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PET/SiO2纳米复合材料的结晶和形貌研究
引用本文:阮长久,田兴友,崔平,郑瑾,张献,郑康,李勇.PET/SiO2纳米复合材料的结晶和形貌研究[J].高分子材料科学与工程,2007,23(4):159-162.
作者姓名:阮长久  田兴友  崔平  郑瑾  张献  郑康  李勇
作者单位:1. 中国科学院固体物理研究所材料物理重点实验室,安徽,合肥,230031
2. 中国科学院宁波材料技术与工程研究所,浙江,宁波,315040;中国科学院固体物理研究所材料物理重点实验室,安徽,合肥,230031
基金项目:国家高技术研究发展计划(863计划) , 浙江省宁波市自然科学基金
摘    要:利用X射线衍射仪、DSC和扫描电子显微镜研究了纳米SiO2不同含量的PET/SiO2复合材料在恒温条件下的结晶度、熔化温度和晶体形貌。结果发现,SiO2纳米粒子含量对复合材料的结晶速度有很大影响;球晶尺寸与SiO2纳米粒子添加量密切相关。

关 键 词:纳米复合材料  等温结晶  球晶  聚对苯二甲酸乙二醇酯  二氧化硅
文章编号:1000-7555(2007)04-0159-04
修稿时间:2006-03-21

Crystallization and Morphology of PET/SiO2 Nanocomposites
RUAN Chang-jiu,TIAN Xing-you,CUI Ping,ZHENG Jin,ZHANG Xian,ZHENG Kang,LI Yong.Crystallization and Morphology of PET/SiO2 Nanocomposites[J].Polymer Materials Science & Engineering,2007,23(4):159-162.
Authors:RUAN Chang-jiu  TIAN Xing-you  CUI Ping  ZHENG Jin  ZHANG Xian  ZHENG Kang  LI Yong
Affiliation:1. Ningbo Institute of Material Technology and Engineering, CAS, Ningbo 315040, China ; 2. Key Laboratory of Material, ISS P , CAS , Hefei 230031, China
Abstract:PET/SiO2 nanocomposites have been synthesized by direct polymerizing PET Monomer dispersed with organic modified silica nanocomposites.Under different crystallized time and crystallized temperature, the morphology and crystallization behavior of poly(ethylene terephthalate)/silica nanocomposites was studied.The morphology of nanocomposites isothermally crystallized was observed by SEM,The perfection of crystallized nanocomposites was analyzed by XRD.It is found that the weight percent of SiO2 affects nanocomposites crystallization,the crystallinity of PET increases along with crystallization time.The melting properties of PET/silica nanocomposites was learned by DSC.The size of spherulites changes along with the mass percent of silica increasing.
Keywords:nanocomposites  isothermally crystallized  spherulites  poly(ethylene terephthalate)  silica
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