| 提高聚氨酯表面硅橡胶涂层粘接性研究 |
| |
| 引用本文： | 王婧,蒋天莹,连彦青,庹新林.提高聚氨酯表面硅橡胶涂层粘接性研究[J].高分子学报,2010,0(1):15-21. |
| |
| 作者姓名： | 王婧 蒋天莹 连彦青 庹新林 |
| |
| 作者单位： | 清华大学化工系,材料科学与工程研究院,北京,100084 |
| |
| 基金项目： | 国家高技术研究发展计划(863计划,项目号2006AA02Z4D4)资助项目 |
| |
| 摘 要： | 利用表面处理并借助硅烷偶联剂大幅提高了聚氨酯/硅橡胶(PU/SR)的界面粘接性.利用红外光谱、水接触角以及表面元素分析对PU表面处理效果及偶联剂的反应效果进行检测,利用扫描电镜对材料的表面形貌及界面情况进行观察.并对不同方法得到的PU/SR界面进行剪切和振动疲劳测试以考察其粘接效果并进行比较.结果表明,经过硫酸短时处理过的PU表面生成大量羟基,使得亲水性提高,并大大增强了端异氰酸酯基硅烷偶联剂与PU的接枝反应效果.当室温缩合固化的硅橡胶预聚体涂覆到其表面后,以化学键联接在PU表面的硅烷偶联剂又可以与硅橡胶一起缩合,从而有效的提高了PU/SR的界面粘接性.
|
| 关 键 词： | 聚氨酯 硅橡胶 硅烷偶联剂 粘接性 |
| 收稿时间： | 2008-12-18 |
IMPROVING ADHESION OF SILICONE RUBBER COATING TO POLYURETHANE SURFACE |
| |
| WANG Jing,JIANG Tianying,LIAN Yanqing,TUO Xinlin.IMPROVING ADHESION OF SILICONE RUBBER COATING TO POLYURETHANE SURFACE[J].Acta Polymerica Sinica,2010,0(1):15-21. |
| |
| Authors: | WANG Jing JIANG Tianying LIAN Yanqing TUO Xinlin |
| |
| Institution: | Department of Chemical Engineering;School of Materials Science and Engineering;Tsinghua University;Beijing 100084 |
| |
| Abstract: | Surface modification of polyurethane(PU) by appropriate treatment and introducing silane coupling agent to PU surface was used to improve the adhesion of PU to silicone rubber(SR).FTIR and X-ray energy spectrometer were employed to investigate the surface treatment and graft reaction of silane coupling agent,while surface morphology and properties of materials were characterized by scanning electron microscopy and water contact angle.Different PU/SR interfaces after oscillation and shear were compared as we... |
| |
| Keywords: | Polyurethane Silicone rubber Silane coupling agent Adhesion |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《高分子学报》浏览原始摘要信息 |
| 点击此处可从《高分子学报》下载免费的PDF全文 |
