Process for the production of polyolefine-based fibrids, and the

Details Process for the production of polyolefine-based fibrids, and the Process for the production of polyolefine-based fibrids, and the

1980-04-23

1982-06-01

Hall, James R.

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

By extrusion spraying or gravity fall through orifice

B01J 202

Patent

active

043327494

ABSTRACT:
Polyolefine-based fibrids are produced by the abrupt expansion of a liquid mixture of molten polyolefine and solvent, this mixture being at high temperature and high pressure. The mixture contains the solvent, a polyolefine of normal molecular weight and a polyolefine of low molecular weight onto which a polar monomer has been grafted. The fibrids obtained possess a high proportion of grafted polyolefine on their surface.

REFERENCES:
patent: 4007247 (1977-02-01), Ballard et al.
patent: 4013751 (1977-03-01), Davis et al.
patent: 4107243 (1978-08-01), Stearns et al.
patent: 4110385 (1978-08-01), Sander et al.
patent: 4112029 (1978-09-01), Sander et al.
patent: 4210615 (1980-07-01), Engler et al.
patent: 4260565 (1981-04-01), D'Amico et al.

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