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公开(公告)号：US06500947B1
公开(公告)日：2002-12-31
申请号：US09939182
申请日：2001-08-24
申请人： Hugh West , John A. Westland
发明人： Hugh West , John A. Westland
IPC分类号： C07H100
摘要： The present invention provides a polymer derived from a cellulosic, lignocellulosic, or polysaccharide material having superabsorbent properties. Methods for making the polymer and personal care absorbent products that incorporated the polymer are also provided.
摘要翻译： 本发明提供了衍生自具有超吸收性质的纤维素，木质纤维素或多糖材料的聚合物。 还提供了制备聚合物和引入聚合物的个人护理吸收产品的方法。
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公开(公告)号：US20020089091A1
公开(公告)日：2002-07-11
申请号：US10040217
申请日：2001-10-29
发明人： Nobuo Miyachi
IPC分类号： C08J003/20
CPC分类号： B29C43/003 , B29K2003/00 , C08L1/10 , C08L1/12 , C08L1/16 , C08L1/20 , C08L3/06 , C08L2666/02
摘要： Disclosed is a novel biodegradable block for models, which has excellent workability and machinability and has mechanical properties suitable for models, while surely ensuring its biodegradability. The block is made of a biodegradable plastic material comprising a biodegradable polymer as the base polymer. The biodegradable polymer is a mixture comprising an esterified starch having a degree of substitution (DS) of about 0.4 or more and an esterified cellulose having a DS of about 0.4 or more, in ratio by weight, the former/the latter, of being from 10/0 to 1/9. The plastic material may further contain any of ester plasticizer and organic or inorganic fillers to make the block have desired physical properties.
摘要翻译： 公开了一种用于模型的新型生物可降解块，其具有优异的可加工性和可加工性，并且具有适合于型号的机械性能，同时确保其生物降解性。 该块由可生物降解的塑料材料制成，包括可生物降解的聚合物作为基础聚合物。 可生物降解聚合物是包含取代度（DS）为约0.4或更高的酯化淀粉和DS为约0.4或更高的酯化纤维素的混合物，其重量比为前者/后者为 10/0至1/9。 塑料材料还可以含有酯增塑剂和有机或无机填料中的任何一种，以使该嵌段具有所需的物理性能。
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公开(公告)号：US4110275A
公开(公告)日：1978-08-29
申请号：US815623
申请日：1977-07-14
摘要： A method and composition is provided for positioning a polymeric material having particulate matter disposed therein in a subterranean formation penetrated by a wellbore. The composition consists essentially of a hydrocarbon oil, a quaternary salt of an essentially undegraded, cellulose sulfate, solid particulate matter in an amount equal to from about 0.25 to about 22 pounds of particulate matter per gallon of hydrocarbon oil and an acid-settable thermosetting resin in an amount equal to from about 0.1 to about 5.0 gallons per cubic foot of particulate material. The composition is placed in contact with a subterranean formation in a wellbore by a method comprising injecting a first mixture consisting essentially of said quaternary salt of an essentially undegraded cellulose sulfate mixed with hydrocarbon oil followed by the injection of the composition with a post injection of an additional quantity of the quaternary salt in oil.
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