高等学校化学学报

高等学校化学学报 ›› 2009, Vol. 30 ›› Issue (12): 2487.

• 研究论文 • 上一篇    下一篇

聚丙烯酸控制合成的聚合物/二氧化硅复合纳米球

李丽颖1,2, 王金桂2, 陈铁红2   

  1. 1. 天津工业大学材料科学与化学工程学院, 天津 300160;
    2.南开大学化学学院新催化材料研究所, 天津市能源材料化学重点实验室, 天津 300071
  • 收稿日期:2009-05-10 出版日期:2009-12-10 发布日期:2009-12-10
  • 通讯作者: 陈铁红, 男, 教授, 主要从事自组装纳米材料研究. E-mail: chenth@nankai.edu.cn
  • 基金资助:

    国家自然科学基金(批准号: 20373029)资助.

Composite Nanospheres of PAA/silica Controlled by Anionic Polymer

LI Li-Ying1,2, WANG Jin-Gui2, CHEN Tie-Hong2*   

  1. 1. School of Materials Science and Engineering, Tianjin Polytechnic University, Tianjin 300160, China;
    2. Tianjin Key Laboratory of Energy Material Chemistry, Institute of New Catalytic Materials Science, College of Chemistry, Nankai University, Tianjin 300071, China
  • Received:2009-05-10 Online:2009-12-10 Published:2009-12-10
  • Contact: CHEN Tie-Hong. E-mail: chenth@nankai.edu.cn
  • Supported by:

    国家自然科学基金(批准号: 20373029)资助.

PDF (PC)

被引次数

2

摘要：

以3-氨丙基三甲氧基硅烷(APMS)和正硅酸乙酯(TEOS)为硅源, 与阴离子聚合物聚丙烯酸(PAA)链之间通过S-N+-I-机理组装合成了聚丙烯酸-二氧化硅(PAA/SiO2)复合纳米球. SEM, TEM, TG和FTIR表征结果表明, 合成的纳米球是聚丙烯酸和二氧化硅复合物, 平均直径约为80 nm. 在合成PAA/SiO2复合纳米球的体系中, 加入不同量的有机溶剂THF能够调控复合球的尺度.

关键词: 阴离子聚合物; 聚丙烯酸; 二氧化硅; 复合纳米球

Abstract:

The anionic polymer, poly(acrylic acid)(PAA), was used to synthesize composite nanospheres of PAA/silica with 3-aminopropyltrimethoxysilane(APMS) and tetraethyl orthosilicate(TEOS) as silica source. In the synthesis, the assembly of PAA, APMS and TEOS follows the mechanism of the anionic surfactant templated mesoporous silica(AMS) through a S-N+-I- pathway, where S stands for the anionic PAA, I stands for inorganic precursors(TEOS) and N stands for co-structure-directing agent(APMS). The results of SEM, TEM, TG and FTIR show that the average size of composite nanospheres of PAA/silica is 80 nm. Furthermore, it was proved that addition of organic solvent such as THF could tune the size of the composite spheres.

Key words: Anionic polymer; Poly(acrylic acid); Silica; Composite nanosphere

TrendMD: