Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized comp

Details Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized comp Alkylated 1,1'-biphenyl-2,2'-diyl phosphites and stabilized comp

1978-01-03

1980-04-01

Taylor, Hosea E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106177, 252400A, 260 458R, 260 4585B, 260799, 260927R, 260936, C07F 9145, C08K 552

Patent

active

041961170

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

REFERENCES:
patent: 3297631 (1967-01-01), Bown et al.
patent: 3415906 (1968-12-01), Shepard et al.
patent: 3558554 (1971-01-01), Kuriyama et al.
patent: 3796684 (1974-03-01), Dever et al.
patent: 4094855 (1978-06-01), Spivack
Kirpichnikov et al., Chem. Abs., vol. 73, 1970, 15657a.

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