METHOD FOR ACYLATING CELLULOSE WITH A SPECIFIC AVERAGE DEGREE OF POLYMERIZATION
    1.
    发明申请
    METHOD FOR ACYLATING CELLULOSE WITH A SPECIFIC AVERAGE DEGREE OF POLYMERIZATION 审中-公开
    用特定平均聚合度聚合纤维素的方法

    公开(公告)号:US20090182138A1

    公开(公告)日:2009-07-16

    申请号:US12305004

    申请日:2007-06-20

    IPC分类号: C08B15/00

    摘要: The present invention describes a process for acylating polysaccharides or oligosaccharides, which comprises dissolving a polysaccharide or oligosaccharide in at least one ionic liquid and, in step A) treating the solution with at least one acid, if appropriate with addition of water, (step A1) or, if appropriate with addition of water, at elevated temperature (step A2) and, in step B) reacting the polysaccharide or oligosaccharide obtained in this way, whose DP is lower than that of the polysaccharide or oligosaccharide used, with an acylating agent.

    摘要翻译: 本发明描述了一种用于酰化多糖或寡糖的方法,其包括将多糖或寡糖溶解在至少一种离子液体中,并且在步骤A)中,如果适量加入水,则用至少一种酸处理该溶液(步骤A1 ),或者如果适当加入水,则在升高的温度下(步骤A2),并且在步骤B中)使DP得到的多糖或寡糖的DP低于所用多糖或寡糖的多糖或寡糖与酰化剂 。

    METHOD FOR PRODUCING CELLULOSE ACETALS
    7.
    发明申请
    METHOD FOR PRODUCING CELLULOSE ACETALS 审中-公开
    生产纤维素乙醇的方法

    公开(公告)号:US20090187016A1

    公开(公告)日:2009-07-23

    申请号:US12307336

    申请日:2007-06-28

    IPC分类号: C08B11/20 C08B11/00

    CPC分类号: C08B15/10 C08B11/08

    摘要: The present invention describes a process for preparing acetals of polysaccharides, oligosaccharides or disaccharides by dissolving these in at least one ionic liquid and reacting them with a vinyl ether. The acetalated polysaccharides or oligosaccharides obtained in this way can be crosslinked by treatment with acid. The present invention also provides acetals of polysaccharides, oligosaccharides or disaccharides and also crosslinked polysaccharides or oligosaccharides.

    摘要翻译: 本发明描述了通过将它们溶解在至少一种离子液体中并使其与乙烯基醚反应来制备多糖,寡糖或二糖的缩醛的方法。 以这种方式获得的缩醛多糖或寡糖可以通过用酸处理来交联。 本发明还提供多糖,寡糖或二糖的缩醛,以及交联的多糖或寡糖。

    PROCESS FOR PREPARING IONIC LIQUIDS BY ANION EXCHANGE
    8.
    发明申请
    PROCESS FOR PREPARING IONIC LIQUIDS BY ANION EXCHANGE 失效
    通过阴离子交换制备离子液体的方法

    公开(公告)号:US20100217010A1

    公开(公告)日:2010-08-26

    申请号:US12682876

    申请日:2008-10-31

    IPC分类号: C07D233/58

    CPC分类号: C07D233/58

    摘要: Process for preparing salts of the formula I (B+)nxAy− where B is a cation comprising at least one nitrogen atom, A is an anion and n is an integer from 1 to 3, x and y are each an integer from 1 to 3 and the product of x and y is equal to n, by reacting salts of the formula II (B+)nxAy− where B and n, x and y are as defined above and C is a compound which has one or more carboxylate groups (referred to as carboxylate for short) and is different from A, with the ammonium salt of the anion A or with the protic acid of the anion A in the presence of ammonia.

    摘要翻译: 制备式I(B +)n x A y - 的盐的方法,其中B是包含至少一个氮原子的阳离子,A是阴离子,n是1至3的整数,x和y各自是1至3的整数 并且x和y的乘积等于n,通过使式II(B +)n x A y - 的盐反应,其中B和n,x和y如上所定义,C是具有一个或多个羧酸酯基团的化合物 至于羧酸盐),并且在氨的存在下与A,阴离子A的铵盐或阴离子A的质子酸不同。

    Process for preparing ionic liquids by anion exchange
    9.
    发明授权
    Process for preparing ionic liquids by anion exchange 失效
    通过阴离子交换制备离子液体的方法

    公开(公告)号:US08389740B2

    公开(公告)日:2013-03-05

    申请号:US12682876

    申请日:2008-10-31

    CPC分类号: C07D233/58

    摘要: Process for preparing salts of the formula I (B+)nxAy− where B is a cation comprising at least one nitrogen atom, A is an anion and n is an integer from 1 to 3, x and y are each an integer from 1 to 3 and the product of x and y is equal to n, by reacting salts of the formula II (B+)nxCy− where B and n, x and y are as defined above and C is a compound which has one or more carboxylate groups (referred to as carboxylate for short) and is different from A, with the ammonium salt of the anion A or with the protic acid of the anion A in the presence of ammonia.

    摘要翻译: 制备式I(B +)n x A y - 的盐的方法,其中B是包含至少一个氮原子的阳离子,A是阴离子,n是1至3的整数,x和y各自是1至3的整数 并且x和y的乘积等于n,通过使式II(B +)nxCy-的盐反应,其中B和n,x和y如上所定义,C是具有一个或多个羧酸酯基团的化合物 至于羧酸盐),并且在氨的存在下与A,阴离子A的铵盐或阴离子A的质子酸不同。

    Distillation of ionic liquids
    10.
    发明授权
    Distillation of ionic liquids 有权
    蒸馏离子液体

    公开(公告)号:US08382962B2

    公开(公告)日:2013-02-26

    申请号:US12675445

    申请日:2008-08-15

    IPC分类号: B01D3/00

    摘要: A method of distilling mixtures of salts having a melting point of less than 200° C. at 1 bar (ionic liquids). The cation of the ionic liquid has a heterocyclic ring system having at least one nitrogen atom, and all nitrogen atoms of the heterocyclic ring system have an organic group as substituent. The anion of the ionic liquid is a compound having at least one carboxylate group or at least one phosphate group. The distance from the surface via which the heat of distillation is introduced in the distillation (vaporizer surface) to the surface at which condensation takes place (condenser surface) is less than 50 cm at at least one point, with the vaporizer surface and condenser surface themselves having at least one length dimension of greater than 50 cm.

    摘要翻译: 在1巴(离子液体)下蒸馏出熔点小于200℃的盐的混合物的方法。 离子液体的阳离子具有至少具有一个氮原子的杂环系统,并且杂环系统的所有氮原子都具有有机基团作为取代基。 离子液体的阴离子是具有至少一个羧酸酯基团或至少一个磷酸酯基团的化合物。 在蒸馏(蒸发器表面)中引入蒸馏热的表面到发生冷凝的表面(冷凝器表面)的表面的距离在至少一点处小于50cm,蒸发器表面和冷凝器表面 它们具有至少一个长度尺寸大于50cm的自身。