| 发明名称 | Method for synthesising glycolic acid | ||
| 摘要 | The invention relates to a method for synthesizing glycolic acid or one of the salts thereof, including the following step: placing glycerol and an oxidizing agent in contact with one another in a reaction medium in the presence of a silver-based catalyst on a substrate, said substrate including a material selected from the group consisting of CeO2, basic Al2O3 optionally doped with a calcium or cerium oxide, an amphoteric resin, ZrO2, and a mixture of said materials. The invention also relates to the use of a silver-based catalyst on a substrate that can be used in said method. | ||
| 申请公布号 | US9550715(B2) | 申请公布日期 | 2017.01.24 |
| 申请号 | US201414896969 | 申请日期 | 2014.05.26 |
| 申请人 | PIVERT;CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS);UNIVERSITÉ DES SCIENCES ET TECHNOLOGIES DE LILLE 1 | 发明人 | Skrzynska Elzbieta;Dumeignil Franck;Capron Mickaël;Duhamel Louise |
| 分类号 | C07C51/235;B01J37/03;B01J23/50;C07C51/23 | 主分类号 | C07C51/235 |
| 代理机构 | Winstead PC | 代理人 | Winstead PC |
| 主权项 | 1. A process for the synthesis of glycolic acid or one of its salts comprising the following step: bringing glycerol and an oxidizing agent into contact in a reaction medium in the presence of a catalyst based on silver on a support, said support comprising a material chosen from the group consisting of CeO2, basic Al2O3, optionally doped with a calcium or cerium oxide, an amphoteric resin, ZrO2 and a mixture of these materials; wherein a base which produces hydroxide ions is present in the reaction medium; and wherein the molar ratio of hydroxide ions to glycerol [OH]/[gly] brought together is from 0.5 to 1.2. | ||
| 地址 | Venette FR | ||