Improved polyester polymers

Details Improved polyester polymers Improved polyester polymers

C - Chemistry, Metallurgy

08

L

C08L 67/00 (2006.01) C08J 3/22 (2006.01) C08K 5/3435 (2006.01) C08K 5/3462 (2006.01)

Patent

CA 2289881

The disclosure pertains to an intimate molecular mixture of polyester with an effective amount of compound (I) (see formula I) where n=2, 3 or 4 and at least one R4 group represents a sterically hindered amine group adjacent to the carbonyl, and preferably each R4 group is a hindered amino group. Exemplary R4 groups are according to formulae (.alpha.): (see formula II)

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