Coating solution for forming transparent conductive tin...

C - Chemistry – Metallurgy – 09 – D

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C09D 1/00 (2006.01) C01G 19/02 (2006.01) C03C 17/25 (2006.01) C09D 5/24 (2006.01) G02F 1/1343 (2006.01) H01B 5/14 (2006.01) H01B 13/00 (2006.01)

Patent

CA 2360442

A coating solution for forming a transparent and conductive film containing tin oxides as main components, characterized in that the coating solution is prepared by dissolving a water-soluble polymer having a polar group into a solution containing stannic acid as a main component in the presence of at least one compound selected from the group consisting of ammonia and a water- soluble amine; a method for preparing a transparent and conductive tin oxide film; and a transparent and conductive tin oxide film. The coating solution can be used for preparing, by a coating method, a tin oxide film having toughness and excellent conductivity and transparency by the use of an inexpensive law material such as a tin oxide or a tin chloride.

Cette solution d'enduction, permettant de former un film, transparent et conducteur, contenant des oxydes d'étain comme composants principaux, se caractérise par le fait qu'elle est préparée par dissolution d'un polymère hydrosoluble, possédant un groupe polaire, dans une solution contenant de l'acide stannique comme composant principal, en présence d'au moins un composé choisi dans le groupe constitué par de l'ammoniac et une amine hydrosoluble. L'invention concerne également un procédé de production de film transparent et conducteur à base d'oxyde d'étain ainsi que le film lui-même. On peut utiliser cette solution d'enduction pour préparer, au moyen d'un procédé d'enduction, un film à base d'oxyde d'étain, résistant et faisant montre de remarquable propriétés de conductivité et de transparence et ce, en utilisant une matière première peu coûteuse telle que l'oxyde ou le chlorure d'étain.

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