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公开(公告)号:US20100204356A1
公开(公告)日:2010-08-12
申请号:US12678932
申请日:2008-09-04
申请人: Yusuke Yamamoto , Osamu Ohmori , Hitotoshi Murase , Hiroaki Takashima , Kohei Mase , Tomokuni Abe , Toshihisa Shimo
发明人: Yusuke Yamamoto , Osamu Ohmori , Hitotoshi Murase , Hiroaki Takashima , Kohei Mase , Tomokuni Abe , Toshihisa Shimo
IPC分类号: C08G18/08 , C08J9/00 , C08G18/00 , C07D309/30
CPC分类号: C08G18/341 , C08G18/10 , C08G18/3246 , C08G18/36 , C08G18/3831 , C08G18/4252 , C08G18/4833 , C08G18/73 , C08G18/7621 , C08G18/771 , C08G2101/00 , C08G2230/00 , C08L75/02
摘要: A high-elasticity biodegradable polymer comprising PDC, which has excellent solubility in solvents and reactants, in their repeating unit structures is provided in an inexpensive manner.A polymer comprising a repeating unit represented by the following formula (I): wherein R1 and R2 each independently represent a divalent hydrocarbon residue with no active hydrogens in its structure and optionally containing a heteroatom; X represents O or NH; x represents an integer of at least 1; and m and n represent 0 or 1; and a process for their production.
摘要翻译: 以廉价的方式提供了包含PDC的高弹性可生物降解聚合物,其在其重复单元结构中在溶剂和反应物中具有优异的溶解性。 一种包含由下式(I)表示的重复单元的聚合物:其中R 1和R 2各自独立地表示在其结构中没有活泼氢并任选地含有杂原子的二价烃残基; X表示O或NH; x表示至少1的整数; m和n表示0或1; 及其生产过程。
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公开(公告)号:US20110166301A1
公开(公告)日:2011-07-07
申请号:US13063684
申请日:2009-09-09
申请人: Hiroaki Takashima , Yusuke Yamamoto , Kohei Mase , Toshihisa Shimo , Tomokuni Abe , Kiyotaka Shigehara , Yoshihiro Katayama , Eiji Masai , Masaya Nakamura , Yuichiro Otsuka , Seiji Ohara
发明人: Hiroaki Takashima , Yusuke Yamamoto , Kohei Mase , Toshihisa Shimo , Tomokuni Abe , Kiyotaka Shigehara , Yoshihiro Katayama , Eiji Masai , Masaya Nakamura , Yuichiro Otsuka , Seiji Ohara
IPC分类号: C08G71/04 , C08G63/12 , C08G63/91 , C07D307/68
CPC分类号: C07D307/58 , C08G18/4269 , C08G18/73 , C08G63/553
摘要: 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.
摘要翻译: 本发明提供可生物降解的聚酯,包含3-羧基粘土内酯作为结构单元的聚氨酯,3-羧基粘康酸内酯及其制备方法。 包含由下式(I)表示的重复单元的聚酯:[其中R表示在结构中任选地含有不含活性氢的杂原子的烃基二价残基],包含聚酯结构的聚氨酯; 3-羧基粘土内酯酯; 及其生产过程。
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