Flashspun fabric is a nonwoven fabric formed from fine fibrillation of a film by the rapid evaporation of solvent and subsequent bonding during extrusion.
A pressurised solution of, for example, high-density polyethylene (HDPE) or polypropylene in a solvent such as fluoroform is heated, pressurised and pumped through a hole into a chamber. When the solution is allowed to expand rapidly through the hole the solvent evaporates to leave a highly oriented non-woven network of filaments.
See also
References
- Operath, Larry (2007). The Illustrated Dictionary of Textile. Lotus Press. p. 87. ISBN 978-81-89093-62-4.
- D.V. Rosato; Marlene G. Rosato (2000). Concise Encyclopedia of Plastics. Springer. p. 268. ISBN 978-0-7923-8496-0.
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