Process for preparing a metal styrene polymer composite...

Details Process for preparing a metal styrene polymer composite... Process for preparing a metal styrene polymer composite...

2006-08-02

2010-02-16

Cleveland, Michael (Department: 1792)

Coating processes

Particles, flakes, or granules coated or encapsulated

C427S222000

Reexamination Certificate

active

07662434

ABSTRACT:
A process for preparing a metal styrene polymer composite having nano metallic particles deposited thereon is disclosed, which includes a) undergoing free radical polymerization of styrene and an optional co-monomer in the presence of a persulfate initiator and a chain transfer agent; and b) contacting the resulting styrene oligomer or copolymer of styrene and the co-monomer from step a) with an aqueous solution containing a noble metal ion dissolved therein, so that the noble metal ion is reduced to element form particles and deposit on the styrene oligomer or copolymer of styrene and the co-monomer by sulfates on the oligomer or copolymer in the absence of a reducing agent.

REFERENCES:
patent: 5859112 (1999-01-01), Overbeek et al.
patent: 6787233 (2004-09-01), Molteberg et al.
patent: 7282531 (2007-10-01), Miyai et al.
patent: 2006/0228550 (2006-10-01), Ou et al.

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