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首页> 外文会议>Society for Biomaterials Transaction Annual Meeting vol.29 pt.2 >Interfacial Bonding and Mechanical Properties of Polyurethane Composites under Wet Conditions
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Interfacial Bonding and Mechanical Properties of Polyurethane Composites under Wet Conditions

机译：湿润条件下聚氨酯复合材料的界面结合和力学性能

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摘要

There was no chemical coupling between fibers and polyurethane in the present study. The carbon fiber and the coated glass fiber had relatively hydrophobic surfaces, and both showed good interfacial bonding. The surface of the uncoated glass fiber was relatively hydrophilic and it delaminated from polyurethane. It is reasonable to speculate that the hydrophobic surface attributed to the good bonding. Hydrophobic surfaces may expel water and form a water-depletion (or 'dry') layer at the filler-polymer interface, which may allow the interfacial bonding under wet conditions to be similar to that under dry conditions.
机译：在本研究中，纤维和聚氨酯之间没有化学偶联。碳纤维和涂覆的玻璃纤维具有相对疏水的表面，并且都显示出良好的界面粘合。未涂覆的玻璃纤维的表面是相对亲水的，并且它与聚氨酯分层。合理地推测疏水表面归因​​于良好的结合。疏水表面可排出水并在填料-聚合物界面处形成缺水（或“干”）层，这可允许在潮湿条件下的界面键合与干燥条件下的界面键相似。

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