Title:
MANUFACTURING METHOD OF CARBON FIBER UNWOVEN FABRIC
Document Type and Number:
Japanese Patent JP2020051000
Kind Code:
A
Abstract:
To provide a manufacturing method of a carbon fiber unwoven fabric reducing generation of defects such as wrinkle or nick, suppressing cut of a sheet and good in a tone.SOLUTION: There is provided a manufacturing method for forming a carbon fiber unwoven fabric containing a carbon fiber and a thermoplastic resin fiber by a wet type papermaking method, in which a water drop is sprayed to wet paper before passing through a suction device arranged before a press roll of press part after passage through a couch roll 5 of the foamer part 2 with water amount of 0.2 L to 2.5 L per 1 square meter of the wet paper in a former part 1 in a papermaking process.SELECTED DRAWING: Figure 1
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Inventors:
HIROTA NOBUAKI
KADOMA KENJI
KADOMA KENJI
Application Number:
JP2018182476A
Publication Date:
April 02, 2020
Filing Date:
September 27, 2018
Export Citation:
Assignee:
MITSUBISHI PAPER MILLS LTD
International Classes:
D21H13/50; D04H1/4242