Mechanical and Thermal Properties of Waterborne Polyurethane Films Modified by CaCO3@TiO2 Particles with UV Absorption Activity

被引：3
|
作者：
Jiang Tiechao [1 ]
Fan Qingqiu [2 ]
Huang Chunying [2 ]
Li Zhen [2 ]
Guo Lijie [2 ]
Zhou Bing [2 ]
机构：
[1] Jilin Univ, China Japan Union Hosp, Changchun 130031, Jilin, Peoples R China
[2] Jilin Univ, Coll Chem, Changchun 130021, Jilin, Peoples R China
来源：
CHEMICAL RESEARCH IN CHINESE UNIVERSITIES | 2017年 / 33卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Waterborne polyurethane; CaCO3@TiO2 particle; In situ polymerization; ANTIBACTERIAL PROPERTIES; NANOPARTICLES; NANOCOMPOSITES; COATINGS;
D O I：
10.1007/s40242-017-7088-8
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
CaCO3@TiO2 particles were synthesized through a direct carbonation method, which can be used as the substitutes of TiO2 in pigments and coatings. To improve the dispersion in waterborne polyurethane(WPU) suspensions, CaCO3@TiO2 particles were modified by stearic acid. SEM tests of the fractured surfaces of the composites films showed that the CaCO3@TiO2 particles were well embedded in the WPU matrix. And the mechanical properties, thermal stability and water resistance of the composites films were improved by the introduction of CaCO3@TiO2 particles.
引用
收藏
页码：1007 / 1011
页数：5
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