Dispersible aramid pulp

Details Dispersible aramid pulp Dispersible aramid pulp

1990-02-28

1992-01-28

Hastings, Karen M.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With chemical or physical modification of liberated fiber

162 28, 162 56, 1621573, 162261, 241 1, 241 18, 241 27, 241 29, 264115, 264140, D21D 134

Patent

active

050841360

ABSTRACT:
A process is disclosed for making a compacted, redispersible, aramid pulp fiber product wherein aramid pulp is opened using the forces of a turbulent air grinding mill and then the opened pulp is compacted to the extent desired for shipping.

REFERENCES:
patent: 3242035 (1966-03-01), White
patent: 3610542 (1971-10-01), Yamagishi
patent: 3627630 (1971-12-01), Gagnon
patent: 3775930 (1973-12-01), Mercer et al.
patent: 4347985 (1982-09-01), Simpson
patent: 4472241 (1984-09-01), Provost
patent: 4483743 (1984-11-01), Turbak et al.
patent: 4747550 (1988-05-01), Jackering
patent: 4811908 (1989-03-01), Galati
patent: 4855179 (1989-08-01), Bourland et al.
patent: 4919340 (1990-04-01), Gerber
patent: 4957794 (1990-09-01), Bair
Research Disclosure Item 19037, Feb. 1980, pp. 74-75.
Ultra-Rotor IIIA (Sales Brochure).
Turbo-Mill (Sales Brochure).

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