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Title:
POLYACRYLONITRILE-BASED FLAME-RETARDANT FIBER, CARBON FIBER, AND MANUFACTURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/030854
Kind Code:
A1
Abstract:
The present invention provides a carbon fiber, which has excellent tensile strength by having fewer internal defects while being a thick fiber having a monofilament diameter of 6.0 μm or greater, and can provide the effects of reducing costs while increasing production amount to enhance the yieldability of the carbon fiber.

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JPS6052206[Title of the Invention] A manufacturing method of acrylic carbon fiber
JPS542426STARTING FIBERS FOR CARBON FIBERS AND THEIR CARBONIZATION
Inventors:
JUNG HEE ROK (KR)
LEE DEUK-JIN (KR)
KIM CHEOL (KR)
Application Number:
PCT/KR2021/009726
Publication Date:
February 10, 2022
Filing Date:
July 27, 2021
Export Citation:
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Assignee:
HYOSUNG ADVANCED MAT CORP (KR)
International Classes:
D01F9/22; B60K15/03; D01D5/04; D01D5/06; D01D10/06; D01F6/18; F17C1/06
Domestic Patent References:
WO2019107276A12019-06-06
WO2019087766A12019-05-09
Foreign References:
JP2008202207A2008-09-04
KR20140148343A2014-12-31
KR20160142538A2016-12-13
KR20180098666A2018-09-04
KR20190019297A2019-02-27
JPS5982420A1984-05-12
JPH0615722A1994-01-25
JPH0737685A1995-02-07
JP2004003043A2004-01-08
EP3719184A12020-10-07
EP0843033A11998-05-20
EP3705610A12020-09-09
JP2023505866A2023-02-13
EP3719184A12020-10-07
Attorney, Agent or Firm:
KIM, Hak Je et al. (KR)
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