Phosphorus type stabilizer and an organic material stabilized by

Details Phosphorus type stabilizer and an organic material stabilized by Phosphorus type stabilizer and an organic material stabilized by

1995-05-19

1996-11-19

Richter, Johann

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

Synthetic resins

Processes of preparing a desired or intentional composition...

558 85, C08K 5527, C07F 96574

Patent

active

055763650

ABSTRACT:
An organic phosphorus compound represented by the following formula (I): ##STR1## wherein R.sup.1 and R.sup.2 independently represent alkyl having 1-8 carbon atoms, cycloalkyl having 5-8 carbon atoms, alkylcycloalkyl having 6-12 carbon atoms, arylalkyl having 7-12 carbon atoms or phenyl; R.sup.3 represents hydrogen or alkyl having 1-8 carbon atoms, X represents a direct bond or --CH(R.sup.4)-- wherein R.sup.4 represents hydrogen or alkyl having 1-8 carbon atoms; a phosphorus type stabilizer for various organic materials such as synthetic resins or synthetic rubbers or an organic material composition comprising the same.

REFERENCES:
patent: 4252750 (1981-02-01), Buysch et al.
patent: 5292785 (1994-03-01), Pastor et al.
Phosphorous and Sulfur, 1984, vol. 19, pp. 1-10, Paul A. Odorisio et al., "Reaction of Seven-and Eight-Membered Cyclic Phosphorochloridites with Alkanolamines".

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