Alkylated 2,2'-biphenylene phosphites and stabilized composition

Details Alkylated 2,2'-biphenylene phosphites and stabilized composition Alkylated 2,2'-biphenylene phosphites and stabilized composition

1981-03-23

1982-09-28

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

106177, 252400A, 260799, 524101, 524117, 524119, C08K 552

Patent

active

043517595

ABSTRACT:
Alkylated 1,1'-biphenyl-2,2'diyl phosphites are prepared by reacting alkylated 2,2'-biphenol with phosphorus trichloride in an organic solvent and then reacting the intermediate with an alcohol or thiol. Said phosphites are useful as stabilizers of organic polymers and lubricating oils, especially as process stabilizers for polyolefins, elastomers, polyesters and polycarbonates.

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L. V. Verizhnikov et al., CA, 75, 130242q (1971).

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