| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for producing thermosetting resin having a benzoxazine ring made to have a desired high molecular weight without gelating in a reaction. <P>SOLUTION: There is provided a method for producing thermosetting resin having a benzoxazine ring including a step of reacting a bifunctional phenol compound, diamine compound and aldehyde compound in a mixed solvent of a solvent having one or more ether groups and alcoholic hydroxy groups in the molecule and an amide-based solvent. <P>COPYRIGHT: (C)2012,JPO&INPIT |
