Polyester compositions

Details Polyester compositions Polyester compositions

C - Chemistry, Metallurgy

08

G

402/33

C08G 63/66 (2006.01) C08G 63/672 (2006.01)

Patent

CA 1163042

ABSTRACT OF THE DISCLOSURE: UV stable linear polyesters, e.g. polyethylene terephthalate, contain in their chain copolymerised 2-hydroxy-di(hydroxyalkoxy)benzophenone. The polyesters are useful for making biaxially oriented films. The polyesters can be made by polycondensation in the presence of 2,4,4'-trihydroxybenzophenone.

366434

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