Photopolymerization using copper ions

Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy

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526146, 526147, C08F 250

Patent

active

044154178

ABSTRACT:
Photopolymerization of monomers by visible light using a photoreducible dye, a reducing agent and a controlled level of copper ions allows for high molecular weight polymer formation. The molecular weight is found to be proportional to the copper ion concentration. At 10 to 1,000 ppb copper ion concentration, the molecular weight of the polymer is optimum.

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