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    • 1. 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。
    • 6. 发明授权
    • Process for production of monoalkyl ethers
    • 单烷基醚的制备方法
    • US06504063B2
    • 2003-01-07
    • US09867460
    • 2001-05-31
    • Munehisa OkutsuTomohito KitsukiAtsushi Nagasawa
    • Munehisa OkutsuTomohito KitsukiAtsushi Nagasawa
    • C07C4101
    • C07C41/06C07C41/20Y02P20/584C07C43/13C07C43/135C07C43/178
    • A process for producing a monoalkyl ether which comprises a first step of contacting the following components (A) and (B):(A): an aqueous liquid phase containing: (a1) a C3-6 polyol having 3 or 4 hydroxyl groups, a palladium compound, a water-soluble tertiary phosphine or phosphite, and water; or (a2) a C3-6 polyol having 3 to 4 hydroxyl groups, a complex of palladium and a water-soluble tertiary phosphine or phosphite, and water, and (B): an oily liquid phase containing a conjugated diene, to give an alkadienyl ether containing an alkadienyl group resulting from dimerization of conjugated dienes; and a second step of hydrogenating the alkadienyl group in the alkadienyl ether in a hydrogen atmosphere in the presence of a catalyst containing an element selected from the Groups 8 to 10 elements of the periodic table. According to the process of the invention, monoalkyl ethers of polyols are produced selectively in a simple manner and advantageously from the economical viewpoint. The present process enables recovery and recycling of the catalyst.
    • 一种制备单烷基醚的方法,其包括使以下组分(A)和(B):A)接触的第一步骤:含有(a1)具有3或4个羟基的C 3-6多元醇的水性液相, 钯化合物,水溶性叔膦或亚磷酸酯和水; 或(a2)具有3〜4个羟基的C3-6多元醇,钯和水溶性叔膦或亚磷酸酯的配合物和水,和(B):含有共轭二烯的油性液相,得到 含有由共轭二烯的二聚产生的链二烯基的链二烯基醚; 以及在含有选自元素周期表第8-10族元素的元素的催化剂存在下,在氢气气氛中,在链二烯基醚中氢化链二烯基的第二步骤。根据本发明的方法, 多元醇以简单的方式选择性地产生,并且从经济角度来看是有利的。 本方法能够回收和再循环催化剂。
    • 7. 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。
    • 8. 发明授权
    • Aluminum compounds and use thereof
    • 铝化合物及其用途
    • US06207845B1
    • 2001-03-27
    • US09403765
    • 1999-11-01
    • Munehisa OkutsuTomohito KitsukiKatsumi Kita
    • Munehisa OkutsuTomohito KitsukiKatsumi Kita
    • C07F506
    • B01J31/143B01J31/0212B01J31/0225B01J2231/40B01J2231/48C07C41/03C07C309/04C07C309/30C07C309/31C07C309/35C07C309/42C07F5/061C07F5/069C07C43/135C07C43/137C07C43/13
    • An aluminum compounds represented by the following general formula (1): Al(R1—SO3)1(R2)m(R3)n   (1) wherein R1 is a hydrocarbon group which may be substituted, R2 is a hydrocarbon group which may be substituted, an aliphatic hydrocarbonoxy group which may be substituted, or a halogen atom, R3 is an aromatic hydrocarbonoxy group which may be substituted, and 1, m and n are independently a number of 0 to 3, with the proviso that 1+m+n equals 3, and 1 is not 0, an acid catalyst comprising the aluminum compound, and a process for producing an ester, acetal, ketal, ether or alkyl glycoside making use of the catalyst. The catalyst is suitable for use in a variety of acid-catalyzed reactions of alcohols, i.e., reactions with carbonyl compounds, such as esterification, transesterification, acetalization and ketalization, etherification, ring-opening reactions of epoxy compounds, etc. in addition to the above-described respective reactions, is not deactivated by alcoholysis, has a sufficient activity, can easily control a reaction catalyzed thereby and scarcely causes side reactions. Consequently, the use of the catalyst permits the production of the intended product at a high yield from starting materials used in an almost equimolar proportion.
    • 由以下通式(1)表示的铝化合物:其中R1是可被取代的烃基,R2是可被取代的烃基,可被取代的脂族烃氧基或卤素原子,R3是 可以被取代的芳族烃氧基,并且1,m和n独立地为0-3的数,条件是1 + m + n等于3,并且1不为0,包含铝化合物的酸催化剂, 以及利用催化剂生产酯,缩醛,缩酮,醚或烷基糖苷的方法。该催化剂适用于各种酸催化的醇反应,即与羰基化合物的反应,如酯化, 酯交换,缩醛化和缩酮化,醚化,环氧化合物的开环反应等除了上述各自的反应之外,不通过醇解使其失活,具有足够的活性,可以容易地控制ar 因此催化,并且几乎不引起副反应。 因此,使用催化剂允许以几乎等摩尔比例使用的起始材料从高产率生产所需产品。