Lyocell Fibrillation Behavior and Control
topic
Lyocell's characteristic fibrillation occurs under mechanical stress in wet state, where surface microfibrils (50-100 nm diameter, 10-50 μm length) separate creating peach-skin effect. Controlled fibrillation produces unique aesthetics; enzymatic (cellulase) treatment reduces unwanted fibrillation by 70-90%, while crosslinking agents (DMDHEU, citric acid) prevent fibrillation for industrial applications.
Role
Fibrillation control is critical: controlled fibrillation creates luxury aesthetics in fashion textiles, while suppression is essential for workwear, home textiles, and technical applications requiring abrasion resistance.
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