HYPERBRANCHED ALIPHATIC POLYESTER GRAFTED SILICA NANOPARTICLES BY A FACILE ONE-POT METHOD

Peng Liu ()
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Peng Liu: Institute of Polymer Science and Engineering, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China

Surface Review and Letters (SRL), 2005, vol. 12, issue 04, 619-622

Abstract: Hyperbranched aliphatic polyester grafted silica nanoparticles (HAPE-SNs) have been prepared via the polycondensation of a AB2monomer, 2, 2-bis(hydroxymethyl)propionic acid (bis-MPA) from the surface of the aminopropyl silica nanoparticles (APSNs) by a facile one-pot method catalyzed withp-toluenesulfonic acid (p-TSA). The product, HAPE-SN, is characterized by elemental analysis (EA), Fourier transform infrared (FTIR) spectroscopy analysis and thermogravimetric analysis (TGA). The transmission electron microscopy (TEM) result shows that the HAPE-SNs have better dispersibility in organic solvent.

Keywords: Hyperbranched aliphatic polyester; polyester grafted silica nanoparticles; one-pot method (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0218625X05007517

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