Process for producing acrylamide polymers

Details Process for producing acrylamide polymers Process for producing acrylamide polymers

1980-06-02

1981-12-15

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526204, 526217, 526218, 5263076, 526219, 526287, 5263031, 528487, C08F 600, C08F 2056

Patent

active

043060455

ABSTRACT:
In the production of a dried acrylamide polymer by polymerizing, in an aqueous medium, acrylamide alone or a monomer mixture comprising 50 mole % or more of acrylamide and at least one monomer copolymerizable therewith with a radical initiator, and then drying the resulting hydrous acrylamide polymer, the allowing of 2-mercaptobenzimidazole to be present in the drying step or a step prior thereto enables the dried acrylamide polymer having a high molecular weight and a good dissolvability in water to be obtained.

REFERENCES:
patent: 3573263 (1971-03-01), Gill
patent: 3969329 (1976-07-01), Hirata et al.
patent: 4138446 (1979-02-01), Kawakami et al.

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