以异佛尔酮二异氰酸酯（IPDI）、聚醚二元醇（PTMEG）和丙烯酸酯类单体为主要原料,三羟甲基丙烷（TMP）和自制的超支化聚氨酯（HBPU）为交联剂,合成了聚氨酯（PU）/聚丙烯酸酯（PA）水性乳液。热重分析（TGA）及动态力学分析（DMA）研究表明,采用两种交联剂合成的聚合物耐热性能相差不大,均具有良好的阻尼性能（阻尼因子tanδ约为0.75,tanδ〉0.3的温度范围约为60℃）;随着PA组份含量的增加,阻尼性能越好。
The emulsion of waterborne polyurethane /PA was prepared with isophorone diisocyanate,PTMEG,acrylate monomer as main material,trimethylolpropane and self-made hyperbranched polyurethane as cross-linking agent.Ther-mogravimetric analysis（TGA） and dynamic mechanical analysis（DMA） results showed that the heat resistance of polymers with two different cross-linking agents was little difference,and the damping properties was good when damping factor tanδ was about 0.75,the temperature range of tanδ greater than 0.3 was about 60℃.And the damping properties was better with the increasing contents of PA.
参考文献
| [1] | 李德良,王宝柱,刘东晖,刘培礼.阻尼材料的发展及其在舰船上的应用[J].现代涂料与涂装,2009(02):25-27. |
| [2] | Trakulsujaritchok T;Hourston DJ .Damping characteristics and mechanical properties of silica filled PUR/PEMA simultaneous interpenetrating polymer networks[J].European Polymer Journal,2006(11):2968-2976. |
| [3] | 郝名扬,梁红波,管静,陈雅铭,熊磊,钟卫.超支化聚氨酯阻尼涂层的制备及性能[J].高等学校化学学报,2009(01):215-220. |
| [4] | 胡聪,姜志国,杜卫超,刘军,李效玉.含受阻酚侧链的聚氨酯阻尼性能研究[J].聚氨酯工业,2009(01):10-13. |
| [5] | Inoue K. .Functional dendrimers, hyperbranched and star polymers[J].Progress in Polymer Science,2000(4):453-571. |
| [6] | 麦堪成;曾汉民.高聚物的液一液转变(T^11)[J].高分子材料科学与工程,1988(01):1-12. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%