Amphoteric polyelectrolyte

Details Amphoteric polyelectrolyte Amphoteric polyelectrolyte

1978-05-19

1981-02-17

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

162164R, 526208, 526212, 526217, 526218, 526229, 5262321, 526240, 526292, C08F21400, C08F21414

Patent

active

042516510

ABSTRACT:
An amphoteric polyelectrolyte which is useful as a paper additive capable of imparting dry strength to paper, a high molecular flocculant, a high molecular dehydrating agent or the like is prepared by copolymerizing a cationic vinyl monomer such as .beta.-methacryloxyethyl trimethylammonium chloride, an anionic vinyl monomer such as acrylic acid and a vinyl monomer such as acrylamide, optionally with a nonionic vinyl monomer such as acrylonitrile, in a solvent in the presence of a catalyst.

REFERENCES:
patent: 3658771 (1972-04-01), Volk et al.
patent: 3843585 (1974-10-01), Kangas et al.
patent: 3901857 (1975-08-01), Sackmann et al.
patent: 3907758 (1975-08-01), Sackmann et al.
patent: 4075183 (1978-02-01), Kawakami et al.
patent: 4111922 (1978-09-01), Beede
patent: 4115339 (1978-09-01), Restaino
patent: 4138446 (1979-02-01), Kawakami et al.

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