Yan Zhang, Xuechun Dong, Chen Zhang, Xiongyu Wu, Jie Cheng, Gensheng Wu, Renhua Sun, Zhonghua Ni, Gutian Zhao
Polymer materials have found extensive applications in the clinical and medical domains due to their exceptional biocompatibility and biodegradability. Compared to metallic counterparts, polymers, particularly Poly (L-lactic acid) (PLLA), are more suitable for fabricating biodegradable stents. As a viscoelastic material, PLLA monofilaments exhibit a creep phenomenon under sustained tensile stress. This study explores the use of creep to enhance the mechanical attributes of PLLA monofilaments. By subjecting the highly oriented monofilaments to controlled, constant force stretching, we achieved notable improvements in their mechanical characteristics...
February 10, 2024: International Journal of Biological Macromolecules