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    • 55. 发明授权
    • Water-based silicone dispersion containing low level of silicone oils
    • 含有低水平硅油的水性硅氧烷分散体
    • US08168578B2
    • 2012-05-01
    • US11779208
    • 2007-07-17
    • Ashot K. Serobian
    • Ashot K. Serobian
    • C11D9/36C11D3/37C11D3/43
    • C11D3/3734C09G1/16C11D3/373C11D3/3738C11D17/0013D06M15/643D06M23/04D06M23/06
    • A water-based composition for enhancing shine or gloss in an elastomeric surface is in the form of a stable aqueous dispersion having a pH of from about 6 to about 7 and containing by weight: (a) less than 10% of at least one polydiorganosiloxane fluid; (b) from about 0.02% to about 2.0% of an alkali-swellable acrylic homopolymer or copolymer crosslinked with a polyalkenyl polyether; and (c) water. In one embodiment, the composition contains less than 1% by weight of a wetting agent and has no additional surfactants, hydrotropes and emulsifying agents. The composition can be used to enhance shine or gloss in elastomeric surfaces such as rubber or vinyl, preferably automotive tires, by applying an effective amount of the composition to the surface and distributing the composition with an application implement. The composition contains less organopolysiloxane than commercial formulations but exhibits gloss-enhancing performance that is comparable or even higher than that exhibited by commercial compositions.
    • 用于增强弹性体表面中的光泽或光泽度的水性组合物为稳定的水分散体的形式,其pH为约6至约7,并且包含:(a)少于10%的至少一种聚二有机硅氧烷 流体; (b)约0.02%至约2.0%的与聚链烯基聚醚交联的碱溶胀性丙烯酸均聚物或共聚物; 和(c)水。 在一个实施方案中,组合物含有小于1重量%的润湿剂,并且不含其它表面活性剂,水溶助长剂和乳化剂。 组合物可用于通过将有效量的组合物施用于表面并用施用工具分配组合物来增强弹性体表面如橡胶或乙烯基,优选汽车轮胎中的光泽或光泽。 组合物比商业制剂含有较少的有机聚硅氧烷,但表现出与可商购组合物相比甚至更高的光泽增强性能。