Process for producing chloroprene rubber

Details Process for producing chloroprene rubber Process for producing chloroprene rubber

1996-01-31

1997-04-29

Teskin, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526225, 526295, 528487, C08F 224

Patent

active

056250185

ABSTRACT:
A chloroprene rubber having a shade of white only slightly tinged with pale yellow and exhibiting good tackiness is prepared by an aqueous radical emulsion polymerization of chloroprene or a mixture comprised of chloroprene and a copolymerizable monomer, wherein the polymerization is effected by using an alkali metal salt of a disproportioned rosin acid as an emulsifier, and a water-soluble polymeric substance as a dispersion stabilizer which has a sulfonic acid group and/or sulfate ester groups, which group has been introduced by an addition polymerization procedure or by a procedure of a polymeric reaction following an addition polymerization.

REFERENCES:
patent: 2914497 (1959-11-01), Keller
patent: 4704441 (1987-11-01), Musch
patent: 4975501 (1990-12-01), Musch et al.
patent: 5258466 (1993-11-01), Sackmann et al.

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