Phosphites, process for producing them and their use

Details Phosphites, process for producing them and their use Phosphites, process for producing them and their use

1997-08-22

1998-11-03

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

558 85, 558 92, 558179, C08K 5527, C07F 902

Patent

active

058309365

ABSTRACT:
Phosphites which are a deterioration inhibitors for organic material represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, or certain hydrocarbyl radicals; X represents a direct bond, a sulfur atom or a methylene group which may optionally be substituted; Z is --A.sup.1 --CO--O--Y.sup.1 or --A.sup.2 --O--CO--Y.sup.2 wherein A.sup.1 is a direct bond or an alkylene group; Y.sup.1 is aralkyl or aryl; A.sup.2 is a residue of a dihydric alcohol; and Y.sup.2 is alkyl, aralkyl or a phenyl group, and a process for producing the same are provided.

REFERENCES:
patent: 3396130 (1968-08-01), Leistner et al.

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