The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 25, 2020
Filed:
Nov. 25, 2016
Korea Institute of Machinery & Materials, Daejeon, KR;
Sangwoo Kim, Goyang-si, KR;
Jin Woo Yi, Changwon-si, KR;
Dong Gi Seong, Changwon-si, KR;
Moon-Kwang Um, Changwon-si, KR;
Kangeun Lee, Changwon-si, KR;
Taehoon Park, Changwon-si, KR;
Youngseok Oh, Gimhae-si, KR;
KOREA INSTITUTE OF MACHINERY & MATERIALS, Daejeon, KR;
Abstract
The present invention relates to a sizing agent for carbon fibers, a carbon fiber with improved interfacial adhesion, a polymerization reaction type carbon fiber-reinforced polymer composite material using the same, and a production method therefor and, more specifically, to a sizing agent for carbon fibers, comprising a phenoxy resin and a block isocyanate compound prepared through a reaction of ε-caprolactam with one of two isocyanate groups of a diisocyanate compound, and the production of a carbon fiber with improved interfacial adhesion using the same, a polymerization reaction type carbon fiber-reinforced polymer composite material using the carbon fiber with improved interfacial adhesion, and a production method therefor.