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124 条记录 (耗时 0.014 秒)

    Removal of liquid from pullulan
    83.
    发明授权
    Removal of liquid from pullulan 失效
    从支链淀粉中除去液体

    公开(公告)号：US5709801A

    公开(公告)日：1998-01-20

    申请号：US708847

    申请日：1996-09-09

    申请人： Kanji Murofushi ,  Shigehiro Nagura ,  Jiro Moriya

    发明人： Kanji Murofushi ,  Shigehiro Nagura ,  Jiro Moriya

    IPC分类号： B30B9/20 ,  C08B37/00 ,  B01D37/00

    CPC分类号： C08B37/0018 ,  B30B9/202

    摘要： Pullulan is precipitated from an aqueous solution by mixing with a hydrophilic organic solvent incapable of dissolving pullulan. Solid pullulan is then separated from the liquid component of the dispersion by feeding the dispersion into a V-type disk press having a pair of discoid screens arranged so that the distance between them decreases as they are rotated. The pullulan dispersion is pressed by the discoid screens, recovering the liquid component through the screens. The resulting low-liquid-content pullulan continues to rotate together with the screens to an outlet, where it is discharged from the press.

    摘要翻译： 通过与不能溶解支链淀粉的亲水性有机溶剂混合，从水溶液中沉淀支链淀粉。 然后通过将分散体输送到具有一对盘状筛网的V型盘压榨机中，使分散体的液体组分分离，使得它们之间的距离随着其旋转而减小。 支链淀粉分散体被盘状筛网压制，通过筛网回收液体组分。 所得到的低液体含量的支链淀粉继续与筛网一起旋转到出口，在那里从压榨机排出。

    Ionic pullulan gels and production thereof
    85.
    发明授权
    Ionic pullulan gels and production thereof 失效
    离子支链淀粉凝胶及其生产

    公开(公告)号：US4174440A

    公开(公告)日：1979-11-13

    申请号：US890505

    申请日：1978-03-27

    申请人： Fumio Fujita ,  Kousuke Fukami ,  Masanori Fujimoto ,  Tsuneyuki Nagase

    发明人： Fumio Fujita ,  Kousuke Fukami ,  Masanori Fujimoto ,  Tsuneyuki Nagase

    IPC分类号： B01J39/22 ,  C08B37/00 ,  C07H15/04

    CPC分类号： C08B37/0018 ,  B01J39/22

    摘要： A process for producing ionic pullulan gels which comprises gelation of pullulan by crosslinking and introduction of ionic groups into the resulting pullulan gel, the former comprising reacting pullulan with a bi-functional compound in a solvent in the presence of an alkaline substance, and the latter comprising reacting the resulting pullulan gel with a compound having a carboxyl, sulfonic, phosphoric or amino group in a solvent in the presence of an alkaline substance.

    摘要翻译： 一种生产离子支链淀粉凝胶的方法，其包括通过将离子基团交联并引入所得支链淀粉凝胶中而使支链淀粉凝胶化，前者包括在碱性物质存在下在溶剂中将支链淀粉与双官能化合物反应，后者 包括使所得支链淀粉凝胶与在溶剂中在碱性物质存在下具有羧基，磺酸基，磷酸基或氨基的化合物反应。

    Shaped bodies of pullulan esters and their use
    88.
    发明授权
    Shaped bodies of pullulan esters and their use 失效
    P LAN。。。。。。。。。。。。。。。。。。。

    公开(公告)号：US3871892A

    公开(公告)日：1975-03-18

    申请号：US42415173

    申请日：1973-12-12

    申请人： HAYASHIBARA BIOCHEM LAB

    发明人： HIJIYA HIROMI ,  SHIOSAKA MAKOTO

    IPC分类号： A23L29/269 ,  C08B37/00 ,  C08K5/05 ,  C08H1/00 ,  C08H7/00

    CPC分类号： C08B37/0018 ,  A23L29/274 ,  C08K5/05 ,  C08L5/00

    摘要： Pullulan esters are prepared by the reaction of pullulan with aliphatic or aromatic fatty acids or their derivatives in the presence of suitable solvents and/or catalysers. Said pullulan esters can be shaped by compression molding or extrusion at elevated temperature or by evaporation of solvents from their solutions to form shaped bodies, such as films or coatings which are practically impermeable to atmospheric oxygen in thin layers and unaffected by oils and fats so as to provide valuable packaging materials for food, pharmaceuticals, and other oxygen sensitive materials.

    摘要翻译： 支链淀粉酯通过在合适的溶剂和/或催化剂存在下通过支链淀粉与脂族或芳族脂肪酸或其衍生物的反应制备。 所述支链淀粉酯可以通过在升高的温度下进行压缩成型或挤出成型，或者通过溶剂从其溶液中蒸发而形成成形体，例如薄膜或涂层，薄膜或涂层在薄层中实际上不可渗透到大气中，并且不受油和脂肪的影响，因此 为食品，药品和其他氧敏感材料提供有价值的包装材料。

    Shaped solid body of pullulan ether and methods of making and using the same
    89.
    发明授权
    Shaped solid body of pullulan ether and methods of making and using the same 失效
    形状固体的支链淀粉醚及其制造和使用方法

    公开(公告)号：US3870537A

    公开(公告)日：1975-03-11

    申请号：US44509274

    申请日：1974-02-25

    申请人： HAYASHIBARA BIOCHEM LAB

    发明人： HIJIYA HIROMI ,  SHIOSAKA MAKOTO

    IPC分类号： C08L5/00 ,  C08B37/00 ,  D01F9/00 ,  C08B25/00 ,  C08B27/42

    CPC分类号： D01F9/00 ,  C08B37/0018

    摘要： Pullulan reacts with alkylating agents such as dimethyl sulfate, diethyl sulfate, ethylene oxide, and propylene oxide to form the corresponding lower-alkyl or hydroxy-lower-alkyl ethers which are much less soluble in water than pullulan, but retain sufficient sensitivity to moisture to be biodegradable when they do not contain more than one, and preferably not more than 0.5, alkoxy or hydroxyalkoxy group per glucose unit in the pullulan molecule. Films and fibers of the ethers are mechanically strong and are readily plasticised with water-soluble polyhydric alcohols. The ethers can be molded above their softening temperature in conventional injection or compression molding equipment. The films are practically impervious to atmospheric oxygen and suitable as packaging material.

    摘要翻译： 支链淀粉与烷基化剂例如硫酸二甲酯，硫酸二乙酯，环氧乙烷和环氧丙烷反应形成相应的低于烷基或羟基 - 低级烷基醚，其水溶性比支链淀粉少，但保持足够的水分敏感性 当在支链淀粉分子中每个葡萄糖单元不含有多于一个，优选不超过0.5个烷氧基或羟基烷氧基时，可生物降解。 醚的薄膜和纤维是机械强度的并且易于用水溶性多元醇增塑。 在常规注射或压缩成型设备中，醚可以在其软化温度以上模制。 这些薄膜实际上不受大气氧气的影响，适合作为包装材料使用。