Paint for forming a transparent conductive thin film and...

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 201/00 (2006.01) C03C 17/00 (2006.01) C09D 5/24 (2006.01) C09D 7/12 (2006.01) G02B 1/10 (2006.01) G02B 1/11 (2006.01) H01B 1/20 (2006.01) H01B 5/14 (2006.01) H01J 29/28 (2006.01)

Patent

CA 2358422

The present invention relates to a paint for forming a transparent conductive thin film characterized in comprising at least a conductive oxide powder comprising a primary granular diameter of no greater than 100 nm; an easily dispersible low-boiling point solvent of the aforementioned conductive oxide powder; a difficultly dispersible high-boiling point solvent of the aforementioned conductive oxide powder; and a binder. By using the paint for forming a transparent conductive thin film, it is possible to form a transparent conductive thin film having superior transparency and conductive properties onto the surface of a transparent material. The present invention also provides a paint for forming a transparent conductive thin film which is useful as a coating for transparent material surfaces that require the effects of blocking static electricity, interfering with electromagnetic waves, and the like, such as screen surfaces for display devices, surface covering materials of the same, window glass, show window glass, covering materials for instruments, materials for "clean room" floors and walls, packaging materials for semiconductors, and the like; and a transparent conductive thin film obtained by means of coating the aforementioned paint as a transparent thin film.

La présente invention concerne un matériau de revêtement convenant à la formation d'un film transparent conducteur. Il est caractérisé en ce qu'il est constitué d'une fine poudre en oxyde conducteur d'un diamètre particulaire n'excédant par 100 nm, d'un solvant à faible point d'ébullition dans lequel la fine poudre d'oxyde conducteur se disperse facilement, d'un solvant à point d'ébullition élevé dans lequel la fine poudre d'oxyde conducteur se disperse difficilement, et d'un liant. L'invention concerne également un film transparent conducteur dont la couche transparente conductrice est faite du matériau de revêtement de l'invention. Ce matériau de revêtement permet de former sur la surface d'un matériau transparent un film présentant d'excellentes qualités de transparence et de conductivité électrique. Ce matériau de revêtement convient particulièrement à la formation d'un film transparent conducteur protégeant la surface d'un article transparent nécessitant une protection antistatique et anti-électromagnétique, comme dans le cas de la surface d'affichage et du couvercle d'un afficheur, d'une vitre de fenêtre, du couvercle d'un instrument de mesure, du sol et/ou de la paroi d'une salle blanche, ou d'un boîtier à semi-conducteurs.

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