Oligomeric hals phosphites and hals phosphonites as stabilisers

Details Oligomeric hals phosphites and hals phosphonites as stabilisers Oligomeric hals phosphites and hals phosphonites as stabilisers

C - Chemistry, Metallurgy

07

F

C07F 9/547 (2006.01) C07F 9/59 (2006.01) C08G 79/04 (2006.01) C08K 5/529 (2006.01) C08K 5/5373 (2006.01) C11B 5/00 (2006.01)

Patent

CA 2110550

Oligomeric HALS phosphites and HALS phosphonites as stabilisers Abstract of the Disclosure Novel oligomeric compounds of formula I Image (I) wherein L is a group of formula Image or Image wherein the oxygen atom in the group L is attached to the phosphorus atom in the structu- ral repeating unit, and R5 or the carbon atom in 4-position of the piperidinyl ring in the group L is attached to the oxygen atom in the structural repeating unit, and the remaining symbols are as defined in claim 1, are disclosed as stabilisers for protecting organic material against oxidative, thermal or light-induced degradation.

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