【摘要】 采用苯乙酮、烷基酸酯进行缩合反应,合成了β-二酮,产率大于85％,并表征了其作为辅助热稳定剂的热稳定性能。结果表明:β-二酮是一种优良的PVC用无毒辅助热稳定剂。更多还原

【Abstract】 Phenyl ethyl ketone was condensated with alkyl acid ester to prepare β-diketone , its yield> 85%. The thermostability of β - diketone was characterized, the result showed that it was an excellent nontoxic auxiliary heat stabilizer for PVC.更多还原