| 摘要 |
<p>The invention provides biodegradable polyesters, polyurethanes, comprising 3-carboxymuconolactone as a structural unit, 3-carboxymuconolactone esters and a process for their production. Polyesters comprising a repeating unit represented by the following formula (I):
[wherein R represents a hydrocarbon-based divalent residue which, in the structure, optionally contains a heteroatom without an active hydrogen], polyurethanes comprising the polyester structure; 3-carboxymuconolactone esters; and a process for their production.</p> |
| 申请人 |
KABUSHIKI KAISHA TOYOTA JIDOSHOKKI;NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF AGRICULTURE AND TECHNOLOGY;NAGAOKA UNIVERSITY OF TECHNOLOGY;FORESTRY AND FOREST PRODUCTS RESEARCH INSTITUTE |
发明人 |
TAKASHIMA, HIROAKI;YAMAMOTO, YUSUKE;MASE, KOHEI;SHIMO, TOSHIHISA;ABE, TOMOKUNI;SHIGEHARA, KIYOTAKA;KATAYAMA, YOSHIHIRO;MASAI, EIJI;NAKAMURA, MASAYA;OTSUKA, YUICHIRO;OHARA, SEIJI |
