| 纤维增强PET复合材料等温结晶行为的研究 |
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| 引用本文： | 刘森林,梁伯润.纤维增强PET复合材料等温结晶行为的研究[J].东华大学学报(自然科学版),1998(5). |
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| 作者姓名： | 刘森林 梁伯润 |
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| 作者单位： | 中国纺织大学材料学院 上海200051 |
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| 摘 要： | 用差示扫描量热法研究了玻璃纤维、碳纤维、Kevlar 浆粕等增强纤维对PET等温结晶动力学参数的影响,发现增强纤维的引入能促进PET的结晶,其效果与纤维种类有关,以碳纤维最好,Kevlar浆粕次之;玻璃纤维最差.同时还比较了等离子处理增强纤维及成核剂对PET结晶行为的影响.通过对体系的结晶形态研究发现,增强纤维的引入没有改变PET的结晶形态,但纤维表面的晶核密度比基体大而形成一层柱状的微晶区.
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| 关 键 词： | PET 等温结晶动力学 等离子处理 增强 形态 |
Study on the Isothermal Crystallization Behaviors of Fiber - reinforced PET Composites |
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| Liu Senlin,Liang Borun.Study on the Isothermal Crystallization Behaviors of Fiber - reinforced PET Composites[J].Journal of Donghua University,1998(5). |
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| Authors: | Liu Senlin Liang Borun |
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| Abstract: | The effect of fiber reinforcement on the isothermal crystallization of poly(ethylene terephthalate) (PET) is investigated by using differential scanning calorimetry (DSC) . Fiber reinforcement is seen to substantially increase the nu-cleation of PET, reflected by a decrease in crystallization half - time and this kind of reduction depends on the kinds of reinforcement fibers. The effect of plasma - treating and nucleating agents on the isothermal crystallization is also investigated . The crystalline morphology of PET in fiber - reinforced systems is studied using polarizing light microscopy and is found that PET has the same morphology with unreinforced PET, but the nucleation density is bigger than diat of the PET matrice. |
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| Keywords: | PET isothermal crystallization kinetics plasma - treating reinforcement morphology |
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