Protection from ultraviolet light by use of novel...

Details Protection from ultraviolet light by use of novel... Protection from ultraviolet light by use of novel...

C - Chemistry, Metallurgy

08

K

6/122, 400/7077

C08K 5/35 (2006.01) C08K 5/36 (2006.01) C08L 101/00 (2006.01)

Patent

CA 1197644

A B S T R A C T A photo-stabilized polymer composition comprising a polymer and as an ultraviolet absorber, at least one compound selected from specific cyclic imino esters having an aromatic nucleus, two carbon atoms of which forms a part of the imino ester ring, such as 2,2'-p-phenylene bis(3,1-benzoxazin-4-one), or2,8-dimethyl-4H,6H-benzo[1,2-d:5,4-d']bis-[1,3]-oxazine-4,9- dione, in the unreacted state. The ultraviolet absorber has excellent stability to heat and oxidation, and is useful, for example, for protecting from ultraviolet light a molded article of a polymer whose deterioration by ultraviolet light is required to be retarded or prevented or for protecting from ultraviolet light an object subject to deleterious effects under ultraviolet light.

405161

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