Dissolving polymers in compatible liquids and uses thereof

Details Dissolving polymers in compatible liquids and uses thereof Dissolving polymers in compatible liquids and uses thereof

1980-01-31

1982-07-20

Cohan, Alan

Fluid handling

Processes

Affecting flow by the addition of material or energy

241 23, 241 65, 422901, F17D 116

Patent

active

043400760

ABSTRACT:
This invention provides a technique for extremely rapid dissolution, or dispersion on essentially the molecular level, of certain polymeric materials in compatible liquid vehicles. The polymeric materials are comminuted at cryogenic temperatures and are then introduced into a liquid vehicle preferably while still at or near cryogenic temperature. At low concentrations, the resulting blend or system displays reduced friction to flow while high concentrations may be used to immobilize the liquid vehicle and/or reduce its vapor pressure.

REFERENCES:
patent: 3215154 (1965-11-01), White
patent: 3771729 (1973-11-01), Freble
A. M. Dubinskaya and P. Yu. Butyagin, "Mechanical-Chemical Investigations of Some Free Radical Reactions in the Solid Phase" Kinetics & Catalysis, vol. 9, pp. 839-846, Jul., 1968.

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