METHOD FOR PRODUCING GRAPHENE OXIDE/CARBON NANOTUBE COMPOSITE FIBER, GRAPHENE OXIDE/GRAPHENE COMPOSITE FIBER OR GRAPHENE OXIDE/GRAPHENE/CARBON NANOTUBE COMPOSITE FIBER USING WET SPINNING PROCESS

WIPO Patent Application WO/2017/191887

A1

The present invention provides a method for producing graphene oxide/carbon nanotube composite fiber, graphene oxide/graphene composite fiber or graphene oxide/graphene/carbon nanotube composite fiber, the method comprising the steps of: a) preparing graphene oxide/carbon nanotube dispersion solution, graphene oxide/graphene dispersion solution or graphene oxide/graphene/carbon nanotube dispersion solution; b) producing a gel fiber by spinning the dispersion solution into a coagulating bath including at least one type of first coagulation component selected from the group consisting of CTAB, chitosan, CaCl2, NaOH, and KOH, and at least one type of second coagulation component selected from the group consisting of polyvinyl alcohol (PVA), polymethylmethacrylate (PMMA), polyethyleneimine (PEI), polyvinyl pyrrolidone (PVP) and polyethylene oxide (PEO); and c) drying the gel fiber.

PARK SANG YOON (KR)
SHIN MIN KYOON (KR)
KIM HYUK JOON (KR)
YEO CHANG SU (KR)
CHO YUN JAE (KR)
CHO KANG RAE (KR)

PCT/KR2017/001238

November 09, 2017

February 04, 2017

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AICT (KR)
PURITECH CO LTD (KR)

D01F9/12; C01B32/158; C01B32/182; D01D1/02; D01D5/06; D01D10/06; D01F1/09; D01F8/00; D02G3/44

KR101182380B1	2012-09-12
KR20130017271A	2013-02-20
KR20150122928A	2015-11-03
KR20130113989A	2013-10-16

LEE, WON-OH ET AL.: "Preparation of Amine-functionalized Graphene Fiber and Its Application", COMPOSITES RESEARCH, vol. 28, no. 5, 2015, pages 265 - 269

SA, Kwang Young (KR)

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