Preparation and Properties of Emulsion Coating of Polyacrylate Modified by In-situ Nano-hybrid Silica

被引：0
|
作者：
Gao, Jungang [1 ]
Lv, Hongqiu [1 ]
Zhang, Xuefang [1 ]
机构：
[1] Hebei Univ, Coll Chem & Environm Sci, Baoding 071002, Peoples R China
来源：
ADVANCED MATERIALS, PTS 1-4 | 2011年 / 239-242卷
关键词：
emulsion coating; polyacrylate; nano-silica; nanocomposites;
D O I：
10.4028/www.scientific.net/AMR.239-242.3221
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The polyacrylate emulsion coating modified by nano-silica was prepared by In-situ method. Tetraethoxysilane (TEOS) was added as the precursor of SiO2 in the late of the emulsion polymerization. The structure and properties of emulsion and latex film were characterized. The results showed that the nano-hybrid silica/polyacrylate emulsion coating with good performance can be prepared by In-situ method. FTIR analysis indicated that the -Si-O-Si- structure has embodied in the coating film. The particle diameter of emulsion is 378nm when nano-SiO2 content is 6% and the dispersing index is 0.164. The mechanical loss peak temperature (T-p) of coating film with 6% nano-SiO2 is 60.6 degrees C which increase 6 degrees C than pure emulsion film. The nano-hybrid emulsion coating has a good performance, such as good acid-alkali resistance and hardness.
引用
收藏
页码：3221 / 3224
页数：4
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