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摘要本文对核壳型含氟丙烯酸酯聚合乳液的工艺影响规律和产物结构表征方面进行了研究讨论。以甲基丙烯酸甲酯和丙烯酸丁酯为复合单体，2-全氟己基甲基丙烯酸乙酯和甲基丙烯酸十751酯为功能单体，在非离子NP-40和阳离子C18TAB的复配乳化剂体系下，采用预乳化半连续聚合工艺合成了核壳型含氟丙烯酸酯乳液，进行了单因素平行实验探索了乳化剂配比、乳化剂用量、氟单体用量和反应温度这四个因素对聚合反应工艺影响的规律,并对产物进行了红外和透射电镜表征。结果表明：当复合乳化剂NP-40与C18TAB质量比为1：2且总量为3%，氟单体用量为12%，反应温度为70℃时，可以获得较高转化率，较低凝胶率的稳定性高，膜吸水性低，水油接触角大的核壳型含氟丙烯酸酯乳液。本次实验成功的探知了对C6含氟三防整理剂的工艺影响规律和产物表征，在不降低三防整理剂防水防油性能的前提下，减少氟单体用量来降低成本。21970
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关键词：核壳;三防助剂;产物表征
毕业论文设计说明书（论文）外文摘要
Title Preparation and characterization of fluorinated multi core-shell emulsion
Abstract
Several technical factors and structure characterizations of core-shell fluorinated acrylate emulsion were discussed in this study. Methyl methacrylate(MMA) and butyl acrylate (BA)were used as compound monomers, 2 – per fluorinated hexyl ethyl methacrylate and methyl hexadecyl methacrylate were used as functional monomers. Under the mixing emulsifiers systems of nonionic and cationic, semi-continuous emulsion polymerization process was used to compound core-shell fluorinated acrylate emulsion. Effects of the mass ratio of monomer in core to in shell, the amount of emulsifier, the amount of fluorine monomer, and reaction temperature were discussed and the products were characterized by IR and transmission electron microscopy. The results show that the core - shell fluorinated acrylate emulsions with proper viscosity, uniform particle size distribution, good stability and excellent mechanical property of the coating can be prepared when the mass of compound emulsifier was 4%( NP-40:C18TAB=1:2), the mass of fluorine monomer was 12% and the reaction temperature was 70℃. In this study, technical factors and structure characterizations of C6 ‘triple-proofing’ finish were studied successfully and qualities of products were matained with decreasing the mass of fluorine monomer.
Key words: Core-shell; ‘triple-proofing’finish; product characterization
目录
摘要 2
Abstract 3
1. 绪论 5
1.1 概述 5
1.2 含氟丙烯酸酯三防整理剂的结构与性质 5
1.3 研究现状与进展 6
1.3.1 国外三防整理剂研究现状 6
1.3.2 国内三防整理剂研究现状 7
1.4 存在的问题 8
1.5 研究课题任务与研究意义 9
1.5.1研究课题任务 9
2.实验部分 10
2.1仪器药品 10
2.2 实验原理 11
2.2.1 含氟聚合物成膜界面 11
2.2.2 静态的表征-接触角 11
2.3 方案设计 13
2.3.1总体的方案思路 13
2.3.2 具体的方案设计图 14
2.4 实验步骤 15
2.4.1 聚合实验方法 15
2.4.2 单因素平行实验 15
2.4.3红外与透射表征 24