Phthalonitrile resins as one of the leading high performance polymers are currently used in highly exigent applications. Herein, aiming to achieve the best combination of mechanical, thermal, and nuclear shielding performances, we prepared hybrid materials based on the typical phthalonitrile resin and the silane surface modified chopped carbon fibers and tungsten carbide nanoparticles. The obtained results suggested that a synergistic combination between the three constituent was clearly achieved leading to excellent mechanical and gamma rays shielding properties. For instance, the tensile and bending strengths reached up to 505 and 584 MPa for the composite containing 20 and 30 wt% of carbon fibers and tungsten carbide nanoparticles, respectively. Similarly, the gamma rays screening ratio also reached the exceptional value of 39% for the same 2 cm thick hybrid. Finally, the as such described hybrid materials proved that a multi‐approach strategy is often the best solution to achieve the requirements of highly exigent applications.

中文翻译：

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具有先进机械和核屏蔽性能的混合邻苯二甲腈基材料

邻苯二甲腈树脂作为领先的高性能聚合物之一，目前用于高度紧急的应用中。在本文中，为了实现机械，热和核屏蔽性能的最佳组合，我们基于典型的邻苯二甲腈树脂，硅烷表面改性的短切碳纤维和碳化钨纳米粒子制备了混合材料。所获得的结果表明，清楚地实现了这三种成分之间的协同组合，从而导致了优异的机械和伽马射线屏蔽性能。例如，对于分别包含20重量％和30重量％的碳纤维和碳化钨纳米颗粒的复合物，拉伸强度和弯曲强度分别达到505和584MPa。相似地，对于相同的2 cm厚杂种，γ射线筛查率也达到了39％的特殊值。最终，如此描述的混合材料证明，多方法策略通常是满足高度紧急应用需求的最佳解决方案。