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Pureland

木虫之王 (知名作家)

[资源] 聚合物复合材料——环氧树脂复合物：耐冲击和阻燃性能（英文版）

Debdatta Ratna, «Epoxy Composites: Impact Resistance and Flame Retardancy: Rapra Review Report 185»

A composite is defined as a combination of two or more materials with a distinguishable interface. The urge to improve the properties of composite materials, has prompted materials scientists to investigate composites with lower and lower reinforcement size, leading to the development of microcomposites and the recent trend in composite research is nanocomposites (with nanometer scale reinforcements). Polymer matrix composite (PMC) can be processed at a much lower temperature, compared to composites with other types of matrix. Depending on the types of polymer matrices, PMC are classified as thermosetting composites and thermoplastic composites. In this present review, thermosetting composites with epoxy matrices will be discussed in detail. Over the last three decades, the use of PMC, has increased tremendously and this dramatic growth is expected to continue in the future. The composites possess many useful properties such as high specific stiffness and strength, dimensional stability, adequate electrical properties and excellent corrosion resistance. The implications are easy transportability, high payload for vehicle, low stress for rotating parts, high ranges for rockets and missiles, which make them attractive for both the civil and defense applications. The composite industry is currently dominated by thermosetting resins namely epoxy, vinyl ester, unsaturated polyester, phenolic, polyimides, cyanate ester etc. This is because of their availability, relative ease of processing, lower cost of capital equipment for processing and low material cost. Topics covered include:Thermosetting Composites,Epoxy Resins,Impact Resistant Epoxy Composites,Modification of Epoxy Matrix,Nanoreinforcement of Epoxy,Simultaneous Nanoreinforcement and Toughening,Fire Retardant Epoxy Composites,Fire Retardant Resin Composition.This review will be of interest to anyone who manufactures or plans to use epoxy composites. This detailed and state-of-the-art review is supported by an indexed section containing approximately 300 key references and abstracts selected from the Polymer Library.
Smithers Rapra Technology | ISBN: 1847350658 | 2007-08-13 | PDF | 136 pages | 1.27 MB[ Last edited by Pureland on 2012-7-25 at 14:20 ]

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附件 1 : EpoxyCompositesImpactResistanceandFlameRetardancy.pdf

2012-07-25 14:20:10, 1.38 M

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书籍下载网站	材料学科书籍收藏	国外专业电子书1	淘贴淘宝
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理工科学生的资源收集	复合材料	文献参考	非晶与材料
待下载	有机物化和高分子	喜欢的	二零一五
复合材料

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1楼2012-07-25 12:04:18

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zaibeing

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★★★ 三星级,支持鼓励

看着复合材料的只是很多的，我觉得来这里来对了，希望大家能多多提携。我是广州PE微粉在SMC、BMC和拉挤工艺中是一种特别有效的基本添加剂，它作为一种性能优异的低收缩添加剂，具有许多比其它类低收缩剂优越的性能。控制收缩，比传统的低收缩剂添加量少，提高制品的尺寸稳定性；能改善制品的外观，使颜色均匀，表面细腻，显著增加制品的光亮度；能减少微裂纹的形成，减少应力开裂，增加制品的韧性，极大减少生产过程中的废品损失，在拉挤工艺中，大大减少乃至消除生产过程中的结疤、掉渣、剥皮等现象。对于大型或复杂型材拉挤中常出现的沟痕问题也能有很大的改善；使拉挤过程更加顺畅，减少堵模及其它意外停机现象。由于PE粉卓越的性能，使得生产的废品率大大减少，从而降低了成本。