| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide biodegradable polyurethane having high strength, excellent in toughness and moldability, and not generating harmful amine after decomposition. <P>SOLUTION: This biodegradable polyurethane is obtained by reacting a biodegradable polyol, diisocyanate and a chain extender, wherein the biodegradable polyol is poly-ε-caprolactone diol, and the diisocyanate is lysine diisocyanate or 1-3C alkyl ester thereof or butane diisocyanate, and the chain extender is 1, 4-butanediol. <P>COPYRIGHT: (C)2012,JPO&INPIT |
