Title:
CARBON FIBER BUNDLE WITH ADHERED SIZING AGENT
Document Type and Number:
WIPO Patent Application WO/2022/009796
Kind Code:
A1
Abstract:
A carbon fiber bundle with an adhered sizing agent, which comprises a carbon fiber bundle and a sizing agent adhered to the surface thereof, provides a carbon fiber bundle with elevated abrasion-resistance, and at the same time superior fibrillation. The carbon fiber bundle with an adhered sizing agent is characterized in that the sizing agent contains an epoxy compound, and in a measurement at 25°C, the intersection of the storage modulus and the loss modulus shows an angular frequency within a range of 1 x 10 5 – 1 x 109 rad/sec.
Inventors:
FUJIMOTO TAISUKE (JP)
ODA AKIMICHI (JP)
YOSHIKAWA HIDEKAZU (JP)
ODA AKIMICHI (JP)
YOSHIKAWA HIDEKAZU (JP)
Application Number:
PCT/JP2021/025136
Publication Date:
January 13, 2022
Filing Date:
July 02, 2021
Export Citation:
Assignee:
TEIJIN LTD (JP)
International Classes:
D06M15/55; D01F9/22; D06M15/507; D06M15/647; D06M101/40
Domestic Patent References:
| WO2018079763A1 | 2018-05-03 |
Foreign References:
| JP2020002518A | 2020-01-09 | |||
| JP2016160567A | 2016-09-05 | |||
| JP2016089276A | 2016-05-23 | |||
| CN107916572A | 2018-04-17 |
Other References:
See also references of EP 4180568A4
Attorney, Agent or Firm:
TAMEYAMA Taro (JP)
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