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Electroless deposition of metal on 3D-printed polymeric structures

United States Patent

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December 3, 2019
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A process for metallizing a three-dimensional-printed polymeric structure includes soaking the three-dimensional-printed polymeric structure in a metal salt solution; transferring the three-dimensional polymeric structure to a solution comprising a first reducing agent; soaking the three-dimensional polymeric structure in a metal plating bath, the metal plating bath comprising a coordinating agent, a palladium or platinum salt, a pH buffer component, and a second reducing agent, to form a metal plated polymeric structure. A metal plated porous structure and an apparatus for improving metallization are also disclosed.
August 8, 2017
C23C 18/31 (20060101); C23C 18/16 (20060101); B33Y 10/00 (20150101); B33Y 80/00 (20150101);
STATEMENT OF GOVERNMENTAL INTEREST This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The U.S. Government has certain rights in this invention.