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    • 5. 发明授权
    • Electrodeposition of sulfoxonium stabilized colloids
    • 氧化铌稳定胶体的电沉积
    • US3994792A
    • 1976-11-30
    • US554382
    • 1975-03-03
    • Earl H. WagenerDale S. GibbsRitchie A. Wessling
    • Earl H. WagenerDale S. GibbsRitchie A. Wessling
    • C09D5/44C25D13/06
    • C09D5/4407C09D5/4403
    • 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 sulfoxonium 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 an adherent coating of 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氧化锍阳离子提供,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,两个电极都涂覆有聚合物的粘附涂层。
    • 6. 发明授权
    • High vinylidene chloride content interpolymer coating resins and method
of preparation
    • 高偏二氯乙烯含量互聚物涂料树脂及其制备方法
    • US4451632A
    • 1984-05-29
    • US395442
    • 1982-07-06
    • Dale S. GibbsWarren L. Treptow
    • Dale S. GibbsWarren L. Treptow
    • C08F214/08C08F14/08
    • C08F214/08
    • A process for preparing, in aqueous emulsion, controlled interpolymer compositions. The interpolymer compositions have polymerized therein from about 86 to 92 mole percent, vinylidene chloride, from about 14 to 8 mole percent of a comonomer mixture of methyl methacrylate and a comonomer selected from the group consisting of acrylonitrile, methacrylic acid and methacrylonitrile in a ratio of the comonomer to methyl methacrylate of from about 0.5:1 to 2:1, and from about 0.5 to 1.0 weight percent itaconic acid, based on weight of vinylidene chloride plus comonomer mixture. The interpolymers are prepared in a three step process. The third step, or Step III, wherein monomer feeding is step-wise reduced for a portion of the step and a polymerization initiator is added at generally the same constant rate as the rate of addition in Steps I and II, generally reduces the amount of unreacted mixed monomers remaining after monomer addition is completed. As such, the detrimental results produced when a large amount of polymer composition variation in the direction of high vinylidene chloride fractions are markedly reduced.
    • 在水乳液中制备控制互聚物组合物的方法。 互聚物组合物在其中聚合约86至92摩尔%偏二氯乙烯,约14至8摩尔%的甲基丙烯酸甲酯和选自丙烯腈,甲基丙烯酸和甲基丙烯腈的共聚单体混合物的比例为 基于偏二氯乙烯加共聚单体混合物的重量,共聚单体为甲基丙烯酸甲酯的约0.5:1至2:1,以及约0.5至1.0重量%的衣康酸。 互聚物以三步法制备。 第三步骤或步骤III,其中步骤中单体进料逐步还原,并且聚合引发剂以与步骤I和II中的加入速率基本相同的恒定速率加入,通常减少 单体添加后剩余的未反应的混合单体完成。 因此,当高偏二氯乙烯部分的方向上的大量聚合物组合物变化显着降低时产生的有害结果。
    • 7. 发明授权
    • Vinylidene chloride polymer microgels
    • 偏二氯乙烯聚合物微凝胶
    • US4296013A
    • 1981-10-20
    • US103020
    • 1979-12-13
    • Dale S. Gibbs
    • Dale S. Gibbs
    • C08F214/08C09D127/08C08L27/08
    • C09D127/08C08F214/08
    • Discrete, crosslinked vinylidene chloride polymer microgels, having a latex particle size of less than 1 micron and a gel content of about 1 to 99 percent, such microgels being obtained by emulsion polymerizing (a) about 50 to about 95 parts by weight of vinylidene chloride, (b) about 5 to about 50 parts by weight of a copolymerizable ethylenically unsaturated comonomer, and (c) about 0.1 to about 10 parts by weight of a copolymerizable crosslinking polyfunctional comonomer. Such microgels have been found to have wide applicability as additives for synthetic foams and fibers, and for the preparation of improved coatings, films, and redispersible latexes.
    • 离散的交联偏二氯乙烯聚合物微凝胶,其胶乳粒度小于1微米,凝胶含量为约1至99%,这种微凝胶通过乳液聚合(a)约50至约95重量份的偏二氯乙烯 ,(b)约5至约50重量份的可共聚烯属不饱和共聚单体,和(c)约0.1至约10重量份可共聚的交联多官能共聚单体。 已经发现这种微凝胶作为合成泡沫和纤维的添加剂具有广泛的适用性,并且用于制备改进的涂料,膜和可再分散的胶乳。