Polymeric thermoplastic materials, comprising 1,2,4-triazolidine

Details Polymeric thermoplastic materials, comprising 1,2,4-triazolidine Polymeric thermoplastic materials, comprising 1,2,4-triazolidine

1992-02-03

1993-03-23

Hoke, Veronica P.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524105, 524106, C08K 53492, C08K 33472

Patent

active

051964651

ABSTRACT:
The present invention relates to polymeric thermoplastic materials stabilized against thermal degradation by means of using one or more compounds of the formula (I) ##STR1## in which R.sub.1 is e.g. C.sub.1 -C.sub.4 alkyl or phenyl and n is e.g. 1 or 2 and, when n is 1, R.sub.2 is e.g. C.sub.1 -C.sub.4 alkyl, phenyl or cyclohexyl, and, when n is 2, R.sub.2 is e.g. C.sub.2 -C.sub.6 alkylene, methylenedicyclohexylene, a group ##STR2## methylphenylene or methylenediphenylene.

REFERENCES:
patent: 4377694 (1983-03-01), Giesecke et al.
patent: 4396736 (1983-08-01), Dhein et al.
patent: 4419520 (1983-12-01), Rottmaier et al.
patent: 4433085 (1984-02-01), Rottmaier et al.
patent: 4467099 (1984-08-01), Giesecke et al.
patent: 4665190 (1987-05-01), Merten et al.
Derwent Abstract 86018 E/41.
Chem. Abstract 98, 145160k (1983).
Derwent Abstract 83-717862/30.
Chemical Abstract, 99, 141080g.
Derwent Abstract 90-299007/40.
Chemical Abstract, 114, 103011f (1991).

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