文档介绍：刘勇等,甲基丙烯酸甲酯悬浮聚合工艺条件的研究, ,
·78· Vol. 32 No. 5 2010
甲基丙烯酸甲酯悬浮聚合工艺条件的研究
刘勇 1,王俏 2
( 延安职业技术学院化工化学系,陕西延安延安大学化学与化工学院陕西延安)
1. 716000 2. 716000
摘要:通过悬浮聚合法制取了聚甲基丙烯酸甲酯( ) 主要研究了分散剂引发剂温度搅拌速度以及水和单体的比
PMMA 。、、、
对聚合物的影响结果表明:当单体的量为时,水和单体比为(体积比);引发剂的量为;分散剂的量为:
。 12mL 5∶1 MgCl2
: ;温度控制在,反应约;搅拌速度为的实验条件下,制得了颗粒均匀透明度良好产率较
3mL、NaOH 6mL 75~78℃ 250r/min 、、
高的聚甲基丙烯酸甲酯
。
关键词:甲基丙烯酸甲酯;悬浮聚合;工艺研究
中图分类号: 文献标识码: 文章编号: ( )
TQ B 1001- 0017 2010 05- 0078- 03
Study on the Technical Condition of MMA Suspension Polymerization
LIU Yong1 and WANG Qiao2
( , , ,
1. Department of Chemical Engineering and Chemistry Yan’an Institute of Vocational Technology Yan’an 716000 China; 2. College of Chemistry
, , , )
and Chemical Engineering Yan’an University Yan’an 716000 China
( ) ,
Abstract: Polymethyl methacrylate PMMA is prepared by the method of suspension polymerization. The effects of the dispersing agent
, ,
temperature and initiator stirring speed and ratio of water to monomer on the product are studied. The result shows the optimal experimental
, , ,
conditions are as follows: the monomer volume is 12mL the volume ratio of water to monomer is 5∶1 the amount of initiator is the amount of
, , ,
dispersing agent MgCl2 and NaOH is 3mL and 6mL respectively the temperature is about 75~78 ℃ the reaction time is about the stirring
, , ,
speed is