紫外激发丙酮-乙二醇引发制备离子型聚丙烯酰胺及其絮凝性能

doi:10.16085/j.issn.1000-6613.2017.02.040

化工进展 ›› 2017, Vol. 36 ›› Issue (02): 689-694.DOI: 10.16085/j.issn.1000-6613.2017.02.040

紫外激发丙酮-乙二醇引发制备离子型聚丙烯酰胺及其絮凝性能

李大刚^1,2, 陈崇城^1,2, 陈晓玲^1,2, 李云龙^1,2, 黄茂坤^1,2

1 黎明职业大学轻纺工程学院, 福建泉州 362000;
2 实用化工材料福建省高校应用技术工程中心, 福建泉州 362000

收稿日期:2016-06-14 修回日期:2016-07-07 出版日期:2017-02-05 发布日期:2017-02-05
通讯作者: 李大刚(1983-),男,硕士,讲师,主要从精细化学品合成研究。E-mail:lidagang@lmu.edu.cn。
作者简介:李大刚(1983-),男,硕士,讲师,主要从精细化学品合成研究。E-mail:lidagang@lmu.edu.cn。
基金资助:
泉州市科技重点项目（2015Z133）及黎明职业大学科研团队建设项目（LMTD2014105）。

Preparation and flocculation performance of ionic polyacrylamide initiated by acetone-EG under UV excitation

LI Dagang^1,2, CHEN Chongcheng^1,2, CHEN Xiaoling^1,2, LI Yunlong^1,2, HUANG Maokun^1,2

1 Department of Light-textile Engineering, Liming Vocational University, Quanzhou 362000, Fujian, China;
2 Applied Technology Engineering Center of Fujian Provincial Higher Education for Practical Chemical Material, Quanzhou 362000, Fujian, China

Received:2016-06-14 Revised:2016-07-07 Online:2017-02-05 Published:2017-02-05

摘要/Abstract

摘要： 以丙酮-乙二醇（acetone-EG）作为新型引发剂，紫外激发引发单体共聚制备高分子量离子型聚丙烯酰胺，并研究聚合物对原生煤泥水的絮凝效果。将2-丙烯酰胺基-2-甲基丙磺酸（AMPS）阴离子功能单体和二甲基二烯丙基氯化铵（DDAC）阳离子功能单体分别或同时与丙烯酰胺（AM）共聚合成阴离子型聚丙烯酰胺（HPAM）、阳离子型聚丙烯酰胺（CPAM）以及两性型聚丙烯酰胺（APAM）。以离子型聚丙烯酰胺的特性黏数[η]作为指标，获取了该引发体系下每种类型聚丙烯酰胺的最优合成工艺参数，所制备的各类离子型聚丙烯酰胺的特性黏数可分别达到：[η]_HPAM=1760mL/g；[η]_CPAM=980mL/g；[η]_APAM=1120mL/g。用所制备的聚合物对煤泥水进行絮凝，结果表明HPAM用量3~4mg/L时，煤泥水浊度最低降到0.9FTU，絮凝沉降最大速度为61.6cm/min，APAM和CPAM用量4~5mg/L时有较好的絮凝效果，CPAM使煤泥水浊度最低降到1.3FTU，絮凝沉降最大为51.8cm/min，APAM使煤泥水浊度最低降到0.9FTU，絮凝沉降速度最大为58.2cm/min。

关键词: 聚丙烯酰胺, 光聚合, 丙酮, 乙二醇, 特性黏数, 絮凝剂

Abstract: With acetone and ethylene glycol (acetone-EG) as new initiator,high molecular weight ionic polyacrylamide was polymerized under UV excitation,and the flocculation effect on primary coal slurry water was studied. Anionic polyacrylamide (HPAM),cationic polyacrylamide (CPAM),and amphiprotic polyacrylamide (APAM) were synthesized by copolymerizing acrylamide (AM) with 2-acrylamido-2-methylpropane sulfonic acid (AMPS) and dimethyl diallyl ammonium chloride (DDAC),respectively or at the same time. Limiting viscosity number ([η]) of the ionic polyacrylamide was taken as main factor to evaluate the optimal synthesis process parameters for each type of polyacrylamide. Three type ionic polyacrylamide maximum limiting viscosity numbers can be reached:[η]_HPAM=1760mL/g;[η]_CPAM=980mL/g;[η]_APAM=1120mL/g. When one of HPAM,CPAM and APAM was added to the primary coal slurry water as a flocculant agent and with the dosages of 3-4mg/L, 4-5mg/L and 4-5mg/L,respectively,the lowest coal slurry turbidity could be reduced to 0.9FTU, 1.3FTU and 0.9FTU,the maximum flocculation settling velocity was reached at 61.6cm/min,51.8cm/min and 58.2cm/min,respectively.

Key words: polyacrylamide, photo polymerization, acetone, ethylene glycol, limiting viscosity number, flocculant

中图分类号:

TQ326.4

李大刚, 陈崇城, 陈晓玲, 李云龙, 黄茂坤. 紫外激发丙酮-乙二醇引发制备离子型聚丙烯酰胺及其絮凝性能[J]. 化工进展, 2017, 36(02): 689-694.

LI Dagang, CHEN Chongcheng, CHEN Xiaoling, LI Yunlong, HUANG Maokun. Preparation and flocculation performance of ionic polyacrylamide initiated by acetone-EG under UV excitation[J]. Chemical Industry and Engineering Progree, 2017, 36(02): 689-694.

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紫外激发丙酮-乙二醇引发制备离子型聚丙烯酰胺及其絮凝性能

Preparation and flocculation performance of ionic polyacrylamide initiated by acetone-EG under UV excitation

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