Distillation of ionic liquids
    45.
    发明授权
    Distillation of ionic liquids 失效
    蒸馏离子液体

    公开(公告)号:US07754053B2

    公开(公告)日:2010-07-13

    申请号:US10585868

    申请日:2005-01-07

    申请人: Matthias Maase

    发明人: Matthias Maase

    CPC分类号: C07B63/00 Y10S203/11

    摘要: The invention relates to a process for the distillation of ionic liquids, in which a pressure not higher than ambient pressure is set in a first step and the ionic liquid is heated to a temperature in the range from 60° C. to 350° C. in a second step. The process is employed, in particular, for the purification of ionic liquids.

    摘要翻译: 本发明涉及蒸馏离子液体的方法,其中在第一步骤中设定不高于环境压力的压力,并将离子液体加热至60℃至350℃的温度。 在第二步。 该方法特别用于离子液体的纯化。

    Method for producing substituted arylcarboxylic acid chlorides
    47.
    发明授权
    Method for producing substituted arylcarboxylic acid chlorides 有权
    取代芳基羧酸氯化物的制备方法

    公开(公告)号:US07495130B2

    公开(公告)日:2009-02-24

    申请号:US10564855

    申请日:2004-07-14

    IPC分类号: C07C51/58 C07C63/10

    CPC分类号: C07C51/58 C07C63/04

    摘要: A process for preparing mono- or poly-C1-C20-alkyl- and/or -halogen-substituted arylcarbonyl chlorides (I), by, in a first stage, reacting a mono- or poly-C1-C20-alkyl- and/or -halogen-substituted aromatic (II) with CCl4 in the presence of a Friedel-Crafts catalyst to give the corresponding mono- or poly-C1-C20-alkyl- and/or -halogen-substituted trichloromethylated aromatic (III),and, in a second stage, treating the trichloromethylated aromatic (III) with water or a protic acid in the presence of a catalyst to obtain the arylcarbonyl chloride (I).In a particularly preferred embodiment, the trichloromethylated aromatic (III) is not isolated as an intermediate and is used in the second stage dissolved in the solvent of the first stage.

    摘要翻译: 一种制备单-Ca-C20烷基和/或卤素取代的芳基羰基氯化物(I)的方法,在第一阶段中,使单 - 或多-C1-C20烷基 - 和/ 或 - 卤素取代的芳族(II)与CCl 4在Friedel-Crafts催化剂存在下反应,得到相应的单或多C1-C20烷基 - 和/或 - 卤素取代的三氯甲基化芳族(III) 在第二阶段中,在催化剂存在下用水或质子酸处理三氯甲基化芳族化合物(III),得到芳基羰基氯(I)。 在特别优选的实施方案中,三氯甲基化芳族(III)不作为中间体分离,并且用于溶解在第一阶段的溶剂中的第二阶段。

    Solvent System Based on Molten Ionic Liquids, Its Production and Use for Producing Regenerated Carbohydrates
    48.
    发明申请
    Solvent System Based on Molten Ionic Liquids, Its Production and Use for Producing Regenerated Carbohydrates 有权
    基于熔融离子液体的溶剂体系,其生产和用于生产再生碳水化合物

    公开(公告)号:US20080269477A1

    公开(公告)日:2008-10-30

    申请号:US12158869

    申请日:2006-12-22

    IPC分类号: C08B16/00

    摘要: A solution system for biopolymers in the form of carbohydrates based on a molten ionic liquid, additives optionally being contained in the solution system, is described. This solution system contains a protic solvent or a mixture of several protic solvents, and in the case where the protic solvent is solely water, this is present in the solution system in an amount of more than about 5 wt. %. Carbohydrates can be incorporated into the solution system, in particular in the form of starch, cellulose and derivatives thereof, and it can then be used for regeneration of the carbohydrates contained therein. A particularly advantageous process for the preparation of the solution system containing the carbohydrates and for the preparation of regenerated carbohydrates, in particular in the form of regenerated cellulose fibers, is moreover described. The invention accordingly also provides such spun fibers as are distinguished in that they are non-fibrillating. The invention offers in particular economic advantages over the systems of the prior art.

    摘要翻译: 描述了基于熔融离子液体的碳水化合物形式的生物聚合物的溶液系统,任选地包含在溶液体系中的添加剂。 该溶液系统含有质子溶剂或几种质子溶剂的混合物,在质子溶剂仅为水的情况下,溶液体系中的溶解体积大于约5wt。 %。 碳水化合物可以并入溶液体系中,特别是淀粉,纤维素及其衍生物的形式,然后可以用于其中所含的碳水化合物的再生。 此外,还描述了制备含有碳水化合物和用于制备再生碳水化合物,特别是再生纤维素纤维形式的溶液体系的特别有利的方法。 因此,本发明还提供了这样的纺丝纤维,其特征在于它们是非原纤化的。 本发明相对于现有技术的系统提供了特别的经济优势。