Solvent exchange process for carboxyl containing polymer slurrie

Details Solvent exchange process for carboxyl containing polymer slurrie Solvent exchange process for carboxyl containing polymer slurrie

1983-01-19

1983-12-13

Michl, Paul R.

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

Synthetic resins

Treating polymer containing material or treating a solid...

524848, 524490, 524491, C08K 501

Patent

active

044206100

ABSTRACT:
Slurries of cross linked carboxyl acid polymers in petroleum base liquids such as mineral spirits are readily obtained by a solvent exchange process wherein a slurry of cross-linked carboxylic acid polymer in the organic liquid it was polymerized in, said liquid having a boiling point below that of the mineral spirits, is heated to a temperature to distill off the polymerization organic liquid while replacing this organic material with the mineral spirits, which may be done simultaneously while essentially maintaining constant volume if desired.

REFERENCES:
patent: 2798053 (1957-07-01), Brown
patent: 3142664 (1964-07-01), Bauer
patent: 3940351 (1976-02-01), Schlatzer, Jr.
patent: 4087393 (1978-05-01), Tsubuko et al.

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