Other formats:
BibTeX
LaTeX
RIS
@article{1503207, author = {Romero, AR. and Tamburini, S. and Taveri, G. and Toušek, Jaromír and Dlouhy, I. and Bernardo, E.}, article_location = {Basel}, article_number = {12}, doi = {http://dx.doi.org/10.3390/ma11122545}, keywords = {glass recycling; alkali activation; gel casting; glass foams}, language = {eng}, issn = {1996-1944}, journal = {Materials}, title = {Extension of the 'Inorganic Gel Casting' Process to the Manufacturing of Boro-Alumino-Silicate Glass Foams}, volume = {11}, year = {2018} }
TY - JOUR ID - 1503207 AU - Romero, AR. - Tamburini, S. - Taveri, G. - Toušek, Jaromír - Dlouhy, I. - Bernardo, E. PY - 2018 TI - Extension of the 'Inorganic Gel Casting' Process to the Manufacturing of Boro-Alumino-Silicate Glass Foams JF - Materials VL - 11 IS - 12 SP - 1-12 EP - 1-12 PB - MDPI AG SN - 19961944 KW - glass recycling KW - alkali activation KW - gel casting KW - glass foams N2 - A new technique for the production of glass foams, based on alkali activation and gel casting, previously applied to soda-lime glass, was successfully extended to boro-alumino-silicate glass, recovered from the recycling of pharmaceutical vials. A weak alkali activation (2.5 M NaOH or NaOH/KOH aqueous solutions) of fine glass powders (below 70 mu m) allowed for the obtainment of well-dispersed concentrated aqueous suspensions, undergoing gelation by treatment at low temperature (75 degrees C). Unlike soda-lime glass, the progressive hardening could not be attributed to the formation of calcium-rich silicate hydrates. The gelation was provided considering the chemical formulation of pharmaceutical glass (CaO-free) to the formation of hydrated sodium alumino-silicate (N-A-S-H) gel. An extensive direct foaming was achieved by vigorous mechanical stirring of partially gelified suspensions, comprising also a surfactant. A sintering treatment at 700 degrees C, was finally applied to stabilize the cellular structures. ER -
ROMERO, AR., S. TAMBURINI, G. TAVERI, Jaromír TOUŠEK, I. DLOUHY and E. BERNARDO. Extension of the 'Inorganic Gel Casting' Process to the Manufacturing of Boro-Alumino-Silicate Glass Foams. \textit{Materials}. Basel: MDPI AG, 2018, vol.~11, No~12, p.~1-12. ISSN~1996-1944. Available from: https://dx.doi.org/10.3390/ma11122545.
|