改性超支化聚酯抑尘剂的合成及其性能  

Synthesis and Modification of Hyperbranched Polyester Dust Suppressant

作　　者：刘洋[1] 王美燕 赵素素 刘洋洋 杨静[1] LIU Yang;WANG Meiyan;ZHAO Susu;LIU Yangyang;YANG Jing(College of Chemical and Environmental Engineering, Shandong University ofScience and Technology, Qingdao, Shandong 266590, Chin)

机构地区：[1]山东科技大学化学与环境工程学院,山东青岛266590

出　　处：《山东科技大学学报（自然科学版）》2018年第3期26-34,共9页Journal of Shandong University of Science and Technology(Natural Science)

基　　金：国家自然科学基金-煤炭联合基金重点支持项目(U1261205);青岛经济技术开发区重点科技发展计划项目(2013-1-66);青岛市建设事业科技发展项目(JK2013-9)

摘　　要：以N,N-二羟乙基-3-胺丙酸甲酯为单体,利用硬脂酸对其进行改性,制得含长链烷基的改性单体;以季戊四醇为核合成了二代超支化聚酯,向二代超支化聚酯中加入一定比例的单体和改性单体,合成了改性超支化聚酯抑尘剂。结果表明,单体改性的最佳条件为:反应温度130℃,催化剂用量1.00%,反应时间2.5h;改性超支化聚酯抑尘剂的最佳合成工艺为:改性比1∶6,催化剂用量1.00%,反应温度130℃,反应时间2.5h。通过对其抑尘性能的研究发现,该抑尘剂易于溶解,保水性好,抑尘效率高,无腐蚀性,在抑尘领域有着广阔的应用前景。Based upon N,N-diethylol-3-amine methylpropionate as monomer and stearic acid as modifier,the modified monomer with long alkyl group was synthesized.Second generation hyperbranched polyester（HBPE2）was synthesized using pentaerythrotol as core,the modified hyperbranched polyester（modified HBPE3）dust suppressant was synthesized from HBPE2,monomer and modified monomer.The results show that optimal technological conditions of modified monomer are temperature 130℃,catalyst dosage 1.00%,and reaction time 2.5 h.The best technological condition of modified HBPE3 dust suppressant are modification ratio is 1∶6,catalyst dosage 1.00%,temperature 130 ℃,and reaction time 2.5 h.Study on the dust suppression performance,the results show that the prepared dust suppression is noncorrosive and it has good solubility,good water retention and high dust suppression rate,and it has a bright prospect in the field of dust suppression.

关 键 词：超支化聚酯 季戊四醇 改性单体 硬脂酸 抑尘剂 

分 类 号：X513[环境科学与工程—环境工程]