Synthesis, Structure, and Properties of High-Impact Polystyrene/Octavinyl Polyhedral Oligomeric Silsesquioxane Nanocomposites

被引：17
作者：
Hu, Kun [1 ]
Cui, Zhong-Kai [2 ]
Yuan, Yongliang [1 ]
Zhuang, Qixin [1 ]
Wang, Tongxin [1 ]
Liu, Xiaoyun [1 ]
Han, Zhewen [1 ]
机构：
[1] E China Univ Sci & Technol, Sch Mat Sci & Engn, Dept Polymer Sci, Minist Educ,Key Lab Specially Funct Polymer Mat &, Shanghai 200237, Peoples R China
[2] Univ Montreal, Dept Chem, CP-6128,Succ Ctr Ville, Montreal, PQ H3C 3J7, Canada
来源：
POLYMER COMPOSITES | 2016年 / 37卷 / 04期
基金：
中国国家自然科学基金;
关键词：
HYBRID NANOCOMPOSITES; THERMAL-PROPERTIES; MECHANICAL-PROPERTIES; EPOXY NETWORKS; POSS; COPOLYMERS; MORPHOLOGY; POLYPROPYLENE; POLYMERS;
D O I：
10.1002/pc.23265
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
The organic-inorganic hybrid nanocomposites from high-impact polystyrene/octavinyl polyhedral oligomeric silsesquioxane (HIPS/POSS) containing various percentages of POSS were prepared by free radical polymerization and characterized by Fourier transform infrared spectroscopy (FTIR), H-1-NMR, thermal gravity analysis (TGA), X-ray diffraction (XRD), and transmission electron microscopy (TEM). The octavinyl POSS has formed covalent bond connected PS-POSS hybrid with polystyrene. POSS can well disperse in the composites at the composition of 0.5 and 1 wt%. The mechanical properties and thermostability of HIPS/POSS nanocomposites were significantly improved. The tensile strength, the izod impact strength, and the elongation at break of the nanocomposite containing 1 wt% of POSS was increased, respectively, by 15.73%, 75.62%, and 72.71% in comparison with pristine HIPS. The thermal decomposition temperature of HIPS/POSS (1 wt% of POSS) was 33 degrees C higher than that of pristine HIPS. The HIPS/POSS nanocomposites showed great potential for applications in many fields, such as electric appliance and automotive trim. (C) 2014 Society of Plastics Engineers
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收藏
页码：1049 / 1055
页数：7
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