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公开(公告)号:US06969750B2
公开(公告)日:2005-11-29
申请号:US10088107
申请日:2001-07-26
IPC分类号: A61L15/60 , C08F283/04 , C08F290/14 , C08F26/06
CPC分类号: C08F290/145 , A61L15/60 , C08F283/04 , C08F290/14 , Y10T442/673 , Y10T442/699 , C08L51/08
摘要: The water absorbent material of the present invention is composed of a copolymer of an anhydropolyamino acid having at least one ethylenically unsaturated double bond in a molecule, a water-soluble monomer having an ethylenically unsaturated double bond and polysaccharides, and has high water absorption ratio and high water absorption rate in pure water or water having a low ion content and also has high absorption properties for high concentration salt-containing solutions.
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公开(公告)号:US20050171309A1
公开(公告)日:2005-08-04
申请号:US11098415
申请日:2005-04-05
IPC分类号: A61L15/60 , C08F283/04 , C08F290/14 , C08F26/00
CPC分类号: C08F290/145 , A61L15/60 , C08F283/04 , C08F290/14 , Y10T442/673 , Y10T442/699 , C08L51/08
摘要: The water absorbent material of the present invention is composed of a copolymer of an anhydropolyamino acid having at least one ethylenically unsaturated double bond in a molecule, a water-soluble monomer having an ethylenically unsaturated double bond and polysaccharides, and has high water absorption ratio and high water absorption rate in pure water or water having a low ion content and also has high absorption properties for high concentration salt-containing solutions.
摘要翻译: 本发明的吸水材料由分子中具有至少一个烯键式不饱和双键的脱氢氨基酸,具有烯属不饱和双键的水溶性单体和多糖的共聚物组成,具有高吸水率和 在纯水或离子含量低的水中吸水率高,对高浓度含盐溶液也具有高吸收性能。
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公开(公告)号:US06653399B2
公开(公告)日:2003-11-25
申请号:US10082226
申请日:2002-02-26
IPC分类号: C08G6319
CPC分类号: A61L15/24 , B01J20/26 , C08B31/00 , C08F265/04 , C08L51/02 , C08F214/06
摘要: A water absorbent material, comprising, as a main component, a water absorbent resin which has a structure in which a anhydropolyamino acid having an ethylenically unsaturated double bond is grafted with polysaccharides, wherein at least a portion of the anhydropolyamino acid is hydrolyzed and crosslinked, has high water absorbency and high biodegradability even if the anhydropolyamino acid has a low molecular weight.
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