2,2,6,6-Tetramethyl-4-piperidyl-substituted heterocyclic ring co

Details 2,2,6,6-Tetramethyl-4-piperidyl-substituted heterocyclic ring co 2,2,6,6-Tetramethyl-4-piperidyl-substituted heterocyclic ring co

1981-07-23

1982-10-26

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524105, 524180, 524291, C08K 534

Patent

active

043562795

ABSTRACT:
A novel 2,2,6,6-tetramethyl-4-piperidyl substituted nitrogen heterocyclic ring compound is provided which is useful as a stabilizer for organic polymers. Organic polymers containing the novel 2,2,6,6-tetramethyl-4-piperidyl substituted nitrogen heterocyclic ring compound exhibit improved resistance to deterioration induced by light, by heat or by a combination of light and heat. The novel 2,2,6,6-tetramethyl-4-piperidyl substituted nitrogen heterocyclic ring compound is prepared by a novel method comprising the step of reacting 2,2,6,6-tetramethyl-4-piperidyl substituted 1,2-aliphatic diamine with a monoaldehyde or dialdehyde.

REFERENCES:
patent: 4251435 (1981-02-01), Son et al.
patent: 4279804 (1981-07-01), Cantatore et al.
patent: 4293467 (1981-10-01), Hardy et al.

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