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    • 3. 发明申请
    • PROCESS FOR PRODUCING NON-CRYSTALLINE CELLULOSE
    • 生产非晶体纤维素的方法
    • US20120103324A1
    • 2012-05-03
    • US13321330
    • 2010-05-19
    • Kazutomo OsakiKeiichiro TomiokaNaoki NojiriMasahiro UmeharaMasafumi Miyamoto
    • Kazutomo OsakiKeiichiro TomiokaNaoki NojiriMasahiro UmeharaMasafumi Miyamoto
    • C08B1/00
    • A61K8/731A61Q19/00C08B1/00C08B1/06C08B15/08
    • The invention relates to a highly productive process for producing decrystallized cellulose which includes treating a cellulose-containing raw material by means of a mill, wherein the cellulose-containing raw material has a cellulose content of a residue obtained by removing water from the cellulose-containing raw material of 20 mass % or more, has a cellulose I-type crystallinity of cellulose more than 33% as calculated from the following formula (1): Cellulose I-type Crystallinity (%)=[(I22.6−I18.5)/I22.6]×100  (1), wherein I22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2θ of 22.6° in X-ray diffraction analysis; and I18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2θ of 18.5° in X-ray diffraction analysis, and has a water content of 1.8 mass % or less, to thereby reduce the cellulose I-type crystallinity to 33% or less.
    • 本发明涉及生产非晶纤维素的高效生产方法,其包括用研磨机处理含纤维素的原料,其中含纤维素的原料具有通过从含纤维素的水中除去水而获得的残留物的纤维素含量 原料为20质量%以上,纤维素I型结晶度(%)= [(I22.6〜I18.5)],纤维素I型结晶度为33%以上 )/ I22.6]×100(1),其中I22.6是在衍射角2θ处测量的晶格面(002平面)的衍射强度; 在X射线衍射分析中为22.6°; I18.5是在衍射角2θ处测量的非晶部分的衍射强度; 的X射线衍射分析中为18.5°,水含量为1.8质量%以下,从而将纤维素I型结晶度降低至33%以下。
    • 6. 发明申请
    • PROCESS FOR PRODUCING NONCRYSTALLINE CELLULOSE
    • 生产非结晶纤维素的方法
    • US20100105891A1
    • 2010-04-29
    • US12527047
    • 2008-02-15
    • Naoki NojiriMasahiro UmeharaTomohito KitsukiMunehisa OkutsuKeiichiro Tomioka
    • Naoki NojiriMasahiro UmeharaTomohito KitsukiMunehisa OkutsuKeiichiro Tomioka
    • C08B15/00
    • C08B1/00C08B15/08C08H8/00
    • The present invention relates to a process for producing a decrystallized cellulose having a reduced cellulose I-type crystallinity from a cellulose-containing raw material in an efficient manner with an excellent productivity. In accordance with the present invention, there is provided a process for producing a decrystallized cellulose from a raw material containing a cellulose having a cellulose I-type crystallinity of more than 33% as calculated from the following formula: Cellulose I-type Crystallinity (%)=[(I22.6−I18.5)/I22.6]×100 wherein I22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2θ of 22.6° in X-ray diffraction analysis; and I18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2θ of 18.5° in X-ray diffraction analysis, the process including the step of treating the cellulose-containing raw material using a media-type mill to reduce the cellulose I-type crystallinity of the cellulose to 33% or less, wherein the cellulose-containing raw material has a bulk density of from 100 to 500 kg/m3, and a content of the cellulose in a residue obtained by removing water from the cellulose-containing raw material is 20% by weight or more.
    • 本发明涉及一种以有效的方式从含纤维素原料生产具有降低的纤维素I型结晶度的脱结晶纤维素的方法,该方法具有优异的生产率。 根据本发明,提供了一种从含有纤维素I型结晶度大于33%的纤维素的原料制备脱纤维素的方法,由下式计算:纤维素I型结晶度(% )= [(I22.6-I18.5)/I22.6]×100其中I22.6是在衍射角2θ测定的晶格面(002平面)的衍射强度; 在X射线衍射分析中为22.6°; I18.5是在衍射角2θ处测量的非晶部分的衍射强度; 在该X射线衍射分析中为18.5°,该方法包括使用介质型研磨机处理含纤维素原料的步骤,将纤维素的纤维素I型结晶度降低至33%或更低,其中纤维素 - 含有原料的堆积密度为100〜500kg / m 3,通过从含纤维素原料中除去水而得到的残渣中的纤维素含量为20重量%以上。
    • 7. 发明授权
    • Process for producing noncrystalline cellulose
    • 非晶纤维素的制造方法
    • US08436165B2
    • 2013-05-07
    • US12527047
    • 2008-02-15
    • Naoki NojiriMasahiro UmeharaTomohito KitsukiMunehisa OkutsuKeiichiro Tomioka
    • Naoki NojiriMasahiro UmeharaTomohito KitsukiMunehisa OkutsuKeiichiro Tomioka
    • C07H1/00C08B1/00
    • C08B1/00C08B15/08C08H8/00
    • The present invention relates to a process for producing a decrystallized cellulose having a reduced cellulose I-type crystallinity from a cellulose-containing raw material in an efficient manner with an excellent productivity. In accordance with the present invention, there is provided a process for producing a decrystallized cellulose from a raw material comprising at least 20% by weight, based on the weight of the raw material excluding water contained therein, of a cellulose having a cellulose I-type crystallinity of more than 33% as calculated from the following formula: Cellulose I-type Crystallinity (%)=[(I22.6−I18.5)/I22.6]×100 wherein I22.6 is a diffraction intensity of a lattice plane (002 plane) as measured at a diffraction angle 2θ of 22.6° in X-ray diffraction analysis; and I18.5 is a diffraction intensity of an amorphous moiety as measured at a diffraction angle 2θ of 18.5° in X-ray diffraction analysis, the process including the step of treating the cellulose-containing raw material using a media-type mill to reduce the cellulose I-type crystallinity of the cellulose to 33% or less, wherein the cellulose-containing raw material has a bulk density of from 100 to 500 kg/m3.
    • 本发明涉及一种以有效的方式从含纤维素原料生产具有降低的纤维素I型结晶度的脱结晶纤维素的方法,该方法具有优异的生产率。 根据本发明,提供了一种从原料生产去结晶纤维素的方法,该方法包含至少20重量%,基于其中所含的不含水的原料的重量,具有纤维素I- 型结晶度大于33%,如下式所示:纤维素I型结晶度(%)= [(I22.6-I18.5)/ I22.6]×100其中,I22.6为衍射强度 在X射线衍射分析中在衍射角2θ为22.6°时测得的晶格面(002平面); I18.5是在X射线衍射分析中在衍射角2θ为18.5°测定的非晶部分的衍射强度,该方法包括使用介质型磨机处理含纤维素原料的步骤以减少 纤维素的纤维素I型结晶度为33%以下,其中,所述含纤维素原料的体积密度为100〜500kg / m 3。