| 摘要 |
<p>The invention provides a cellulose derivative having a repeating unit of the formula below, a composition including the cellulose derivative and a phospholipid, a method for production thereof, and an adhesion barrier including the cellulose derivative or the composition.
In the formula, R 1 , R 2 , and R 3 are -H, -CH 2 -COOH, -CH 2 -COOX, or -CH 2 CO-phosphatidylethanolamine, and X is an alkali metal or an alkali earth metal. The degree of substitution of -CH 2 -COOH and -CH 2 -COOX is 0.3 to 2.0 in total, and the degree of substitution of -CH 2 CO-phosphatidylethanolamine is 0.001 to 0.05.</p> |
