Alkanolamine esters of 1, 1'-biphenyl-2,2'-diyl-and...

C - Chemistry – Metallurgy – 08 – K

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31/6, 400/7067,

C08K 5/52 (2006.01) C07F 9/6574 (2006.01) C08K 5/13 (2006.01) C08K 5/527 (2006.01) C09K 15/32 (2006.01) C10M 137/04 (2006.01)

Patent

CA 1159078

ABSTRACT OF THE DISCLOSURE The title compounds are prepared by reacting alkylated 1,1'-biphenyl-2,2'-diol or alkylated 2,2'-alkylidene-bis-phenol with phosphorus trichloride in an organic solvent and then reacting the intermediate phosphorochlorodite with an alkanolamine. Said phosphites are us ?l as stabilizers of organic polymers and lubricating oils, especially as processing stabilizer for polyolefins, elastomers, polyesters and polycarbonates.

390557

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