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Title:
SIZING AGENT FOR FIBER REINFORCEMENT, AND USE OF SAME
Document Type and Number:
WIPO Patent Application WO/2019/035309
Kind Code:
A1
Abstract:
Provided are: a sizing agent for fiber reinforcement, which imparts a molded product with excellent physical properties; and a carbon fiber bundle to which the sizing agent is attached. This sizing agent for fiber reinforcement contains a component (A) that is an acrylic resin, a rubber component (B), and a component (C) that is a liquid rosin ester resin. The proportion by weight of component (C) relative to non-volatile components in the sizing agent is preferably 20-80 wt%. Non-volatile components in the fiber sizing agent are preferably solids at 20ºC. The viscosity of component (C) at a temperature of 50ºC and a pressure of 1 atm is preferably 500,000 mPa·s or less.

Inventors:
SUZUKI KENTARO (JP)
NAKAYAMA TAKEYOSHI (JP)
Application Number:
PCT/JP2018/027002
Publication Date:
February 21, 2019
Filing Date:
July 19, 2018
Export Citation:
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Assignee:
MATSUMOTO YUSHI SEIYAKU KK (JP)
International Classes:
D06M15/263; C08J5/06; C08L21/00; C08L33/00; C08L93/04; D06M15/17; D06M15/693
Domestic Patent References:
WO2007047383A12007-04-26
Foreign References:
JPS5747975A1982-03-19
JP2013001757A2013-01-07
JP2015014056A2015-01-22
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