| 摘要 |
PURPOSE:To produce the titled substance excellent in reactivity with chemicals, etc., by subjecting chitin or chotosan to swelling/softening treatment. CONSTITUTION:Chitin or chitosan is activated by destroying its structure by swelling and softening by adjusting its water content to 10-60wt%, cooking it by heating to 150 deg.C or above under compression and quickly releasing it from compression.
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