一种支化聚酯分散剂的合成及对炭黑分散性能的研究  

Synthesis of Hyperbranched Polyester Dispersant

作　　者：李海华[1] 刘娅静[1] 张贤龙[1] 叶彩萍[1] 晁国库[1] 邰玉蕾[1] 赵亚娟[1] 

机构地区：[1]温州大学化学与材料工程学院,浙江温州325027

出　　处：《化工技术与开发》2014年第8期8-10,共3页Technology & Development of Chemical Industry

基　　金：温州大学"学科提升战略"建设项目预研计划(316406125020301);浙江省科技厅公益(KZ1311044)项目资助

摘　　要：以1,3,5-三羟甲基环己烷为中心核,2,2-二羟甲基丙酸(DMPA)为合成单体,对甲苯磺酸为催化剂,采用一步法制备超支化聚酯多元醇,并对合成条件中-1,3,5-三羟甲基环己烷和DMPA的不同配比、反应温度对其酸值、羟值、稳定性的影响进行研究。结果表明,反应温度150℃,DMPA与1,3,5-三羟甲基环己烷的摩尔比为2∶1为最佳合成条件,产品分散稳定性好。Hyperbranched resin dispersant was synthesized by 1,3,5-trimethylol cyclohexane and 2,2-dimethylol propionic acid （DMPA）. Effects of ratio of 1,3,5-trimethylol cyclohexane to DMPA, reaction temperature, reaction time, vacuum level and vacuum time on acid value, hydroxyl value and stabilization in ink were studied. The result showed that the optimal conditions to synthesis hyperbranched dispersant were：the molar ratio of DMPA to 1,3,5-trimethylol cyclohexane was 2：1, reaction temperature was 150℃, reaction time was 15h, vacuum degree was 40kPa, vacuum time was 12h. The dispersion stability was superior.

关 键 词：超支化 合成 稳定性 表征 

分 类 号：O631[理学—高分子化学]