Peroxide compounds containing hindered amine moieties with...

Details Peroxide compounds containing hindered amine moieties with... Peroxide compounds containing hindered amine moieties with...

C - Chemistry, Metallurgy

07

D

402/2, 260/277,

C07D 211/44 (2006.01) C07D 211/46 (2006.01) C07D 211/94 (2006.01) C07D 221/20 (2006.01) C07D 401/12 (2006.01) C08K 5/3435 (2006.01)

Patent

CA 2012512

Compounds which contain peroxide linkages as well as a hindered amine light stabilizer moiety of low basicity function as free radical polymerization initiators and provide a polymer containing a hindered amine stabilizer chemically bonded to said polymer. The low basicity of the instant compounds prevents interaction with acid catalysts used in some polymerization systems. Such a compound may be a compound of the formula I (see above formula) a is 1 or 2, n and m are independently 0 or 1, R1 and R2 are independently alkyl of 1 to 4 carbon atoms, or R1 and R2 together are pentamethylene, R3 is, for example, hydrogen or C1-C8 alkyl, X is a group such as -O- or -S-, R4 is a diradical such as C1-C20 alkylene, Y is a group such as -CO- or -SO2-, E is, for example, H or C2-C20 alkanoyl when a is 1 or is, for example, C7-C15-di-tert-alkylene when a is 2.

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