聚丙烯透明成核剂的研制  

Preparation of Clarifying Nucleating Agent for Polypropylene

作　　者：于涛[1] 曲广淼[1] 丁伟[1] 

机构地区：[1]大庆石油学院化学化工学院,大庆163318

出　　处：《精细石油化工进展》2005年第10期29-31,共3页Advances in Fine Petrochemicals

基　　金：黑龙江省教育厅资助项目(10541013)

摘　　要：以对乙基苯甲醛和山梨醇为原料,对甲苯磺酸为催化剂,在环己烷和甲醇的混合溶剂中合成了1,3∶2,4-二亚(对乙基)苄基山梨醇透明成核剂。通过正交试验确定了最佳合成工艺条件:对乙基苯甲醛与山梨醇的摩尔比为2.2∶1,催化剂用量(以山梨醇质量计)为1.5%,混合溶剂环己烷与甲醇体积比为2∶1。在此工艺条件下,产物收率可达95%以上。采用红外光谱分析了产物结构。1,3：2,4- Di（p -ethyl）benzylidene sorbitol clarifying nucleating agent was synthesized from p -ethyl benzaldehyde and sorbitol using p - toluene sulfonic acid as catalyst in the present of mixture solvent of cyclohexane and methanol. The optimum reaction conditions were determined by orthogonal experiments that the molar ratio of p- ethyl benzaldehyde to sorbito was 2.2, the volume ratio of cyclohexane to methanol was 2.0, and the amount of catalyst （based on the mass of sorbitol） was 1.5 % .The yield of the product was over 95 % under above conditions.The structure of the product was analyzed by IR.

关 键 词：二亚苄基山梨醇 成核剂 聚丙烯 衍生物 透明成核剂 聚丙烯 合成工艺条件 催化剂用量 红外光谱分析 混合溶剂 产物结构 对甲苯磺酸 山梨醇 

分 类 号：TQ320.4[化学工程—合成树脂塑料工业]