N-Heterocyclic substituted acryloyl polymeric compounds

Details N-Heterocyclic substituted acryloyl polymeric compounds N-Heterocyclic substituted acryloyl polymeric compounds

1979-10-05

1981-06-30

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

20415922, 526259, 526265, C08F22034, C08F22054, C08F22060

Patent

active

042764017

ABSTRACT:
Copolymeric compounds which carry side N-heterocyclic rings and contain the recurring structural unit of the formula (I) ##STR1## in which R.sub.1 and R.sub.2 are hydrogen and R.sub.3 is hydrogen or C.sub.1 -C.sub.4 alkyl and R.sub.4 is a N-heterocyclic substituent, their preparation and their use as light stabilizers and UV absorbers in organic material and also the organic material stabilized with the aid of these compounds.

REFERENCES:
patent: 2727021 (1955-12-01), Price
patent: 3705166 (1972-12-01), Murayama et al.
patent: 3901849 (1975-08-01), Dodson et al.
European Search Report 496.
European Search Report 1803.

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