Method for forming high strength composites

Details Method for forming high strength composites Method for forming high strength composites

1977-08-17

1980-02-05

Bashore, S. Leon

Paper making and fiber liberation

Processes and products

Plural fiber containing

162168R, 162168N, 162168NA, 162169, D21H 338

Patent

active

041871421

ABSTRACT:
A process for preparing a high strength composite by (A) mixing (1) an aqueous slurry of negatively charged, water-insoluble natural or synthetic fiber such as cellulose fiber, (2) a latex having a high density of pH independent cationic charges, such as sulfonium, bound at or near the particle surface, (3) a water-soluble, high molecular weight anionic polymer co-additive, such as a hydrolyzed polyacrylamide and optionally (4) conventional wet end additives; (B) draining water from the resulting aqueous suspension; (C) drying by heating.

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Alince et al., J.A.P.S. vol. 20, 2209-2219 (1976).

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