At optimum conditions 35℃,the mole ratio 1.5∶1∶2.5 of o ethoxyphenol,glyoxylic acid and sodium hydroxide,the yield of 3 ethoxy 4 hydroxyamldalinic acid was up to 88.6%.The electrolysis was carried out in an undivid...At optimum conditions 35℃,the mole ratio 1.5∶1∶2.5 of o ethoxyphenol,glyoxylic acid and sodium hydroxide,the yield of 3 ethoxy 4 hydroxyamldalinic acid was up to 88.6%.The electrolysis was carried out in an undivided cell with the anode graphite and the cathode nickel.The appropriate conditions were as follow;reaction temperature 60℃,current density 0.15 A/dm 2,concentration of caustic alkali 6%.The yield of ethylvanillin was 90.0% .展开更多
The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves...The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves of temperature rising-rate versus thermal decomposition temperature were also obtained.After the data revision disposal and analysis processing,thermal decomposition parameters and kinetic data of benzoyl peroxide were calculated,respectively.展开更多
文摘At optimum conditions 35℃,the mole ratio 1.5∶1∶2.5 of o ethoxyphenol,glyoxylic acid and sodium hydroxide,the yield of 3 ethoxy 4 hydroxyamldalinic acid was up to 88.6%.The electrolysis was carried out in an undivided cell with the anode graphite and the cathode nickel.The appropriate conditions were as follow;reaction temperature 60℃,current density 0.15 A/dm 2,concentration of caustic alkali 6%.The yield of ethylvanillin was 90.0% .
文摘The thermal decomposition process of benzoyl peroxide was investigated by Accelerating Rate Calorimeter.The curves of thermal decomposition temperature and pressure versus time for the systems were obtained.The curves of temperature rising-rate versus thermal decomposition temperature were also obtained.After the data revision disposal and analysis processing,thermal decomposition parameters and kinetic data of benzoyl peroxide were calculated,respectively.
