Process and apparatus for blending viscous polymers in solvent

Details Process and apparatus for blending viscous polymers in solvent Process and apparatus for blending viscous polymers in solvent

1991-12-30

1992-11-24

Cohan, Alan

Fluid handling

Processes

Affecting flow by the addition of material or energy

137896, F17D 116

Patent

active

051654407

ABSTRACT:
A viscous polymer is passed through a filament or thread forming apparatus and introduced into a flowing solvent. The polymer containing solvent is then passed through a shear strain apparatus where the polymer not formed into filaments or threads is formed into long fibers and the solvent and polymer are thoroughly blended. The polymer and solvent leaving the shear strain apparatus may be introduced into a holding apparatus wherein the polymer and solvent are retained until the polymer has gelled.

REFERENCES:
patent: 3582050 (1971-06-01), Kozak
patent: 3826279 (1974-07-01), Verschuur
patent: 3886972 (1975-06-01), Scott
patent: 4422830 (1983-12-01), Perkins
patent: 4688589 (1987-08-01), Brainerd
patent: 4722363 (1988-02-01), Allyn
patent: 4756326 (1988-07-01), Johnston
patent: 4771799 (1988-09-01), Baxter
patent: 4771800 (1988-09-01), Pomeroy
patent: 5067508 (1991-11-01), Lee

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