Preparation of hydrophilic polyolefin fibers for use in papermak

Details Preparation of hydrophilic polyolefin fibers for use in papermak Preparation of hydrophilic polyolefin fibers for use in papermak

1977-07-25

1979-05-29

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Synthetic fiber

162146, 162164R, 162164EP, 162168R, 162168N, 162168NA, 162182, 427221, 427444, D21H 512

Patent

active

041566289

ABSTRACT:
Hydrophilic polyolefin fibers may be prepared, for example, by discharging a heated and pressurized solution of an anionic polyolefin composition containing carboxylic functionality into a zone of reduced temperature and pressure, and then modifying the fibers so produced by treatment with an aqueous admixture of selected cationic and anionic water-soluble, nitrogen-containing polymers. Blends of the hydrophilic fibers with wood pulp provide paper products having improved physical properties.

REFERENCES:
patent: 2595935 (1952-05-01), Daniel et al.
patent: 2601597 (1952-06-01), Daniel et al.
patent: 2926116 (1960-02-01), Keim
patent: 3240664 (1966-03-01), Earle
patent: 3556932 (1971-01-01), Coscia et al.
patent: 3677888 (1972-07-01), Economou
patent: 3700623 (1972-10-01), Keim
patent: 3743570 (1973-07-01), Yang et al.
patent: 3816556 (1974-06-01), Coscia et al.

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