塑料科技2017，Vol.45Issue(4)：69-73,5.DOI:10.15925/j.cnki.issn1005-3360.2017.04.009
PHA/TiO2复合材料的结晶性能和力学性能研究
Investigation on Crystallization and Mechanical Properties of PHA/TiO2 Composites
徐伏 1王莉 1曹云丽1
作者信息
- 1. 平顶山学院化学与环境工程学院,河南平顶山467000
- 折叠
摘要
Abstract
Polyhydroxyalkanoate/titanium dioxide (PHA/TiO2) composites were prepared by blending methods.The effects of TiO2 content on crystallization and mechanical properties of PHA/TiO2 composites were studied.The results show that TiO2 can cause heterogeneous nucleation of PHA,and higher melting temperature (Tm) and heat enthalpy (ΔH) can be obtained by adding TiO2.The tensile strength at break and tensile yield strength of PHA/TiO2 composites increase first and then decrease with the increasing content of TiO2,and both the tensile strength at break and tensile yield strength can reach the maximum when TiO2 content is 5％.The elongation at break and work of fracture of PHA/TiO2 composites decrease first and then increase with the increasing content of TiO2.The impact strength also increases first and then decreases with the increasing content of TiO2.关键词
聚羟基脂肪酸酯/二氧化钛/结晶性能/力学性能Key words
Polyhydroxyalkanoate/Titanium dioxide/Crystallization properties/Mechanical properties分类
化学化工引用本文复制引用
徐伏,王莉,曹云丽..PHA/TiO2复合材料的结晶性能和力学性能研究[J].塑料科技,2017,45(4):69-73,5.
