In this study, the tensile and fracture behavior of polylactic acid (PLA)/ thermoplastic corn starch (TPS) filled with halloysite nanotubes (HNTs) was investigated. Adding TPS noticeably decreased the tensile strength and modulus, but increased the elongation at break. Adding TPS to 60 wt% reduced the tensile strength and modulus by 61% and 92%, respectively, but increased the elongation at break by 77%. Adding HNTs in PLA/ TPS improved the tensile modulus, but diminished the elongation at break and tensile strength. Analysis of the fracture behavior was performed by the essential work of fracture (EWF) method. The results revealed that adding 20 wt% of TPS to PLA increased EWF and non-EWF by 298% and 109%, respectively. According to the desirability function, the best strength, stiffness, and toughness balance were obtained for the sample containing 20 wt% of TPS and 1 wt% of HNTs.

在这项研究中，研究了填充埃洛石纳米管 (HNT) 的聚乳酸 (PLA)/热塑性玉米淀粉 (TPS) 的拉伸和断裂行为。添加 TPS 显着降低了拉伸强度和模量，但增加了断裂伸长率。将 TPS 添加到 60 wt% 后，拉伸强度和模量分别降低了 61% 和 92%，但断裂伸长率增加了 77%。在 PLA/TPS 中添加 HNT 提高了拉伸模量，但降低了断裂伸长率和拉伸强度。通过基本断裂功 (EWF) 方法对断裂行为进行分析。结果表明，向 PLA 添加 20 wt% 的 TPS 可使 EWF 和非 EWF 分别增加 298% 和 109%。根据意愿函数，最佳强度、刚度、