In this circumstance, intermediate materials such as
commingled yarns, have been developed to improve
impregnation state in the composites. In this study, a
continuous intermediate material was developed by
aligning resin fibers alongside the reinforcing fiber with
the braiding technique. This intermediate material is
known as the “micro-braided-yarn” (MBY) as shown in
Figure 1. Since resin fibers are located close to the
reinforcement fiber bundle, the impregnation state is
excellent [2].