概述了超声波对聚合物成型、改性的影响及其研究进展,介绍了超声波的作用机理、超声波在降低聚合物粘度、提高挤出产量以及对聚合物力学性能和结晶形态的影响.结果表明,超声波的加入,可以降低挤出口膜压力,提高挤出质量,降低聚合物的粘度.
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