Nickel stabilizers for polyolefins

Details Nickel stabilizers for polyolefins Nickel stabilizers for polyolefins

C - Chemistry, Metallurgy

07

F

400/9435, 260/42

C07F 15/04 (2006.01) C08K 5/52 (2006.01) C08K 5/524 (2006.01)

Patent

CA 1108634

ABSTRACT OF THE DISCLOSURE Products of the reaction of about 30 to 90 parts by weight of a compound of formula (I) Image (I) wherein R1 and R2 are each alkyl radicals having up to 8 car- bon atoms at least one of which is branched on the alpha carbon, and R3 and R4 are each hydrogen or an alkyl radical having up to 18 carbon atoms, and about 70 to 10 parts by weight, respectively, of a secondary or tertiary phosphite are useful for stabilizing polyolefins against degradation by heat and ultraviolet radiation and for rendering polyole- fins dyeable by chelatable dyes such as aromatic ortho hydroxy azo dyes.

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