s In order to improve the folding endurance of tube and tape of micro irrigation,LLDPE was strengthened and toughened with ethylene propylene diene monomer rubber(EPDM).

• 本文采用三元乙丙橡胶和高密度聚乙烯(HDPE)对线性低密度聚乙烯LLDPE进行了增韧和增强。