Patent ID: 9181388
Filing Date: 2015-11-10
Classification: A01G,A47F,A61M,B01D,B29B,B29C,B29K,B29L,B32B,B65D,C08G,C08J,C08K,C08L,C09D,E01F,E04D,G02B,G02F,Y02A,Y10T

Abstract:
1. A polyester composition comprising: (I) at least one polyester which comprises: wherein said polyester comprising the residues of at least one branching agent having 3 or more carboxyl substituents, hydroxyl substituents, or a combination thereof; wherein the total mole % of the dicarboxylic acid component is 100 mole %, and the total mole % of the glycol component is 100 mole %; wherein the inherent viscosity of said polyester is from 0.55 to 0.68 dL/g as determined in 60/40 (wt/wt) phenol/tetrachloroethane at a concentration of 0.25 g/50 ml at 25° C.; and wherein said polyester has a Tg from 110 to 150° C.; and wherein the melt viscosity of said polyester is less than 10,000 poise as measured at 1 radian/second on a rotary melt rheometer at 290° C.; and wherein the polyester has a notched Izod impact strength of at least 7.5 ft-lb/inch at 23° C. according to ASTM D256 with a 10-mil notch in a ⅛ inch thick bar; wherein said polyester composition does not contain polycarbonate.