Title:
CARBON FIBER NONWOVEN FABRIC MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2020050984
Kind Code:
A
Abstract:
To provide a manufacturing method of carbon fiber nonwoven fabric that reduces the occurrence of defect such as wrinkle and cut line, prevents a sheet from being torn and has a good formation.SOLUTION: A carbon fiber nonwoven fabric manufacturing method is a manufacturing method to form a carbon fiber nonwoven fabric containing carbon fiber and thermoplastic resin fiber by wet-type papermaking method and the method is characterized in spraying water droplet in the quantity equal to 0.2 L or more and equal to 2.5 L or less per square meter of wet paper to the wet paper passing through a couch roll at a former part of a wire part.SELECTED DRAWING: None
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Inventors:
HIROTA NOBUAKI
Application Number:
JP2018180748A
Publication Date:
April 02, 2020
Filing Date:
September 26, 2018
Export Citation:
Assignee:
MITSUBISHI PAPER MILLS LTD
International Classes:
D04H1/4242; D04H1/4382; D21H13/50