| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a simple and efficient production method for a hydroxyethyl cellulose, simple and efficient also in industrial aspect. <P>SOLUTION: In this production method for the hydroxyethyl cellulose, a powder cellulose of low crystallinity is reacted with an ethylene oxide in the presence of a base catalyst of catalytic amount. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
