Study on the effect of modified graphene on the properties of nylon composites
Graphene is difficult to completely exfoliate and disperse in polymers due to its nanoscale and strong van der Waals forces between layers.The homogeneous dispersion of graphene in nylon 6 matrix was achieved by in situ polymerization,i.e.,graphene was dispersed in the melt of nylon 6 monomer before polymerization.The effect of modified graphene surface on the dis-persion of graphene in nylon 6 was investigated.In addition,the structural,mechanical,thermal,tensile,andflame retardant proper-ties of the nanocomposites were comprehensively characterized by different analysis tests to compare the advantages and disadvan-tages of three modified graphene by coupling agents,organics,or nanomaterials.
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