| 摘要 |
<p>A method for producing a benzoxazine resin wherein a benzoxazine resin is synthesized through reacting a phenol compound, an aldehyde compound and a primary amine in the presence of an organic solvent and then the condensation water generated and the organic solvent are removed under vacuum at an elevated temperature, characterized in that the pressure of the reaction system is set at 260 mm Hg or more.</p> |
