Method for making a salt free solid polymer from a polymer emuls

Details Method for making a salt free solid polymer from a polymer emuls Method for making a salt free solid polymer from a polymer emuls

1982-12-09

1985-08-13

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526193, C08F 200

Patent

active

045351376

ABSTRACT:
What is disclosed is a method for making a substantially salt free solid polymer product from an emulsion polymer prepared with the aid of a free emulsifier acid having a pKa in the 1.0 to 4.5 range, the dispersion so obtained being precipitated by the addition thereto of a strong acid.

REFERENCES:
patent: 3054786 (1962-09-01), Burkholder et al.
patent: 3288772 (1966-11-01), Becker
patent: 3480578 (1969-11-01), Witt
patent: 4302377 (1981-11-01), Gurak et al.
patent: 4306648 (1981-12-01), Yoshida et al.
patent: 4336638 (1982-05-01), Wolfers et al.
patent: 4448945 (1981-05-01), Fink et al.
"Mechanism of Polymer Reactions", G. M. Burnett, Interscience Publishers Inc., New York (1954), pp. 301-303.

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