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

1977-07-27

1979-05-15

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Synthetic fiber

162146, 162164R, 162164EP, 162168R, 162168N, 162168NA, 162182, 427221, 427444, 428394, 428395, D21H 512

Patent

active

041546474

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: 3288770 (1966-11-01), Butler
patent: 3403113 (1968-09-01), Diethelm et al.
patent: 3556932 (1971-01-01), Coscia et al.
patent: 3677888 (1972-07-01), Economou
patent: 3686109 (1972-08-01), Aldrich et al.
patent: 3743570 (1973-07-01), Yang et al.
patent: 3816556 (1974-06-01), Coscia et al.
patent: 3914354 (1975-10-01), Ueki et al.

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