Process for preparing anhydride-terminated thermoplastic...

Details Process for preparing anhydride-terminated thermoplastic... Process for preparing anhydride-terminated thermoplastic...

C - Chemistry, Metallurgy

08

G

C08G 64/42 (2006.01) C08G 64/14 (2006.01)

Patent

CA 2083326

PROCESS FOR PREPARING ANHYDRIDE- TERMINATED THERMOPLASTIC POLYMERS Abstract of the Disclosure Thermoplastic polymers having recurring carbonate units in the main chain, such as polycarbonates, may be functionalized with anhydride functional groups by effecting a catalytic transesterification of hydroxy-terminated thermoplastic polymers, such as a polycarbonate, with a trimellitic anhydride salicylate ester, preferably trimellitic anhydride phenyl salicylate ester (TMA- PSE). Anhydride functionalized polycarbonates may be used to form ductile, solvent resistant blends with polyamides.

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