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首页> 外文期刊>Polymer Composites >Improvement of the Interfacial Shear Strength of Poly(p-phenylene benzobisoxazole) Fiber/Epoxy Resin Composite via a Novel Surface Coating Agent
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Improvement of the Interfacial Shear Strength of Poly(p-phenylene benzobisoxazole) Fiber/Epoxy Resin Composite via a Novel Surface Coating Agent

机译：通过新型表面涂层剂提高聚对苯撑苯并双恶唑纤维/环氧树脂复合材料的界面剪切强度

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摘要

Poly(p-phenylene benzobisoxazole) (PBO) fiber with a smooth surface exhibits limited interfacial interaction with resin matrix. One of the effective strategies to improve the adhesion between the fiber and resin matrix is through surface modification of the fiber. In this study, we have proposed a novel surface treatment agent based on phosphoester cross-linked castor oil (PCCO) for effective surface treatment of PBO fibers. The surface treatment agent was prepared by a simple cross-linking reaction between hydroxy phosphorylated castor oil (PCO) and epoxy resin, with alcohol as the solvent at 65 degrees C. Once the PBO fiber was treated with this agent, the interfacial adhesion between the PBO fiber and the epoxy resin could then be improved. Systematic analyses suggest that the surface treatment with (PCO 1 epoxy)/alcohol solution improves the interaction of the PBO fiber with the epoxy resin matrix. The PCCO coated onto the surface of PBO fiber acts as a coupling agent, improving the interfacial shear strength (IFSS) of the PBO fiber/epoxy resin composite. Results indicate a 156% increase in IFSS without compromising the mechanical properties of the fiber. (C) 2014 Society of Plastics Engineers
机译：具有光滑表面的聚对苯撑苯并二恶唑（PBO）纤维与树脂基体的界面相互作用有限。改善纤维与树脂基体之间粘合性的有效策略之一是通过纤维的表面改性。在这项研究中，我们提出了一种基于磷酸酯交联的蓖麻油（PCCO）的新型表面处理剂，可对PBO纤维进行有效的表面处理。表面处理剂是通过羟基磷酸蓖麻油（PCO）与环氧树脂在65摄氏度下以醇为溶剂的简单交联反应制备的。一旦用该剂处理了PBO纤维，则其之间的界面粘合力然后可以改善PBO纤维和环氧树脂。系统分析表明，用（PCO 1环氧）/醇溶液进行表面处理可改善PBO纤维与环氧树脂基体的相互作用。涂覆在PBO纤维表面上的PCCO用作偶联剂，提高了PBO纤维/环氧树脂复合材料的界面剪切强度（IFSS）。结果表明，IFSS增加了156％，而没有损害光纤的机械性能。 （C）2014年塑料工程师学会

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