Process for concentrating aqueous dispersions of polymers of con

Details Process for concentrating aqueous dispersions of polymers of con Process for concentrating aqueous dispersions of polymers of con

1982-11-24

1984-07-24

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

044618638

ABSTRACT:
The invention relates to a process for the production of an aqueous dispersion, fluid under normal conditions, based on homo- and co-polymers of conjugated dienes and having solids contents of from 35 to 55%, by weight, and average particle diameters of from 20 to 150 nm from an aqueous dispersion based on homo- and co-polymers of conjugated dienes which has been obtained by conventional methods, is fluid under normal conditions and does not contain alkane polysulphonates, having a solids content of from 25 to 35%, by weight, and average particle diameters of from 20 to 150 nm by concentration in the presence of a water-soluble salt of at least one alkane polysulphonate.

REFERENCES:
patent: 2936295 (1960-05-01), Brodkey et al.
patent: 3055853 (1962-09-01), Pickell
patent: 3228906 (1966-01-01), Schluter et al.
patent: 3364165 (1968-01-01), Zimmerman
patent: 4327004 (1982-04-01), Schmidt et al.

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