首页> 外国专利> Preparation of silica xerogels comprises: treating organo silica gel with hydrophobing agent in the presence of weak acid and solvent; separating obtained hydrophobic organogel; and eliminating solvent from organogel by evaporation

Preparation of silica xerogels comprises: treating organo silica gel with hydrophobing agent in the presence of weak acid and solvent; separating obtained hydrophobic organogel; and eliminating solvent from organogel by evaporation

机译：二氧化硅干凝胶的制备包括：在弱酸和弱溶剂存在下，用疏水剂处理有机硅胶。分离得到的疏水性有机凝胶;并通过蒸发从有机凝胶中去除溶剂

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摘要

Preparation of silica xerogels (I) (less dense and hydrophobic) comprises: (a) treating organo silica gel with a hydrophobing agent in the presence of a weak acid and a solvent; (b) separating the obtained hydrophobic organogel; and (c) eliminating the solvent from the organogel by evaporation.

机译：二氧化硅干凝胶（I）（密度较小且疏水性）的制备包括：（a）在弱酸和溶剂存在下用疏水剂处理有机硅胶。（b）分离得到的疏水性有机凝胶; （c）通过蒸发从有机凝胶中除去溶剂。

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公开/公告号FR2873677A1

专利类型
公开/公告日2006-02-03

原文格式PDF
申请/专利权人 ARMINES ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS INDUSTRIELS ASSOCIATION LOI DE 1901;PRODUITS CHIMIQUES AUXILIAIRES ET DE SYNTHESE;
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申请/专利号FR20040008411
发明设计人 BISSON ANTOINE;RIGACCI ARNAUD;ACHARD PATRICK;DE CANDIDO MARINA;FLORENT PIERRE;POULEYRN GILBERT;BONNARDEL PIERRE;
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申请日2004-07-29
分类号C01B33/16;
国家 FR
入库时间 2022-08-21 21:17:21

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