Method and apparatus for producing para-aramid pulp and pulp...

Details Method and apparatus for producing para-aramid pulp and pulp... Method and apparatus for producing para-aramid pulp and pulp...

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.

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