2002年论文 2002年论文

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1. H. T. Bu, J. H. Rong, Z. Z. Yang*, "Template synthesis of polyacrylonitrile-based ordered macroporous materials and their derivatives", Macromol. Rapid Commun. 2002, 23, 8, 460-464.
Ordered macroporous polyacrylonitrile (mPAN) materials with 101–103 nm pore diameter were prepared by radical polymerization using colloidal silica as a template followed by removal of the template.


2. D. Qiu, J. Li, Z. Z. Yang*, "Waterborne dispersions of a polymer-encapsulated inorganic particle nanocomposite by phase-inversion emulsification", Macromol. Rapid Commun. 2002, 23, 8, 479-483.
Inorganic silica nanoparticles were encapsulated with an epoxy resin to give waterborne nanocomposite, using the phase-inversion emulsification technique. Sub-micron-sized waterborne particles with narrow size distribution were prepared such.

 


 

3. J. H. Rong, Z. Z. Yang*, "Preparation and characterization of confined atactic polystyrene in ordered silica/polystyrene composites", Macromol. Mater Eng. 2002, 287, 1, 11-15.
Ordered silica/polystyrene compositeswere prepared via radical polymerization in silica colloidalcrystal templates, and ordered macroporous polymerswere accordingly obtained after removing the silica templates.
 

4. D. Li, J. H. Rong, W. D. Yan, Z. W. Niu, Z. Z. Yang*, "Opal hydrogels derived by sulfonation of polystyrene colloidal crystals", Macromol. Mater. Eng. 2002, 287, 9, 627-633.
Opal hydrogels were prepared by sulfonation of dry polystyrene (PS) colloidal crystals with sulfuric acid, in which the introduced sulfonic acid and sulfone groups were responsible for the hydrophilic and crosslinked performances, respectively.


 
 

6. 阎卫东, 李丹, 容建华, 杨振忠*, "二氧化硅胶体晶模板技术制备间规聚苯乙烯有序孔材料", 高等学校化学学报 2002, 23, 330-332.
本文以有序二氧化硅胶体晶为模板,在其空间内进行间规聚苯乙烯的合成研究,重点考察了反应的可行性及其产物的形态,为研究聚合物在亚微米空间的受限形成和分子链结构奠定了基础.
 

7. 步怀天, 杨振忠*, 章云祥, "氟碳改性聚丙烯酰胺共聚物的溶液性质", 化学学报 2002, 60, 1707-1711.
研究了氟碳链改性的聚丙烯酰胺水溶液的溶液性质及其对盐浓度的依赖性,重点考察了氟碳疏水组分含量盐浓度对特性粘数的影响,以及粘度随剪切速率和温度的变化关系,结果表明聚合物溶液的粘度随盐的引入而增大, 但在两种溶液中最小值对应的共聚单体含量一致.
 

8. 齐凯, 杨振忠*, 杨运信, 赵得禄, "模板技术制备单块介孔分子筛", 高等学校化学学报 2002, 23, 339-341.
本文采用改进的溶胶-凝胶法,并以表面活性剂自组装形成的超分子结构为模板,合成了一种介孔二氧化硅单块,并用X射线衍射,热重分析,透射电镜和等温氮吸附等手段表征了改进溶胶-凝胶过程及其产物结构.
 

9. 邱东, 杨振忠*, "无皂相反转乳化法制备高分子水基分散体系", 高等学校化学学报 2002, 23, 327-329.
我们曾开展了无皂相反转乳化技术的研究,发现当体系含固化剂时,只要含少量乳化剂,就能成功实现相反转, 为了成功地进行相反转,从而实现利用无皂相反转乳化技术制备无皂聚合物乳液,本文重点考察了无皂相反转乳化法制备环氧树脂的水基乳液的可行性.
 

10. 邱东, 李君, 杨振忠*, "相反转乳化技术制备环氧树脂交联多孔微球", 高分子学报 2002, 5, 699-702.
本文主要探讨实现不完全相反转乳化的可行性,以制备交联环氧树脂多孔微球,并且对其形态和固化行为进行了初步表征.



 

11. 牛忠伟, 李丹, 杨振忠*, "核壳结构三维有序水凝胶的制备", 高分子学报 2002, 1, 850-853.
本文报道一种制备核壳型三维有序凝胶新方法,即通过种子乳液聚合制备单分散核壳乳胶微粒,然后室温成膜并交联,得到核壳结构乳胶膜,在此基础上对上述乳胶膜进行化学改性,将连续相转变为凝胶,即制备了一种具有核壳型结构的三维有序聚合物水凝胶.
 

12. 容建华, 杨振忠*, "聚合物有序孔凝胶模板制备三维有序二氧化钛材料", 科学通报 2002, 47, 1385-1389.
以聚合物有序大孔凝胶为模板,结合溶胶/凝胶过程合成了三维有序二氧化钛材料,重点研究了聚合物凝胶组成对无机材料形态的影响, 当凝胶网络中不含酸时, 得到无机单分散微球有序排列的结构, 当聚合物凝胶含有酸时, 得到无机有序孔材料, 分析了酸在无机物的溶胶/凝胶过程中的催化作用和对产物结构的影响.