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POLYIMIDE, PRODUCTION METHOD OF POLYIMIDE, SEPARATION FILM, PRODUCTION METHOD OF SEPARATION FILM, AND GAS SEPARATION METHOD NEW

外国特許コード F200010075
整理番号 5939
掲載日 2020年5月15日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2018JP048438
国際公開番号 WO 2019138932
国際出願日 平成30年12月28日(2018.12.28)
国際公開日 令和元年7月18日(2019.7.18)
優先権データ
  • 特願2018-002756 (2018.1.11) JP
発明の名称 (英語) POLYIMIDE, PRODUCTION METHOD OF POLYIMIDE, SEPARATION FILM, PRODUCTION METHOD OF SEPARATION FILM, AND GAS SEPARATION METHOD NEW
発明の概要(英語) The present invention is intended to provide a polyimide having a new structure that can be produced at low cost. In order to achieve the aforementioned object, the present invention provides a polyimide or salt thereof, including: a structure represented by the following chemical formula (I): wherein in the chemical formula (I), Ar11, Ar12, and Ar20 each are an atomic group including at least one selected from the group consisting of an aromatic ring, a heteroaromatic ring, a non-aromatic ring, and a non-ring structure, and may further include a substituent, Sp is a spiro ring and may further include a substituent, and n is a positive integer and denotes a degree of polymerization.
従来技術、競合技術の概要(英語) Background Art
Polyimides are used in the fields of a gas separation film and the like (for example, Non-Patent Literature 1).
Citation List
Non-Patent Literature
Yampolskii et al, Macromolecules 2009, 42, 7881-7888.
TECHNICAL PROBLEM
Conventional polyimides, however, have a problem of high cost in production because of a number of synthesis steps and high cost of raw materials, and the like, for example.
Hence, the present invention is intended to provide a polyimide having a new structure that can be produced at low cost.
  • 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
  • KYOTO UNIVERSITY
  • 発明者(英語)
  • SIVANIAH, Easan
  • SHRESTHA, Binod Babu
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 JO 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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