Oligomeric aliphatic hals phosphites and hals phosphonites...

Details Oligomeric aliphatic hals phosphites and hals phosphonites... Oligomeric aliphatic hals phosphites and hals phosphonites...

C - Chemistry, Metallurgy

07

F

C07F 9/59 (2006.01) C08G 79/04 (2006.01) C08K 5/00 (2006.01) C08K 5/524 (2006.01) C08K 5/529 (2006.01) C08K 5/5393 (2006.01) C08L 85/02 (2006.01)

Patent

CA 2146826

Oligomeric aliphatic HALS phosphites and HALS phosphonites as stabilizers Abstract of the disclosure The invention relates to novel oligomeric compounds of the formula I Image (I) in which L is a group of the formula Image or Image , where the oxygen in the group L is in each case bonded to the phosphorus in the recurring structural units and the radical R2 or the carbon in the 4-position of the piperidinyl ring in the group L is in each case bonded to the oxygen in the recurring structural units; and the general symbols are as defined in claim 1, as stabilizers for organic materials against oxi- dative, thermal or light-induced degradation.

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