Process for producing water-soluble polymers

Details Process for producing water-soluble polymers Process for producing water-soluble polymers

1979-04-09

1981-04-07

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526204, 526209, 526218, 526219, 526292, 526303, C08F 404, C08F12054

Patent

active

042607132

ABSTRACT:
Water-soluble polymers having high molecular weight with little branching and good water solubility, particularly acrylamide series polymers having excellent flocculation effect can be obtained when 2,2'-azobis-(N,N'-dimethyleneisobutylamidine) or an acid addition salt thereof or a mixture of 2,2'-azobis(N,N'-dimethyleneisobutylamidine) or an acid addition salt thereof and another azo compound is used as polymerization initiator.

REFERENCES:
patent: 3428618 (1969-02-01), Cook et al.
patent: 3951934 (1976-04-01), Ohshima et al.
Hammond et al., "Decomposition of Azobisamidines" 5-20-63 J. Am. Chem. Soc. 1501-1508.

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