Wear resistant poly(aryl ether ketone)/polyimide blends

Details Wear resistant poly(aryl ether ketone)/polyimide blends Wear resistant poly(aryl ether ketone)/polyimide blends

C - Chemistry, Metallurgy

08

L

400/5047

C08L 71/00 (2006.01) C08L 77/00 (2006.01) C08L 79/08 (2006.01)

Patent

CA 1266341

WEAR RESISTANT POLY(ARYL ETHER KETONE)/POLYIMIDE BLENDS ABSTRACT OF THE DISCLOSURE Blends comprising A.) at least one poly(aryl ether ketone), and B.) at least one polyimide having repeating units of the formula Image (I) wherein R1 is a substituted or unsubstituted tetravalent radical having benzenoid unsaturation, and R2 is a substituted or unsubstituted divalent group having aromatic unsaturation, which polyimide is essentially free of (i) backbone ether oxygen bonded directly to the aromatic ring forming an imide linkage and (ii) amide linkages bonded through carboxyl groups bonded to the aromstic ring forming an imide linkage. The blends exhibit good melt processability and wear resistance greater than the individual blend components.

504780

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