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91. 发明申请

US20040130069A1 Crosslinking agent application method and system 有权
标题翻译：交联剂应用方法和系统
公开(公告)号：US20040130069A1
公开(公告)日：2004-07-08
申请号：US10336390
申请日：2003-01-02
发明人： Ray Crane
IPC分类号： B29C043/46
CPC分类号： D21H23/32 , B29B15/122 , B29C43/46 , C08B15/10 , D21H23/48 , D21H25/12
摘要： Methods and systems for applying crosslinking agent to a sheet of cellulose fibers are described. The method and system apply crosslinking agent to one or both sides of the sheet and results in a sheet having a high loading of crosslinking agent that is uniformly distributed within the sheet.
摘要翻译：描述了将交联剂施用于纤维素纤维片材的方法和系统。该方法和系统将交联剂施加到片材的一侧或两侧，并产生具有均匀分布在片材内的交联剂的高负载量的片材。

92. 发明授权

US5998511A Polymeric polycarboxylic acid crosslinked cellulosic fibers 失效
标题翻译：聚合多羧酸交联纤维素纤维
公开(公告)号：US5998511A
公开(公告)日：1999-12-07
申请号：US989697
申请日：1997-12-12
申请人： John A. Westland , Richard A. Jewell , Amar N. Neogi
发明人： John A. Westland , Richard A. Jewell , Amar N. Neogi
IPC分类号： D06M13/192 , A61L15/24 , A61L15/28 , C08B15/10 , C08L1/08 , D06M13/123 , D06M13/207 , D06M13/432 , D06M15/263 , D06M15/333 , D06M15/347 , D06M101/06 , D21C9/00 , D21H11/20 , D21H17/07 , D21H17/15 , D21H17/28 , C08L1/02
CPC分类号： A61L15/24 , A61L15/28 , C08B15/10 , C08L1/08 , D06M13/123 , D06M13/207 , D06M13/432 , D06M15/263 , D06M15/333 , D06M15/347 , D21C9/005 , D21H11/20 , D21H17/07 , D21H17/15 , D21H17/28
摘要： Cellulosic fibers intrafiber crosslinked with a polymeric polycarboxylic acid crosslinking agent are disclosed. In one embodiment, the polymeric polycarboxylic acid is polyacrylic acid and, in another embodiment, the polycarboxylic acid is polymaleic acid. Methods for forming cellulosic fibers having stable intrafiber crosslinks and for forming crosslinked cellulosic fibers having low knot level are also disclosed.
摘要翻译：公开了用聚合多元羧酸交联剂交联的纤维素纤维。在一个实施方案中，聚合多元羧酸是聚丙烯酸，在另一个实施方案中，多元羧酸是聚马来酸。还公开了形成具有稳定的纤维内交联和用于形成具有低结水平的交联纤维素纤维的纤维素纤维的方法。

93. 发明授权

US5981739A Polyanhydride crosslinked fibrous cellulosic products and process for their preparation 失效
标题翻译：聚酐交联纤维素纤维制品及其制备方法
公开(公告)号：US5981739A
公开(公告)日：1999-11-09
申请号：US926911
申请日：1997-09-10
申请人： Ronald L. Anderson , Wendell W. Cattron , Vincent F. Smith, Jr. , David J. Fenoglio
发明人： Ronald L. Anderson , Wendell W. Cattron , Vincent F. Smith, Jr. , David J. Fenoglio
IPC分类号： C08B15/10 , C08H8/00 , D06M13/17 , D06M13/184 , D06M13/224 , D06M15/53 , D21C9/00 , C07C63/307 , C08B3/00
CPC分类号： C08H8/00 , C08B15/10 , D06M13/17 , D06M13/1845 , D06M13/224 , D06M15/53 , D21C9/005 , D06M2101/06
摘要： A process for preparation of crosslinked cellulosic products containing at least 30 wt. % cellulosic fibers and the polyanhydride crosslinked cellulosic products resulting therefrom wherein a cellulosic material is treated with an aqueous solution of a polycarboxylic acid formed by hydrolysis of a polyanhydride of the structure ##STR1## which comprises the reaction product of trimellitic anhydride and a diol in the mole ratio of from about 2.0:0.9 to about 2.0:1.1, wherein R is selected from the group consisting of alkyl, alkylene and cycloalkylene moieties of up to 12 carbon atoms and ethylene oxide and propylene oxide moieties of molecular weight up to about 6000, wherein said cellulosic material is impregnated with an aqueous solution of said polyanhydride, dried, and heated to a temperature of from about 120.degree. C. to about 200.degree. C. at ambient pressure to obtain crosslinking of the cellulose fibers with the said polyanhydride by an ester bond between the hydroxyl groups of the cellulosic fibers and the anhydride groups of the anhydride. Fibrous cellulosic products are readily repulped paper with improved wet strength, pulp fluff with improved wet resilience, wood oriented strand board with improved moisture resistance, and textile products with improved durable press and reduced shrink characteristics.
摘要翻译：一种制备交联纤维素产品的方法，其包含至少30wt。％的纤维素纤维和由此产生的聚酐交联的纤维素产品，其中纤维素材料用多元羧酸的水溶液处理，所述多元羧酸的水溶液是通过水解结构的聚酐形成的，该聚酐包含偏苯三酸酐和二醇的反应产物的摩尔比约2.0:0.9至约2.0:1.1，其中R选自具有至多12个碳原子的烷基，亚烷基和亚环烷基部分以及分子量高达约6000的环氧乙烷和环氧丙烷部分，其中所述纤维素材料用所述聚酐的水溶液浸渍，干燥并在环境压力下加热至约120℃至约200℃的温度，以使纤维素纤维与所述聚酐通过酯键之间的酯键进行交联纤维素纤维的羟基和酸酐的酸酐基团。纤维素纤维素产品易于重新制备具有改进的湿强度的纸浆，具有改善的湿回弹性的纸浆绒毛，具有改善的耐湿性的木材定向刨花板以及具有改进的耐久压制和降低的收缩特性的纺织产品。

94. 发明授权

US5665851A Aminoplastic resins and their use as a crosslinking agent for cellulose 失效
标题翻译：氨基塑料树脂及其作为纤维素交联剂的用途
公开(公告)号：US5665851A
公开(公告)日：1997-09-09
申请号：US517568
申请日：1995-08-21
申请人： Didier Wilhelm , Alain Blanc , William C. Floyd
发明人： Didier Wilhelm , Alain Blanc , William C. Floyd
IPC分类号： C08L1/00 , C08B15/10 , C08G12/26 , C08G12/32 , C08L61/20 , C08L61/28 , C08G12/08 , C08G12/30
CPC分类号： C08G12/26 , C08B15/10
摘要： Aminoplastic resin based on one or more amino derivatives and one or more aldehydes in which the amino derivative is melamine, glycoluril or their mixture in variable proportions and that the aldehyde is a product of formula (I) R--CHO where R=a dialkoxymethyl, 1,3-dioxolan 2-yl group optionally substituted on the vertex 4 and/or 5 by one or more alkyl groups or a 1,3-dioxan 2-yl group optionally substituted on vertices 4, 5 and/or 6 by one or more alkyl groups, optionally mixed with glyoxal, preparation process and use as a crosslinking agent for cellulose.
摘要翻译：氨基塑料树脂，其基于一种或多种氨基衍生物和一种或多种醛，其中氨基衍生物是三聚氰胺，甘脲或其可变比例的混合物，并且醛是式（I）R-CHO的产物，其中R =二烷氧基甲基，任选在顶点4和/或5上被一个或多个烷基取代的1,3-二氧戊环2-基，或任选在顶点4,5和/或6上被一个或多个取代的1,3-二氧杂环戊烷-2-基，更多的烷基，任选地与乙二醛混合，制备方法和用作纤维素的交联剂。

95. 发明授权

US5104411A Freeze dried, cross-linked microfibrillated cellulose 失效
标题翻译：冷冻干燥，交联的微纤化纤维素
公开(公告)号：US5104411A
公开(公告)日：1992-04-14
申请号：US938373
申请日：1986-12-09
申请人： Kambiz B. Makoui , Pronoy K. Chatterjee
发明人： Kambiz B. Makoui , Pronoy K. Chatterjee
IPC分类号： A61L15/28 , A61L15/42 , C08B15/10 , C08L1/02 , D21C9/00
CPC分类号： D21C9/001 , A61L15/28 , A61L15/425 , C08B15/10 , C08L1/02 , Y10S604/904
摘要： Absorbent retentive pulp is described which is capable of retaining good absorbency even after having been highly compressed. The pulp is produced by mixing a microfibrillated pulp slurry with a cross-linking agent followed by freeze drying.
摘要翻译：描述了吸收性保持性纸浆，其即使在被高度压缩之后也能够保持良好的吸收性。通过将微纤化纸浆与交联剂混合，然后冷冻干燥来制备纸浆。

96. 发明授权

US4908097A Modified cellulosic fibers 失效
标题翻译：改性纤维素纤维
公开(公告)号：US4908097A
公开(公告)日：1990-03-13
申请号：US265359
申请日：1988-10-26
申请人： Larry Box
发明人： Larry Box
IPC分类号： A61L15/60 , C08B15/06 , C08B15/10 , C08B31/00 , D06M13/412 , D06M14/04 , D21H11/20 , D21H13/02
CPC分类号： D21H11/20 , A61L15/60 , C08B15/06 , C08B15/10 , C08B31/003 , D06M13/412 , D06M14/04 , D21H13/02
摘要： Disclosed are modified cellulosic fibers comprising the reaction product of linear, water-wettable polysaccharides with N,N'-methylenebisacrylamide and methods of making same. The materials are useful in the preparation of products characterized by their increased bulk and absorbency.
摘要翻译：公开了包含直链，水可湿性多糖与N，N'-亚甲基双丙烯酰胺的反应产物的改性纤维素纤维及其制备方法。这些材料可用于制备以其增加的体积和吸收性为特征的产品。

97. 发明授权

US3993553A Process for cocrosslinking water soluble polymers and products thereof 失效
公开(公告)号：US3993553A
公开(公告)日：1976-11-23
申请号：US592094
申请日：1975-06-30
申请人： Per G. Assarsson , Paul A. King
发明人： Per G. Assarsson , Paul A. King
IPC分类号： A61L15/22 , A61L15/60 , C08B11/20 , C08B15/10 , C08B31/00 , C08F2/44 , C08J3/28 , C08L71/02 , C08D1/00 , C08F1/16
CPC分类号： C08L71/02 , A61L15/225 , A61L15/60 , C08B11/20 , C08B15/10 , C08B31/003 , C08J3/28
摘要： Poly(ethylene oxide) and at least one other water soluble polymer are conveniently cocrosslinked by exposing aqueous systems of the polymers to high energy irradiation. The resulting products are insoluble hydrophilic gels which can contain or when dried absorb large quantities of aqueous fluids and hence are useful as absorbing media for disposable absorbent articles, agricultural applications and the like.

98. 发明授权

US3993551A Process for cocrosslinking water soluble polymers and products thereof 失效
公开(公告)号：US3993551A
公开(公告)日：1976-11-23
申请号：US592130
申请日：1975-06-30
申请人： Per G. Assarsson , Paul A. King
发明人： Per G. Assarsson , Paul A. King
IPC分类号： A01N25/10 , A61L15/22 , A61L15/60 , C08B11/20 , C08B15/10 , C08B31/00 , C08J3/28 , C08L71/02 , C08F8/00 , C08D1/00
CPC分类号： C08J3/28 , A01N25/10 , A61L15/225 , A61L15/60 , C08B11/20 , C08B15/10 , C08B31/003 , C08L71/02 , Y10S604/904
摘要： Poly(ethylene oxide) and at least one other water soluble polymer are conveniently cocrosslinked by exposing aqueous systems of the polymers to high energy irradiation. The resulting products are insoluble hydrophilic gels which can contain or when dried absorb large quantities of aqueous fluids and hence are useful as absorbing media for disposable absorbent articles, agricultural applications and the like.

99. 发明授权

US3937672A Process for the manufacture of consolidated shaped structures of cellulose hydrate 失效
标题翻译：制备纤维素水合物的合成形状结构的方法
公开(公告)号：US3937672A
公开(公告)日：1976-02-10
申请号：US399086
申请日：1973-09-20
申请人： Walter Busch , Klaus-Dieter Hammer , Wolfgang Klendauer
发明人： Walter Busch , Klaus-Dieter Hammer , Wolfgang Klendauer
IPC分类号： A22C13/00 , B65B9/18 , C08B15/10 , C08K5/21 , D01F11/02
CPC分类号： C08B15/10 , A22C13/0013 , C08K5/21
摘要： This invention relates to a process for the preparation of a cellulose hydrate moulding which comprises (a) treating a cellulose hydrate moulding while in the gel state, for a period within the range of from 10 seconds to 20 minutes, with an aqueous liquid having dissolved therein at least one plasticizer, a chemical cross-linking agent comprising at least one cyclic urea compound having at least 2 N-methylol groups, and at least one cross-linking catalyst, (b) drying the moulding to a residual water content of from 8 to 12% by weight, and (c) heating the moulding at a temperature within the range of from 100.degree. to 150.degree.C for a period of from 30 seconds to 20 minutes. The invention also relates to a cellulose hydrate moulding prepared by the novel process.

100. 发明授权

US3936441A Process for the production of water adsorbing but water-insoluble cellulose ethers 失效
标题翻译：生产吸水但水不溶性纤维素醚的方法
公开(公告)号：US3936441A
公开(公告)日：1976-02-03
申请号：US522741
申请日：1974-11-11
申请人： Arno Holst , Michael Kostrzewa , Helmut Lask
发明人： Arno Holst , Michael Kostrzewa , Helmut Lask
IPC分类号： C08B11/187 , A61L15/28 , C08B11/00 , C08B15/10 , C08B11/193 , C08B11/20
CPC分类号： C08B15/10 , A61L15/28 , C08B11/00
摘要： This invention relates to an improvement in the process for the production of water-adsorbing, but largely water-insoluble, cellulose ethers, in which cellulose is alkalized in the presence of alkali hydroxide and isopropanol as a reaction medium and is so reacted with an etherification agent that by etherification only a water-soluble cellulose ether is produced, and in which process the cellulose is reacted with a cross-linking agent which is polyfunctional towards cellulose in an alkaline reaction medium before, during, or after the etherification of the cellulose, the improvement comprising effecting the etherification of cellulose to carboxymethyl cellulose, carboxymethyl hydroxyethyl cellulose, hydroxyethyl cellulose, or methylhydroxyethyl cellulose, reacting the cellulose with the polyfunctional cross-linking agent in the presence of 0.8 to 7.5 parts by weight of isopropanol, based upon the cellulose weight, and employing as the cross-linking agent acrylamido methylene chloroacetamide, dichloroacetic acid or phosphorus oxychloride or a compound in which at least two groups functional towards cellulose areThe acrylic amino group ##EQU1## the chlorine azomethine group ##EQU2## OR THE ALLYLOXY AZOMETHINE GROUP ##EQU3##
摘要翻译：本发明涉及在碱性氢氧化物和异丙醇作为反应介质存在下使纤维素碱化的水吸附但主要是水不溶性纤维素醚的方法的改进，并且与醚化反应通过醚化仅产生水溶性纤维素醚，并且在该方法中，纤维素与在纤维素醚化之前，期间或之后在碱性反应介质中对纤维素多官能的交联剂反应，该改进包括将纤维素醚化成羧甲基纤维素，羧甲基羟乙基纤维素，羟乙基纤维素或甲基羟乙基纤维素，使纤维素与多官能交联剂在0.8至7.5重量份异丙醇存在下，基于纤维素重量，并用作交联剂丙烯酰胺亚甲基氯代酰胺，二氯乙酸或三氯氧磷或其中至少两个对纤维素起作用的基团是丙烯酰胺基团CH 2 = CH-CN-平行| O氯偶氮甲碱基-N = C- | Cl或全氟代氨基甲酰基 - N = CO-CH 2 -CH = CH 2。 |

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