Light-stabilized organic polymers

Details Light-stabilized organic polymers Light-stabilized organic polymers

C - Chemistry, Metallurgy

08

K

C08K 5/3435 (2006.01) C07D 211/46 (2006.01) C07D 211/58 (2006.01) C07D 211/72 (2006.01) C08K 5/3492 (2006.01) C09D 7/12 (2006.01)

Patent

CA 2289552

Organic polymers light-stabilized by the addition, to said organic polymers, of an effective quantity of one or more compounds belonging to the group of enamines consisting of derivatives of .beta.-keto-esters, or .beta.-keto- amides or 1,3-diketones with primary or secondary aliphatic or aromatic amines, carrying at least one sterically hindered amine group having general formula (I) in the molecule.

Selon l'invention, on stabilise à la lumière des polymères organiques en leur ajoutant une quantité efficace d'un ou de plusieurs composés appartenant au groupe des énamines comprenant des dérivés de .beta.-céto-esters ou de .beta.-céto-amides ou de 1,3-dicétones ainsi que des amines aliphatiques ou aromatiques, primaires ou secondaires, portant dans la molécule au moins un groupe amine stériquement encombré correspondant à la formule (I).

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