METHOD FOR PREPARING PLASTIC PARTICLES COATED WITH METAL
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United States of America Patent
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Issued Date -
Apr 19, 2012
app pub date -
Oct 18, 2010
filing date -
Oct 18, 2010
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a method for preparing plastic particles coated with metal, which comprises the following steps. First, mix a plurality of plastic particles with a tin/palladium solution to form a first mixed liquid. Alternatively, first mix the plurality of plastic particles with a stannous chloride/hydrochloric acid solution. Then mix the plurality of plastic particles adsorbing the plurality of stannous ions with a palladium chloride/hydrochloric acid solution and form the first mixed liquid. Next, microwave the first mixed liquid so that the tin/palladium colloidal particles coat the plastic particles and thus forming first metal particles. Afterwards, mix the first metal particles with an electroless nickel solution and form a second mixed liquid. Metal nickel then coats the first metal particles and forming a plurality of second metal particles. Use microwave to activate the plurality of tin/palladium colloidal particles adsorbed on the surfaces of the plastic particles, and hence increasing adsorption of the plated metal layer on the surfaces of the plastic particle. Thereby, roughness and peeling-off of the plated metal layer can be reduced.
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