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CONDUCTIVE MATERIAL AND METHOD FOR PRODUCING SAME, AND BIOELECTRODE

外国特許コード F180009341
整理番号 S2017-1000-N0
掲載日 2018年3月13日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2017JP007280
国際公開番号 WO 2017146247
国際出願日 平成29年2月27日(2017.2.27)
国際公開日 平成29年8月31日(2017.8.31)
優先権データ
  • 特願2016-036496 (2016.2.28) JP
発明の名称 (英語) CONDUCTIVE MATERIAL AND METHOD FOR PRODUCING SAME, AND BIOELECTRODE
発明の概要(英語) [Problem] To provide a conductive material that has a conductive polymer adhered uniformly on the surface of a base material so as to achieve a lower resistance value.
[Solution] Specifically, provided is a conductive material which is obtained by adhering, as a conductive polymer, PEDOT-pTS to a nylon base material or a base material chiefly consisting of silk or a silk-derived component. Also provided by the present invention are: a method for producing said conductive material, the method comprising (1) an adhesion step for adhering a pTS solution containing an oxidative component and p-toluenesulfonate (pTS) to a base material formed of silk fiber or nylon fiber or a base material coated with sericin or fibroin, and (2) a polymerization step for further adhering 3,4-ethylenedioxythiophene (EDOT) to said base material, to which the oxidative component and pTS have been adhered in the adhesion step, so as to cause a polymerization reaction for generating poly(3,4-ethylene-dioxythiophene)-p-toluenesulfonate (PEDDOT-pTS) to occur in the base material to create a state in which PEDDOT-pTS is adhered to said base material; and a bioelectrode that includes the conductive material.
従来技術、競合技術の概要(英語) BACKGROUND ART
A fusion of the areas of engineering and medical engineering in the art as one although in recent years, fabrication of the alternative device of bodily functions and, for this purpose, first, the potential of the living body is essential to accurately measure. Of the biological measurement of the potential, for example, in measurement of a myoelectric potential, as well as the approach from the outside of the muscles, by measuring the potential from the inside, more precisely the action of the muscle is considered to be able to reproduce.
Thus, flexible and follow the movement of the muscle, the potential from the interior of the muscle can be used as an electrode for measuring as, biological material such as silk fibers (silk), a conductive polymer fibers of the conductive coating, has been developed by the present inventors (for example, Patent Document 1, Non-Patent Document 1 or 2 reference).
Non-Patent Document 1 and Patent Document 1 of the conductive fibers, PEDOT-PSS(Poly(3,4-ethylenedioxythiophene) -polystyrenesulfonate) is used as a conductive polymer, PEDOT-PSS solution containing a conductive substrate by immersing the fibers, the fibers of the substrate while being raised vertically from the conductive solution is traveling between the electrodes is energized, PEDOT-PSS substrate fiber adhering to fix the electro-chemical polymerization, by making use of a so-called electrolytic polymerization is produced. In addition, in Patent Document 2 of the electrically conductive fibers, PEDOT-PSS is used as a conductive polymer, PEDOT-PSS mixed with a binder resin and the resin composition to the substrate is attached to the fibers, drying, heating, hardening or by heating or the like has been produced by polymerization.
In addition, PEDOT-PSS is excellent in electrical conductivity than as a conductive polymer, PEDOT-pTS(poly(3,4-ethylene-dioxythiophene) -p-toluenesulfonate) has been known (for example, see Non-Patent Document 2).
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • TOHOKU UNIVERSITY
  • 発明者(英語)
  • TORIMITSU Keiichi
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DJ DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS KE KG KH KN KP KR KW KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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