Método para producir celulosa alcalina

    公开(公告)号:ES2553703T3

    公开(公告)日:2015-12-11

    申请号:ES12779963

    申请日:2012-04-27

    Applicant: KAO CORP

    Abstract: Método para producir una celulosa alcalina que comprende: la etapa 1 en la que una materia prima que contiene celulosa (I) se trata mediante una máquina de pulverización obteniendo de ese modo una materia prima que contiene celulosa (II) que contiene una celulosa que tiene una cristalinidad en el intervalo del 10 al 55%, y la etapa 2 en la que la materia prima que contiene celulosa (II) obtenida en la etapa 1 se añade mediante un compuesto básico, estando la cantidad del mismo en el intervalo de 0,6 a 1,5 mol con relación a 1 mol de una unidad de anhidroglucosa que constituye dicha celulosa así como mediante agua, estando la cantidad de la misma en el intervalo del 20 al 100% en masa con relación a dicha celulosa y, después de la adición del compuesto básico y agua, se lleva a cabo envejecimiento en el intervalo de temperatura de 35 a 90ºC y durante el intervalo de tiempo de 0,1 a 24 horas, obteniendo de ese modo una celulosa alcalina.

    METHOD FOR PRODUCING ALKALI CELLULOSE

    公开(公告)号:MY161753A

    公开(公告)日:2017-05-15

    申请号:MYPI2013702075

    申请日:2012-04-27

    Applicant: KAO CORP

    Abstract: THE PRESENT INVENTION RELATES TO A METHOD FOR PRODUCING AN ALKALI CELLULOSE WITH SUPPRESSED DECREASE IN THE DEGREE OF POLYMERIZATION AS WELL AS WITH SMALL USE AMOUNT OF A BASIC COMPOUND, AND TO A METHOD FOR PRODUCING A CELLULOSE ETHER BY USING THE ALKALI CELLULOSE THUS OBTAINED. PROVIDED BY THE PRESENT INVENTION ARE: (A) A METHOD FOR PRODUCING AN ALKALI CELLULOSE, COMPRISING STEP 1 WHEREIN A CELLULOSE-CONTAINING RAW MATERIAL (I) IS TREATED BY A PULVERIZING MACHINE THEREBY OBTAINING A CELLULOSE-CONTAINING RAW MATERIAL (II) WHICH CONTAINS A CELLULOSE HAVING CRYSTALLINITY IN THE RANGE OF 10 TO 55% AND STEP 2 WHEREIN THE CELLULOSE-CONTAINING RAW MATERIAL (II) OBTAINED IN STEP 1 IS ADDED BY A BASIC COMPOUND WITH THE AMOUNT THEREOF BEING IN THE RANGE OF 0.6 TO 1.5 MOL RELATIVE TO 1 MOL OF AN ANHYDROGLUCOSE UNIT THAT CONSTITUTES THE SAID CELLULOSE AS WELL AS BY WATER WITH THE AMOUNT THEREOF BEING IN THE RANGE OF 20 TO 100% BY MASS RELATIVE TO THE SAID CELLULOSE THEREBY OBTAINING THE ALKALI CELLULOSE; AND (B) A METHOD FOR PRODUCING A CELLULOSE ETHER BY REACTING THE ALKALI CELLULOSE PRODUCED BY THE FOREGOING PRODUCTION METHOD WITH AN ETHERIFICATION AGENT.

    METHOD FOR PRODUCING CATIONIZED CELLULOSE AND METHOD FOR PRODUCING CATIONIZED HYDROXYALKYL CELLULOSE
    4.
    发明公开
    METHOD FOR PRODUCING CATIONIZED CELLULOSE AND METHOD FOR PRODUCING CATIONIZED HYDROXYALKYL CELLULOSE 有权
    VERFAHREN ZUR HERSTELLUNG KATIONISIERTER CELLULOSE UND VERFAHREN ZUR HERSTELLUNG KATIONISIERTER HYDROXYALKYLCELLULOSE

    公开(公告)号:EP2543681A4

    公开(公告)日:2013-12-11

    申请号:EP11750615

    申请日:2011-02-28

    Applicant: KAO CORP

    CPC classification number: C08B11/08 C08B1/06 C08B11/145 C08B11/20

    Abstract: A production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including step 1 for adding a cationizing agent to cellulose and mechanically decrystallizing the cellulose and step 2 for adding a basic compound to the mixture obtained in step 1 and mechanically decrystallizing the cellulose, or a production method of a cationized cellulose or a cationized hydroxyalkylcellulose, including a step 3 for adding a basic compound to cellulose and mechanically decrystallizing the cellulose and step 4 for adding a cationizing agent to the mixture obtained in step 3 and mechanically decrystallizing the cellulose. The cellulose and the cationizing agent are allowed to react with each other in step 2 or step 4.

    Abstract translation: 一种阳离子化纤维素或阳离子化羟烷基纤维素的制造方法,其特征在于,包括:向纤维素中添加阳离子化剂,使纤维素机械性地非结晶化的工序1;在工序1中得到的混合物中添加碱性化合物,使纤维素机械性地非晶化的工序2; 阳离子化纤维素或阳离子化羟烷基纤维素的制造方法,其包括将碱性化合物添加到纤维素中并机械性地使纤维素结晶化的工序3,以及在步骤3中得到的混合物中添加阳离子化剂,并使纤维素机械性地非晶化的工序4。 在步骤2或步骤4中使纤维素和阳离子化剂彼此反应。

    PRODUCTION METHOD FOR CATIONIC HYDROXYPROPYL CELLULOSE
    7.
    发明公开
    PRODUCTION METHOD FOR CATIONIC HYDROXYPROPYL CELLULOSE 有权
    于制备阳离子性羟丙基

    公开(公告)号:EP2495259A4

    公开(公告)日:2013-11-27

    申请号:EP10826863

    申请日:2010-10-29

    Applicant: KAO CORP

    Abstract: The present invention relates to a process for producing a cationic hydroxypropyl cellulose including the step of reacting a low-crystalline powdery cellulose with a cationizing agent represented by the following general formula (1) and/or a cationizing agent represented by the following general formula (2), and propylene oxide in the presence of water in an amount of from 10 to 60% by mass on the basis of the low-crystalline powdery cellulose, and a catalyst: wherein R 1 to R 3 are each independently a linear or branched hydrocarbon group having 1 to 4 carbon atoms; and X and Z are each a halogen atom and may be the same or different from each other.

    Method for producing cationized hydroxypropyl cellulose
    9.
    发明专利
    Method for producing cationized hydroxypropyl cellulose 有权
    生产凝胶状羟丙基纤维素的方法

    公开(公告)号:JP2011094033A

    公开(公告)日:2011-05-12

    申请号:JP2009249383

    申请日:2009-10-29

    Abstract: PROBLEM TO BE SOLVED: To provide a method of producing a cationized hydroxypropyl cellulose, wherein cationic groups and hydroxy propyl groups of sufficient amounts for developing performance are introduced, with high producibility.
    SOLUTION: In the method of producing the cationized hydroxypropyl cellulose, low crystalline powder cellulose is reacted with a cationization agent represented by general formula (1) and/or (2) and propylene oxide in the presence of 10-60 mass% of water and a catalyst. (In the general formula, R
    1 -R
    3 each independently represents a C1-4 straight/branched chain hydrocarbon group, and X and Z represent the same or different halogen atoms).
    COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 待解决的问题:提供一种生产阳离子化羟丙基纤维素的方法,其中引入足够量的用于显影性能的阳离子基团和羟基丙基,具有高可生产性。 解决方案:在生产阳离子化羟丙基纤维素的方法中,低结晶性粉末纤维素与通式(1)和/或(2)表示的阳离子化剂和环氧丙烷在10-60质量%的存在下反应, 的水和催化剂。 (通式中,R 1 -R 3 各自独立地表示C1-4直链/支链烃基,X和Z表示相同或不同的卤素原子 )。 版权所有(C)2011,JPO&INPIT

    METHOD FOR PRODUCING SACCHARIDE DERIVATIVE

    公开(公告)号:JP2002037801A

    公开(公告)日:2002-02-06

    申请号:JP2000230601

    申请日:2000-07-31

    Applicant: KAO CORP

    Abstract: PROBLEM TO BE SOLVED: To provide an effective and high productive production method for a polysaccharide derivative. SOLUTION: The method for producing a saccharide derivative comprises the reaction of saccharide with a compound selected from haloalkane (or alkene), epoxyalkane (or alkene), alkyl (or alkenyl) glycidyl-ether, halogenated (or epoxidated) alkanesulfonic acid, halogenated (or epoxidated) fatty acid, halogenated (or epoxidated) alkylamine and halogenated (or epoxidated) phosphate ester to obtain the derivative whose a part or all of H in OH of saccharide is substituted by one or more sorts selected from alkyl group (or alkenyl group), alkyl (or alkenyl) glyceryl ether group, sulphoalkyl group, carboxyalkyl group, aminoalkyl group, phosphate alkyl group or the like wherein OH may be substituted. The method uses a microwave as a heating means.

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