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

1979-01-25

1981-06-16

Pertilla, Theodore E.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

162164EP, 162167, 162168NA, 260 292N, 260 294UA, 260 296NR, 525420, 525426, 525427, C08L 7706, C08L 6122

Patent

active

042738920

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.

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patent: 2926154 (1960-02-01), Keim
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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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