|本期目录/Table of Contents|

[1]陈瑞骐,江学良,游 峰.反应挤出制备聚丙烯基三元共混物[J].武汉工程大学学报,2016,38(1):46-51.[doi:10. 3969/j. issn. 1674-2869. 2016. 01. 008]
 CHEN Ruiqi,JIANG Xueliang,YOU Feng.Polypropylene Matrix Ternary Blends Prepared by Reactive Extruding[J].Journal of Wuhan Institute of Technology,2016,38(1):46-51.[doi:10. 3969/j. issn. 1674-2869. 2016. 01. 008]
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反应挤出制备聚丙烯基三元共混物()
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
38
期数:
2016年1期
页码:
46-51
栏目:
材料科学与工程
出版日期:
2016-03-07

文章信息/Info

Title:
Polypropylene Matrix Ternary Blends Prepared by Reactive Extruding
文章编号:
1674-2869(2016)01-0046-06
作者:
陈瑞骐江学良游 峰
武汉工程大学材料科学与工程学院,湖北 武汉 430074
Author(s):
CHEN Ruiqi JIANG Xueliang YOU Feng
School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430074, China
关键词:
聚丙烯聚苯乙烯苯乙烯-丁二烯-苯乙烯共聚物反应挤出核壳粒子
Keywords:
polypropylene polystyrene styrene?butadiene?styrene co?polymer reactive extruding core?shell particle
分类号:
U455.43
DOI:
10. 3969/j. issn. 1674-2869. 2016. 01. 008
文献标志码:
A
摘要:
在聚丙烯中添加了聚苯乙烯及苯乙烯-丁二烯-苯乙烯以改善其力学性能,分别利用简单共混法和反应挤出法制备了聚丙烯/聚苯乙烯/苯乙烯-丁二烯-苯乙烯三元共混物,并对它们的力学性能及微观形貌进行了研究. 实验表明,与简单共混制备的三元共混物相比,反应挤出制备的三元共混物拥有更高的拉伸强度、弯曲模量及冲击强度. 当聚丙烯,聚苯乙烯和苯乙烯-丁二烯-苯乙烯的质量比为80∶20∶5时,反应挤出三元共混物的综合性能最好,其拉伸强度为34.8 MPa,弯曲模量为1 396.7 MPa,冲击强度为4.3 kJ/m2. 对反应挤出三元共混物的微观形貌进行观察,发现其分散相尺寸明显减小,苯乙烯-丁二烯-苯乙烯包覆在聚苯乙烯表面,形成核壳粒子分散在基体内.
Abstract:
The polystyrene and styrene?butadiene?styrene thermoplastic elastomer were added in polypropylene for improving its mechanical properties. The polypropylene / polystyrene / styrene?butadiene?styrene ternary blends were prepared by melt blending and reactive extruding method, respectively, and both the mechanical and morphological properties were investigated. The results illustrate that the ternary blend prepared by the reactive extruding method has better mechanical properties than the one prepared by the melt blending method, and the comprehensive properties of ternary blend prepared by the reactive extruding method are best at the mass ratio of polypropylene, polystyrene to styrene?butadiene?styrene of 80∶20∶5, and the tensile strength, flexural strength and impact strength of which are 34.8 MPa, 1396.7 MPa and 4.3 kJ/m2, respectively. The observation of morphology of reactive extruding ternary blends shows that the size of dispersion decreases obviously, and the polystyrene is coated by styrene?butadiene?styrene copolymer,forming a core?shell particle in the polypropylene matrix.

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备注/Memo

备注/Memo:
收稿日期:2015-12-22基金项目:国家自然科学基金项目(51273154)作者简介:陈瑞骐,硕士研究生. E-mail:sharga@qq.com*通讯作者:江学良,博士,教授. E-mail:sjtujxl@163.com
更新日期/Last Update: 2016-02-27