Polycondensates of substituted piperidines and use thereof as st

Details Polycondensates of substituted piperidines and use thereof as st Polycondensates of substituted piperidines and use thereof as st

1981-07-29

1983-07-26

Kight, III, John

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524186, 546190, 528367, 528369, 528423, 525186, C08K 534, C08K 516, C08G 7300, C07D21130

Patent

active

043955088

ABSTRACT:
New polycondensates of alkyl-substituted piperidines are disclosed. These new polycondensates are useful for stabilizing thermoplastic polymers, in particular polyolefins, against sunlight, heat and oxidation.
A process for producing the new polycondensates is also disclosed, as well as the polymeric compositions stabilized with said new polycondensates.

REFERENCES:
patent: 4086207 (1978-04-01), Cassandrini et al.
patent: 4104248 (1978-08-01), Cantatore
patent: 4198334 (1980-04-01), Rasberger
patent: 4223147 (1980-09-01), Oertel et al.
patent: 4237297 (1980-12-01), Rody et al.
L. Tompkins, Derivatives of Urethan: Azamalonic Esters, J.A.C.S. 69, pp. 2616-2617 (1947).
Gessner G. Hawley, The Condensed Chemical Dictionary, 1977, p. 82.

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