PROCESS FOR THE REDUCTION OF RfC=CX IMPURITIES IN FLUOROOLEFINS
    1.
    发明申请
    PROCESS FOR THE REDUCTION OF RfC=CX IMPURITIES IN FLUOROOLEFINS 审中-公开
    减少氟化物中的RfC = CX污染物的方法

    公开(公告)号:US20150259267A1

    公开(公告)日:2015-09-17

    申请号:US14210640

    申请日:2014-03-14

    CPC classification number: C07C17/389 C07C17/087 C07C17/25 Y02P20/582 C07C21/18

    Abstract: This disclosure relates to processes which involve: contacting a mixture comprising at least one fluoroolefin and at least one RfC≡CX impurity with at least one zeolite to reduce the concentration of the at least one RfC≡CX impurity in the mixture; wherein Rf is a straight-chain perfluorinated alkyl group, and X is H, F, Cl, Br or I; and the at least one zeolite is selected from the group consisting of zeolites having pore opening of at least 4 Angstroms and no more than about 5 Angstroms, zeolites having pore opening of at least about 5 Angstroms and Sanderson electronegativity of no more than about 2.6, and mixtures thereof; provided that the at least one zeolite is not zeolite 4A. This disclosure also relates to processes for making at least one hydrotetrafluoropropene product selected from the group consisting of CF3CF═CH2, CF3CH═CHF, and mixtures thereof; and relates to processes for making at least one hydrochlorotrifluoropropene product selected from the group consisting of CF3CCl═CH2, CF3CH═CHCl, and mixtures thereof.

    Abstract translation: 本公开涉及涉及以下方法:将包含至少一种氟代烯烃和至少一种RfC≡CX杂质的混合物与至少一种沸石接触以降低混合物中至少一种RfC≡CX杂质的浓度; 其中Rf是直链全氟化烷基,X是H,F,Cl,Br或I; 并且所述至少一种沸石选自开孔度为至少4埃且不大于约5埃的沸石,孔开孔至少约5埃的沸石和不超过约2.6的孔氏体电离性, 及其混合物; 条件是至少一种沸石不是沸石4A。 本公开还涉及制备至少一种选自CF 3CF≡CH2,CF 3 CH = CHF及其混合物的氢四氟丙烯产物的方法; 并涉及制备选自CF 3 CCl = CH 2,CF 3 CH = CHCl及其混合物的至少一种氢氯三氟丙烯产物的方法。

    Sulfonation, sulfation, and sulfamation

    公开(公告)号:US06462215B1

    公开(公告)日:2002-10-08

    申请号:US10067643

    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.

    Sulfur trioxide delivery system
    6.
    发明授权
    Sulfur trioxide delivery system 失效
    三氧化硫输送系统

    公开(公告)号:US06773490B2

    公开(公告)日:2004-08-10

    申请号:US09848896

    申请日:2001-05-04

    Abstract: A process for reversible sorption of sulfur trioxide onto a sorbent comprising a) contacting from about 15% to 100% sulfur trioxide with the sorbent under anhydrous conditions at a temperature of from about 35° C. to about 150° C. thereby sorbing the sulfur trioxide onto the sorbent, b) desorbing sulfur trioxide from the sorbent at a temperature of from about 150° C. to about 350° C. at about atmospheric pressure, or under a vacuum pressure, and c) recycling said sorbent by continuously repeating steps a) and b), wherein said sorbent consists essentially of silica or zeolite having a silicon to aluminum ratio in the ranges of from about 1 to about 4.4 or greater than about 5.1, and having a pore size of at least 0.5 nm is disclosed.

    Abstract translation: 一种用于将三氧化硫可逆吸附到吸附剂上的方法,其包括a)在无水条件下,在约35℃至约150℃的温度下,使约15%至100%的三氧化硫与吸附剂接触,从而吸附硫 三氧化硫在吸附剂上,b)在约大气压或真空压力下,在约150℃至约350℃的温度下从吸附剂解吸三氧化硫,以及c)通过连续重复步骤回收所述吸附剂 a)和b),其中所述吸附剂基本上由二氧化硅或沸石组成,其硅与铝的比例为约1至约4.4或大于约5.1,孔径至少为0.5nm。

    Packaging composition
    7.
    发明授权
    Packaging composition 失效
    包装成分

    公开(公告)号:US06689483B1

    公开(公告)日:2004-02-10

    申请号:US09319746

    申请日:2001-11-28

    Abstract: The present invention relates to an improved packaging composition comprising an ethylene copolymer selected from ethylene acid or ester copolymers such as ethylene vinyl acetate, ethylene/acrylic acid or methacrylic acid copolymers which optionally contain a third comonomer such as an alkyl acrylate and the corresponding ionomers of said copolymers which are blended with a hydrophilic zeolite to form a composition which removes residual acids or small esters from the polymeric or ionomeric composition containing such residual acids. The acids may be present as initial by products in the copolymerization process or may be degradation products. The use of these compositions is particularly important when the resins are formed into packages or other fabricated material which are exposed to acid sensitive material.

    Abstract translation: 本发明涉及一种改进的包装组合物,其包含选自乙烯酸或乙烯乙酸乙烯酯的酯共聚物,乙烯/丙烯酸或甲基丙烯酸共聚物的乙烯共聚物,其任选地含有第三共聚单体如丙烯酸烷基酯和相应的离聚物 所述共聚物与亲水性沸石混合以形成从含有这种残余酸的聚合物或离聚物组合物中除去残余酸或小酯的组合物。 酸可以作为共聚过程中的初始产物存在,或者可以是降解产物。 当这些组合物形成包装或暴露于酸敏感材料的其它制造材料时,使用这些组合物是特别重要的。

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