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结晶成核剂对PET/PE-HD共混物非等温结晶性能与力学性能的影响
引用本文:王立志 孙春燕 杨军忠 刘伟. 结晶成核剂对PET/PE-HD共混物非等温结晶性能与力学性能的影响[J]. 中国塑料, 2006, 20(6): 69-72
作者姓名:王立志 孙春燕 杨军忠 刘伟
作者单位:石油化工科学研究院,北京100083
摘    要:研究了水滑石(HT)等四种结晶成核剂对聚对苯二甲酸乙二醇酯(PET)倩密度聚乙烯(PE-HD)共混物结晶性能和力学性能的影响。结果表明,加入HT,不仅可以提高PET/PlE—HD共混物中PET的结晶性能,而且还有助于改善共混物的力学性能;而添加离聚物(Surlyn 8920)或复合成核剂,PET结晶性能改善显著,但力学性能下降较多。

关 键 词:聚对苯二甲酸乙二醇酯 水滑石 成核剂 共混物 结晶性能
文章编号:1001-9278(2006)06-0069-04
收稿时间:2006-03-14
修稿时间:2006-03-14

Effect of Nucleating Agent on Non-isothermal Crystallization and Mechanical Properties of PET/PE-HD Blends
WANG Li-zhi, SUN Chun-yan, YANG Jun-zhong, LIU Wei. Effect of Nucleating Agent on Non-isothermal Crystallization and Mechanical Properties of PET/PE-HD Blends[J]. China Plastics, 2006, 20(6): 69-72
Authors:WANG Li-zhi   SUN Chun-yan   YANG Jun-zhong   LIU Wei
Affiliation:Petrochemical Research Institute, Beijing 100083, China
Abstract:The effect of nucleating agent on non-isothermal crystallization and mechanical properties of PET/PE-HD blends was investigated using DSC, SEM, and mechanical testing. The compound nucleating agents promoted non-isothermal crystallization of PET, however, the mechanical properties dropped obviously. HT may enhance both non-isothermal crystallization of PET and mechanical properties of the blends, specially the tougthness of the blends about 3 times higher than devoid one.
Keywords:poly (ethylene terephthalate)  hydrotacticle  nucleating agent  blend  crystall property
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