Synthesis of homogeneous silicophosphate xerogels by non-hydrolytic condensation reactions

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14740%2F14%3A00073904" target="_blank" >RIV/00216224:14740/14:00073904 - isvavai.cz</a>
Result on the web
<a href="http://www.sciencedirect.com/science/article/pii/S1387181114003370#" target="_blank" >http://www.sciencedirect.com/science/article/pii/S1387181114003370#</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.micromeso.2014.06.019" target="_blank" >10.1016/j.micromeso.2014.06.019</a>

Result language
angličtina
Original language name
Synthesis of homogeneous silicophosphate xerogels by non-hydrolytic condensation reactions
Original language description
A novel non-hydrolytic synthesis of silicophosphate xerogels and optimization of reaction conditions to obtain products with a high degree of condensation and a large specific surface area are presented. Homogeneous products with a high content of Si-O-Pbonds and SiO6 moieties were synthesized by an ester elimination route at low temperature from silicon acetate, Si(OAc)(4), and tris(trimethylsilyl) phosphate, OP(OSiMe3)(3) (TTP). Depending on the reaction conditions (temperature, solvent, time) it waspossible to control the degree of condensation (up to 85.7%) and porosity of amorphous xerogels (apparent surface areas from 230 to 568 m(2) g(-1)). The composition and morphology of the xerogels, volatile reaction byproducts, thermal transformations and surface modification with methanol were followed by elemental analysis, IR spectroscopy, thermal analysis TG-DSC, nitrogen adsorption, C-13, Si-29, and P-31 solid-state NMR spectroscopy, and powder XRD. (C) 2014 Elsevier Inc. All rights
Czech name
—
Czech description
—

Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
CA - Inorganic chemistry
OECD FORD branch
—

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Similar results(10)