The vulcanization reaction of the ipn and pdms was determined by the fourier transform infrared ( ft-ir ) . the mechanism of the vulcanization did't change, no chemical reaction between the ma and the pdms appeared 紅外光譜儀對聚硅氧烷和ipn固化前后的化學結構的分析表明,反應按照各自機理進行,丙烯酸甲酯與聚硅氧烷之間沒有發(fā)生化學反應,說明反應具備ipn形成的基本條件。