Synthesis of Methylacryloypropyl-POSS/Poly(fluorine-acrylate) Core-Shell Nanocomposites and Effect on Thermal Properties of Materials

Abstract

Core-shell nanocomposites were prepared from acrylates, fluorine-containing methacrylate monomers and methylacryloypropyl polyhedral oligomeric silsesquioxanes (MAP-POSS) by emulsion polymerization. The properties of latex and nanocomposites were characterized by FTIR, NMR, TEM, laser particle diameter analyzer, DMA and TGA. The results showed that the particle diameter of composite latexes was about 33.5 nm, dynamic mechanical loss peak temperature T p of the nanocomposites had the best high value at 99.6°C when 7 wt.% MAP-POSS was added, which is 7.8°C higher than the pure polyacrylates. MAP-POSS could increase the thermal stability of materials, the initial thermal decomposition temperature increases about 34°C.

In-situ photocrosslinkable nanohybrid elastomer based on polybutadiene/polyhedral oligomeric silsesquioxane

“…Thirdly, POSS reinforcing nanofillers, due to their inorganic nature, enhance the thermal resistance of polymeric network. In other words, the POSS containing networks can form SiO 2 and SiC structures under high temperatures which need higher degradation energy to break or decompose [37,38].…”

Silica‐grafted poly1‐hexene: A new approach to prepare polyethylene/silica nanocomposites

“…Silica reinforcing nanofiller improved the thermal resistance of nanocomposites in both air and N 2 atmospheres due to the formation of physical crosslinking between HDPE and silica nanoparticles. Indeed, the silica containing nanohybrids can form SiO 2 and SiC structures under high temperatures which need higher energy to break or decompose . However, prepared samples exhibited lower thermo‐oxidative degradation stability in air atmosphere, which lead to a decrease in T dmax when compare with it in N 2 atmosphere.…”

Polybutadiene/polyhedral oligomeric silsesquioxane nanohybrid: investigation of various reactants in polyesterification reaction

“…Thirdly, POSS reinforcing nanofillers, due to their inorganic nature, promote the heat resistance of the polymer matrix. In other words, the POSS‐containing macromers can form SiO 2 and SiC structures under high temperatures which need higher decomposition energy to break down …”