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首页> 外文期刊>Journal of Applied Polymer Science >Heat-Distortion Temperature of Unidirectional Polyethylene-Glass Fiber-PMMA Hybrid Composite Laminates
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Heat-Distortion Temperature of Unidirectional Polyethylene-Glass Fiber-PMMA Hybrid Composite Laminates

机译：单向聚乙烯-玻璃纤维-PMMA杂化复合层压板的热变形温度

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摘要

Unidirectional (UD) composite laminates based on high-performance poly-ethylene fibers (PEF) and glass fibers (GF) and their hybrids were prepared with partially polymerized methyl methacrylate (MMA) at room temperature,followed by heating at 55degC (well below the softening point of PEF,147degC) for 2 h.The heat distortion temperatures (HDT) of the composites were measured and analyzed.The dependency of the HDT correlated with the wettability of the fibers,measured from the contact angle.The HDT of the composites increased with increasing GF content but decreased when PEF was used.An optimum combination of different properties was obtained by using PEF/GF/PMMA hybrid composites,with GF ply/plies on the lower tension side of the UD laminates.
机译：基于高性能聚乙烯纤维（PEF）和玻璃纤维（GF）及其混杂物的单向（UD）复合层压板是在室温下与部分聚合的甲基丙烯酸甲酯（MMA）制备的，随后在55°C（远低于室温）下加热PEF的软化点，147°C）2 h。测量和分析复合材料的热变形温度（HDT）.HDT的依赖性与纤维的润湿性相关，从接触角测量。 PEF / GF / PMMA杂化复合材料可以在UD层压板的较低张力侧使用GF层/层，从而获得不同性能的最佳组合。

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