Abstract: In this work, ultra-high molecular weight polyethylene (UHMWPE) fibers were prepared by wet spinning, and the surface modification of UHMWPE fibers was applied by hydrolysis and condensation reaction. The chemical structure, thermal stability and micro-morphology of the modified fibers were studied, and the relationship between the creep resistance and structure was systematically explored. The results showed that the surface formed a cross-linked structure, the crystallinity of the fibers decreased, the thermal stability does not change much, and the mobility of the surface molecular chains decreased. Compared with the unmodified UHMWPE fiber, the creep resistance of modified fiber was improved by more than 50%. This work integrated UHMWPE spinning process and surface modification, which significantly improved the creep resistance of UHMWPE fibers. The property was verified by two test methods, which provided a method for the preparation of high creep-resistant UHMWPE fiber materials.
李志尧, 文鑫, 杨晨光, 王栋. 表面具有交联结构的UHMWPE纤维的制备及抗蠕变性能研究[J]. 材料导报, 2023, 37(21): 22040008-6.
LI Zhiyao, WEN Xin, YANG Chenguang, WANG Dong. Study on Preparation and Creep Resistance of UHMWPE Fiber with Crosslinked Structure on the Surface. Materials Reports, 2023, 37(21): 22040008-6.
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2023, Vol. 37 
