介绍了超高分子量聚乙烯(UHMWPE)的晶体结构,包括UHMWPE纤维在加工成型过程中微观结构、分子的结晶行为和结晶模型。重点阐述UHMWPE在稀溶液中的结晶行为,对初生纤维形成过程中的折叠链模型和串晶结构进行讨论,综述了UHMWPE纤维在后纺拉伸过程中链结构变化方面的研究进展。对纤维结晶的研究方向和研究意义进行了展望。
The micro structure,crystal model and molecular crystallization behavior of ultra high molecular weight polyethylene (UHMWPE) fibers in spinning and drawing processing were summarized.Folding chain model and shish-kebabs of UHMWPE as-spun filaments formation during crystallization of dilute solution were focused.Furthermore,evolution of chain structure during ultra-drawing procedure was discussed.Finally,significance of researches in crystallization behavior was given,along with outlook on further research.
[1] 王新威,朱加尖,张玉梅,等.超高分子量聚乙烯纤维用树脂性能与纺丝研究[J].化工新型材料,2011,39(3):120-122.
[2] 汪家铭.超高分子量聚乙烯纤维产业现状与市场前景[J].化学工业,2014,32(8):32-38.
[3] 王非,刘丽超,薛平.超高分子量聚乙烯纤维制备技术进展[J].塑料,2014,43(5):31-35.
[4] 何曼君.高分子物理[M].上海:复旦大学出版社,2007,38-39.
[5] 萨利姆大卫R.聚合物纤维结构的形成[M].北京:化学工业出版社,2004,145-146.
[6] 莫志深.晶态聚合物结构和X射线衍射[M].北京:科学出版社,2010,33-34.
[7] 徐种德,何平笙.高聚物的结构与性能(第2版)[M].北京:科学出版社,2008,72-73.
[8] Wood G G.Polymer crystalliza,tion and reorganization during heating:simulation with the sadler/gilmer model[J].Journal of Polymer Science Part B Polymer Physics,1993,31(1):61-67.
[9] Hoffman J D.Regime Ⅲ crystallization in melt-crystallized polymers:the variable cluster model of chain folding.Polymer[J].Polymer,1983,24(83):3-26.
[10] Torfs J C M,Pennings A J.Longitudinal growth of polymer crystals from flowing solutions.Ⅷ.Mechanism of fiber formation on rotor surface[J].Journal of Applied Polymer Science,1981,26(1):303-320.
[11] Murase H,Ohta Y,Hashimoto T.A new scenario of shish-kebab formation from homogeneous solutions of entangled polymers:visualization of structure evolution along the fiber spinning line[J].Macromolecules,2011,44(18):7335-7350.
[12] 乐征宇,于瀛,范仲勇.超高分子量聚乙烯的稀溶液结晶与形态[J].复旦学报(自然科学版),2004,43(4):663-667.
[13] Gennes P G D.Scaling concepts in polymer physics[M].New York:Physics Today,2008,51-54.
[14] Xiao M,Yu J,Zhu J,et al.Effect of UHMWPE concentration on the extracting,drawing,and crystallizing properties of gel fibers[J].Journal of Materials Science,2011,46(17):5690-5697.
[15] Smook J,Pennings J.Influence of draw ratio on morphological and structural changes in hot-drawing of UHMW polyethylene fibres as revealed by DSC[J].Colloid and Polymer Science,1984,262(9):712-722.
[16] 张强,王庆昭,陈勇.超拉伸熔纺UHMWPE纤维结晶结构的变化[J].高分子材料科学与工程,2014,30(10):100-103.
[17] 程玉洁.后纺工艺对不同冻胶浓度UHMWPE纤维结构性能的影响[D].北京:北京服装学院,2010.
[18] Alamo R G,Chan E K M,Mandelkern L,et al.Influence of molecular weight on the melting and phase structure of random copolymers of ethylene[J].Macromolecules,1992,25(24):6381-6394.
[19] Baker A M E,Windle A H.Evidence for a partially ordered component in polyethylene from wide-angle X-ray diffraction[J].Polymer,2001,42(2):667-680.
[20] Gautam S,Balijepalli S,Rutledge G C.Molecular simulations of the interlamellar phase in polymers[J].Macromolecules,2000,33(24):9136-9145.
[21] 宋士杰.高性能聚烯烃结晶行为及结构性能关系研究[D].上海:复旦大学,2011.
[22] 张春芳,徐又一,朱宝库.超高分子量聚乙烯在液体石蜡中的等温结晶动力学[C].北京:中国膜工业协会,2007.
[23] 张安秋,陈克权,鲁平,等.超高分子量聚乙烯纤维伸直链结晶的研究[J].合成纤维工业,1988,11(6):23-29.
[24] Xiao C,Zhang Y,An S,et al.Investigation on the thermal behaviors and mechanical properties of ultrahigh molecular weight polyethylene (UHMW-PE) fibers[J].Journal of Applied Polymer Science,1996,59(6):931-935.
[25] 甄万清.熔体纺丝法制备超高分子量聚乙烯纤维[D].济南:山东科技大学,2011.
[26] 张乾.聚乙烯结晶度测定及结晶机理的研究[D].西安:西北工业大学,2003.
[27] 于俊荣,胡祖明,刘兆峰.超拉伸UHMWPE纤维的结晶结构及其形成机理[J].合成纤维工业,2004,37(6):7-10.
[28] 于俊荣.高强高模聚乙烯纤维成形机理与工艺研究[D].上海:东华大学,2002.
[29] Smith P,Lemstra P J.Ultra-high-strength polyethylene filaments by solution spinning/drawing[J].Journal of Materials Science,1980,15(2):505-514.
[30] 杨潇,王新威,陈东辉,等.超高相对分子质量聚乙烯在十氢萘中的溶胀过程研究[J].上海塑料,2015(2):55-58.
[31] 王新威,张玉梅,徐静安.超高分子量聚乙烯树脂的溶胀性的检测分析[J].合成纤维工业,2012,35(3):66-69.
[32] 朱加尖,王新威,肖明明,等.超高相对分子质量聚乙烯的性能与纺丝研究[J].合成纤维工业,2011,34(1):12-15,18.
[33] 王新威,张玉梅,王萍,等.PE-UHMW纤维拉伸蠕变性能的测试方法研究[J].工程塑料应用,2013(11):88-91.
基金资助
上海张江国家自主创新示范区专项发展资金重点项目(201505-PT-C104-018)
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