Regenerated Protein Fibre Properties Comparison
topic
Common properties across protein fibres: inherent antimicrobial activity (amino acids disrupt bacterial membranes), biocompatibility (minimal immune response), biodegradability (enzymatic degradation 2-12 months), moisture regain (8-18%, higher than cellulose), softness (wool-silk-like hand), but challenges include lower tenacity than cellulose/synthetics (typically 1-3 g/den), processing complexity, and cost ($15-50/kg).
Role
Protein fibres occupy niche between natural animal fibres and regenerated cellulosics, offering unique biological properties justifying premium pricing in medical, hygiene, and sustainable luxury markets.
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