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:
Dec. 21, 1982
Filed:
Dec. 23, 1980
Glenn D Cooper, Delmar, NY (US);
Arthur Katchman, Delmar, NY (US);
General Electric Company, Pittsfield, MA (US);
Abstract
Novel compositions are provided which include a polyphenylene ether resin and EPDM-rubber polystyrene modified or polymerized with silicone oil which is free from unsaturated hydrocarbon groups. Included within the disclosure are methods of preparing and molding such compositions and the molded products obtained therefrom. The compositions provide molded products with substantially better room temperature properties, such as Izod impact and Gardner impact strengths, and surface appearance (gloss), than blends of polyphenylene ether with EPDM-polystyrene with no modifier or modified with an aliphatic mineral oil. Both Izod and Gardner impact strengths at low temperatures are also improved. Also included within the scope of the invention are reinforced and flame-retardant compositions of said polyphenylene ether resin and said EPDM-polystyrene polymerized with silicone oil.