The presence of the film has a significant effect on the foam stabilization, slowing down cell coalescence and growth.

• 新型发泡剂所释放的氧化性气体与熔体发生反应，在气泡表面所形成的连续氧化膜，对稳定气泡形貌、减缓气泡的合并和长大有重要作用；