A polyethylene based resin exhibiting excellent moldability and durability and having an excellent balance between impact resistance and stiffness; and a hollow plastic molded article using the foregoing resin, which exhibits excellent moldability, durability and barrier properties and has an excellent balance between impact resistance and stiffness, are provided. The polyethylene based resin satisfies the following requirements (1) to (4): (1) a high-load melt flow rate (HLMFR) is from 1 to 100 g/10 min; (2) a density is from 0.940 to 0.960 g/cm3; (3) a strain hardening parameter λmax of elongational viscosity is from 1.05 to 1.50; and (4) a rupture time in a full notch tensile creep test and a density satisfy the following relational expression (A): log (rupture time) ≥ -355 × (density) + 337.6 (A).
                            本发明提供了一种聚
乙烯基树脂,它具有优异的成型性和耐久性,并在抗冲击性和刚度之间取得了极佳的平衡;还提供了一种使用上述
树脂的中空塑料成型品,它具有优异的成型性、耐久性和阻隔性,并在抗冲击性和刚度之间取得了极佳的平衡。聚
乙烯基树脂满足以下要求(1)至(4):(1) 高负荷熔体流动速率(HLMFR)为 1 至 100 克/10 分钟;(2) 密度为 0.940 至 0.960 克/立方厘米;(3) 拉伸粘度的应变硬化参数 λmax 为 1.05 至 1.50;(4) 全缺口拉伸蠕变试验中的断裂时间和密度满足以下关系式 (A):对数(断裂时间)≥-355×(密度)+337.6 (A)。