US 7,592,382 B2
Flame retardant poly(arylene ether)/polyamide compositions, methods, and articles
Pravin Kamlakar Borade, Maharashtra (India); Mark Elkovich, Selkirk, N.Y. (US); and Jaykisor Pal, West Bengal (India)
Assigned to Sabic Innovative Plastics IP B.V., (Netherlands)
Filed on Jun. 19, 2007, as Appl. No. 11/764,877.
Application 11/764877 is a continuation in part of application No. 11/271278, filed on Nov. 11, 2005.
Application 11/271278 is a continuation in part of application No. 10/994769, filed on Nov. 22, 2004, granted, now 7,449,507.
Prior Publication US 2007/0244231 A1, Oct. 18, 2007
Int. Cl. C08K 5/5313 (2006.01)
U.S. Cl. 524—133  [524/126] 37 Claims
 
1. A composition comprising:
a poly(arylene ether);
a polyamide;
about 5 to about 15 weight percent glass fiber; and
a flame retardant consisting of a metal dialkyl phosphinate;
wherein the composition excludes any polymer other than the poly(arylene ether) and the polyamide;
wherein the composition excludes electrically conductive fillers;
wherein all weight percents are based on the total weight of the composition; and
wherein the composition has
a flammability rating of V-0 or V-1 measured according to the UL 94 Vertical Burning Test at a thickness of 3 millimeters, and
a notched Izod impact strength of at least 40 Joules/meter measured at 23° C. according to ASTM D256, Method A.