Inorganic particle-polymer impact properties

The sol-gel technique to generate nanosilica particles within a polymer matrix has been a useful process which gives specific interphase impact between the organic matrix and inorganic component. The incorporation of the filler particles into polymers using this process avoids the aggregation of the nanofiller within the polymer matrix [17]. The polymer-silica interaction depends on the size and shape of the nanofiller particles, their volume fraction, and the interparticle interaction [18]. What s more, these parameters also strongly influence the properties of the nanocomposites. 

The aim of the study was to assess the impact of surface modification of magnesium hydroxide on the flammability and mechanical properties of composites PE-HD/ MDH. The surface treatments can decrease the surface energy of inorganic fillers and improve the dispersion of an inorganic filler in a polymer matrix. The mechanical performance and flame retardancy of the PE-HD/MDH composites largely depend on the dispersion of fillers in the polymer matrix and the adhesion between the filler particles and polymer matrix. Different surface treatments of commercial magnesium hydroxide obviously affect interactions between fillers and the polymer matrix. 

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