Sulfonation, sulfation, and sulfamation
    21.
    发明授权
    Sulfonation, sulfation, and sulfamation 失效
    磺化,硫酸化和磺化

    公开(公告)号:US06448435B1

    公开(公告)日:2002-09-10

    申请号:US10067639

    申请日:2002-02-04

    CPC classification number: C07C303/06 C07B45/02 C07C309/30

    Abstract: A process that can be used for sulfonating, sulfating, or sulfamating an organic compound is disclosed. The process can comprise, consist essentially of, or consist of, contacting the organic compound with sulfur trioxide under a condition sufficient to effect the sulfonation, sulfation, or sulfamation of the organic compound. The organic compound can be an aromatic compound, alcohol, carbohydrate, amine, amide, protein, or combinations of two or more thereof. The sulfur trioxide can be present in a complex comprising an inorganic support such as zeolite, silicalite, silica, titanosilicate, borosilicate, clay, aluminophosphate, and combinations of two or more thereof.

    Abstract translation: 公开了可用于磺化,硫酸化或磺化有机化合物的方法。 该方法可以在有机化合物的磺化,硫酸化或磺化作用足够的条件下,包含有机化合物与三氧化硫的接触,或由其组成。 有机化合物可以是芳族化合物,醇,碳水化合物,胺,酰胺,蛋白质或其两种或多种的组合。 三氧化硫可以存在于包含无机载体如沸石,硅沸石,二氧化硅,钛硅酸盐,硼硅酸盐,粘土,磷酸铝及其两种或更多种的组合的络合物中。

    Purifaction of pentafluoroethanes
    23.
    发明授权
    Purifaction of pentafluoroethanes 失效
    五氟乙酸酐的纯化

    公开(公告)号:US5648569A

    公开(公告)日:1997-07-15

    申请号:US688451

    申请日:1996-07-30

    CPC classification number: B82Y30/00 C07C17/389 Y02P20/582

    Abstract: Mixtures of CClF.sub.2 CF.sub.3 (CFC-115) and CHF.sub.2 CF.sub.3 (HFC-125) can be substantially separated by using carbon nanotubes as a sorbent for CClF.sub.2 CF.sub.3. A process is described for treating a starting mixture of CHF.sub.2 CF.sub.3 and CClF.sub.2 CF.sub.3 to provide a product wherein the mole ratio of CHF.sub.2 CF.sub.3 to CClF.sub.2 CF.sub.3 is increased relative to the mole ratio of CHF.sub.2 CF.sub.3 to CClF.sub.2 CF.sub.3 in the starting mixture; and another process (involving desorbing sorbed CClF.sub.2 CF.sub.3) is disclosed for treating a starting mixture of CClF.sub.2 CF.sub.3 and CHF.sub.2 CF.sub.3 to provide a product mixture wherein the mole ratio of CClF.sub.2 CF.sub.3 to CHF.sub.2 CF.sub.3 is increased relative to the mole ratio of CClF.sub.2 CF.sub.3 to CHF.sub.2 CF.sub.3 in the starting mixture. The process for producing a CHF.sub.2 CF.sub.3 -enriched product and the process for producing a CClF.sub.2 CF.sub.3 -enriched product may be integrated into an overall process (e.g., a thermal swing cycle process) where both of said products are provided. Production of high purity HFC-125 is disclosed.

    Abstract translation: 通过使用碳纳米管作为CClF 2 CF 3的吸附剂,CClF 2 CF 3(CFC-115)和CHF 2 CF 3(HFC-125)的混合物可以基本上分离。 描述了一种处理CHF 2 CF 3和CClF 2 CF 3起始混合物以提供其中CHF2CF3与C​​ClF2CF3的摩尔比相对于起始混合物中CHF 2 CF 3与CClF 2 CF 3的摩尔比增加的产物的方法; 公开了另一种方法(包括解吸吸附的CClF 2 CF 3),用于处理CClF 2 CF 3和CHF 2 CF 3的起始混合物以提供其中CClF 2 CF 3与CHF 2 CF 3的摩尔比相对于起始混合物中CClF 2 CF 3与CHF 2 CF 3的摩尔比增加的产物混合物。 富含CHF2CF3的产物的制备方法和富含CClF2CF3的产物的制备方法可以整合到其中提供两种所述产物的整个方法(例如,热循环循环过程)中。 公开了高纯度HFC-125的生产。

    Process for the production of nan-sized zeolite A
    28.
    发明授权
    Process for the production of nan-sized zeolite A 失效
    生产纳米级沸石A的方法

    公开(公告)号:US07014837B2

    公开(公告)日:2006-03-21

    申请号:US10664774

    申请日:2003-09-16

    Abstract: Described is a process to synthesize nano-size Zeolite A from an amorphous gel precursor which can be synthesized via reaction of NaAlO2, NaOH, and tetraethoxysilane (TEOS). Zeolite A with particle sizes of ˜150 nm was made by transformation of the amorphous precursor in (CH3)4NOH solution with Zeolite A seeding. The nano-sized Zeolite A can be part of processes for making non-phosphate detergent where the as-synthesized Zeolite A used as builders, for making thin films for separation and/or catalysis, for making secondary ordered patterns.

    Abstract translation: 描述了从无定形凝胶前体合成纳米尺寸沸石A的方法,该无定形凝胶前体可以通过NaAlO 2 H 2,NaOH和四乙氧基硅烷(TEOS)的反应合成。 通过将(CH 3/3)4NH 4 NOH溶液中的无定形前体与沸石A接种进行转化,制备粒径为〜150nm的沸石A. 纳米尺寸的沸石A可以是制备非磷酸盐洗涤剂的方法的一部分,其中合成的沸石A用作助洗剂,用于制备用于分离和/或催化的薄膜,用于制备二次有序图案。

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