基于ATRP法的亲水性梳状羟胺树脂的制备及其吸硼的应用

基于ATRP法的亲水性梳状羟胺树脂的制备及其吸硼的应用(任务书,开题报告,外文翻译,论文10000字)
摘 要
本文以PS-acyl-Cl引发丙烯酰胺(AM)、甲基丙烯酸缩水甘油酯(GMA)混合单体,通过ATRP法聚合制一种具有亲水性的梳状环氧微球载体(PS-acyl-g-P (AM-co-GMA)),再经二乙醇胺与该载体的环氧基开环反应后得到一种亲水性的、梳状的含多个-NCH2CH2OH螯合配基的多齿-五元环螯合羟胺树脂(PS-acyl-g-P(AM-co-GMA-DEA)) 。经过合成条件优化,结果表明:溶剂的极性对反应的影响较小,从成本和安全的考虑,可选用乙醇和水组成的混合溶剂;Vsolv / VDEA=3,N DEA /N epoxy=2是该反应的最佳投料比。当T=90C时,反应0.25h后,增重率就可以达到最大值,且羟胺树脂的增重率随着环氧树脂链长的增加而增加。
将此载体用于硼吸附研究,研究结果表明此PS-acyl-g-P(AM-co-GMA-DEA)树脂对硼吸附满足Langmuir方程,饱和吸附量约为26.2mg•g-1,优于硼特效树脂吸硼量(14.6mg•g-1)。且树脂吸硼速率快,树脂吸附硼的速率主要由颗粒扩散过程决定,且吸附动力学模为颗粒扩散模型。
关键词:氯乙酰化聚苯乙烯-二乙烯基苯微球;原子转移自由基聚合;亲水性环氧树脂;硼吸附 [资料来源:www.doc163.com]
ABSTRACT
In this paper, the mixed monomers of the acrylamide (AM) and glycidyl methacrylate (GMA) were initiated by PS-acyl-Cl using atom transfer radical polymerization (ATRP) to prepare a hydrophilic comb-like epoxy microspheres (PS-acyl-g-P (AM-co-GMA)). Diethanolamine can react with the epoxy of the carrier by ring-opening reaction, and the comb-like -NCH2CH2OH chelating polydentate ligand and Five-ring hydroxylamine chelating resin (PS-acyl-g-P (AM-co-GMA-DEA)) can be prepared successfully. After optimized the synthetic conditions, the results showed that the polarity of the solvent had little effect on the reaction. The choice of the mixed solvent composed of ethanol and water was mainly considered from a cost and safety considerations; Vsolv / VDEA = 3 and NDEA / Nepoxy = 2 were the best ratio of the reaction. When the temperature reached 90℃, the weight gain rate could reach the maximum after 2.5 hours. And the weight gain rate of the hydroxylamine resin can increase with that of the chain length of the epoxy resin. [版权所有:http://DOC163.com]
Boron adsorption was studied for this research, and the results showed that the boron adsorption of the PS-acyl-g-P (AM-co-GMA-DEA) resin meet the Langmuir equation. The adsorption was about 26.2mg • g-1, and it is better than the boron-specific resin (14.6mg • g-1). What’s more, the resin absorption rate was faster than other resins. The adsorption rate of resin was mainly decided by the boron diffusion process of the particles, and the adsorption kinetics model was satisfied with particle diffusion model.
Key Words: chloroacetylated Poly (styrene-divinylbenzene) microsphere; Atom transfer radical polymerization; hydrophilic comb-like epoxy brushes resin; boron adsorption
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目录
摘 要 I
ABSTRACT II
第一章 文献综述 1
1.1 引言 1
1.2 高分子吸附材料的概述 1
1.3高分子吸附材料的结构 1
1.4高分子吸附材料的分类 2
1.4.1吸附树脂 2
1.4.2离子交换树脂 2
1.4.3螯合树脂 3
1.4.4手性树脂 3
1.4.5氧化还原树脂 3
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1.5 ATRP 综述 3
1.5.1 ATRP的反应机理 4
1.5.2 ATRP的优点 5
1.5.3 ATRP的缺点 5
1.6 问题的提出 5
1.7目的与意义 6
1.7.1 研究目的 6
1.7.2 研究意义 6
第二章 基于ATRP法的亲水性梳状羟胺树脂的制备 7
2.1研究背景 7
2.2实验试剂 7
2.3实验仪器 8
2.4 羟胺树脂(PS-acyl-g-P(AM-GMA-DEA))的合成 8
2.5 树脂表征 9
2.6 反应条件对PS-acyl-g-P(AM-co-GMA-DEA)合成的影响 9
2.6.1 溶剂极性对增重率的影响 9
2.6.2溶剂量对增重率的影响 10
2.6.3 温度和时间对反应的影响 11
2.6.4 DEA用量对反应的影响 11
2.6.5 不同链长的环氧树脂对反应的影响 12
第三章 亲水性梳状羟胺树脂吸硼的应用研究 14
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3.1研究背景 14
3.2实验试剂与仪器 14
3.3硼的检查 14
3.3.1 试剂配制 14
3.3.2 标准曲线绘制 15
3.3.3待测样品的吸光度测定 15
3.4树脂对硼的静态吸附 15
3.5 PS-acyl-g-P(AM-co-GMA-DEA)树脂对硼吸附等温线 16
3.5.1 PS-acyl-g-P(AM-co-GMA-DEA)树脂吸附动力学 17
3.5.2 吸附动力学模型 17
第四章 结论与展望 19
4.1结论 19
4.2展望 19
参考文献 20
致 谢 23 [资料来源:Doc163.com]
