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Lyocell

Mattress with Lyocell as cover material
Label of a coat containing Tencel (a brand of Lyocell)

Lyocell is a semi-synthetic fiber used to make textiles for clothing and other purposes.[1] It is a form of regenerated cellulose made by dissolving pulp and dry jet-wet spinning. Unlike rayon made by the more common viscose processes, Lyocell production does not use carbon disulfide,[2][3] which is toxic to workers and the environment.[4][5][2] Lyocell was originally trademarked as Tencel in 1982.

"Lyocell" has become a genericized trademark, used to refer to the Lyocell process for making cellulose fibers.[3][6] The U.S. Federal Trade Commission defines Lyocell as "a fiber composed of cellulose precipitated from an organic solution in which no substitution of the hydroxy groups takes place, and no chemical intermediates are formed". It classifies the fiber as a sub-category of rayon.[7]

  1. ^ Krässig, Hans; Schurz, Josef; Steadman, Robert G.; Schliefer, Karl; Albrecht, Wilhelm; Mohring, Marc; Schlosser, Harald (2002). "Cellulose". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a05_375.pub2. ISBN 978-3527306732.
  2. ^ a b "Regenerated cellulose by the Lyocell process, a brief review of the process and properties :: BioResources". BioRes. 2018.
  3. ^ a b Tierney, John William (2005). Kinetics of Cellulose Dissolution in N-MethylMorpholine-N-Oxide and Evaporative Processes of Similar Solutions (Thesis).
  4. ^ Swan, Norman; Blanc, Paul (20 February 2017). "The health burden of viscose rayon". ABC Radio National.
  5. ^ Michelle Nijhuis. "Bamboo Boom: Is This Material for You?". Scientific American. doi:10.1038/scientificamericanearth0609-60.
  6. ^ Cite error: The named reference merge was invoked but never defined (see the help page).
  7. ^ "16 CFR 303.7(d)". ecfr.gov.

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