Stabilized poly(aryl ether ketone) compositions

Details Stabilized poly(aryl ether ketone) compositions Stabilized poly(aryl ether ketone) compositions

C - Chemistry, Metallurgy

08

K

400/8304

C08K 3/34 (2006.01) C08K 3/32 (2006.01) C08L 65/00 (2006.01)

Patent

CA 1279742

STABILIZED POLY(ARYL ETHER KETONE) COMPOSITIONS Christine Ellen Vogdes Brackin Larson Andrews ABSTRACT OF THE DISCLOSURE Poly(aryl ether ketones) are stabilized against crosslinking and thermooxidative degradation at elevated temperatures, e.g. temperatures typically used to melt pro- cess the polymer, by incorporating therein a particulate molecular sieve, for example, a crystalline aluminosilicate, such as a synthetic zeolite. The amount of molecular sieve is preferably about 0.5 to about 5% by weight based on the weight of the poly(aryl ether ketone).

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