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Development of multifunctional systems based on doped organic-inorganic hybrids compounds

Grant number: 11/16800-0
Support type:Scholarships in Brazil - Master
Effective date (Start): March 01, 2012
Effective date (End): March 31, 2014
Field of knowledge:Engineering - Materials and Metallurgical Engineering - Nonmetallic Materials
Principal researcher:Peter Hammer
Grantee:Fábio Cesar dos Santos
Home Institution: Instituto de Química (IQ). Universidade Estadual Paulista (UNESP). Campus de Araraquara. Araraquara , SP, Brazil
Associated scholarship(s):13/00295-0 - Investigation of mechanical and electrochemical properties of organic-inorganic siloxane-PMMA hybrid films applied for corrosion protection of metallic surfaces, BE.EP.MS


The proposed project involves the preparation and characterization of siloxane-methacrylate hybrids doped with cerium (IV) to increase the passivating character of the films, both by PANI hybrid siloxane-modified conjugated polymers and functionalized carbon nanotubes to increase the electrical conductivity and mechanical strength of films. The hybrid siloxane-methacrylate films are prepared via radical polymerization of MMA and MPTS followed by hydrolysis and condensation of TEOS in an ethanol medium catalyzed by acid. PANI-siloxane hybrids are prepared from the polymerization of aniline followed by hydrolysis and condensation of TEOS in an ethanol medium catalyzed by acid and a complementary manner, it is intend to increase the conductivity by the addition of funtionalized carbon nanotubes. In this way is expected to increase the mecanical strength and passivating character of the films against aggressive media (saline and saline / acid) and to produce hybrid films with interesting opto-electrical properties.

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Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SANTOS, Fábio Cesar dos. Desenvolvimento de sistemas multifuncionais baseados em híbridos orgânico-inorgânicos dopados. 2014. Master's Dissertation - Universidade Estadual Paulista (Unesp). Instituto de Química. Araraquara Araraquara.

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