Zobrazeno 1 - 10
of 684
pro vyhledávání: '"Oteo, J."'
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 52, Iss 2, Pp 55-62 (2013)
In this work has been studied the influence of the milling process of two ceramic frits used in the ceramic tile industry. Both glass frits were of similar chemical composition changing SiO2 by 5% of B2O3 and both of them were water or dry milled. Gl
Externí odkaz:
https://doaj.org/article/359e5a0ce5414923bca03cc5d975efb7
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 51, Iss 3, Pp 157-164 (2012)
In this work has been investigated the influence of the TEOS/PDMS hybrid size during the pyrolysis process to obtain the related silicon oxycarbide glasses. Hybrids monolithic pieces (100 mm x 50 mm x 5 mm), were crushed (1 mm x 1 mm x 1 mm) and grou
Externí odkaz:
https://doaj.org/article/483a27e3dd914a2fa4ec08e763803467
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 48, Iss 5, Pp 237-243 (2009)
Infrared and Raman spectroscopies have been used to analyze two series of sodium silicoborate glasses with 10 % and 20 % of Na2O. The obtained results are in accordance with those found in literature when using Raman and Infrared spectroscopies, howe
Externí odkaz:
https://doaj.org/article/3ed87a666b91410aa49941bf45f36c95
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 45, Iss 6, Pp 379-388 (2006)
The thermal degradation of TEOS-resol and APS-resol nanocomposites prepared by the sol-gel process has been studied in this work. Kinetic studies based on activation energies, reaction orders and pre-exponential factors as well as degradation analysi
Externí odkaz:
https://doaj.org/article/d791289ae26648459b2107a62646cfb5
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 45, Iss 2, Pp 96-102 (2006)
The behavior of an organic-inorganic hybrid material (HOI) as protective coating of different building materials has been evaluated in this work. The mineralogical, structural and textural characterization of the inorganic building materials (granite
Externí odkaz:
https://doaj.org/article/7ff6857a5e1e49f4b641ba0a710f8569
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 44, Iss 6, Pp 387-392 (2005)
Borosilicate gels with different Si/B ratio have been prepared by the sol-gel method. Such gels were obtained by hydrolysis and further condensation of TEOS (tetraethylorthosilicate) and TEB (triethylborate) alkoxides in acidic aqueous media. The evo
Externí odkaz:
https://doaj.org/article/2cdbf973d33e46c8a370f7c48daf8875
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 42, Iss 6, Pp 389-396 (2003)
The use of 3-aminopropyltriethoxy silane (APS) as inorganic precursor in the synthesis of hybrid materials in substitution of traditional alkoxides such as tetraethylorthosilicate (TEOS), opens up the possibility of incorporate reactive amine groups
Externí odkaz:
https://doaj.org/article/d8d894d0f7a74c2baa6e89ab1055b033
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 41, Iss 4, Pp 393-398 (2002)
Slate particles were treated in liquid acid medium. The results were analyzed as a function of the disolved ions and specific surface area values. Infrared spectroscopy (FT-IR) and X- ray difraction were also used in this study. Slate particles are c
Externí odkaz:
https://doaj.org/article/9c0b29450f0b411984324187101221c1
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 40, Iss 2, Pp 101-106 (2001)
Silane Coupling Agents (SCA) are widely used in fibers or particulates reinforced polymer composites to provide a water resistant bond between these reinforcements and the polymer martix. Many methods have been employed to study the interaction of S
Externí odkaz:
https://doaj.org/article/8ae94074cb1049efa09accb2ac9ce4c1
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 40, Iss 1, Pp 37-42 (2001)
In this work, we have studied, by FT-IR Spectroscopy, the influence of the molecular weight of organic polymers (polydimethylsiloxane, PDMS) in the hydrolysis and polycondensation reactions of tetraethylortosilicate (TEOS) in acid medium. Following o
Externí odkaz:
https://doaj.org/article/77a2268498f14236994f2acf6de0d93b