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Effect of Interphase on Hydrothermal Aging of Glass Fiber Reinforced Unsaturated Polyester Composite

机译：相互作用对玻璃纤维增​​强非饱和聚酯复合材料水热老化的影响

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This study dealt with the effect of binder on hydrothermal aging of glass fiber reinforced unsaturated polyester composite. The glass fiber rovings with different types (composition and amount) of binder were used as the reinforcement in order to examine the effect of binder on the interfacial degradation. By using these fiber rovings, unidirectional glass fiber roving reinforced unsaturated polyester composite rods were prepared and they were immersed in distilled water at 95°C. The weight changes due to water immersion were not sensitive to the amount of binder, however, they depended on the composition of binder. In the composite with the binder for chopped strand mat, the water penetrated to the dissolved interface, and as a result, the weight gain showed remarkable increase at longer immersion time. In the composite with the binder for continuous strand mat, the dissolution of the binder occurred at the vicinity of the specimen edges, and such dissolved region did not keep the water inside the material. As a result, the weight gain of this composite was lower than the others.
机译：该研究涉及粘合剂对玻璃纤维增​​强不饱和聚酯复合材料水热老化的影响。用不同类型（组合物和量）的粘合剂的玻璃纤维胶质用作增强，以检查粘合剂对界面降解的影响。通过使用这些纤维粗纱，制备单向玻璃纤维粗腐蚀的不饱和聚酯复合杆，将它们浸入95℃的蒸馏水中。然而，由于水浸没的重量变化对粘合剂的量不敏感，但它们依赖于粘合剂的组成。在用粘合剂的复合物中用于切碎的股垫，水渗透到溶解界面，结果，重量增益显示在较长的浸入时间下显着增加。在用粘合剂的复合材料中用于连续股垫，粘合剂的溶解在样品边缘附近发生，并且这种溶解区域没有将水容纳在材料内。结果，该复合材料的重量增益低于其他复合物。

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