制备了不同羟基磷灰石(HA)质量百分含量的PVA/HA水溶液,研究了HA含量对水溶液微结构和流变性的影响.通过应力流变仪表征了样品的线性和非线性粘弹性.实验发现HA粒子的加入对PVA溶液的流变性产生了很大的影响.由剪切变稀系数分析了HA在聚乙烯醇(PVA)水溶液中的分散情况.通过不同HA含量PVA水溶液末端区储能模量的数值和斜率变化分析得到了PVA/HA体系的逾渗阈值.由PVA/HA的非线性蠕变-回复试验发现,HA的加入使溶液的柔量变大,并对其弹性回复率产生了较大的影响.
参考文献
| [1] | Li hongbin;Zhang Wenke .Hydrogen Bonding Governs the Elastic Properties of Poly(vinylalcohol) in Water: Single-Molecule Force Spectroscopic Studies of PVA by AFM[J].Macromolecules,2000(2):465-469. |
| [2] | 高瀚文,杨荣杰,何吉宇.聚乙烯醇水凝胶与聚乙烯薄膜的表面粘接[J].高分子材料科学与工程,2008(11):66-69. |
| [3] | Ren JX.;Krishnamoorti R.;Silva AS. .Linear viscoelasticity of disordered polystyrene-polyisoprene block copolymer based layered-silicate nanocomposites[J].Macromolecules,2000(10):3739-3746. |
| [4] | Reinhard Wagener;Thomas J.G.Reisinger .A rheological method to compare the degree of exfoliation of nanocomposites[J].Polymer: The International Journal for the Science and Technology of Polymers,2003(24):7513-7518. |
| [5] | Lyoo WS;Lee SJ;Kim JH;Noh SK;Ji BC;Kim BC .Effect of molecular weight on the rheological properties of atactic poly(vinyl alcohol)/dimethylsulfoxide/water solution[J].Journal of Applied Polymer Science,2004(1):41-46. |
| [6] | Chotpattananont D;Sirivat A;Jamieson AM .Creep and recovery behaviors of a polythiophene-based electrorheological fluid[J].Polymer: The International Journal for the Science and Technology of Polymers,2006(10):3568-3575. |
| [7] | Muenstedt H;Katsikis N;Kaschta J .Rheological Properties of Poly(methyl methacrylate)/Nanoclay Composites As Investigated by Creep Recovery in Shear[J].Macromolecules,2008(24):9777-9783. |
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%