Process for the manufacture of fibrids of thermoplastics materia

Details Process for the manufacture of fibrids of thermoplastics materia Process for the manufacture of fibrids of thermoplastics materia

1973-02-26

1977-03-22

White, Robert F.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By impinging plural liquid masses

264 14, B01J 206

Patent

active

040137449

ABSTRACT:
A process for the manufacture of fibrids of thermoplastics materials by extruding molten thermoplastics through dies and breaking up the extrudate into fibers by means of a liquid medium causing shear stresses within a small volume, to which end the extrudate is passed to a zone of high energy dissipation so that it is completely divided up into fibers of the desired size in a single pass.

REFERENCES:
patent: 3042970 (1962-07-01), Terenzi
patent: 3389194 (1968-06-01), Somerville

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