Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1993-04-12
1994-04-26
Lipman, Bernard
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
5253378, 5253379, 5253331, 5253332, 525356, C08F 822
Patent
active
053067401
ABSTRACT:
Brominated chlorine-substituted poly-1,3-butadiene is produced by a process in which an aqueous chlorine-substituted poly-1,3-butadiene latex is reacted in aqueous phase with a brominating agent in the presence of a radical-forming catalyst and/or in the presence of light at a pH value below 7 and at a temperature of 20.degree. to 95.degree. C., the brominated reaction product is optionally precipitated from the aqueous dispersion obtained and then separated from the aqueous liquid.
REFERENCES:
patent: 2725373 (1955-11-01), Reynolds
patent: 5028654 (1991-07-01), Wuest et al.
Konigshofen Heinrich
Laas Hans J.
Lucas Heinz W.
Nachtkamp Klaus
Bayer Aktiengesellschaft
Lipman Bernard
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