Method of making chlorosulfonated polyethylene

Details Method of making chlorosulfonated polyethylene Method of making chlorosulfonated polyethylene

1989-02-02

1989-10-03

Henderson, Christopher

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

5253339, C08F 838

Patent

active

048718157

ABSTRACT:
An excellent cold-proof chlorosulfonated polyethylene and a method of manufacturing the same featured in that a polyethylene is once dissolved in a solvent by heating up them over a dissolution temperature of the polyethylene, then cooled and thus obtained homogeneous solution of the polyethylene is allowed to react with a sulfuryl chloride in the presence of a catalyst of a radical generating agent in the dissolution temperature region of the polyethylene or in a temperature region lower than the former one.

REFERENCES:
patent: 2586363 (1952-02-01), McAlevy
patent: 3079362 (1963-02-01), Nersasian
patent: 3131159 (1964-04-01), Orthner
patent: 3180856 (1965-04-01), Szalla
patent: 3296222 (1967-01-01), Dixon
patent: 3299014 (1967-01-01), Kalil
Abu-isa, Ismat A. et al., J. Polymer Science, vol. 11, 225-231, (1973).

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