The environmental stress cracking (ESC) behaviors of high density polyethylene (HDPE) was qualitatively investigated by the measurements of FTIR, DSC and DMA,then the mechanism of ESC was also discussed.

• 应用FTIR，DSC，DMA技术，从高聚物具有结构多重性和形变不均一性出发，定性地探讨了HDPE的ESC开裂机理。