| 摘要 |
1382293 Percarboxylic acids DEUTSCHE GOLDUND SILBER-SCHEIDEANSTALT 9 May 1972 [21 May 1971] 21581/72 Heading C2C Percarboxylic acids are obtained by reacting the corresponding carboxylic acids or esters thereof with C 1-4 aliphatic alcohols, in the gas phase with hydrogen peroxide in the presence of solid acid catalysts. The catalyst may be applied to a support, such as alumina. Specified acid catalysts are ammonium sulphate, sodium hydrogen sulphate, barium nitrate, aluminium phosphate, aluminium sulphate and boron phosphate. |
