Page 45 - 精细化工2019年第9期

第 36 卷第 9 期 精 细 化 工 Vol.36, No.9
201 9 年 9 月 FINE CHEMICALS Sept. 2019

功能材料
乙烯基硅改性丙烯酸树脂水分散体的制备及性能

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彭盼盼，杨建军 ，吴庆云，吴明元，张建安，刘久逸
（安徽大学 化学化工学院 安徽省绿色高分子材料重点实验室，安徽 合肥 230601）

摘要：以丙烯酸（AA）、丙烯酸丁酯（BA）、丙烯酸羟乙酯（HEA）、甲基丙烯酸异冰片酯（IBOMA）和甲基
丙烯酸甲酯（MMA）为原料，以 1,3-二乙烯基四甲基二硅氧烷（DVMS）为改性剂，异丙醇（IPA）为溶剂，
偶氮二异丁腈（AIBN）为引发剂，制备丙烯酸树脂预聚体，加入三乙胺中和，加水自乳化制成一系列 DVMS
含量不同的改性丙烯酸树脂水分散体，进一步制备树脂膜。采用黏度计测试分散体黏度，采用 FTIR、TGA、XPS、
SEM、TEM 对树脂膜材料进行了表征。测试了分散体的贮存稳定性、涂膜吸水率、光泽度等性能。结果表明，
当 DVMS 加入量为 6%（以聚合单体的总质量为基准，下同）时，涂膜性能最佳，贮存稳定性较好；涂膜的拉
伸强度达到 14.3 MPa，断裂伸长率为 324%；热失重分析表明，质量损失 5%时分解温度（T 5% ）为 283 ℃；涂
膜温度为 25~35 ℃时，涂膜的致密性优异，表现高光泽度，附着力为 1 级，硬度为 2H。
关键词：丙烯酸树脂；水分散体；耐热性；有机硅；功能材料
中图分类号：TQ637 文献标识码：A 文章编号：1003-5214 (2019) 09-1773-07

Preparation and Characterization of Vinyl Siloxane
Modified Acrylic Resin Water Dispersion

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PENG Pan-pan, YANG Jian-jun , WU Qing-yun, WU Ming-yuan, ZHANG Jian-an, LIU Jiu-yi
（School of Chemistry and Chemical Engineering, Key Laboratory of Environment-friendly Polymer Materials of Anhui
Province, Anhui University, Hefei 230601, Anhui, China）

Abstract: A series of acrylic resin pre-polymers were prepared by using acrylic acid (AA), butyl acrylate
(BA), hydroxyl ethyl acrylate (HEA), isobornyl methacrylate (IBOMA) and methyl methacrylate (MMA)
as main raw materials, 1,3-divinyltetramethyldisiloxane (DVMS) as modifier, isopropyl alcohol (IPA) as
solvent, and azodiisobutyronitrile (AIBN) as initiator. Then, the modified acrylic resin water dispersions
with different content of DVMS were prepared by adding triethylamine neutralization and water
self-emulsification. At last, the resin film was prepared. The viscosity of the acrylic resin water dispersions
were tested by viscometer. The cured resin films were characterized by FTIR, TGA, XPS, SEM and TEM.
In addition, the storage stability of acrylic resin water dispersions, the water absorption of coating and the
gloss were also tested. The results showed that when the amount of DVMS was 6% (based on the total mass
of all polymerized monomers), the prepared water dispersion had better storage stability and the
corresponding resin coating exhibited excellent performance. At the same time, the tensile strength of the
coating reached 14.3 MPa. The elongation at break was 324%. The thermal decomposition temperature at
5% weight loss (T 5%) was 283 ℃. At 25~35 ℃, the coating showed good compactness, high gloss and good
adhesion, and the coating adhesion was grade 1 and the hardness was 2H.
Key words: acrylic resin; aqueous dispersion; thermostability; organosilicon; function materials

水性涂料有着一系列的潜在优异性能（如无毒、 水性涂料中发展最快、品种最多的绿色环保型涂料
不易燃、环境友好等） [1-3] ，水性丙烯酸树脂涂料是 之一 [4-8] 。由于传统的水性涂料加入表面活性剂进行

收稿日期：2019-03-04; 定用日期：2019-04-30; DOI: 10.13550/j.jxhg.20190164
基金项目：安徽省 2017 年度科技计划重点项目（1704A0902018）；安徽省高校自然科学研究重点项目（KJ2016A792）
作者简介：彭盼盼（1986—），男，博士生，工程师，E-mail：410001763@qq.com。联系人：杨建军（1960—），男，教授，博士生导
师，E-mail：andayjj@163.com。