|本期目录/Table of Contents|

[1]汪凯,张顺花,林启松.超高分子量聚乙烯/聚丙烯复合材料的非等温结晶动力学研究[J].浙江理工大学学报,2018,39-40(自科4):429-435.
　WANG Kai,ZHANG Shunhua,LIN Qisong.Study of nonisothermal crystallization kinetics of ultrahigh molecular weight polyethylene /polypropylene composites[J].Journal of Zhejiang Sci-Tech University,2018,39-40(自科4):429-435.
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超高分子量聚乙烯/聚丙烯复合材料的非等温结晶动力学研究()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第39-40卷
期数:
2018年自科4期
页码:
429-435
栏目:
出版日期:
2018-07-10

文章信息/Info

Title:
Study of nonisothermal crystallization kinetics of ultrahigh molecular weight polyethylene /polypropylene composites
文章编号:
1673-3851 (2018) 07-0429-07
作者:
汪凯; 张顺花; 林启松
浙江理工大学材料与纺织学院、丝绸学院，杭州 310018
Author(s):
WANG Kai;  ZHANG Shunhua;  LIN Qisong
Silk Institute, College of Materials and Textiles, Zhejiang SciTech University, Hangzhou 310018, China
关键词:
超高分子量聚乙烯; 聚丙烯; 复合材料; 非等温结晶动力学
分类号:
TB33
文献标志码:
A
摘要:
采用低分子量白油溶胀超高分子量聚乙烯(Ultrahigh molecular weight polyethylene, UHMWPE)，再利用哈普混炼式转矩流变仪熔融共混制备了UHMWPE/PP复合材料。利用差示扫描量热仪研究了UHMWPE溶胀体对PP非等温结晶行为的影响，并分别用Jeziorny、Ozawa和Mo法对数据进行拟合处理。结果表明：复合材料中存在两种晶体，结晶时二者相互竞争，晶体完善程度降低，结晶峰宽化、结晶峰温度降低；UHMWPE溶胀体的加入降低了复合材料的熔体黏度，减弱了PP分子链的运动阻力，材料的结晶速率增大、半结晶时间减小，而Avrami指数未发生明显变化，晶体生长方式未发生改变；UHMWPE溶胀体添加量增大，复合材料的结晶速率先增大后减小；经Kissinger公式理论计算，当UHMWPE含量为1 wt%时，复合材料的结晶的活化能相对纯PP减少了16.34 kJ/mol，结晶能力增强。

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2018-01-04
网络出版日期： 2018-05-14
作者简介： 汪凯(1991- )，男，安徽铜陵人，硕士研究生，主要从事高分子材料改性、加工技术方面的研究
通信作者： 张顺花，E-mail：zshhzj@zstu.edu.cn
更新日期/Last Update: 2018-09-10