This article introduced linseed oil and maleic anhydride [4 + 2] cycloaddition reaction principleand operation. This product is suitable for hardener of epoxy resin.

• 本文介绍亚麻油与顺丁烯二酸酐（4+2）环加成反应原理和操作，产物运作环氧树脂固化剂。