http://www.cnr.it/ontology/cnr/individuo/prodotto/ID196140
Plasticizing and Reinforcing Features of Siloxane Domains in Amine-Cured Epoxy/Silica Hybrids (Articolo in rivista)
- Type
- Label
- Plasticizing and Reinforcing Features of Siloxane Domains in Amine-Cured Epoxy/Silica Hybrids (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/mame.201200222 (literal)
- Alternative label
Filomena Piscitelli1, Marino Lavorgna1,*, Giovanna G. Buonocore1, Letizia Verdolotti1, Jocelyne Galy2, Leno Mascia3 (2013)
Plasticizing and Reinforcing Features of Siloxane Domains in Amine-Cured Epoxy/Silica Hybrids
in Macromolecular materials and engineering (Internet)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Filomena Piscitelli1, Marino Lavorgna1,*, Giovanna G. Buonocore1, Letizia Verdolotti1, Jocelyne Galy2, Leno Mascia3 (literal)
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- 1. Institute of Composite and Biomedical Materials, National Research Council, P.le Fermi 1, 80055 Portici (NA), Italy
2. INSA Lyon, CNRS, UMR 5223, Inge´nierie des Mate´riaux Polyme`res, F-69621, Villeurbanne, France
3. Department of Materials, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK (literal)
- Titolo
- Plasticizing and Reinforcing Features of Siloxane Domains in Amine-Cured Epoxy/Silica Hybrids (literal)
- Abstract
- Organic/inorganic hybrid materials comprising an amine-epoxide network and siloxane
domains are produced by the sol/gel method. The presence of both plasticizing flexible linear
siloxane sequences and reinforcing nanosized silica particles and branched silsesquioxanes
(SSQO) structures is confirmed by 29Si NMR and SAXS analysis. The hybrids display simultaneously
a monotonical reduction in Tg and an increase in rubbery plateau modulus with
increasing siloxane content. At the same
time, nanoindentation tests reveal an
improved resistance to plastic deformation.
The effect of siloxane content
on the values of the rubbery plateau
modulus is evaluated through the EBM
model for blends and composites exhibiting
the characteristic co-continuity of
the two constituent phases. (literal)
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