This invention describes a method for preparing polymethoxymethylal. By this method, polymethoxymethylal is prepared by a catalytic reaction using methanol and trioxymethylene as reactants and using an ionic liquid as catalyst under a relatively moderate reaction condition. The catalyst of this invention has a high catalytic activity and a high conversion; the reaction process is simple, easy to be operated and has a strong controllability; the distribution of the products after reaction is superior and the utilization ratio of the raw materials is high.
本发明描述了一种制备聚甲氧
甲醛的方法。通过该方法,在相对温和的反应条件下,使用
甲醇和三
甲醛作为反应物,使用
离子液体作为催化剂进行催化反应,从而制备聚甲氧
甲醛。本发明的催化剂具有高催化活性和高转化率;反应过程简单,易于操作且具有较强的可控性;反应后产物的分布优越,原材料的利用率高。