▎ 摘 要
NOVELTY - Sizing agent comprises main agent, 0.5-6 wt.% emulsifier, 0.1-2 wt.% graphene oxide, thinner and water. USE - Sizing agent used for improving carbon fiber property. ADVANTAGE - The sizing agent is eco-friendly, and has mechanical strength. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing sizing agent, which involves: (A) mixing main agent, diluting agent and emulsify agent; (B) adding graphene oxide and water in the mixture; and (C) stirring the mixture to obtain slurry.