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    Modification of wood
    2.
    发明授权
    Modification of wood 失效
    修改木材

    公开(公告)号：US5652026A

    公开(公告)日：1997-07-29

    申请号：US653026

    申请日：1996-05-24

    申请人： Shiro Saka ,  Hisashi Miyafuji ,  Fumie Tanno ,  Akira Yamamoto ,  Masaki Tanaka ,  Kenji Yamamoto

    发明人： Shiro Saka ,  Hisashi Miyafuji ,  Fumie Tanno ,  Akira Yamamoto ,  Masaki Tanaka ,  Kenji Yamamoto

    IPC分类号： B27K3/15 ,  B05D7/06

    CPC分类号： B27K3/15 ,  C08L97/02 ,  C08L83/08

    摘要： Wood is modified by impregnating wood with a methylsiloxane oligomer and heating the impregnated wood to cure the oligomer. The oligomer is of the average compositional formula: (CH.sub.3 SiO.sub.3/2).sub.m (MO.sub.3/2).sub.n or [CH.sub.3 SiO.sub.3/2 ].sub.x [(CH.sub.3).sub.a SiO.sub.(4-a)/2 ].sub.y [MO .sub.3/2 ].sub.z wherein M is P, PO and/or B, m and n are positive numbers with an average ratio of m:n ranging from 99:1 to 50:50, x, y, and z are positive numbers with an average ratio of (x+y):z ranging from 99:1 to 50:50 and an average ratio of x:y ranging from 99:1 to 50:50, and a is 2 or 3, and has a hydroxyl group and/or an alkoxyl group at a terminal end. This treatment of wood is safe. Since the methylsilicone resins thus incorporated and fixed within wood are not leached out in water, the modified wood maintains flame retardance for a very long time upon exposure to rain and dew and has water repellence, decay resistance and dimensional stability.

    摘要翻译： 木材通过用甲基硅氧烷低聚物浸渍木材进行改性，并加热浸渍的木材以固化低聚物。 低聚物具有平均组成式：（CH 3 SiO + E，3/2 + EE）m（MO + E，3/2 + EE）n或[CH 3 SiO + E，3/2 + EE] （CH3）aSiO（4-a）/ 2] y [MO + E，fra 3/2 + EE] z其中M是P，PO和/或B，m和n是正数， n的范围从99:1至50:50，x，y和z是正数，平均比例为（x + y）：z为99:1至50:50，平均比例x:y范围为 99:1-50:50，a为2或3，末端具有羟基和/或烷氧基。 这种木材的处理是安全的。 由于在木材中结合并固定的甲基硅氧烷树脂不会在水中浸出，所以改性木材在暴露于雨水和露水后保持很长时间的阻燃性，并具有防水性，耐腐蚀性和尺寸稳定性。

    METHOD FOR CONTROLLING RATE OF LOWERING MOLECULAR WEIGHT OF POLYSACCHARIDES CONTAINED IN CELLULOSIC BIOMASS, AND METHOD FOR PRODUCING SUGAR, ALCOHOL, OR ORGANIC ACID
    4.
    发明申请
    METHOD FOR CONTROLLING RATE OF LOWERING MOLECULAR WEIGHT OF POLYSACCHARIDES CONTAINED IN CELLULOSIC BIOMASS, AND METHOD FOR PRODUCING SUGAR, ALCOHOL, OR ORGANIC ACID 审中-公开
    用于控制在细胞生物质中含有的多糖分子量下降的方法，以及生产糖，酒精或有机酸的方法

    公开(公告)号：US20110053230A1

    公开(公告)日：2011-03-03

    申请号：US12707083

    申请日：2010-02-17

    申请人： Kazuhide TABATA ,  Haruo Takahashi ,  Hisashi Miyafuji

    发明人： Kazuhide TABATA ,  Haruo Takahashi ,  Hisashi Miyafuji

    IPC分类号： C13K1/02 ,  C12P7/04 ,  C12P7/40

    CPC分类号： C12P19/02 ,  C12P7/10 ,  C12P7/40 ,  C12P7/56 ,  C13K1/02 ,  Y02E50/16

    摘要： An object of the present invention is to provide, with regard to a method for lowering the molecular weight of polysaccharides contained in a cellulosic biomass by mixing the cellulosic biomass with ionic liquid, a method for controlling such rate of lowering of molecular weight. Also, a method for producing sugar, alcohol, or organic acid using the controlling method is provided. The method comprises mixing a cellulosic biomass with ionic liquid under an atmosphere with a partial pressure ratio differing from that of air. Under such an atmosphere with oxygen partial pressure higher than that of air, the rate of lowering molecular weight can be increased, and under an atmosphere with nitrogen partial pressure or carbon dioxide partial pressure higher than that of air or a reduced-pressure atmosphere, the rate of lowering molecular weight can be decreased.

    摘要翻译： 本发明的目的是提供一种通过将纤维素生物质与离子液体混合来降低纤维素生物质中所含多糖的分子量的方法，用于控制分子量降低速率的方法。 另外，提供了使用该控制方法制造糖，醇或有机酸的方法。 该方法包括将纤维素生物质与离子液体在气压不同于空气的气压下混合。 在氧分压比空气高的气氛中，可以提高降低分子量的速度，在氮分压或二氧化碳分压比空气或减压气氛高的气氛中， 降低分子量的速度可以降低。