Process for the production of fluid aqueous dispersions of polym

Details Process for the production of fluid aqueous dispersions of polym Process for the production of fluid aqueous dispersions of polym

1982-11-24

1985-04-02

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524534, 524745, 524502, C08K 542

Patent

active

045088624

ABSTRACT:
This invention relates to a process for the production of an aqueous dispersion based on homo- and copolymers of conjugated dienes which is fluid under normal conditions and has a solids content of from 25 to 55%, by weight, and an average latex particle diameter of from 20 to 150 nm, characterized in that in an aqueous dispersion based on homo- and co-polymers of conjugated dienes which has been produced by one of the conventional processes and is not fluid under normal conditions and is free from alkane polysulphonate salts, from 0.05 to 0.5%, by weight, based on the solids content of the dispersion, of a water-soluble salt of at least one alkane polysulphonate is uniformly distributed in the form of a dilute aqueous solution and is dissolved in the aqueous phase of the dispersion.

REFERENCES:
patent: 3795647 (1974-03-01), Duggan
patent: 4327004 (1982-04-01), Schmidt et al.

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