Ethylene-vinyl acetate copolymer (EVA) is a kind of thermoplastic resin with wide range of application. However, the enhancement of thermal resistance properties of EVA is still challenging. Herein, an effective approach is reported for the preparation of graphene nanosheets intercalated magnesium silicate (MS@GN) hybrids, which were employed as nano-additives for improving the thermal resistance properties and thermal conductivity of EVA. By controlling the content of MS@GN, 0.2 wt% of MS@GN in EVA composites showed enhanced thermal stability in terms of elevated decomposition temperature and enlarged storage modulus and thermal conductivity when compared with neat EVA. Especially, MS@GN has versatile advantages, such as thermally conductive network from the orderly intercalated graphene, high contacted area from the highly opened magnesium silicate, and desired dispersibility of MS@GN in the polymer matrices. Therefore, the MS@GN showed great potential for boosting the high temperature adaptation of EVA.

乙烯-乙酸乙烯酯共聚物（EVA）是一种用途广泛的热塑性树脂。然而，增强EVA的耐热性仍然是挑战。本文报道了一种制备石墨烯纳米片插层硅酸镁（MS @ GN）杂化物的有效方法，该杂化物被用作纳米添加剂以改善EVA的耐热性和导热性。通过控制MS @ GN的含量，与纯EVA相比，EVA复合材料中0.2wt％的MS @ GN显示出更高的分解温度，更大的储能模量和导热率，从而提高了热稳定性。特别是，MS @ GN具有多种优势，例如来自有序插层石墨烯的导热网络，高度开放的硅酸镁具有高的接触面积，以及MS @ GN在聚合物基质中的所需分散性。因此，MS @ GN在增强EVA的高温适应性方面显示出巨大潜力。