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    • 83. 发明授权
    • Method for forming a metal deposit on the surface of a substrate, and uses thereof
    • 在基板表面形成金属沉积物的方法及其用途
    • US09284646B2
    • 2016-03-15
    • US13807362
    • 2011-07-04
    • Jean-Francois SilvainCecile VincentJean-Marc Heintz
    • Jean-Francois SilvainCecile VincentJean-Marc Heintz
    • C23C22/73C23C26/00
    • C23C22/73B22F2998/00C23C26/00B22F2302/406B22F2302/403B22F2302/40B22F2302/105B22F2302/253B22F2303/30B22F2301/10B22F1/025
    • The present invention relates to a method for forming a metal deposit on the surface of a solid substrate, said method including at least: 1) a step of functionalizing the surface of the substrate by means of —O—P, —O—P—O, —O—S, or —O—S—O groupings; 2) a step of mixing the substrate with metal or metal-oxide particles sublimated at a low temperature; 3) a step of heat-treating the substrate obtained above after step 2), it being understood that said step 3) is only carried out when metal is utilized in the above step 2), said step 3) also being carried out at a temperature that is lower than the temperature for melting the metal in question and further being carried out in the air so as to oxidize said metal; and 4) a step of reducing the metal oxide obtained in step 3) or the metal oxide utilized in step 2) in a reducing atmosphere at a temperature of 0.1 Tf to a temperature that is lower than Tf, Tf being the melting temperature expressed in Kelvin, reducing said metal oxide and concentration sublimating the metal and/or metal oxide, and then bending the metal atoms to the phosphorus atoms of the —O—P groupings, to the sulfur atoms of the O—S groupings, or to the free oxygen atom of the O—P—O or —O—S—O groupings connected to the substrate. The invention also relates to the uses of the method, in particular for preparing reinforcements for powder metallurgy, for casting, or for improving the thermal conductivity of materials.
    • 本发明涉及一种在固体基材表面形成金属沉积物的方法,所述方法至少包括:1)通过-O-P,-O-P- O,-O-S或-O-S-O基团; 2)将基材与在低温升华的金属或金属氧化物粒子混合的步骤; 3)在步骤2)之后对以上获得的基材进行热处理的步骤),应理解所述步骤3)仅在上述步骤2)中使用金属时进行,所述步骤3)也在 温度低于用于熔化所述金属的温度,并且进一步在空气中进行以使所述金属氧化; 和4)在还原气氛中在0.1Tf的温度下还原步骤3)中得到的金属氧化物或步骤2)中使用的金属氧化物的步骤至低于Tf的温度,Tf表示为熔融温度 开尔文,还原所述金属氧化物并使金属和/或金属氧化物升华,然后将金属原子弯曲成-O-P基团的磷原子,将O-S基团的硫原子或自由基 与基底连接的O-P-O或-O-S-O基团的氧原子。 本发明还涉及该方法的用途,特别是用于制备用于粉末冶金,铸造或改进材料的导热性的增强材料。
    • 85. 发明申请
    • METHOD FOR FORMING A METAL DEPOSIT ON THE SURFACE OF A SUBSTRATE, AND USES THEREOF
    • 在基材表面形成金属沉积的方法及其用途
    • US20130209679A1
    • 2013-08-15
    • US13807362
    • 2011-07-04
    • Jean-Francois SilvainCecile VincentJean-Marc Heintz
    • Jean-Francois SilvainCecile VincentJean-Marc Heintz
    • C23C22/73
    • C23C22/73B22F2998/00C23C26/00B22F2302/406B22F2302/403B22F2302/40B22F2302/105B22F2302/253B22F2303/30B22F2301/10B22F1/025
    • The present invention relates to a method for forming a metal deposit on the surface of a solid substrate, said method including at least: 1) a step of functionalizing the surface of the substrate by means of —O—P, —O—P—O, —O—S, or —O—S—O groupings; 2) a step of mixing the substrate with metal or metal-oxide particles sublimated at a low temperature; 3) a step of heat-treating the substrate obtained above after step 2), it being understood that said step 3) is only carried out when metal is utilized in the above step 2), said step 3) also being carried out at a temperature that is lower than the temperature for melting the metal in question and further being carried out in the air so as to oxidize said metal; and 4) a step of reducing the metal oxide obtained in step 3) or the metal oxide utilized in step 2) in a reducing atmosphere at a temperature of 0.1 Tf to a temperature that is lower than Tf, Tf being the melting temperature expressed in Kelvin, reducing said metal oxide and concentration sublimating the metal and/or metal oxide, and then bending the metal atoms to the phosphorus atoms of the —O—P groupings, to the sulfur atoms of the O—S groupings, or to the free oxygen atom of the O—P—O or —O—S—O groupings connected to the substrate. The invention also relates to the uses of the method, in particular for preparing reinforcements for powder metallurgy, for casting, or for improving the thermal conductivity of materials.
    • 本发明涉及在固体基材表面上形成金属沉积物的方法,所述方法至少包括:1)通过-OP,-OPO,-OS或 -OSO分组 2)将基材与在低温升华的金属或金属氧化物粒子混合的步骤; 3)在步骤2)之后对以上获得的基材进行热处理的步骤),应理解所述步骤3)仅在上述步骤2)中使用金属时进行,所述步骤3)也在 温度低于用于熔化所述金属的温度,并且进一步在空气中进行以使所述金属氧化; 和4)在还原气氛中在0.1Tf的温度下还原步骤3)中得到的金属氧化物或步骤2)中使用的金属氧化物的步骤至低于Tf的温度,Tf表示为熔融温度 开尔文,还原所述金属氧化物并使金属和/或金属氧化物升华,然后将金属原子弯曲成-OP基团的磷原子,连接到OS基团的硫原子,或者将 OPO或-OSO分组连接到基板。 本发明还涉及该方法的用途,特别是用于制备用于粉末冶金,铸造或改进材料的导热性的增强材料。