Importance

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Abstract

The present invention provides a process for producing a porous sintered metal, in which the pore diameter distribution of porous sintered metal can be easily controlled. The present invention also provides a process including: forming a molding containing a metal powder, a pore forming material, and a binder resin: heating the molding at the decomposition temperature of the pore forming material to thereby effect thermal decomposition thereof: and then sintering the molding at a sintering temperature higher than the decomposition temperature, wherein as the pore forming material, there is used particles of polyhydroxyalkanoate produced in microbial cells. The above molding may be formed by coating or printing onto a base material, a metal powder dispersion containing a metal powder, a pore forming material, a binder resin, and a solvent so as to form a coated material or printed material, and then detaching the base material from the coated material or printed material.

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First Claim