Interpenetrating Polymer Network(IPN) was a new composite.The IPN theory and several characterization means were described and the prospect of IPN used in emulsion coating was explored.

• 互穿网络聚合物(IPN)是一种新型复合物材料,文章介绍了IPN原理与几种表征手段,探讨了IPN在乳液涂料工艺中推广应用的前景。