my country’s DOP production capacity gradually declines and export volume increases

Dioctyl phthalate (DOP) is produced by esterification reaction using octanol and phthalic anhydride as raw materials. As an organic ester compound, DOP appears as a transparent, impurity-free oily liquid and is often used as a plasticizer. After years of development, there are many types of DOP. According to different uses, it can be divided into…