The problem is often overcome by the use of chilled water or the fitting of a reflux condenser which, via the continued refluxing of vinyl chloride monomer, utilizes its laten heat of evaporation for cooling purposes.

• 解决问题的办法是采用冷冻水或安装回流冷凝器，回流冷凝器连续回流氯乙烯单体，利用单体的蒸发潜热冷却反应物料。