欢迎登录材料期刊网

材料期刊网

高级检索

运用DSC手段研究了UHMWPP/UHMWPE合金纤维的非等温结晶行为.采用Avrami方程和Avrami-Ozawa方程的结合(莫氏法)分析了其结晶能力和结晶活化能.分析F(T)及△E数据可知,UHMWPE作为成核剂加入有效地降低了结晶活化能,使得UHMWPP的结晶更容易.

参考文献

[1] Ivan'kova EM;Krumova M;Myasnikova LP;Marikhin VA;Michler GH .Time-resolved X-ray scattering studies of creep in oriented UHMWPE films[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(15):5623-5629.
[2] Magnus Kristiansen;Theo Tervoort;Paul Smith .Synergistic gelation of solutions of isotactic polypropylene and bis-(3,4-dimethyl benzylidene) sorbitol and its use in gel-processing[J].Polymer: The International Journal for the Science and Technology of Polymers,2003(19):5885-5891.
[3] KRISTIANSEN M;TERVOORT T;SMITH P et al.Mechanical properties of sorbitol-clarified isotactic polypropylene:Influence of additive concentration on polymer structure and yield behaviour[J].Macromolecules,2005,38:10461-10465.
[4] OZAWA T .Kinetics of non-isothermal crystallization[J].Polymer,1971,12(03):150-158.
[5] 刘结平;莫志深;綦玉臣.聚氧化乙烯(PEO)/聚双酚A羟基醚(PBHE)共混体系的非等温结晶动力学[J].高分子学报,1993(01):1-6.
[6] Liu TX;Mo ZS;Wang SG;Zhang HF .Nonisothermal melt and cold crystallization kinetics of poly(aryl ether ether ketone ketone)[J].Polymer engineering and science,1997(3):568-575.
[7] KISSINGER H .Variation of peak temperature with heating rate in differential thermal analysis[J].Journal of Research of the National Bureau of Standards,1956,57(04):217-221.
[8] 杨柳.β晶型成核剂对PP结晶行为的影响[J].合成树脂及塑料,2007(02):5-9.
[9] SMOOK J;PENNINGS J .Influence of draw ratio on morphological and structural changes in hot-drawing of UHMW polyethylene fibres as reveaIed by DSC[J].Colloid and Polymer Science,1984,262:712-722.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%