PROCESSES FOR PRODUCING 1,1-DICHLORO-2,3,3,3-TETRAFLUOROPROPENE AND 2,3,3,3-TETRAFLUOROPROPENE
    1.
    发明申请
    PROCESSES FOR PRODUCING 1,1-DICHLORO-2,3,3,3-TETRAFLUOROPROPENE AND 2,3,3,3-TETRAFLUOROPROPENE 有权
    生产1,1-二氯-2,3,3,3-四氢呋喃和2,3,3,3-四氢呋喃的方法

    公开(公告)号:US20110251442A1

    公开(公告)日:2011-10-13

    申请号:US13163809

    申请日:2011-06-20

    IPC分类号: C07C17/25

    CPC分类号: C07C17/23 C07C17/25 C07C21/18

    摘要: To provide a simple and economical process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene, which does not require purification of the raw material component obtained in the form of a mixture of isomers, and a process for producing 2,3,3,3-tetrafluoropropene from the product thereby obtained.A process for producing 1,1-dichloro-2,3,3,3-tetrafluoropropene, characterized by bringing a mixture of dichloropentafluoropropane isomers which contains 1,1-dichloro-2,2,3,3,3-pentafluoropropane into contact with an aqueous alkali solution in the presence of a phase transfer catalyst, and thereby selectively dehydrofluorinating only the 1,1-dichloro-2,2,3,3,3-pentafluoropropane in the mixture, and a process for producing 2,3,3,3-tetrafluoropropene from the 1,1-dichloro-2,3,3,3-tetrafluoropropene thereby obtained.

    摘要翻译: 为了提供简单经济的制备1,1-二氯-2,3,3,3-四氟丙烯的方法,其不需要纯化以异构体混合物形式获得的原料组分, 从得到的产物中加入2,3,3,3-四氟丙烯。 一种制备1,1-二氯-2,3,3,3-四氟丙烯的方法,其特征在于使含有1,1-二氯-2,2,3,3,3-五氟丙烷的二氯五氟丙烷异构体与 在相转移催化剂存在下的碱性水溶液,从而仅选择性地将该混合物中的1,1-二氯-2,2,3,3,3-五氟丙烷脱氟化氢,以及制备2,3,3 由1,1-二氯-2,3,3,3-四氟丙烯得到3-四氟丙烯。

    HYDROXY COMPOUND, PROCESS FOR ITS PRODUCTION, PREPOLYMER EMPLOYING THE HYDROXY COMPOUND, AND POLYURETHANE
    2.
    发明申请
    HYDROXY COMPOUND, PROCESS FOR ITS PRODUCTION, PREPOLYMER EMPLOYING THE HYDROXY COMPOUND, AND POLYURETHANE 审中-公开
    羟基化合物,其制备方法,使用羟基化合物的预聚物和聚氨酯

    公开(公告)号:US20100324230A1

    公开(公告)日:2010-12-23

    申请号:US12871989

    申请日:2010-08-31

    摘要: A hydroxy compound is provided whereby a polyurethane excellent in elongation property can be produced.A hydroxy compound represented by the formula B-Am, wherein A is a univalent group which has a terminal hydroxy group and a carbonate chain composed of an ether unit produced by ring-opening of a monoepoxide and a carbonyloxy unit [—OC(O)—] linked to each other, and B is a m-valent residue produced by removing all hydroxy groups from a polycarbonate having m hydroxy groups at the terminals, provided that —O—R— in the repeating unit [—OC(O)—O—R—] of the polycarbonate is an ether unit other than an ether unit produced by ring-opening of a monoepoxide.

    摘要翻译: 提供羟基化合物,由此可以制备伸长性优异的聚氨酯。 由式B-Am表示的羟基化合物,其中A是具有末端羟基的单价基团和由通过单环氧化物和羰基氧基单元[-OC(O))开环制备的醚单元组成的碳酸酯链, - ]彼此连接,B是通过从末端具有m个羟基的聚碳酸酯中除去所有羟基而产生的m价残基,条件是重复单元[-OC(O) - O-R-]是通过单环氧化物开环制备的醚单元以外的醚单元。

    POLYMER-DISPERSED POLYOL AND PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM
    3.
    发明申请
    POLYMER-DISPERSED POLYOL AND PROCESS FOR PRODUCING FLEXIBLE POLYURETHANE FOAM 审中-公开
    聚合物分散聚合物和生产柔性聚氨酯泡沫的方法

    公开(公告)号:US20120178840A1

    公开(公告)日:2012-07-12

    申请号:US13430172

    申请日:2012-03-26

    IPC分类号: C08L75/04 C08J9/04 C08K5/053

    摘要: To provide a polymer-dispersed polyol made by using materials derived from a natural fat/oil, which has a low viscosity, without lowering the biomass degree and without impairing the performance of a flexible polyurethane foam to be obtained. Further, to provide a process for producing a flexible polyurethane foam using the polymer-dispersed polyol. A polymer-dispersed polyol, comprising polymer particles dispersed in a matrix containing a polyol (a1) derived from a natural fat/oil and an epoxidized natural fat/oil (x). And, a process for producing a flexible polyurethane foam, which comprises reacting a polyol containing the above polymer-dispersed polyol and a polyisocyanate compound in the presence of a catalyst and a blowing agent.

    摘要翻译: 提供通过使用具有低粘度的衍生自天然脂肪/油的原料制造的聚合物分散多元醇,而不降低生物质量并且不损害所获得的柔性聚氨酯泡沫的性能。 此外,提供使用聚合物分散多元醇制造软质聚氨酯泡沫的方法。 一种聚合物分散的多元醇,其包含分散在含有天然脂肪/油衍生的多元醇(a1)和环氧化天然油脂(x)的基质中的聚合物颗粒。 另外,生产软质聚氨酯泡沫体的方法包括在催化剂和发泡剂的存在下,使含有上述聚合物分散多元醇的多元醇与多异氰酸酯化合物反应。