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    • 6. 发明授权
    • Direct passivation of metal powder
    • 直接钝化金属粉末
    • US07753989B2
    • 2010-07-13
    • US11644504
    • 2006-12-22
    • William ErnstLance Jacobsen
    • William ErnstLance Jacobsen
    • B22F9/28
    • B22F9/28C22B34/1272
    • A method of producing passivated Ti or Ti alloy particles with oxygen concentrations of less than about 900 parts per million (ppm), which includes introducing a halide vapor of Ti or the metal constituents of the alloy at sonic velocity or greater into a stream of liquid alkali or liquid alkaline earth metal or mixtures thereof forming a reaction zone in which the halide is reduced by the liquid metal present in sufficient excess of stoichiometric such that Ti or Ti alloy powder from the reduction of the halide by the liquid metal is friable. After filtration and distillation excess liquid metal is removed from the Ti or Ti alloy powder that is then maintained at elevated temperature for a time sufficient to grow the particles to average diameters calculated from BET surface area measurement greater than about one micron. After cooling the Ti or Ti alloy powder to temperature of about 80° C. or less, the cooled Ti or Ti alloy powder is contacted with air and/or water to passivate the particles to produce friable metal powder and to remove other reaction products. A system for accomplishing the method is also shown.
    • 生产氧浓度小于约百万分之(ppm)的钝化Ti或Ti合金颗粒的方法,其包括将Ti的卤化物蒸气或合金的金属成分以超声速度或更大的速度引入到液流中 碱金属或液体碱土金属或其混合物形成反应区,其中卤化物被存在的液体金属以足够的过量的化学计量存在而减少,使得由液态金属还原卤化物的Ti或Ti合金粉末是易碎的。 在过滤和蒸馏过滤和蒸馏之后,从Ti或Ti合金粉末中除去过量的液态金属,然后将其保持在升高的温度下足以将颗粒生长至由大于约1微米的BET表面积测量计算出的平均直径的时间。 在将Ti或Ti合金粉末冷却至约80℃或更低的温度之后,将冷却的Ti或Ti合金粉末与空气和/或水接触以钝化颗粒以产生脆性金属粉末并除去其它反应产物。 还示出了用于完成该方法的系统。
    • 9. 发明申请
    • Direct passivation of metal powder
    • 直接钝化金属粉末
    • US20080152533A1
    • 2008-06-26
    • US11644504
    • 2006-12-22
    • William ErnstLance Jacobsen
    • William ErnstLance Jacobsen
    • C22C14/00B22F9/06
    • B22F9/28C22B34/1272
    • A method of producing passivated Ti or Ti alloy particles with oxygen concentrations of less than about 900 parts per million (ppm), which includes introducing a halide vapor of Ti or the metal constituents of the alloy at sonic velocity or greater into a stream of liquid alkali or liquid alkaline earth metal or mixtures thereof forming a reaction zone in which the halide is reduced by the liquid metal present in sufficient excess of stoichiometric such that Ti or Ti alloy powder from the reduction of the halide by the liquid metal is friable. After filtration and distillation excess liquid metal is removed from the Ti or Ti alloy powder that is then maintained at elevated temperature for a time sufficient to grow the particles to average diameters calculated from BET surface area measurement greater than about one micron. After cooling the Ti or Ti alloy powder to temperature of about 80° C. or less, the cooled Ti or Ti alloy powder is contacted with air and/or water to passivate the particles to produce friable metal powder and to remove other reaction products. A system for accomplishing the method is also shown.
    • 生产氧浓度小于约百万分之(ppm)的钝化Ti或Ti合金颗粒的方法,其包括将Ti的卤化物蒸气或合金的金属成分以超声速度或更大的速度引入到液流中 碱金属或液体碱土金属或其混合物形成反应区,其中卤化物被存在的液体金属以足够的过量的化学计量存在而减少,使得由液态金属还原卤化物的Ti或Ti合金粉末是易碎的。 在过滤和蒸馏过滤和蒸馏之后,从Ti或Ti合金粉末中除去过量的液态金属,然后将其保持在升高的温度下足以将颗粒生长至由大于约1微米的BET表面积测量计算出的平均直径的时间。 在将Ti或Ti合金粉末冷却至约80℃或更低的温度之后,将冷却的Ti或Ti合金粉末与空气和/或水接触以钝化颗粒以产生脆性金属粉末并除去其它反应产物。 还示出了用于完成该方法的系统。
    • 10. 发明申请
    • Two-step coating removal process
    • 两步涂层去除工艺
    • US20070049510A1
    • 2007-03-01
    • US11510180
    • 2006-08-24
    • Gary FujiiWilliam Ernst
    • Gary FujiiWilliam Ernst
    • C09D9/00
    • C09D9/00
    • Paint stripping formulations and a two-step paint removal process is provided. The formulation and process provides an efficient method of removing paints from different surfaces. More specifically, a two-step coating or paint removal process that consists of the application of a stripping formulation that separates the coating from the surface that it is bonded to and then applying a liquid-to-solid matrix material that, upon drying, resulting in a solid matrix that binds to the stripped coating thus facilitating removal by simple physical methods such as peeling of the solid matrix is provided. Additionally, the present invention provides preferred compositions of the coating removal step of the two-step process.
    • 提供涂料剥离制剂和两步除漆方法。 配方和工艺提供了从不同表面除去油漆的有效方法。 更具体地说,一种两步式涂料或涂料去除方法,其包括将剥离制剂从表面分离出来,该剥离制剂将其与粘合剂分离,然后施加液体 - 固体基质材料,其在干燥后得到 在固体基质中结合剥离的涂层,从而便于通过简单的物理方法(例如固体基质的剥离)去除。 另外,本发明提供了两步法涂层去除步骤的优选组合物。