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首页> 外文期刊>Journal of Applied Polymer Science >Effect of molecular weight and fiber diameter on the interfacial behavior in glass fiber/PP composites
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Effect of molecular weight and fiber diameter on the interfacial behavior in glass fiber/PP composites

机译：分子量和纤维直径对玻璃纤维/ PP复合材料界面行为的影响

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摘要

In this study, the effects of fiber diameter, molecular weight of the matrix polymer, and interfiber spacing in glass fiber-reinforced polypropylene composites were investigated on the interfacial microstructure. The influences of the surface state of the fiber and the heat-treatment condition on the interfacial morphology and the spherulitic formation process in the matrix were also investigated. Consequently, it was found that both the fiber diameter and molecular weight of the polymer significantly influence the thickness of the transcrystalline layer. Also, as the interfiber spacing becomes smaller, the spherulites in the matrix polymer are not seen to be formed between the transcrystalline layers developed on the glass-fiber surface. In addition, the radius of the largest spherulites in the matrix polymer was found to be about the same as the thickness of transcrystalline region and to largely depend on the holding time at the crystallization temperature and cooling condition (or rate). (C) 1998 John Wiley & Sons, Inc. [References: 17]
机译：在这项研究中，研究了纤维直径，基体聚合物的分子量以及玻璃纤维增​​强聚丙烯复合材料中纤维间距对界面微观结构的影响。还研究了纤维的表面状态和热处理条件对基体中界面形态和球状形成过程的影响。因此，发现聚合物的纤维直径和分子量均显着影响跨晶层的厚度。另外，随着纤维间的间隔变小，在玻璃纤维表面上形成的跨晶层之间看不到基体聚合物中的球晶。另外，发现基体聚合物中最大的球晶的半径与跨晶区的厚度大约相同，并且很大程度上取决于在结晶温度和冷却条件（或速率）下的保持时间。 （C）1998 John Wiley＆Sons，Inc. [参考：17]

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