Bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-...

Details Bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-... Bis(1-hydrocarbyloxy-2,2,6,6-tetramethylpiperidin-4-yl)-...

C - Chemistry, Metallurgy

07

D

400/7087, 260/27

C07D 211/94 (2006.01) C07D 401/00 (2006.01) C08K 5/3435 (2006.01)

Patent

CA 2012497

Compounds derived from bis(1-hydrocarbyloxy-2,2,6,6- tetramethylpiperidin-4-yl)amine are effective stabilizers in preventing the degradation of polymers subject to the deleterious effects of actinic light. These compounds have the formula: Image wherein n is 1 to 4, R1 and R2 are independently alkyl of 1 to 4 carbon atoms or together R1 and R2 are pentamethylene, E is, for example, C1-C18 alkyl, T is a radical of valence n and when n = 1 then T is, for example H or C2-C20 alkanoyl, when n = 2 then T is, for example, -CO-, when n = 3 then T is, for example, a triacyl radical, and when n = 3 then T is, for example, a tetravalent acyl radical.

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