浅谈超高分子量聚乙烯纤维的表面处理

超高分子量聚乙烯（UHMWPE）纤维是一种性能优异的高性能纤维,但由于其表面自身特点,限制了它的应用,所以通常对其表面进行处理,以提高与树脂的界面结合力。作者介绍了几种用于UHMWPE纤维表面处理的方法,如等离子处理法。     

超高分子量聚乙烯纤维表面处理的研究进展

详细介绍了超高分子量聚乙烯纤维的各种表面处理方法 ,如等离子体处理、电晕放电和化学氧化等 ,重点讨论了这些方法对纤维增强复合材料粘结性能和力学性能的影响 ,特别关注了近年来各种表面处理超高分子量聚乙烯纤维技术的进展。     

改善超高分子量聚乙烯纤维粘合性能的研究

本文旨在分析、探讨超高分子量聚乙烯纤维表面处理的各种方法，如等离子体法、化学试剂氧化法等。通过其表面处理，纤维表面或粗糙度有了提高或携带了极性基团，从而使超高分子量聚乙烯纤维与基体粘合性能得以改善。尤为关注近几年来对超高分子量聚乙烯纤维的改性新动态.     

超高分子量聚乙烯(UHMWPE)纤维改性研究进展

从UHMWPE纤维改性目的出发,综述了通过等离子体、射线辐照、接枝聚合等手段改善UHMWPE纤维表面性能的各种方法.其中利用等离子体处理UHMWPE纤维,以及一些通过化学试剂引入反应性基团处理UHM-WPE纤维应用较为广泛.介绍了超高分子量聚乙烯常见的改性方法以及近几年来的研究进展,并对于UHMWPE纤维发展趋势做出展...     

UHMWPE/PE复合材料的开发与性能研究

本文在阐述聚乙烯自增强复合材料(PE/PE)的涵义基础上,介绍超高分子量聚乙烯(UHMWPE)纤维增强聚乙烯复合材料的制备原理和新产品的加工技术与工艺特点;试验测得复合材料的性能,验证了为改善复合材料性能而采用的几种UHMWPE纤维表面处理方法的有效性;同时证实了界面粘结是影响UHMWPE/PE复合材料性能的关键因素;最后就UHMWPE/PE复合材料界面粘结机理展开讨论,并概述了界面穿晶层的起源、形态和结晶结构研究的新进展.     

超高相对分子质量聚乙烯纤维表面改性研究进展

综述了近年来国内外超高相对分子质量聚乙烯(UHMWPE)纤维表面改性的研究进展,介绍了UHMWPE纤维表面改性方法主要包括等离子体改性、辐照接枝改性、化学氧化改性、仿生修饰改性、表面偶联剂处理、电晕处理等,这些改性方法各有其优缺点,建议将上述两种或多种方法进行结合,在保证UHMWPE纤维原有优异性能的基础上,以使UHMWPE纤维获得最佳表面性能。     

UHMWPE纤维表面改性技术的研究进展

超高相对分子质量聚乙烯（UHMWPE）纤维以其优异的性能而成为一种重要的高科技纤维品种，但由于本身的结构特点，导致纤维与基体之间的界面粘接性能较差而限制了其应用。通过液相氧化法、等离子体处理法等各种方法对UHMWPE纤维表面进行处理，可不同程度改善其界面粘结性能。本文详细介绍了UHMWPE纤维的表面改性方法及其进展。     

等离子体处理超高相对分子质量聚乙烯纤维

介绍了等离子体气体种类和处理参数对超高相对分子质量聚乙烯(UHMWPE)纤维表面性能的影响,阐述了等离子体处理UHMWPE纤维的表征方法,包括黏结性和表面基团变化的表征,探究了等离子体改善纤维表面性能的机制,概括了对等离子体处理时效性和连续性问题的研究。     

超高分子量聚乙烯纤维的表面处理

综述了超高分子量聚乙烯（UHMWPE）纤维复合材料界面的重要性,总结了表面改性方法对UHMWPE纤维以及UHMWPE／树脂界面的影响。     

超高分子量聚乙烯纤维表面处理

本文简要介绍了超高分子量聚乙烯纤维的发展和性能，详细总结了超高分子量聚乙烯纤维的低温等离子、接枝、电晕和辉光放电、氧化等多种表面处理方法，并进行了比较，阐述了目前研究的现状和今后的发展趋势。     

Surface modification and physical properties of various UHMWPE‐fiber‐reinforced modified epoxy composites

Two surface modification methods—plasma surface treatment and chemical agent treatment—were used to investigate their effects on the surface properties of ultrahigh‐molecular‐weight polyethylene (UHMWPE) fibers. In the analyses, performed using electron spectroscopy for chemical analysis, changes in weight, and scanning electron microscope observations, demonstrated that the two fiber‐surface‐modified composites formed between UHMWPE fiber and epoxy matrix exhibited improved interfacial adhesion and slight improvements in tensile strengths, but notable decreases in elongation, relative to those properties of the composites reinforced with the untreated UHMWPE fibers. In addition, three kinds of epoxy resins—neat DGEBA, polyurethane‐crosslinked DGEBA, and BHHBP‐DGEBA—were used as resin matrices to examine the tensile and elongation properties of their UHMWPE fiber‐reinforced composites. From stress/strain measurements and scanning electron microscope observations, the resin matrix improved the tensile strength apparently, but did not affect the elongation. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 104: 655–665, 2007     

低温等离子体技术在超高相对分子质量聚乙烯纤维表面改性中的应用

介绍了低温等离子体的概念、分类及其在超高相对分子质量聚乙烯纤维(UHMWP E)表面改性方面的特点;阐述了国内外在低温等离子体对UHMWPE纤维表面改性前后纤维本身及其复合材料性能的影响情况;简介了用自行研制的低温等离子体设备对UHMWPE纤维进行表面改性的研究结果和低温等离子体处理UHMWPE纤维表面改性的发展前景。实验表明,UHMWPE纤维经过等离子体处理后表面产生刻蚀和交联,其与树脂间的粘结性能改善;该低温等离子体设备能满足UHMWPE纤维表面改性连续化生产需要。     

Chemical modification combined with corona treatment of UHMWPE fibers and their adhesion to vinylester resin

The influence of corona treatment on the near-surface structures of treated ultra-high-molecular-weight polyethylene (UHMWPE) fibers was studied first by atomic force microscopy (AFM). AFM pictures showed that the pits on the corona-treated PE fiber surfaces had different change characteristics in depth compared with in length and breadth with variations of corona power. Then the UHMWPE fibers were subjected to chemical modification following the corona treatment, named the two-stage treatment. Surface morphologies and chemical properties of the treated fibers were analyzed by scanning electron microscopy (SEM), FT-IR–ATR spectroscopy and Raman spectroscopy. The results obtained suggested that some carbon–carbon double bonds had been introduced on the surfaces of the PE fibers after the two-stage treatment. These unsaturated groups could participate in free-radical curing of vinylester resin (VER), and this resulted in improvement of interfacial adhesion strength in the PE fiber/VER composites. In addition, the mechanical properties of the UHMWPE fibers reduced after corona treatment did not reduce further after subsequent chemical treatment with increase of corona power. In short, the two-stage treatment proved to be effective in improving the interfacial adhesion of the composites and maintaining the high mechanical properties of the PE fibers, as this treatment method did not destroy the bulk structure of the UHMWPE fibers.     

UHMWPE纤维表面的液态氧化法处理研究

采用 4种氧化处理液对国产超高相对分子质量聚乙烯 (UHMWPE)纤维进行表面处理 ,利用FTIR表征纤维化学成分的变化 ,采用SEM、接触角、单丝拔出实验表征纤维表面性能的改变 ,单丝强力表征处理方法对纤维强度的影响。结果表明 :85℃的铬酸处理液能够很好地改善纤维的表面性能。     

Surface modification of ultra-high molecular weight polyethylene fibers by γ-radiation-induced grafting

A technique for grafting acrylic polymers on the surface of ultra-high molecular weight polyethylene (UHMWPE) fibers utilizing ⁶⁰Co gamma radiation at low dose rates and low total dose has been developed. Unlike some of the more prevalent surface modification schemes, this technique achieves surface grafting with complete retention of the exceptional UHMWPE fiber mechanical properties. In particular, poly(butyl acrylate) and poly(cyclohexyl methacrylate) were successfully grafted onto UHMWPE fibers with no loss in tensile properties. The surface and tensile properties of the fibers were evaluated using Fourier transform infrared/photoacoustic spectroscopy (FTIR/PAS), X-ray photoelectron spectroscopy (XPS), and tensile tests. The reinforcement efficiency of untreated, polymer-grafted, and plasma-treated UHMWPE fibers in polystyrene and a poly(styrene-co-butyl acrylate-co-cyclohexyl methacrylate) statistical terpolymer was characterized using mechanical tensile tests. The thermoplastic matrix composites were prepared with 4 wt% discontinuous (10 mm), randomly distributed UHMWPE fibers. An approximate 30% increase in composite strength and modulus was observed for poly(cyclohexyl methacrylate)-grafted fibers in the terpolymer and polystyrene matrices. A comparable improvement was realized with the plasma-treated fibers. On the other hand, poly(butyl acrylate) grafts induced void formation, i.e. energy dissipation through plastic deformation and volume expansion at the fiber/matrix interface in terpolymer composites. The latter resulted in a 75% increase in the elongation to failure. The effect of polymer grafts on fiber/matrix adhesion is discussed in terms of the graft and matrix chain interactions and solubility, graft chain mobility, and fracture surface characteristics as determined by scanning electron microscopy (SEM).     

超高相对分子质量聚乙烯纤维及其应用

本文介绍了超高相对分子质量聚乙烯(UHMWPE)纤维的制备方法及其发展现状，并简要概述了该纤维的结构、性能、改性方法及其在各领域中的应用。     

超高相对分子质量聚乙烯纤维的改性及其应用

超高相对分子质量聚乙烯（UHMWPE）纤维以其优异的性能而成为一种重要的高科技纤维品种,但由于本身的结构特点,使得其存在一定的性能缺陷而限制了应用范围。通过等离子体处理法、氧化法等各种物理和化学的方法对UHMWPE纤维表面进行改性处理,可不同程度改善其耐热、界面、抗蠕变等弱性。详细介绍了该纤维的改性方法及其在绳索类、防护用品以及其他方面的应用。     

UHMWPE/CNTs复合体系及其纤维的研究进展

综述了超高分子量聚乙烯(UHMWPE)、碳纳米管(CNTs)、UHMWPE/CNTs复合体系及其纤维的研究现状,以及CNTs的添加对UHMWPE/CNTs复合体系及其纤维性能的影响;添加CNTs可有效提高UHM-WPE的耐磨性、电学性能、力学性能以及UHMWPE纤维的抗蠕变性能和热稳定性能;指出CNTs对UHM-WPE改性过程中存在的主要问题是CNTs分散性差,CNTs的生产成本高,UHMWPE/CNTs的改性机理有待进一步深入,并进一步拓宽UHMWPE/CNTs复合体系及其纤维的应用领域。