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Interactions in Nanosilica‐Polyurethane Composites Evidenced by Plate‐Plate Rheology and DMTA
Author(s) -
NavarroBañón Virtudes,
VegaBaudrit José,
Vázquez Patricia,
MartínMartínez José Miguel
Publication year - 2005
Publication title -
macromolecular symposia
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.257
H-Index - 76
eISSN - 1521-3900
pISSN - 1022-1360
DOI - 10.1002/masy.200550301
Subject(s) - dynamic mechanical analysis , materials science , silanol , composite material , fumed silica , silanization , rheology , polyurethane , thermal stability , dynamic modulus , composite number , polymer , chemical engineering , chemistry , biochemistry , engineering , catalysis
Fumed nanosilicas with different degree of silanization were used to obtain nanosilica‐polyurethane (TPU) composites to modify their rheological and mechanical properties. The higher the silanol content of the nanosilica, the higher the storage modulus and the thermal stability of the silica‐TPU composite. DMTA experiments confirmed that the TPU‐silica interactions increased by increasing the silanol content of the nanosilica.