Process for preparing strong aromatic polyamide papers of high p

Details Process for preparing strong aromatic polyamide papers of high p Process for preparing strong aromatic polyamide papers of high p

1992-05-13

1993-06-29

Chin, Peter

Paper making and fiber liberation

Processes and products

Plural fiber containing

162146, 1621573, 162206, 162207, D21H 1326

Patent

active

052230945

ABSTRACT:
Papers with improved tensile strength and increased porosity are obtained by heat treatment of calendered sheets of poly(p-phenylene terephthalamide) short fibers and poly(m-phenylene isophthalamide) fibrids.

REFERENCES:
patent: 3756908 (1973-09-01), Gross
patent: 4519873 (1985-05-01), Amano et al.
patent: 4775580 (1988-10-01), Dighton
patent: 4897301 (1990-01-01), Uno et al.
patent: 4992141 (1991-02-01), Sullivan
patent: 5089088 (1992-02-01), Hendren et al.
Research Disclosure, Dec. 1979, p. 674.

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