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    • 1. 发明授权
    • Electrodeposition of isothiouronium stabilized lyophobic colloids
    • 异硫脲稳定的疏液胶体的电沉积
    • US3882009A
    • 1975-05-06
    • US39270073
    • 1973-08-29
    • DOW CHEMICAL CO
    • WAGENER EARL HWESSLING RITCHIE AGIBBS DALE S
    • C09D5/44B01K5/02
    • C09D5/4407
    • A method for electrodeposition of an organic material on an electroconductive surface comprising placing the electroconductive surface to be coated in contact with an aqueous dispersion containing a water-insoluble, essentially electrically non-conductive, film-forming, organic polymer as cation-active particles wherein a substantial portion of the cation-activity is provided by isothiouronium cations and passing an electric current from an electrode through the latex to the electroconductive surface in such a direction that the electroconductive surface is negatively charged, i.e., becomes a cathode in an electrophoretic cell. By use of alternating current both electrodes become coated with the polymer.
    • 一种用于在导电表面上电沉积有机材料的方法,包括将待涂覆的导电表面放置在与包含不溶于水的基本上不导电的成膜有机聚合物的水性分散体接触,所述有机材料作为阳离子活性颗粒,其中 阳离子活性的很大一部分由异硫脲阳离子提供,并将电流从电极通过胶乳传递到导电表面,使得导电表面带负电,即在电泳池中成为阴极。 通过使用交流电,两个电极都被聚合物涂覆。
    • 9. 发明授权
    • Process for preparing substantially linear water-soluble or water-dispersible interpolymeric interfacially spreading polyelectrolytes
    • 制备基本上线性的水溶性或水分散性共聚物界面扩散聚电解质的方法
    • US3917574A
    • 1975-11-04
    • US35171473
    • 1973-04-16
    • DOW CHEMICAL CO
    • GIBBS DALE SSIMONS PAUL BVANDELL ROBERT DWESSLING RITCHIE A
    • C08F2/06C08F2/22C08F2/26C08F1/13C08F7/04C08F15/00
    • C08F2/06C08F2/26
    • A process for preparing a substantially linear water-soluble or water-dispersible interpolymeric interfacially spreading polyelectrolyte wherein 1. THE POLYELECTROLYTE IS COMPOSED OF A MIXTURE OF NONIONIC HYDROPHOBIC UNITS AND IONIC HYDROPHILIC UNITS WHEREIN THE NONIONIC HYDROPHOBIC UNITS ARE RANDOMLY DISTRIBUTED IN THE BACKBONE OF THE POLYELECTROLYTE AND 2. THE POLYELECTROLYTE WHEN INCORPORATED INTO A DISPERSION IS ADSORBED AT THE DISPERSE PHASE OF THE DISPERSION IN A SUBSTANTIALLY FLAT CONFIGURATION AND WHERE THE AREA OCCUPIED BY EACH IONIC HYDROPHILIC UNIT OF THE POLYELECTROLYTE AT THE DISPERSE PHASE SURFACE IS FROM ABOUT 60 TO 100 SQUARE Angstrom units per ionic hydrophilic unit, and wherein the polyelectrolyte has an adsorption constant equal to or greater than 1 at the point where the disperse phase is saturated with the polyelectrolyte, the process comprising: the homogeneous continuous monomer addition polymerization of at least one ionic hydrophilic monomer and at least one nonionic hydrophobic monomer in a polar mutual solvent therefore wherein the monomers are added to a polymerization reactor at a rate no greater than the rate of polymerization and in a ratio which is substantially equal to that desired in the resulting polymer phase.
    • 一种制备基本上线性的水溶性或水分散性共聚物界面扩散聚电解质的方法,其中1.聚电解质是由非离子性疏水单体和非离子性疏水单体组成的非离子疏水单体在聚电解质的背胶中随机分布 和2.当分散在分散体中的聚电解质在主要平面配置的分散相中被分散,并且分散相表面上的聚电解质的每个离子水解单元所占据的面积从约60到100平方厘米 单位每离子亲水单元,并且其中所述聚电解质在所述分散相被所述聚电解质饱和的点处具有等于或大于1的吸附常数,所述方法包括:至少一种离子亲水单体的均匀连续单体加成聚合 和至少一个不 在极性相互溶剂中的阴离子疏水单体,其中单体以不大于聚合速率的速率加入到聚合反应器中,并且其比例基本上等于所得聚合物相中所需的比例。
    • 10. 发明授权
    • Process for producing bisorganomercury compounds
    • 生产异烟肼化合物的方法
    • US3681419A
    • 1972-08-01
    • US3681419D
    • 1970-04-13
    • DOW CHEMICAL CO
    • SETTINERI WILLIAM JWESSLING RITCHIE A
    • C07F3/10C08F4/12C07F3/12
    • C07F3/106C08F4/12
    • Bisorganomercury compounds having the formula

      WHEREIN N IS AN INTEGER OF FROM 0 TO 5 AND X is an inert, substantially non-interfering substituent, are prepared by contacting an alkali metal amalgam with a sulfonium salt of the formula

      WHEREIN X and n are as defined above, R1 and R2 are alkyl groups or R1 joins with R2 to form a cycloaliphatic group, or the corresponding hydroxy-substituted alkyl or cycloaliphatic groups, and A- is an anion. The reaction is preferably conducted in an aqueous solution. The bisorganomercury compounds are useful as catalysts for free-radical-initiated polymerizations and as fungicides, insecticides, and the like.
    • 通过使碱金属汞齐与式WHEREIN X和n如上定义的锍盐接触来制备具有下式的双有机汞化合物:其中N为0至5的整数,X为惰性的,基本上不干扰的取代基 R1和R2是烷基或R1与R2连接以形成脂环族基团,或相应的羟基取代的烷基或脂环族基团,并且A( - )是阴离子。 反应优选在水溶液中进行。 双有机汞化合物可用作自由基引发聚合的催化剂和杀真菌剂,杀虫剂等。