Oligomeric diazaoxaspirodecanes, preparation thereof and use...

C - Chemistry – Metallurgy – 07 – D

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260/278, 402/46,

C07D 498/10 (2006.01) C07D 519/00 (2006.01) C08G 59/14 (2006.01) C08G 65/22 (2006.01) C08K 5/35 (2006.01) C08K 5/38 (2006.01)

Patent

CA 1285949

ABSTRACT OF THE DISCLOSURE The present invention relates to oligomeric tetraalkyl- piperidine light stabilizers for polymers, to the pre- paration thereof from known polyalkyldiazaspirodecanes and epoxides, and to the use thereof for stabilizing poly- mers against the damaging effect of light, heat and oxygen.

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