【摘要】 对石油树脂厂含有未聚合不饱和芳烃Ｃ９的副产品进行二次聚合，得到无色或淡黄色透明液体（溶剂油），以此为溶剂，Ｃ９石油树脂为主料，配以合适的辅料，制备了一种质量好的新型防潮上光剂。选择了最佳工艺配方。更多还原

【Abstract】 he new type of dampproof and brightening agent with good quality was prepared from petroleum resin and solvent oil which synthesized by the secondary polymerization of the side product containing unsaturated aromatic C9. The optimum technological formulation was selected.更多还原