Method of preparing crosslinked poly(vinyl alcohol)

Details Method of preparing crosslinked poly(vinyl alcohol) Method of preparing crosslinked poly(vinyl alcohol)

1981-12-02

1983-05-24

Levin, Stanford M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

252 85A, C08F 812, C08F 828

Patent

active

043851550

ABSTRACT:
Poly(vinyl acetate) latex reacted with an aldehyde at acid pH to prepare crosslinked poly(vinyl alcohol) suitable as water-loss agent in drilling fluids.

REFERENCES:
patent: 2158311 (1939-05-01), Starck et al.
patent: 3011861 (1961-12-01), Tanabe et al.
patent: 3963618 (1976-06-01), Muir
patent: 4164602 (1979-08-01), Fabel

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