| abstract |
The present invention relates to a sizing agent for carbon fibers, and more particularly, to a sizing agent for carbon fibers including a curing agent in addition to an epoxy resin, a surfactant, and an emulsifier. The sizing agent for the carbon fiber of the present invention can impart excellent focusing and broadening properties to the carbon fiber, and the prepreg product to which the carbon fiber is applied can be usefully applied as a composite material with enhanced physical properties. |