Process for the manufacture of discontinuous fibrils

Details Process for the manufacture of discontinuous fibrils Process for the manufacture of discontinuous fibrils

1972-08-01

1980-02-19

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By impinging or atomizing with gaseous jet or blast

264140, 264141, 425 7, B29D 2308

Patent

active

041894553

ABSTRACT:
A continuous fibrillated structure, formed by the abrupt pressure release of a two-phase liquid mixture of polymer and solvent at elevated temperature and pressure so as to cause the instantaneous vaporization of the solvent, is shredded by a stream of fluid directed transversely against the continuous fibrillated structure at the moment of its formation.

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