Synthetic polymeric fibrids, fibrid products and process for the

Details Synthetic polymeric fibrids, fibrid products and process for the Synthetic polymeric fibrids, fibrid products and process for the

1975-12-22

1980-05-27

Fisher, Richard V.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

162146, 162157R, 264140, B29C 2300

Patent

active

042050251

ABSTRACT:
Polymeric fibrids and paper-like structures produced therefrom are disclosed. These fibrids are produced by preparing an aqueous solution of a film forming polymer, injecting the solution into a liquid precipitating medium miscible with water but in which the polymer is insoluble, and providing sufficient shear to directly and rapidly precipitate the polymer to fibrid morphology. The fibrids, which are desirably first treated to render them more hydrophobic, may be formed into a web and dried utilizing conventional paper-making techniques to obtain the paper-like structures of the invention.

REFERENCES:
patent: 2687944 (1954-08-01), Johnson et al.
patent: 2999788 (1961-09-01), Morgan
patent: 3114672 (1963-12-01), Schott
patent: 3114747 (1963-12-01), Campbell

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