METHOD FOR PRODUCING ALKALI CELLULOSE
    3.
    发明申请
    METHOD FOR PRODUCING ALKALI CELLULOSE 有权
    生产碱性纤维素的方法

    公开(公告)号:US20140073777A1

    公开(公告)日:2014-03-13

    申请号:US14115252

    申请日:2012-04-27

    IPC分类号: C08B1/08 C08B11/08

    摘要: 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.

    摘要翻译: 本发明涉及一种碱性纤维素的制造方法,其抑制聚合度的降低以及碱性化合物的使用量的降低,以及通过使用由此得到的碱纤维素制造纤维素醚的方法。 本发明提供:(A)碱纤维素的制造方法,其包括步骤1,其中通过粉碎机处理含纤维素的原料(I),从而得到含有纤维素的原料(II),其含有 结晶度为10〜55%的纤维素和步骤2,其中步骤1中得到的含纤维素原料(II)相对于碱性化合物为0.6〜1.5mol,相对于 1mol构成上述纤维素的脱水葡萄糖单元以及水相对于所述纤维素为20〜100质量%的水分,得到碱纤维素; 和(B)通过使通过上述制备方法制备的碱纤维素与醚化剂反应制备纤维素醚的方法。

    Raw cotton linters composition, method of making, and uses thereof
    4.
    发明申请
    Raw cotton linters composition, method of making, and uses thereof 有权
    原棉短绒组合物,制造方法及其用途

    公开(公告)号:US20050228174A1

    公开(公告)日:2005-10-13

    申请号:US10822926

    申请日:2004-04-13

    IPC分类号: C08B11/20

    摘要: A composition of a loose mass of comminuted raw cotton linter fibers has a bulk density of at least 8 g/100 ml and at least 50% of the fibers in the mass passes through a US standard sieve size #10 (2 mm opening). This composition is made by obtaining a loose mass of first cut, second cut, third cut, or mill runs raw cotton linters or mixtures thereof and comminuting the loose mass of raw cotton linters to a size wherein at least 50% pass through a US standard sieve size #10 (2 mm opening). This composition is used to make cellulose ether derivatives.

    摘要翻译: 粉碎的原棉短绒纤维的松散质量的组合物的堆积密度为至少8g / 100ml,并且质量中至少50%的纤维通过美国标准筛号#10(2mm开口)。 该组合物通过获得松散质量的第一切割,第二切割,第三切割或粗轧原棉短绒或其混合物制成,并将松散的原棉短绒粉碎成至少50%通过美国标准的尺寸 筛子尺寸#10(2mm开口)。 该组合物用于制备纤维素醚衍生物。

    Method for producing alkali cellulose
    5.
    发明授权
    Method for producing alkali cellulose 有权
    碱性纤维素的制造方法

    公开(公告)号:US09416198B2

    公开(公告)日:2016-08-16

    申请号:US14115252

    申请日:2012-04-27

    摘要: 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.

    摘要翻译: 本发明涉及一种碱性纤维素的制造方法,其抑制聚合度的降低以及碱性化合物的使用量的降低,以及通过使用由此得到的碱纤维素制造纤维素醚的方法。 本发明提供:(A)碱纤维素的制造方法,其包括步骤1,其中通过粉碎机处理含纤维素的原料(I),从而得到含有纤维素的原料(II),其含有 结晶度为10〜55%的纤维素和步骤2,其中步骤1中得到的含纤维素原料(II)相对于碱性化合物为0.6〜1.5mol,相对于 1mol构成上述纤维素的脱水葡萄糖单元以及水相对于所述纤维素为20〜100质量%的水分,得到碱纤维素; 和(B)通过使通过上述制备方法制备的碱纤维素与醚化剂反应制备纤维素醚的方法。

    Cellulose ethers having reactive anchor group, modified cellulose ethers obtainable therefrom and methods for the preparation thereof
    6.
    发明授权
    Cellulose ethers having reactive anchor group, modified cellulose ethers obtainable therefrom and methods for the preparation thereof 有权
    具有反应性锚定基团的纤维素醚,可从其获得的改性纤维素醚及其制备方法

    公开(公告)号:US09040680B2

    公开(公告)日:2015-05-26

    申请号:US14029970

    申请日:2013-09-18

    发明人: Mike Kleinert

    摘要: Non-ionic water-soluble cellulose ethers modified with 3-azido-2-hydroxypropyl groups bound via an ether link are provided having a molar degree of substitution MSAHP in the range from 0.001 to 0.50. Exemplary cellulose ethers are alkyl celluloses, including methyl, hydroxyalkyl (e.g. hydroxyethyl or hydroxypropyl) or alkylhydroxyalkyl cellulose (e.g. methylhydroxyethyl). Reaction products with alkyne compounds are also provided, resulting in a terminal alkyne group. The reaction of azide with the alkyne proceeds as a 1,3-dipolar cycloaddition reaction, advantageously with Cu(I) or ruthenium catalysts. A multiplicity of cellulose ethers can be obtained from the conversion reaction. Variations in the macroscopic properties can be achieved by controlled modification, ranging from increased or reduced viscosity. The reaction, taking place within a few seconds, requires only minimal catalyst. Gel formation is reversible by adjustment of the pH such that a monophasic system (high-viscous fluid) arises again from a biphasic system (gel+low-viscous water phase).

    摘要翻译: 提供了通过醚键结合的3-叠氮基-2-羟丙基基团改性的非离子水溶性纤维素醚,其摩尔取代度MSAHP为0.001至0.50。 示例性纤维素醚是烷基纤维素,包括甲基,羟烷基(例如羟乙基或羟丙基)或烷基羟烷基纤维素(例如甲基羟乙基)。 还提供了与炔化合物的反应产物,得到末端炔基。 叠氮化物与炔的反应作为1,3-偶极环加成反应,有利地用Cu(I)或钌催化剂进行。 可以从转化反应获得多种纤维素醚。 宏观特性的变化可以通过控制修饰来实现,范围从增加或降低的粘度。 在几秒钟内发生的反应只需要最少的催化剂。 凝胶形成可通过调节pH而逆转,使得单相系统(高粘性流体)再次从双相系统(凝胶+低粘度水相)产生。

    Raw cotton linters composition, method of making, and uses thereof
    7.
    发明授权
    Raw cotton linters composition, method of making, and uses thereof 有权
    原棉短绒组合物,制造方法及其用途

    公开(公告)号:US08173799B2

    公开(公告)日:2012-05-08

    申请号:US10822926

    申请日:2004-04-13

    摘要: A composition of a loose mass of comminuted raw cotton linter fibers has a bulk density of at least 8 g/100 ml and at least 50% of the fibers in the mass passes through a US standard sieve size #10 (2 mm opening). This composition is made by obtaining a loose mass of first cut, second cut, third cut, or mill runs raw cotton linters or mixtures thereof and comminuting the loose mass of raw cotton linters to a size wherein at least 50% pass through a US standard sieve size #10 (2 mm opening). This composition is used to make cellulose ether derivatives.

    摘要翻译: 粉碎的原棉短绒纤维的松散质量的组合物的堆积密度为至少8g / 100ml,并且质量中至少50%的纤维通过美国标准筛号#10(2mm开口)。 该组合物通过获得松散质量的第一切割,第二切割,第三切割或粗轧原棉短绒或其混合物制成,并将松散的原棉短绒粉碎成至少50%通过美国标准的尺寸 筛子尺寸#10(2mm开口)。 该组合物用于制备纤维素醚衍生物。

    Cellulose ethers having reactive anchor group, modified cellulose ethers obtainable therefrom and methods for the preparation thereof
    8.
    发明申请
    Cellulose ethers having reactive anchor group, modified cellulose ethers obtainable therefrom and methods for the preparation thereof 有权
    具有反应性锚定基团的纤维素醚,可从其获得的改性纤维素醚及其制备方法

    公开(公告)号:US20150183887A1

    公开(公告)日:2015-07-02

    申请号:US14645700

    申请日:2015-03-12

    发明人: Mike KLEINERT

    IPC分类号: C08B11/145

    摘要: Non-ionic water-soluble cellulose ethers modified with 3-azido-2-hydroxypropyl groups bound via an ether link are provided having a molar degree of substitution MSAHP in the range from 0.001 to 0.50. Exemplary cellulose ethers are alkyl cell doses, including methyl, hydroxyalkyl (e.g. hydroxyethyl hydroxypropyl) or alkylhydroxyalkyl cellulose (e.g. methylhydroxyethyl). Reaction products with alkyne compounds are also provided, resulting in a terminal alkyne group. The reaction of azide with the alkyne proceeds as a 1,3-dipolar cycloaddition reaction, advantageously with Cu(I) or ruthenium catalysts. A multiplicity of cellulose ethers can be obtained from the conversion reaction. Variations in the macroscopic properties can be achieved by controlled modification, ranging from increased or reduced viscosity. The reaction, taking place within a few seconds, requires only minimal catalyst. Gel formation is reversible by adjustment of the pH such that a monophasic system (high-viscous fluid) arises again from a biphasic system (gel+low-viscous water phase).

    摘要翻译: 提供了通过醚键结合的3-叠氮基-2-羟丙基基团改性的非离子水溶性纤维素醚,其摩尔取代度MSAHP为0.001至0.50。 示例性纤维素醚是烷基细胞剂量,包括甲基,羟烷基(例如羟乙基羟丙基)或烷基羟烷基纤维素(例如甲基羟乙基)。 还提供了与炔化合物的反应产物,得到末端炔基。 叠氮化物与炔的反应作为1,3-偶极环加成反应,有利地用Cu(I)或钌催化剂进行。 可以从转化反应获得多种纤维素醚。 宏观特性的变化可以通过控制修饰来实现,范围从增加或降低的粘度。 在几秒钟内发生的反应只需要最少的催化剂。 凝胶形成可通过调节pH而逆转,使得单相系统(高粘性流体)再次从双相系统(凝胶+低粘度水相)产生。