石素宇;杨秀琴;赵康;冯孟非;燕世林;

• 1:河南工程学院材料与化学工程学院
• 2:郑州大学材料科学与工程学院

摘要(Abstract)：

通过微注射成型技术制备了线性低密度聚乙烯/多壁碳纳米管(LLDPE/MWCNTs)超薄制品,分别在55,70,85,100℃下退火3h。通过拉伸测试、差示扫描量热分析和X-射线衍射表征考察了退火对LLDPE/MWCNTs制品结构及力学性能的影响。结果表明:退火显著提高了LLDPE/MWCNTs超薄制品的拉伸强度和断裂韧性。退火诱导新晶体的形成,促进初级晶体的完善,提高制品的结晶度。基于微结构的变化,讨论了退火后LLDPE/MWCNTs超薄制品的增强增韧机理。

关键词(KeyWords)： 退火;微注射成型;线性低密度聚乙烯;多壁碳纳米管;超薄制品;增强;增韧

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51173171);; 河南工程学院博士基金项目(D2015018)

作者(Authors): 石素宇;杨秀琴;赵康;冯孟非;燕世林;

DOI: 10.19690/j.issn1004-3055.20180004

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