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首页> 外文期刊>Journal of Applied Polymer Science >Improving adhesion between aramid fibers and natural rubber through morphological and synthetic modification of the fibers
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Improving adhesion between aramid fibers and natural rubber through morphological and synthetic modification of the fibers

机译：通过纤维的形态学和合成改性改善芳族纤维和天然橡胶之间的粘附性

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In this article, we present new methods to improve the adhesion between poly(paraphenylene terephthalamide) fibers and a natural rubber for tire reinforcement. Fiber pretreatments are applied to create new surface morphologies on the fiber that enables enhanced adhesion between the fiber and rubber matrix. The pretreated fibers are then subject to treatments with coupling agents in the presence of supercritical carbon dioxide (scCO(2)) in an attempt to permeate the fiber surface and chemically bind the fiber to the rubber matrix. Shear lag analysis using a Kelly Tyson approach is compared to more refined models to evaluate optimum test parameters for fiber pull-out adhesion tests. The results show that the adhesion increases by approximately 100% when compared to conventional composites. Failure analysis of fiber surface reveals a suppression of interfacial failure. The effects of pretreatments on fiber properties are also characterized, and the optimization between fiber properties, fiber-matrix interface properties, and overall composite properties are discussed. (C) 2017 Wiley Periodicals, Inc.
机译：在本文中，我们提出了改善聚（对苯甲苯甲酰苯甲酰胺）纤维和轮胎加固天然橡胶之间的粘附方法的新方法。应用纤维预处理以在纤维上产生新的表面形态，使得能够在纤维和橡胶基质之间提高粘合性。然后预处理的纤维在存在超临界二氧化碳（SCCO（2））的情况下进行偶联剂的处理，试图渗透纤维表面并将纤维与橡胶基质化学结合。将使用kelly泰森方法进行剪切滞后分析与更精细的模型进行比较，以评估光纤拉出粘附测试的最佳测试参数。结果表明，与常规复合材料相比，粘合力增加约100％。纤维表面的失效分析显示抑制界面失效。还表征了预处理对纤维性质的影响，并讨论了纤维性能，纤维 - 基质界面性能和整体复合性质之间的优化。 （c）2017 Wiley期刊，Inc。

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