Process and apparatus for blending viscous polymers in solvent

A viscous polymer is passed through a filament or thread forming apparatus (2) and introduced into a flowing solvent. The polymer containing solvent is then passed through a shear strain apparatus (18) where the polymer not formed into filaments or threads is formed into long fibers and the solvent...

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Bibliographic Details
Main Author JOHNSTON; RAY L
Format Patent
LanguageEnglish
Published 24.11.1992
Subjects
APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS
CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS
MAKING GRANULES OR PREFORMS
MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS
NATURAL OR ARTIFICIAL THREADS OR FIBRES
PERFORMING OPERATIONS
PREPARATION OR PRETREATMENT OF THE MATERIAL TO BESHAPED
RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIALCONTAINING PLASTICS
SPINNING
TEXTILES
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:A viscous polymer is passed through a filament or thread forming apparatus (2) and introduced into a flowing solvent. The polymer containing solvent is then passed through a shear strain apparatus (18) 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 (18) may be introduced into a holding apparatus (30) wherein the polymer and solvent are retained until the polymer has gelled.
Bibliography:Application Number: US19910816012