Title:
CARBON FIBER SIZING AGENT AND CARBON FIBER BUNDLE
Document Type and Number:
WIPO Patent Application WO/2021/125123
Kind Code:
A1
Abstract:
Provided is a carbon fiber sizing agent having excellent stability against acidic substances. More specifically, provided is a carbon fiber sizing agent that contains a polyamide aqueous dispersion liquid containing: an aqueous medium; a polyamide dispersed in the aqueous medium; and a polyalkylene polyamine alkylene oxide adduct having a melting point of 25°C or more.
Inventors:
MIZUHASHI TOSHINARI (JP)
MIZUKAWA JUNICHI (JP)
NAITO TAKESHI (JP)
SUZUKI YUKI (JP)
YOSHIDA MIKAKO (JP)
KIMURA HIROSHI (JP)
SHIGETA YUKINORI (JP)
MIZUKAWA JUNICHI (JP)
NAITO TAKESHI (JP)
SUZUKI YUKI (JP)
YOSHIDA MIKAKO (JP)
KIMURA HIROSHI (JP)
SHIGETA YUKINORI (JP)
Application Number:
PCT/JP2020/046468
Publication Date:
June 24, 2021
Filing Date:
December 14, 2020
Export Citation:
Assignee:
SUMITOMO SEIKA CHEMICALS (JP)
TEIJIN LTD (JP)
TEIJIN LTD (JP)
International Classes:
D06M15/59; D06M15/61; D06M101/40
Foreign References:
| JP2012041658A | 2012-03-01 | |||
| JP2008138296A | 2008-06-19 | |||
| JP2019210586A | 2019-12-12 | |||
| JP2002528661A | 2002-09-03 | |||
| JPS60167975A | 1985-08-31 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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