Alkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-b

Details Alkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-b Alkanolamine ester of 1,1-biphenyl-2,2-diyl-and alkylidene-1,1-b

1981-07-23

1983-02-15

Hoke, V. P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 99, 524100, 524101, 524117, 524119, 252400A, C08K 552

Patent

active

043742190

ABSTRACT:
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 useful as stabilizers of organic polymers and lubricating oils, especially as processing stabilizers for polyolefins, elastomers, polyesters and polycarbonates.

REFERENCES:
patent: 3862053 (1975-01-01), Susi
patent: 4185006 (1980-01-01), Rasberger et al.
patent: 4210576 (1980-07-01), Di Battista et al.
patent: 4252750 (1981-02-01), Buysch et al.
patent: 4259492 (1981-03-01), Rasberger
CA 78 59207m (1973).

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