Studies on Organic-Inorganic Interpenetrating Network Nanocomposites Based on Mesoporous Molecular Sieve MCM-41
Luo, P; Xu, M; Wang, SH; Xu, Y; Cao, XZ; Zhang, P; Cao XZ(曹兴忠); Zhang P(张鹏)
刊名ACTA POLYMERICA SINICA
2016
期号6页码:760-768
关键词MCM-41 Epoxy Organic-inorganic interpenetrating network Free volume
DOI10.11777/j.issn1000-3304.2016.15314
其他题名基于介孔分子筛MCM-41“有机-无机”互穿结构纳米复合材料体系研究
文章类型期刊论文
英文摘要The silane coupling agent (KH550) was applied to modify the surface of MCM-41 and then the nitrogen absorption-desorption, Fourier transform infrared spectroscopy (FTIR) and small angel X-ray diffraction (XRD) were used to investigate the MCM-41 before and after modification. The results show that the KH550 molecules were introduced into the rianopores of MCM-41, and the -NH2 group was grafted on the nanopore surface of MCM-41 particles. Besides, the gel permeation chromatography (GPC) was used to measure the epoxy relative molecular mass. The in situ method was used to cure epoxy composite with different KH550 modified MCM-41 contents. After that, the MCM-41/EP composite was measured by different tests, including positron annihilation lifetime spectroscopy (PALS) which was applied to measure the composite free volume, and the TEM, dynamic mechanical analysis (DMA) and alternate current (AC) breakdown test were used to indicate the composite macroscopic propertes. The TEM result shows that MCM-41 could be dispersed well in epoxy at contents lower than 1. 5% while agglomerate at 2. 5% content. The PALS results show that the epoxy molecules were introduced into and partly occupied the mesoporous channels by the applied force and functional effect of KH550. Then, an organic-inorganic interpenetrating network nanocomposite system could be formed. Therefore the glass transition temperature (15. 1% up arrow) and breakdown strength (22. 6% up arrow) of the composites were improved at low MCM-41 contents.
类目[WOS]Polymer Science
关键词[WOS]COMPOSITES ; POLYMERS ; BEHAVIOR
语种中文
WOS记录号WOS:000382601400011
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260393
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Luo, P,Xu, M,Wang, SH,et al. Studies on Organic-Inorganic Interpenetrating Network Nanocomposites Based on Mesoporous Molecular Sieve MCM-41[J]. ACTA POLYMERICA SINICA,2016(6):760-768.
APA Luo, P.,Xu, M.,Wang, SH.,Xu, Y.,Cao, XZ.,...&张鹏.(2016).Studies on Organic-Inorganic Interpenetrating Network Nanocomposites Based on Mesoporous Molecular Sieve MCM-41.ACTA POLYMERICA SINICA(6),760-768.
MLA Luo, P,et al."Studies on Organic-Inorganic Interpenetrating Network Nanocomposites Based on Mesoporous Molecular Sieve MCM-41".ACTA POLYMERICA SINICA .6(2016):760-768.
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