N-Piperidyl tetrahydro-1,4-oxazin-2-one light stabilizers

Details N-Piperidyl tetrahydro-1,4-oxazin-2-one light stabilizers N-Piperidyl tetrahydro-1,4-oxazin-2-one light stabilizers

1984-08-02

1985-10-15

Kight, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

544130, 546209, C08K 534, C07D41300, C07D 2930

Patent

active

045475377

ABSTRACT:
Compounds of the formula L-T, where L is an unsubstituted or substituted tetrahydro-1,4-oxazine-2-one group and T is a substituted 4-piperidinyl hindered amine moiety, are effective light stabilizers for polyolefins and other organic polymers.

REFERENCES:
patent: 2306779 (1942-12-01), Coleman
patent: 3413259 (1968-11-01), Blumell et al.
patent: 3514456 (1970-05-01), Makanishi et al.
patent: 3586678 (1971-06-01), Kuhnis et al.

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