Cassidy, Kyle J. published the artcileComposite Particles From Pickering-Stabilized Radical Mediated Thiol-Ene Suspension Polymerizations, Name: Pentaerythritol tetra(3-mercaptopropionate), the main research area is polythioether silica composite particle radical thiol ene suspension polymerization; pickering stabilization morphol thermal property.
Pickering stabilization is a facile method to create composite colloidal particles. Inorganic colloidal SiO2 nanoparticles are often used as the stabilizer for particles instead of the more common amphiphilic surfactants. Here the use of this approach in radical-mediated thiol-ene suspension polymerizations using monomers 1,3,5-triallyl-1,3,5-triazine-2,4,6(1H,3H,5H)-trione (TTT) and pentaerythritol tetrakis (3-mercaptopropionate) (PETMP) is described. The resulting micron-sized crosslinked poly(thioether) colloidal particles are coated with 80 nm silica nanoparticles. The addition of a small amount of various costabilizers is examined (hexadecane, cetyl alc. and toluene), and while all yielded particles, cetyl alc. provide more consistent results. SEM and thermal anal. of the composite particles demonstrate morphologies that are consistent with a raspberry-like structure. No significant changes to the glass transition temperature are observed, which is consistent with the silica nanoparticles being located at the surface of the polymer particles.
Macromolecular Reaction Engineering published new progress about Colloids. 7575-23-7 belongs to class alcohols-buliding-blocks, name is Pentaerythritol tetra(3-mercaptopropionate), and the molecular formula is C17H28O8S4, Name: Pentaerythritol tetra(3-mercaptopropionate).
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