Water soluble polymers

Details Water soluble polymers Water soluble polymers

1984-11-16

1985-11-19

Griffin, Ronald W.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523332, 523337, 523339, 524814, 524832, C08F 604, C08F 610

Patent

active

045542988

ABSTRACT:
A water soluble polymer containing acid groups can be fractionated into higher and lower molecular weight fractions by partial neutralization of the polymer as a solution in a blend of water and a low molecular weight alcohol and separating the resultant aqueous and organic phases.

REFERENCES:
patent: 3759860 (1973-09-01), Peaker
patent: 3840487 (1974-10-01), Dyson et al.

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