N-hydrocarbyloxy hindered amine light stabilizers...

Details N-hydrocarbyloxy hindered amine light stabilizers... N-hydrocarbyloxy hindered amine light stabilizers...

C - Chemistry, Metallurgy

07

F

400/7067, 260/29

C07F 9/59 (2006.01) C07F 9/6564 (2006.01) C07F 9/6571 (2006.01) C07F 9/6574 (2006.01) C08K 5/49 (2006.01) C08K 5/51 (2006.01) C08K 5/5399 (2006.01)

Patent

CA 2012496

A-17517/1+2/CGC 1415 N-HYDROCARBYLOXY HINDERED AMINE LIGHT STABILIZERS SUBSTITUTED WITH PHOSPHORUS MOIETIES Abstract of the Disclosure N-Hydrocarbyloxy derivatives of phosphorus substituted 4-amino- and 4-hydroxy-2,2,6,6-tetramethylpiperidine are effective light stabilizers for polymer compositions. These phosphorus compounds include phosphites and cyclic phosphites such as 1,3,2-dioxaphospholanes, 1,3,2-dioxa- phosphorinanes, 1,3,2-oxazaphospholidines, 1,3,2-diaza- phospholidines, 1,3,2-dioxaphosphocins, 1,3,2-dioxaphosphe- pins and 2,4,8,10-tetraoxa-3,9-diphosphaspiro[5,5]- undecanes.

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