利用聚偏氟乙烯(PVDF)微小结晶的物理交联点作用,制备了形状记忆性能优异的聚偏氟乙烯/丙烯酸酯聚合物(PVDF/ACM)共混材料.为提高其形状回复应力,又将碳纳米管(CNT)引入该共混体系中,系统研究了PVDF/ACM/CNT三元体系纳米复合材料的制备、结构及性能.结果表明,碳纳米管在PVDF/ACM体系中分散均匀；在基本保持其形状记忆性能的前提下,加入质量分数为4％的CNT,材料在25℃时的储能模量由2000 MPa提高至3130 MPa.
参考文献
| [1] | Lendlein A,Langer R.Biodegradable,Elastic Shape-Memory Polymers for Potential Biomedical Applications[J].Science,2002,296:1673-1678. |
| [2] | Wel Z G,Sandstrom R,Mlyazaki S.Shape-memory Materials and Hybrid Composites for Smart Systems:Part Ⅰ Shapememory Materials[J].J Mater Sci,1998,33(15):3743-3762. |
| [3] | Kolesov I S,Radusche H J.Multiple Shape-memory Behavior and Thermal-mechanical Properties of Peroxide Cross-linked Blends of Linear and Short-chain Branched Polyethylenes[J].Express Polym Lett,2008,(2):461-473. |
| [4] | Sajkiewicz P,Phillips P J.Peroxide Crosslinking of Linear Low-density Polyethylenes with Homogeneous Distribution of Short Chain Branching[J].J Polym Sci Polym Chem,1995,33(5):853-862. |
| [5] | Xie T.Tunable Polymer Multi-shape Memory Effect[J].Nature,2010,464(7286):267-270. |
| [6] | Wang W,Jin Y,Ping P,et al.Structure Evolution in Segmented Poly (ester urethane) in Shape-Memory Process[J].Macromolecules,2010,43(6):2942-2948. |
| [7] | Ohki T,Ni Q,Ohsako N.Mechanical and Shape Memory Behavior of Composites with Shape Memory Polymer[J].Composites,2004,35 (9):1065-1073. |
| [8] | You J,Dong W,Zhao L,et al.Crystal Orientation Behavior and Shape-Memory Performance of Poly(vinylidene fluoride)/Acrylic Copolymer Blends[J].J Phys Chem B,2012,116:1256-1264. |
| [9] | Baskaran R,Selvasekarapandian S,Kuwata N,et al.AC Impedance,DSC and FT-IR Investigations on (x)PVAc-(1-x)PVdF Blends with LiClO4[J].Mater Chem Phys,2006,98(1):55-61. |
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%