Research progress in the construction of MXene-based flame retardant system and its application in polymer flame retardant modification
MXene,a category of eco-friendly and sustainable two-dimensional nanomaterials,has garnered significant attention for its remarkable physicochemical attributes,positioning it as a promising candidate for a myriad of applications.Notably,within the domain of flame retardancy,MXene and its composites have been integrated into diverse substrates via incorporation and surface coating techniques,thereby significantly augmenting their fire-resistant capabilities.This review synthesizes the burgeoning body of literature pertaining to MXene's role in flame retardancy,encompassing the pristine MXene-based flame retardant systems,the chemo-functionalization of MXene with flame retardant-laden small molecules and polymers,and the dimensional expansion of flame retardant properties through the construction of heterostructures ranging from mono-to tri-dimensional configurations.The utility of MXene across an array of substrates,including films,textiles,foams,aerogels,and lignocellulosic materials,is examined,highlighting its dual capacity to confer flame retardancy and to imbue substrates with additional functionalities,such as electromagnetic interference shielding and thermal regulation.The review concludes with an exploration of the prospective trajectory for the evolution of MXene-based flame retardant materials,underscoring their pivotal role in the enhancement of material's multifaceted performance and in propelling the advancement of sustainable flame retardant technologies.
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