Azo free radical initiators containing hindered amine moieties w

Details Azo free radical initiators containing hindered amine moieties w Azo free radical initiators containing hindered amine moieties w

1990-02-14

1991-06-04

Morgan, Kriellion

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524102, 524103, 546 16, 546188, 546190, 546204, 546206, 546229, 546230, 546242, 546246, 546247, C08K 53435, C07D21134, C07D21140, C07D21158

Patent

active

050214802

ABSTRACT:
Compounds which contain azo linkages as well as a hindered amine light stabilizer moiety of low basicity function as free radical polymerization initiators and provide a polymer containing a hindered amine stabilizer chemically bonded to said polymer. The low basicity of the instant compounds prevents interaction with acid catalysts used in some polymerization systems.

REFERENCES:
patent: 3994857 (1976-11-01), Holt
patent: 4665185 (1987-05-01), Winter et al.
Shlyapintokh et al., "Developments in Polymer Stabilisation", V, 41-70, (1982).
Chemical Abstracts, vol. 79, 105051b, 1973.

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