STRETCHABLE CONDUCTIVE FILM BASED ON SILVER NANOPARTICLES Russian patent published in 2019 - IPC H01B1/02 H01B13/00 B82Y30/00 B05D5/12 

Abstract RU 2678048 C2

FIELD: electricity.

SUBSTANCE: group of inventions relates to products containing a substrate and a stretchable conductive film. Stretchable conductive film includes a plurality of annealed nanoparticles of conducting metal, in particular silver, disposed on the substrate. Conductive film is produced by dispersing a plurality of nanoparticles of conducting metal, in particular silver, with organoamine in an organic solvent comprising hexadecane, producing an ink composition with nanoparticles of conductive metal and applying a layer of the ink composition with nanoparticles to the surface of a stretchable substrate, dissolving at least a portion of the substrate and annealing the layer. Wherein the stretchable substrate is a polyester modified polyurethane.

EFFECT: providing a stretchable conductive film having a first conductivity associated with an as-annealed shape of the conductive film, and a second conductivity upon being stretched in at least one direction beyond the as-annealed shape, wherein, the second conductivity is more than the first conductivity; where, the silver film has excellent adhesion on the substrate – no or little damage after rubbing test.

18 cl, 5 dwg, 2 ex

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RU 2 678 048 C2

Authors

Lyu Pin

U Ilyan

Gardner Sandra Dzh.

Dates

2019-01-22Published

2015-04-06Filed