| 接触角法研究医用聚醚聚氨酯材料表面自由能与界面自由能 |
| |
| 引用本文： | 李品一,王建祺,沈优珍. 接触角法研究医用聚醚聚氨酯材料表面自由能与界面自由能[J]. 高分子学报, 1991, 0(3): 356-360 |
| |
| 作者姓名： | 李品一 王建祺 沈优珍 |
| |
| 作者单位： | 北京理工大学化工系,北京理工大学化工系,天津合成材料工业研究所 北京 100081,北京 100081,天津 300220 |
| |
| 摘 要： | <正> 表面性质在医用材料与生物体的相互作用中起着至关重要的作用,如血液相容性材料的表面对血细胞具有吸附、变形、凝血、溶血等作用。表面能和界面能是医用材料的重要研究内容之一,材料的表面能及其极性与非极性分量在影响或控制材料与生物体的相互作用之面一直是医用材料的重要课题。Raier曾提出当材料的临界表面张力在20-30erg/cm~2时,血液相容性好,也有人认为,血液与材料的界面自由能趋于零时,才能
|
| 关 键 词： | 表面自由能 界面 接触角 聚醚聚氨酯 |
| 收稿时间： | 1989-07-14 |
AN INVESTIGATION OF SURFACE AND INTERFACE FREE ENERGY OF BIOMEDICAL POLYETHER POLYURETHANES BY CONTACT ANGLE TECHNIQUE |
| |
| LI Pin-yi,WANG Jian-qi,SHEN You-zhen. AN INVESTIGATION OF SURFACE AND INTERFACE FREE ENERGY OF BIOMEDICAL POLYETHER POLYURETHANES BY CONTACT ANGLE TECHNIQUE[J]. Acta Polymerica Sinica, 1991, 0(3): 356-360 |
| |
| Authors: | LI Pin-yi WANG Jian-qi SHEN You-zhen |
| |
| Affiliation: | Beijing Institute of Technology; Beijing; Post code 1000881; Tianjin Industrial Institute of Synthetic Materials; Tianjin; Post code 300220 |
| |
| Abstract: | The surface properties of segmented polyether polyurethanes (SPEU) were studied by contact angle technique in this paper. Surface contact angle is measured by Kealble method and interfacial free energy is studed by the air/octane bubble method. It is revealed that "soft" Polyether PTMG and PEG have different effects on the air-facing surface and water-facing surface. The segment PEG component can decrease SPEU-water interfacial energy effectively and change the friction ratio vp/vd of surface energy of SPEUs. |
| |
| Keywords: | Surface free energy Interface Contact angle Polyether polyurelhane |
| 本文献已被 CNKI 维普 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》下载全文 |
