Ortho-alkylated phenyl phosphonites and stabilized organic compo

Details Ortho-alkylated phenyl phosphonites and stabilized organic compo Ortho-alkylated phenyl phosphonites and stabilized organic compo

1983-05-31

1984-10-02

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524101, 524119, 524126, 524135, C08K 553

Patent

active

044749147

ABSTRACT:
Ortho-alkylated phenyl phosphonites of the formula ##STR1## wherein R.sup.1 is alkyl, phenyl or phenyl substituted by alkyl, R.sup.2 is tertiary alkyl or phenylalkyl, and R.sup.3 is hydrogen, alkyl or phenylalkyl are useful as stabilizers for organic polymers and lubricating oils, particularly as processing stabilizers for polyolefins.

REFERENCES:
patent: 3055861 (1962-09-01), Hersh et al.
patent: 3264324 (1966-08-01), Gould et al.
patent: 3903208 (1975-09-01), Hofer et al.
patent: 3978020 (1976-08-01), Liberti
patent: 4143028 (1979-03-01), Spivack
patent: 4211731 (1980-07-01), Hofer et al.
patent: 4263230 (1981-04-01), Uhing
patent: 4341880 (1982-07-01), Toyoda et al.

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