Metal coated nano fibres

Details Metal coated nano fibres Metal coated nano fibres

2011-05-31

2011-05-31

Meeks, Timothy H (Department: 1715)

Coating processes

With pretreatment of the base

Organic base

C428S389000, C264S010000

Reexamination Certificate

active

07951425

ABSTRACT:
The present invention relates to a process for the metal coating of nano-fibers by electrospinning, to the metal coated nano-fibers obtained by this process and to the use of said metal coated nano-fibers. The process is characterized in that a polymer nano-fiber with functional groups providing the binding ability to a reducing reagent is prepared by electrospinning at ambient conditions. Then this is contacted with a reducing agent, thereby opening the epoxy ring on the surface of polymer nano-fiber and replacing with the reducing agent and the reducing agent modified film is reacted with metal solution in alkaline media. Finally the electrospun mat is treated with water to open the epoxy rings in the structure and crosslinking the chains to provide integrity.

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Drew et al., Nano Letters, vol. 3, No. 2, pp. 143-147, Jan. 17, 2003.
Yang Q B et al: “Preparation and Characterization . . . Electrospinning”; Synthetic Metals, No. 137; Apr. 4, 2003, pp. 973-974; XP002279192.
Drew C et al: “Metal Oxide-Coated Polymer Nanofibers”; Nano Letters; vol. 3, No. 2, Jan. 17, 2003; pp. 143-147; XP002279193.
Mironov A V et al: “Nanofibres Based on Associating . . . Electrospinning”; Nov. 24, 2001; Safin 2001; Euroconference on Self-Assembled Fibrillar Netowrks—Book of Abstracts; p. 83, Autrans, France, XP002279194.

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