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    • 10. 发明授权
    • Olefin waxes having improved hardness or viscosity
    • 具有改善的硬度或粘度的烯烃蜡
    • US07828957B2
    • 2010-11-09
    • US12430586
    • 2009-04-27
    • Hu YangEduardo J BaraltWillie J IsomRonald G Abbott
    • Hu YangEduardo J BaraltWillie J IsomRonald G Abbott
    • C07C27/12C08L91/06C09D191/06
    • C08L91/06C08F8/06C08F10/14
    • In one embodiment, we disclose hardened olefin waxes and processes for preparing them. In another embodiment, we disclose oxidized olefin waxes having low viscosity and processes for preparing them. The waxes are suitable for use as polishes, coatings, or inks, among other uses. For example, a hardened olefin wax composition produced from a feedstock olefin wax composition by contacting the feedstock olefin wax composition with an oxygen-containing gas at a temperature greater than a melting point of the feedstock olefin wax composition, the hardened olefin wax composition having: a needle penetration value at 25° C. at least 5 percent less than a needle penetration value at 25° C. of the feedstock olefin wax composition; a a kinematic viscosity at 100° C. of up to about 200% greater than the kinematic viscosity of the feedstock olefin wax composition; and a saponification number less than 5 mg KOH/g hardened olefin wax composition.
    • 在一个实施方案中,我们公开了硬化烯烃蜡及其制备方法。 在另一个实施方案中,我们公开了具有低粘度的氧化烯烃蜡和其制备方法。 该蜡适合用作抛光剂,涂料或油墨以及其他用途。 例如,由原料烯烃蜡组合物制备的硬化烯烃蜡组合物通过在原料烯烃蜡组合物的熔点以上的温度下使原料烯烃蜡组合物与含氧气体接触,所述硬化的烯烃蜡组合物具有: 在25℃下的针穿透值比原料烯烃蜡组合物在25℃下的针穿透值小至少5%; 在100℃下的运动粘度高达原料烯烃蜡组合物的运动粘度高达约200%; 皂化值小于5mg KOH / g硬化烯烃蜡组合物。