D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
18/541
D01F 6/60 (2006.01) D01D 5/38 (2006.01) D21H 13/26 (2006.01)
Patent
CA 1324471
TITLE Method and Apparatus for Producing Para-Aramid Pulp And Pulp Produced Thereby ABSTRACT A method for producing para-aramid pulp includes forming a liquid, actively-polymerizing solution and subjecting the solution to orienting flow which produces an optically anisotropic liquid solution with polymer chains oriented in the direction of the flow. when the solution has a viscosity sufficient to maintain the orientation of the polymer chains, the solution is incubated until it gels. The gel is cut transversely at intervals and para-aramid pulp is isolated from the gel. Para-aramid pulp produced by the process can be used similarly to pulp produced from spun fiber.
604219
Brierre Roland Theodore
de La Veaux Stephan Claude
Geary James E. Jr.
Memeger Wesley Jr.
Trancynger Michael L.
E.i. Du Pont de Nemours And Company
Sim & Mcburney
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