METAL NANOPARTICLE-SULFONATED POLYESTER COMPOSITE AND ENVIRONMENTALLY-FRIENDLY METHOD OF MAKING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a composite comprising silver nanoparticles dispersed throughout a sulfonated polyester resin.SOLUTION: A method includes: heating a sulfonated polyester resin in a solvent containing no organic substance; adding a silver (I) ion solution to the heated resin in water to form a mixture; and heating the mixture to perform the reduction of a silver (I) ion to silver (0) in the absence of an external reducing agent. A silver nanoparticle-dispersed composite includes a sulfonated polyester matrix and a plurality of silver nanoparticles dispersed throughout the matrix. The composite is free of a trace amount of residual by-products from the external reducing agent.SELECTED DRAWING: None