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    VERFAHREN ZUR KATALYTISCHEN UMVINYLIERUNG VON CARBONSÄUREN
    4.
    发明公开
    VERFAHREN ZUR KATALYTISCHEN UMVINYLIERUNG VON CARBONSÄUREN 审中-公开
    VERFAHREN ZUR KATALYTISCHEN UMVINYLIERUNG VONCARBONSÄUREN

    公开(公告)号：EP3209633A1

    公开(公告)日：2017-08-30

    申请号：EP16745764.7

    申请日：2016-08-03

    申请人： Wacker Chemie AG

    发明人： SCHULTHEISS, Peter ,  HOELLEIN, Volker ,  PATSCH, Brigitte

    IPC分类号： C07C67/10 ,  C07C67/54 ,  C07C69/24

    CPC分类号： C07C67/10 ,  C07C51/09 ,  C07C67/54 ,  Y02P20/582 ,  C07C69/24 ,  C07C53/08 ,  C07C69/01

    摘要： The invention provides a process for transvinylation of a reactant carboxylic acid with a reactant vinyl ester to give a product vinyl ester and the corresponding acid of the reactant vinyl ester in the presence of one or more catalysts, in a reactor at a temperature of 100°C to 170°C and a pressure of 2 bar abs. to 15 bar abs., wherein the reactant vinyl ester, the reactant carboxylic acid and the catalyst are supplied to a reactor, and the transvinylation reaction is conducted, and, on completion of the transvinylation reaction, the product vinyl ester is separated from the reaction mixture by distillation, characterized in that the reaction mixture is decompressed in a decompression vessel, the gaseous phase obtained is then condensed and recycled into the reactor without further purification, and the liquid phase obtained is freed of reactant vinyl ester and corresponding acid with a first distillation, and the product vinyl ester is separated from the reaction mixture in a further distillation step.

    摘要翻译： 本发明提供了一种反应物羧酸与反应物乙烯基酯进行转乙酰基反应得到产物乙烯基酯和反应物乙烯基酯的相应酸在一种或多种催化剂存在下在反应器中在100° C至170℃，绝对压力为2巴。 其中反应物乙烯基酯，反应物羧酸和催化剂被提供到反应器中，并且进行转乙炔基化反应，并且在转乙基化反应完成时，产物乙烯基酯与反应物分离 其特征在于反应混合物在减压容器中减压，然后将所得气相冷凝并不经进一步纯化而再循环到反应器中，并将所得液相与反应物乙烯基酯和相应的酸以第一 蒸馏，并在另一蒸馏步骤中将产物乙烯酯从反应混合物中分离出来。

    AQUEOUS VINYL ACETATE ETHYLENE COPOLYMER DISPERSION FOR PAPER COATING
    7.
    发明公开
    AQUEOUS VINYL ACETATE ETHYLENE COPOLYMER DISPERSION FOR PAPER COATING 审中-公开
    乙酸乙烯酯 - 乙烯共聚物FÜRPAPIERBESCHICHTUNG

    公开(公告)号：EP3122935A1

    公开(公告)日：2017-02-01

    申请号：EP14887444.9

    申请日：2014-03-27

    申请人： Wacker Chemie AG

    发明人： CHOI, Yong Hae ,  KIM, Jong Bok ,  LEE, Woo Jae

    IPC分类号： D21H19/12

    CPC分类号： C09D131/04 ,  C08K3/346 ,  C08K2003/265 ,  C09D5/027 ,  D21H19/12 ,  D21H19/20 ,  D21H19/56

    摘要： The invention relates to a polymer dispersion for paper coating compositions obtainable by means of a radically initiated, aqueous emulsion polymerization of a) 60 to 97% by weight of vinyl acetate, b) 2 to 30% by weight of ethylene, c) 0.5 to 5% by weight of at least one ethylenically unsaturated silane monomer, d) 0.5 to 5% by weight of at least one ethylenically unsaturated carboxylic acid, based in each case on the total weight of the monomers used for the polymerization, and the data in % by weight summing in each case to 100% by weight, in the presence of one or more polymeric emulsifiers.

    摘要翻译： 本发明涉及一种用于纸涂层组合物的聚合物分散体，其可通过以下方式获得：a）60-97重量％的乙酸乙烯酯，b）2-30重量％的乙烯，c）0.5至 5重量％的至少一种烯键式不饱和硅烷单体，d）0.5至5重量％的至少一种烯属不饱和羧酸，基于每种情况下用于聚合的单体的总重量，以及数据 在一种或多种聚合物乳化剂的存在下，每种情况下的重量％相加至100重量％。

    CARPET COATING COMPOSITION
    8.
    发明公开
    CARPET COATING COMPOSITION 有权
    涂层组合物进行地毯

    公开(公告)号：EP2900699A1

    公开(公告)日：2015-08-05

    申请号：EP13770790.7

    申请日：2013-09-19

    申请人： Wacker Chemical Corporation

    发明人： SAGL, Dennis ,  MCCLURKEN, John ,  PANGRAZI, Ronald, Joseph

    IPC分类号： C08F2/20 ,  C08L23/08 ,  D06M15/333 ,  D06N7/00

    CPC分类号： C08F2/22 ,  D06N7/0073 ,  D06N2203/042 ,  D06N2203/045 ,  Y10T428/23986 ,  Y10T428/23993 ,  C08F218/08 ,  C08F210/02

    摘要： An aqueous carpet coating composition includes a particulate filler, a polymeric thickener and an aqueous dispersion of a copolymer that includes vinyl acetate units and ethylene units. The dispersion stabilization system includes a) 1.5 to 3 wt% of a combination of polyvinyl alcohols including a1) one or more partially hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 85 to 95 mol% and a Hoeppler viscosity of 10-33 mPa•s, and a2) one or more highly hydrolyzed polyvinyl alcohols with a degree of hydrolysis of 98 to 100 mol% and a Hoeppler viscosity of 10-33 mPa•s; and b) 1.5 to 3 wt% of an emulsifier component consisting of one or more nonionic emulsifiers and one or more anionic emulsifiers. The dispersion has a viscosity of ≤ 1500 mPa•s and the viscosity of the coating composition is 6000 to 7000 mPa•s.

    PAPER COATING COMPOSITIONS
    10.
    发明授权
    PAPER COATING COMPOSITIONS 有权
    纸涂料组合物

    公开(公告)号：EP2675854B1

    公开(公告)日：2014-07-30

    申请号：EP12705021.9

    申请日：2012-02-08

    申请人： Wacker Chemical Corporation

    发明人： DANIELS, Christian, Leonard ,  BOYLAN, John, Richard

    IPC分类号： C08K3/00 ,  D21H19/56 ,  D21H19/58 ,  D21H19/60 ,  D21H19/62 ,  C09D123/08 ,  C08L41/00

    CPC分类号： D21H19/56 ,  C08K3/013 ,  C08L41/00 ,  C09D123/0853 ,  D21H19/58 ,  D21H19/60 ,  D21H19/62 ,  Y10T428/31906

    摘要： A composition for coating paper includes at least one pigment selected from the group consisting of polymeric pigments, aluminosilicates, calcium carbonate, titanium dioxide, talc, barium sulfate, zinc oxide, aluminum trihydrate, amorphous silica and silicates; wherein the pigment is dispersed in an aqueous dispersion of a polymeric binder that is a copolymer of vinyl acetate, ethylene, at least one ethylenically unsaturated sulfonic acid or salt thereof and optionally one or more other monomers, wherein vinyl acetate units constitute in a range of 70-90 wt % of the polymeric binder and ethylene units constitute in a range of 10-30 wt % of the polymeric binder; and wherein the polymeric binder has a mean particle size in a range from 0.1 μm to 0.3 μm and the optional one or more other monomers do not include any N—(C1-4) alkylol (meth)acrylamide; and wherein the aqueous dispersion of the polymeric binder is free of alkylphenol ethoxylate surfactants and includes a nonionic surfactant component consisting of a polyethylene oxide/polypropylene oxide block copolymer and optionally one or more other nonionic surfactants, and optionally includes an anionic surfactant component consisting of one or more anionic surfactants.