applied to the indoor applications such as the housing of domestic electric appliances, the interior decoration of automobiles, or the like.