METHOD FOR RECOVERING METAL POWDER FROM PLATINUM PASTE AND METHOD FOR REGENERATING PLATINUM PASTE
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United States of America Patent
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Mar 12, 2015
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Mar 20, 2014
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Abstract
The present invention relates to a technique for recovering and recycling a platinum paste. The present invention provides a method for recovering a metal powder from a platinum paste formed by mixing a solid component composed of a metal powder including at least a platinum powder or a platinum alloy powder and an organic component including at least an organic solvent, the method including removing the organic component by heating the platinum paste at a recovery temperature set in a temperature range of 300° C. or higher and 500° C. or lower. The recovered metal powder can be recycled into a platinum paste equivalent to a new product by mixing the metal powder with a solvent etc.
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