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公开(公告)号:US5045227A
公开(公告)日:1991-09-03
申请号:US531707
申请日:1990-06-01
摘要: A liquid crystal cell is disclosed which comprises a pair of opposed substrates defining a space therebetween and each having one or more electrodes disposed thereon, and a liquid crystal material provided in the space, the liquid crystal material being a lyotropic liquid crystal composition containing water and a polymeric electrolyte dissolved in the water in an amount sufficient to form a liquid crystal phase.
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公开(公告)号:US20050014919A1
公开(公告)日:2005-01-20
申请号:US10479592
申请日:2002-06-14
申请人: Hyoe Hatakeyama , Shigeo Hirose
发明人: Hyoe Hatakeyama , Shigeo Hirose
CPC分类号: C08G18/6492 , C08G18/6484 , C08G2101/00 , C08G2101/0083
摘要: Provided is a polyurethane which is inexpensive and excellent in physical properties and which contains a lignin sulfonic acid component incorporated into the molecular chain of the polyurethane. The polyurethane is obtainable by polycondensation of a polyol solution containing dissolved therein lignin sulfonic acid or a partially neutralized salt thereof with a polyisocyanate, wherein the content of said lignin sulfonic acid is 1-40% based on a total weight of said polyurethane.
摘要翻译: 本发明提供一种廉价且物理性能优异并且含有结合到聚氨酯分子链中的木质素磺酸组分的聚氨酯。 聚氨酯可通过将含有木质素磺酸或其部分中和盐的多元醇溶液与多异氰酸酯进行缩聚而获得,其中所述木质素磺酸的含量为所述聚氨酯的总重量的1-40%。
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公开(公告)号:US4154653A
公开(公告)日:1979-05-15
申请号:US834705
申请日:1977-09-19
CPC分类号: C12N1/20 , C12N1/14 , C12P7/44 , C12P7/46 , Y10S435/822 , Y10S435/933
摘要: Process for the degradation of hydroxystyrene polymers which comprises culturing bacteria of Moraxella genus or fungi of Penicillium genus on a medium containing a hydroxystyrene polymer having a recurring structural unit of the general formula: ##STR1## wherein X and Y each represent a hydrogen atom or an alkoxy group, as carbon source.
摘要翻译: 用于降解羟基苯乙烯聚合物的方法,其包括在含有具有以下通式的重复结构单元的羟基苯乙烯聚合物的培养基上培养青霉属的莫拉氏菌属或真菌的细菌:其中X和Y各自表示氢原子或 烷氧基,作为碳源。
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