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  • 专利标题:   Composition used for forming electroconductive film used in portion of contact material e.g. switch, comprises elastomer, multilayer graphene having preset average length and average thickness, and electroconductive filler.
  • 专利号:   WO2021019923-A1, JP6845602-B1, JP2020551589-X, CN113795557-A, DE112020002761-T5
  • 发明人:   RYOSUKE S, AKIHITO T, TAKEUCHI A, SASAKI R
  • 专利权人:   SEKISUI POLYMATECH CO LTD, SEKISUI POLYMATECH CO LTD
  • 国际专利分类:   H01B001/04, H01B001/24, H01B013/00, H01H001/06, H01H011/04, H01B005/14, C09D011/03, C09D011/02, C09D011/52, H01H001/027
  • 专利详细信息:   WO2021019923-A1 04 Feb 2021 202115 Pages: 29 Japanese
  • 申请详细信息:   WO2021019923-A1 WOJP022918 10 Jun 2020
  • 优先权号:   JP140319, CN80033864

▎ 摘　　要

NOVELTY - An electroconductive composition comprises an elastomer, a multilayer graphene having an average length of 5-100 mu m and an average thickness of 5-100 nm, and electroconductive filler. USE - Composition is used for forming electroconductive film used in portion of contact material (all claimed) e.g. switch used in vehicle equipment. ADVANTAGE - The electroconductive composition has high uniformity, and provides contact portion with low electrical resistance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for the following: (1) electroconductive film; and (2) manufacture of the electroconductive composition, which involves mixing a liquid composition comprising the electroconductive filler and a solvent with the elastomer and the multilayer graphene.