Continuous process for recycling
AssigneeTeijin Aramid B.V.
InventorsHanneke Boerstoel, Wido Nijenhuis, Rene La Faille, Rasid Günes, Said Boudebah, Bert Gebben, Stan Maassen, Naoya Komiya
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Abstract
A continuous process for the recycling of aramid fiber comprising the following steps: combining aramid fibrous material including non-continuous aramid fibers with sulfuric acid to obtain a spin dope comprising aramid, and processing the spin dope including aramid into a continuous aramid fiber. The invention also pertains to a continuous aramid fiber, preferably obtainable by said process, and to a multifilament yarn including the continuous aramid fiber.
Claims13
A continuous process for the recycling of aramid fiber comprising the following steps:
- combining aramid fibrous material comprising non-continuous aramid fibers with sulfuric acid to obtain a spin dope comprising aramid, and
- processing the spin dope comprising aramid into a continuous aramid fiber.
Dependencies are inferred from the claim text.