Producing para-aramid pulp by means of gravity-induced shear for

Details Producing para-aramid pulp by means of gravity-induced shear for Producing para-aramid pulp by means of gravity-induced shear for

1990-08-09

1992-04-21

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

To form particulate product

1621573, 264212, 264299, 264233, 264 37, 26433119, 425224, B29C 3914

Patent

active

051065606

ABSTRACT:
A method for producing para-aramid pulp by using gravity-induced orientation of anisotropic para-aramid solutions. The solutions are those in which the para-aramid is still actively polymerizing. The process can be practiced on immobile inclined supports or on a moving inclined support in the form of a conveyer.

REFERENCES:
patent: 2485249 (1949-10-01), Weir
patent: 3767756 (1972-06-01), Blades
patent: 4389357 (1983-06-01), Chu et al.
patent: 4511623 (1985-04-01), Yoon et al.
patent: 4737407 (1988-04-01), Wycech
patent: 4814120 (1989-03-01), Huc et al.
patent: 4876040 (1989-10-01), Park et al.
patent: 4893999 (1990-01-01), Chmelir et al.
Fluid Flow, 2nd Edition, Sabersky et al., MacMillan, 1971, pp. 9-11.
Transport Phenomena, Bird et al., John Wiley, pp. 34-43.

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