National Taiwan University

Rui-Xuan Dong

Jiang-Jen Lin

Wei-Cheng Tsai

Wei-Li Lin

Yueh-Hsien Wu

Chao-Po Hsu

Hui-Fen Lin

A polymeric polymer containing poly(oxyethylene)-amine and its application to preparation of silver nanoparticles. The polymeric polymer is prepared from poly(oxyethylene)-amine and a linker, for example, poly(styrene-co-maleic anhydride) (SMA) or dianhydride. The polymeric polymer can chelate silver ions and reduce them to silver atoms which are dispersed as nanoparticles. No additional reducing agent is needed and more than 30% of solid content of the nanoparticles solution can be achieved without aggregation. The prepared silver nanoparticles are both hydrophilic and hydrophobic and therefore are compatible with polymers.

Polymeric polymer containing poly(oxyethylene)-amine and application thereof to preparing silver nanoparticle

The present invention provides an oil-dispersible composite of metallic nanoparticles and a method for synthesizing the same. The composite primarily includes metallic nanoparticles and an oily polymeric polymer such as polyurethane (PU). The oily polymeric polymer serves as a carrier of the metallic nanoparticles by chelating therewith so that the metallic nanoparticles are dispersed uniformly. In the method of the present invention, the metallic ions are first chelated by the oily polymeric polymer and then reduced into nanoparticles. The composite of the present invention is about 5 to 100 nm in particle size.

Oil-dispersible composite of metallic nanoparticle and method for synthesizing same

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Taipei, Taiwan

Rui-Xuan Dong