Experiments make it clear that adding fit content sorbital in PE can suppress water treeing and space charge.It is concluded that modifying crystalline morphology of PE can inhibit water treeing.

• 实验也表明在聚乙烯中添加适量的三梨糖醇，可以有效地抑制水树枝及空间电荷，说明改善聚乙烯的结晶形态也可以抑制其水树枝化。