Preparation of water soluble polymeric flocculants by photopolym

Details Preparation of water soluble polymeric flocculants by photopolym Preparation of water soluble polymeric flocculants by photopolym

1979-06-07

1981-12-29

Briggs, Sr., Wilbert J.

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

20415912, 20415923, 260 17A, 260 174ST, 526200, 526210, C08F 254

Patent

active

043081487

ABSTRACT:
Water soluble polymeric flocculants are prepared by photopolymerizing olefinically unsaturated hydrophilic monomer(s), the photopolymerization recipe including a polyhydroxylated organic additive, such as gluconic acid. Such polyhydroxy compound facilitates solubilization of the resultant flocculants, without substantial decrease in the molecular weight thereof, and ensures against the by-production of water insoluble fractions.

REFERENCES:
patent: 3635857 (1972-01-01), Restaino et al.
patent: 3640826 (1972-02-01), Lang et al.
patent: 3872063 (1975-03-01), Kim
patent: 3919140 (1975-11-01), Hirata et al.
patent: 4024040 (1977-05-01), Phalangas et al.
patent: 4178221 (1979-12-01), Boutin et al.

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