Manufacture of fibrids of polyolefins

Details Manufacture of fibrids of polyolefins Manufacture of fibrids of polyolefins

1974-12-13

1978-09-05

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 12, 264 13, B01J 206

Patent

active

041120299

ABSTRACT:
Fibrids of polyolefins showing a high degree of fibrillation and a high specific surface area are obtained by flashing a pressurized solution or polyolefin in pentane or in a pentane-containing solvent by passing said solution through an orifice into a space which is at a lower pressure and in which shearing forces are applied to said solution. The fibrids directly obtained may be used, for example, for the manufacture of paper or for the manufacture of textile-like webs.

REFERENCES:
patent: 3042970 (1962-07-01), Terenzi
patent: 3081519 (1963-03-01), Blades et al.
patent: 3287301 (1966-11-01), Fysh et al.
patent: 3342921 (1967-09-01), Brundige et al.
patent: 3461193 (1969-08-01), Gilardi
Sander et al., Manufacture of Fibrids of Polyolefins U.S. Application S.N. 532,193, filed Dec. 12, 1974.

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