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1. 发明专利

JP2014132065A Method for producing hydroxyalkyl cellulose 有权
标题翻译：生产羟丙基纤维素的方法
公开(公告)号：JP2014132065A
公开(公告)日：2014-07-17
申请号：JP2013216127
申请日：2013-10-17
申请人： Kao Corp , 花王株式会社
发明人： GOTO HIDEKI , NAKANISHI TSUNEHEI , IMORI YOICHIRO , WADA TOMOYA
IPC分类号： C08B11/08 , C08B15/06
CPC分类号： C08B11/08 , C08B1/00 , C08B1/06 , C08B1/08 , C08B11/145
摘要： PROBLEM TO BE SOLVED: To provide a method for producing hydroxyalkyl cellulose having excellent water solubility from cellulose while retaining high reaction selectivity, and the hydroxyalkyl cellulose obtained by the method, and to provide a method for producing cationized hydroxyalkyl cellulose using the obtained hydroxyalkyl cellulose.SOLUTION: (1) The method for producing hydroxyalkyl cellulose comprises adding a base compound and an alkylene oxide to cellulose to cause a reaction, and in the method, the total addition amount of the base compound is 0.3-1.5 mol per 1 mol of anhydroglucose unit of the cellulose, and the total addition amount of the alkylene oxide is 1.0-3.0 mol per 1 mol of anhydroglucose unit of the cellulose. The method includes: a step of obtaining a reaction mixture by adding 50-95% of the total addition amount of the base compound, and then adding 30-80% of the total addition amount of the alkyleneoxide to react the cellulose; and a step of adding the remaining amount of the base compound to the reaction mixture obtained in the prior step, and then adding the remaining amount of the alkylene oxide to react the remaining cellulose. (2) Hydroxyalkyl cellulose obtained by the method and (3) a method for producing cationized hydroxyalkyl cellulose using the obtained hydroxyalkyl cellulose are also provided.
摘要翻译：要解决的问题：提供一种制备具有优异的纤维素水溶性的羟烷基纤维素的方法，同时保持高反应选择性，以及通过该方法获得的羟烷基纤维素，并提供使用得到的羟烷基纤维素生产阳离子化羟烷基纤维素的方法。解决方案：（1）羟烷基纤维素的制造方法包括向纤维素中加入碱性化合物和环氧烷进行反应，在该方法中，相对于1mol脱水葡萄糖，碱性化合物的总添加量为0.3〜1.5mol 纤维素的单位，并且环氧烷的总添加量相对于纤维素的每1mol脱水葡萄糖单元为1.0-3.0mol。该方法包括：通过加入基础化合物的总添加量的50-95％得到反应混合物的步骤，然后加入环氧烷的总添加量的30-80％以使纤维素反应; 以及将剩余量的碱性化合物加入到前述步骤中获得的反应混合物中，然后加入剩余量的烯化氧以使剩余的纤维素反应。（2）通过该方法获得的羟烷基纤维素和（3）使用得到的羟烷基纤维素生产阳离子化羟烷基纤维素的方法。

2. 发明专利

JP2012246480A Method for producing alkali cellulose 有权
标题翻译：生产碱性纤维素的方法
公开(公告)号：JP2012246480A
公开(公告)日：2012-12-13
申请号：JP2012103663
申请日：2012-04-27
申请人： Kao Corp , 花王株式会社
发明人： MIYOSHI HIDESUKE , YOSHIDA MINORU , MIYAZATO RYO , IMORI YOICHIRO , NISHIOKA TORU
IPC分类号： C08B1/08 , C08B11/02
CPC分类号： C08B1/08 , C08B1/06 , C08B11/00 , C08B11/02 , C08B11/06 , C08B11/08 , C08B11/12 , C08B11/14 , C08B11/20 , C08H8/00 , D21C9/004 , D21C9/007
摘要： PROBLEM TO BE SOLVED: To provide a method for producing alkali cellulose, in which the cellulose polymerization degree decreases little and few bases are used, and to provide a method for producing cellulose ether using the obtained alkali cellulose.SOLUTION: [1] The method for producing alkali cellulose includes: a step 1 for obtaining a cellulose-containing raw material (II) containing cellulose having a crystallinity degree of 10-55% by processing a cellulose-containing raw material (I) with a pulverizer; and a step 2 for obtaining alkali cellulose by adding, to the obtained cellulose-containing raw material (II), 0.6-1.5 mol of a basic compound per 1 mol of an anhydroglucose unit constituting the cellulose and by adding 20-100 mass% of water to the cellulose. [2] The method for producing cellulose ether produces the cellulose ether by means of the reaction between the alkali cellulose produced in the production method and an etherification agent.
摘要翻译：解决的问题：提供一种碱纤维素的制造方法，其中纤维素聚合度降低很少，几乎没有碱使用，并且提供使用得到的碱纤维素生产纤维素醚的方法。解决方案：[1]制备碱纤维素的方法包括：步骤1，用于通过加工含纤维素原料获得含有结晶度为10-55％的纤维素的含纤维素原料（II） I）用粉碎机以及通过向所得的含纤维素原料（II）中添加相对于1mol构成纤维素的脱水葡萄糖单元的0.6〜1.5摩尔碱性化合物，并添加20〜100质量％的水至纤维素。 [2]纤维素醚的制造方法通过在制造方法中制造的碱性纤维素与醚化剂的反应而生成纤维素醚。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2012246479A Method for producing alkali cellulose 有权
标题翻译：生产碱性纤维素的方法
公开(公告)号：JP2012246479A
公开(公告)日：2012-12-13
申请号：JP2012103660
申请日：2012-04-27
申请人： Kao Corp , 花王株式会社
发明人： MIYOSHI HIDESUKE , YOSHIDA MINORU , MIYAZATO RYO , SHIBA KENICHI , TAKAHASHI RUI , IMORI YOICHIRO
IPC分类号： C08B1/08 , C08B11/00 , C08B11/08 , C08B11/12 , C08B11/145
CPC分类号： C08B15/00 , C08B1/06 , C08B1/08 , C08B11/08 , C08H8/00 , C08L1/26
摘要： PROBLEM TO BE SOLVED: To provide a method for producing alkali cellulose, in which the cellulose polymerization degree decreases little and few bases are used, and to provide a method for producing cellulose ether using the obtained alkali cellulose.SOLUTION: [1] The method for producing alkali cellulose includes: a step 1 for pulverizing a cellulose-containing raw material in the presence of 0.6-1.5 mol of a basic compound per 1 mol of an anhydroglucose unit constituting the cellulose in the cellulose-containing raw material and under the condition in which the moisture content in the cellulose-containing raw material is ≤10 mass% relative to the cellulose, and thereby obtaining a cellulose powder mixture having a median size of the cellulose-containing raw material of ≤150 μm; and a step 2 for obtaining pulverized alkali cellulose by adjusting the moisture content in the obtained cellulose powder mixture to 30-100 mass% relative to the cellulose in the cellulose-containing raw material used in the step 1 as a consequence of adding water to the cellulose powder mixture. [2] The method for producing cellulose ether produces the cellulose ether by means of the reaction between the alkali cellulose produced in the production method and an etherification agent.
摘要翻译：解决的问题：提供一种碱纤维素的制造方法，其中纤维素聚合度降低很少，几乎没有碱使用，并且提供使用得到的碱纤维素生产纤维素醚的方法。解决方案：[1]制备碱纤维素的方法包括：步骤1，用于在每1mol构成纤维素的脱水葡萄糖单元的情况下，在0.6-1.5mol碱性化合物存在下将含纤维素原料粉碎含纤维素原料，并且在纤维素原料中的水分含量相对于纤维素为10质量％的条件下，由此得到具有含纤维素原料的中值粒径的纤维素粉末混合物 ≤150μm; 以及步骤2，通过将所得纤维素粉末混合物中的含水量相对于步骤1中使用的含纤维素原料中的纤维素调节至30-100质量％来获得粉碎的碱性纤维素，这是由于向纤维素粉末混合物。 [2]纤维素醚的制造方法通过在制造方法中制造的碱性纤维素与醚化剂的反应而生成纤维素醚。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2012140576A Method of producing cellulose ether and hydroxyalkylated cellulose ether 有权
标题翻译：生产纤维素醚和羟基甲基纤维素醚的方法
公开(公告)号：JP2012140576A
公开(公告)日：2012-07-26
申请号：JP2011042453
申请日：2011-02-28
申请人： Kao Corp , 花王株式会社
发明人： NISHIOKA TORU , KIMURA AKIKATSU , TOMIOKA KEIICHIRO , NAKANISHI TSUNEHEI , IMORI YOICHIRO , MATSUBARA MASAKI , TAKAI MASAKI
IPC分类号： C08B11/08 , C08B11/145
摘要： PROBLEM TO BE SOLVED: To provide a method of producing a cellulose ether and a hydroxyalkylated cellulose ether, which can efficiently produce the cellulose ether and the hydroxyalkylated cellulose ether with high productivity, both of which are less likely to be lowered in their molecular weights and have high water solubility.SOLUTION: The method of producing the cellulose ether includes a step of pulverizing a cellulose and then reacting the cellulose with an etherifying agent that has an epoxy group (except for a 2-4C alkylene oxide) serving as a site to be reacted with the cellulose, under the coexistence of the etherifying agent and a base compound.

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