Direct alcoholysis of urea have fewer steps,yet the yield of DMC is low,compared with it,indirect alcoholysis of urea have more steps, but the yield and selectivity are high,and will have commercia...

• 尿素直接醇解法工艺路线短,但碳酸二甲酯产率较低;尿素间接法工艺路线相对较长,但碳酸丙烯酯的产率和选择性较高,具有较好的产业化前景。