| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing a prepreg which is flat and excellent in impregnation ability, and the like. <P>SOLUTION: This production method of a prepreg comprises the steps of: immersing a substrate composed of fiber cloths in an impregnation tank in which a solvent or a resin varnish is received; passing the impregnated substrate between two squeeze rollers or cut bars installed over the impregnation tank, and drying the impregnated substrate; and then applying a resin varnish to both surfaces of the resulting substrate with a pair of dies opposingly arranged on both sides of a substrate carrying path, followed by drying the varnish. <P>COPYRIGHT: (C)2013,JPO&INPIT |
