A regenerated cellulose fiber, which, although chemically similar to cotton, differs in that its molecular weight is about one-fifth and crystallinity about one-half that of cotton. under ambient conditions, the fiber absorbs about 14% moisture, and when soaked, can swell and absorb almost 70% by weight water. The fiber, however, becomes significantly weaker when wet. One of the major applications of the fiber, therefore, has been in externally used disposable absorbent products.
References for this information:
Biotextiles as Medical Implants, 2013, Pages 3-47
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