利用半代数聚酰胺-胺(PAMAM)和有机硅烷的酰胺化反应合成端基为三甲氧基硅的树状分子前驱体(PAMAM-OS),加入链状高分子聚己内酯(PCL),通过溶胶-凝胶法合成了二者不同质量比的PAMAM-SiOx-PCL三元杂化材料.红外光谱(FT-IR)表明杂化材料体系中PCL有机高分子与PAMAM-SiOx组分间具有较强的氢键键合作用；X射线衍射(XRD)测试表明前驱体经水解缩合形成的网络结构使杂化材料中PCL链的结晶能力下降；热失重(TGA)分析结果表明杂化体系中PCL的热分解起始温度变化不大而结束温度升高.
参考文献
| [1] | 吴安琪,王嵩,黄海琴,张彩敬,蔡如林,聂康明.树枝状线性杂化共聚物国内外研究进展[J].材料导报,2008(06):54-57,60. |
| [2] | Miao Zhimei;Cheng Sixue et al.Degradation and drug release property of star poly(ε-caprolactone)s with dendritic cores[J].J Bio Mater Res Part B:Appl Biomater,2007,81(01):40. |
| [3] | Oledzka, E.;Narine, S.S. .Organic acids catalyzed polymerization of ε-caprolactone: Synthesis and characterization[J].Journal of Applied Polymer Science,2011(4):1873-1882. |
| [4] | Petar R Dvornic;Agnes de M;Susan V Perz.Radially layered poly (amidoamine organosilicon) dendrimers[M].Midland:Michigan Molecular Institute,2010:135. |
| [5] | Dvornic PR.;Li JM.;de Leuze-Jallouli AM.;Reeves SD.;Owen MJ. .Nanostructured dendrimer-based networks with hydrophilic polyamidoamine and hydrophobic organosilicon domains[J].Macromolecules,2002(25):9323-9333. |
| [6] | 李文波,王金伟,杨槐.有机硅改性聚氨酯涂料的研究与应用[J].中国涂料,2005(02):17-18,42. |
| [7] | Herbert M;Brothers I I;Lars T Piehler et al.Slab-gel and capillary electrophoretic characterization of polyamidoarnine dendrimers[J].Journal of Chromatography A,1998,814(1-2):233. |
| [8] | 聂康明,庞文民,王雨松,朱清仁.非共价键合聚酯/SiO2杂化材料的制备与性能[J].应用化学,2004(12):1269-1272. |
| [9] | Nie Kangming;Pang Wenmin;Wang Yusong et al.Effects of specific bonding interactions in poly(ε-caprolactone)/silica hybrid materials on optical transparency and melting behavior[J].Materials Letters,2005,59(11):1325. |
| [10] | 李再峰;徐春明;殷树梅 .梯度固化聚氨酯脲中氢键的红外光谱分析[J].光谱学与光谱分析,2002,22(05):774. |
| [11] | 聂康明,庞文民,王雨松,鲁非,朱清仁.PCL/SiO2杂化纳米相微结构与晶态成核生长特性[J].化学物理学报,2005(06):1023-1028. |
| [12] | P.M. Remiro;M. Cortazar;E. Calahorra .The effect of crosslinking and miscibility on the thermal degradation of an uncured and an amine-cured epoxy resin blended with poly(ε-caprolactone)[J].Polymer Degradation and Stability,2002(1):83-93. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%