Piperidine polymers and use thereof as stabilizers

Details Piperidine polymers and use thereof as stabilizers Piperidine polymers and use thereof as stabilizers

1982-03-15

1983-11-01

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525187, 528361, 546188, C07D40112, C08K 534

Patent

active

044130759

ABSTRACT:
There are disclosed new polymers of piperidine having the general formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, each independently of the others, are an alkyl radical having 1 to 4 C, or R.sub.1 and R.sub.2, and/or R.sub.3 and R.sub.4 form a cycloalkylene radical having 3 to 12 C, R.sub.5 is hydrogen, an alkyl, hydroxyalkyl or alkyl-oxy radical having 1 to 6 C, or an aryl or an aryl-alkyl radical having 6 to 18 C, an alkenyl radical having 2 to 6 C or a --(CH.sub.2).sub.X --CO.sub.2 --R.sub.7 radical in which X is a number from 0 to 12, and R.sub.7 =H, a metal, an alkyl, alkylene, alkenyl, alkenylene radical containing 1 to 20 C; R.sub.6 =H or an alkyl having 1 to 4 C and n is an integer from 2 to 100.
Use of the piperidine polymers having general formula (I) as stabilizers of polymeric substances, and polymeric compositions stabilized with said piperidine derivatives are also disclosed.

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patent: 4265803 (1981-05-01), Soma et al.
patent: 4265805 (1981-05-01), Thomas
patent: 4340534 (1982-07-01), Wiezer et al.
patent: 4351915 (1982-09-01), Kubota et al.

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