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ELABORATION OF MASSIVE SILICA XEROGELS BY DEACIDIFICATION AND DRYING CONTROL


COSTILLE BENJAMIN 1, BENROKIA SARAH 1, THUNE ELSA 1, GUINEBRETIERE RENE 1
1. Université de Limoges, SPCTS, UMR CNRS 7315, 12 rue Atlantis 87068 Limoges Cedex, France

Issue:

PLUMEE, Number 1, Volume VII

Section:

Issue No.1 - Volume 7 (2017)

Abstract:

In this article, the goal is to deacidify silica gels containing a large amount of hydrochloric acid necessary for the synthesis of mixed gels. A washing step is added to the gel preparation protocol, in order to remove a certain amount of acid and also to improve the drying, promoting non-cracked bulk gels. The results are promising, which allows to transpose this process to the elaboration of mixed gels.

Keywords:

sol-gel, bulk xerogel, washing, deacidification, drying.

Code [ID]:

PLUMEE201701V07S01A0009 [0004725]

Note:

DOI:

Full paper:

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