Condensation and addition polymers with n,n'-bridged...

Details Condensation and addition polymers with n,n'-bridged... Condensation and addition polymers with n,n'-bridged...

C - Chemistry, Metallurgy

08

G

C08G 73/06 (2006.01) C08G 18/38 (2006.01) C08G 63/685 (2006.01) C08G 64/02 (2006.01) C08G 65/34 (2006.01) C08G 71/04 (2006.01) C08G 85/00 (2006.01)

Patent

CA 2182404

Condensation and addition polymers which comprise as structural repeating unit N,N'-bridged bistetramethylpiperidyloxy groups of the formula I Image I in which m is 2 or 3 are suitable as light stabilizers and other stabilizers for organic material.

L'invention concerne des polymères de condensation et d'addition qui contiennent, comme unité structurelle récurrente, des groupements bis-tétraméthylpipéridinyloxy à ponts N, N' de la formule (I), dans laquelle la variable m vaut 2 ou 3. Ce type de polymères s'utilisent comme agents de protection contre la lumière et comme stabilisants de matériau organique.

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