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Comment Processing & Handling

Jet spinning  

By Chemical Engineering |

At the end of May, Teijin Twaron B.V. (Arnhem, Netherlands; edlinks.chemengonline.com/6897-543) opened a new pilot-production plant for producing a new generation of Twaron para-aramides pulp using a new jet-spinning process. The company did not disclose process details except to say that the standard operations of polymerization, jet spinning, washing and solvent regeneration are performed in fewer steps. Although there are no definite plans for large-scale production using the new process, a production plant at the company’s Delfzijl, Netherlands, site could be operational by 2011, depending on the success of the pilot tests. The new process will not replace standard pulp production, but will expand the product range into new markets, such as for technical paper with high chemical and thermal stability, says the firm. Applications include filtration paper, electrical and thermal insulation, gaskets and printed wiring boards.
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