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INFLUENCE OF TENSION EFFECT ON BUBBLE NUCLEATION WITH SUPERCRITICAL FLUID CO2 AS FOAMING AGENT
Author(s): 
Pages: 29-31
Year: Issue:  5
Journal: ENGINEERING PLASTICS APPLICATION

Keyword:  拉伸作用超临界CO2流体气泡成核自由体积;
Abstract: 分析采用超临界CO2流体挤出发泡成型时拉伸作用对聚合物分子自由体积的影响,以及由此引起的对气泡成核的影响.利用具有不同入口收敛角的锥型挤出口模进行了验证,结果显示,拉伸作用可增加气泡的成核数目,减小气泡的平均直径.
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