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Patent Searching and Data


Title:
CONTINUOUS MANUFACTURING METHOD OF NONWOVEN FABRIC-LIKE PREPREG
Document Type and Number:
Japanese Patent JP2021155553
Kind Code:
A
Abstract:
To provide a manufacturing method of nonwoven fabric-like prepregs which can manufacture carbon fiber reinforcing resin complexes efficiently.SOLUTION: A continuous manufacturing method of nonwoven fabric-like prepregs includes: a step of producing wet web that the water rate is 40-90 mass% from slurry containing carbon fiber and thermoplastic resin; a step of pressing, coiling and laminating the wet web around a cylindrical support continually; a step of cutting and unfolding the laminated wet web to make a single plate; and a step of pressing, drying and heating the single plate wet web.SELECTED DRAWING: None

Inventors:
OKU YASUYUKI
KADOMA KENJI
Application Number:
JP2020057099A
Publication Date:
October 07, 2021
Filing Date:
March 27, 2020
Export Citation:
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Assignee:
MITSUBISHI PAPER MILLS LTD
International Classes:
C08J5/24; D04H1/4242; D21H13/50