Patent ID: 6126856
Filing Date: 2000-10-03
Classification: C08K

Abstract:
A composition comprising:a) a thermotropic liquid crystalline polymer which is an aromatic polyester, poly(ester-amide), poly(ester-imide), poly(ester-amide-imide), or mixtures thereof, andb) 1.0-10 weight percent of an inorganic additive selected from zeolites and titanosilicates, said weight percent of said additive being based on weight of said thermotropic liquid crystalline polymer,wherein:i) when prepared into a polymer bar thickness of 0.79 mm,burn time of said polymer bar is reduced by at least 15% when tested according to Underwriter's Laboratories test UL-94, the tested sample having been aged before testing for 7 days at 70.degree. C., andii) when said inorganic additive is a zeolite, said zeolite has a Si/Al molar ratio of 5 or less, and said composition has a flexural strength of at least 905 of the flexural strength of said thermotropic liquid crystalline polymer in the absence of said inorganic additive zeolite having a Si/Al molar ratio of 5 or less.