TiO 2/SiO2/kaolinite hybrid filler to improve the flame retardancy, smoke suppression and anti-aging characteristics of epoxy resin

被引：26

作者：

Fan, Haizhou ^{[1
]}

Zhao, Jingmao ^{[1
]}

Zhang, Jingfan ^{[1
]}

Li, Hongfei ^{[1
]}

Zhang, Sheng ^{[1
]}

Sun, Jun ^{[1
]}

Xin, Fei ^{[2
]}

Liu, Fang ^{[3
]}

Qin, Zuodong ^{[3
]}

Tang, Wufei ^{[3
]}

机构：

[1] Beijing Univ Chem Technol, Key Lab Carbon Fiber & Funct Polymers, Minist Educ, Beijing 100029, Peoples R China

[2] Beijing Technol & Business Univ, Engn Lab Nonhalogen Flame Retardants Polymers, Beijing 100048, Peoples R China

[3] Hunan Univ Sci & Engn, Coll Chem & Bioengn, Hunan Engn Technol Res Ctr Comprehens Dev & Utili, Yongzhou 425199, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2022年 / 277卷

关键词：

Kaolinite; Flame retardant; Anti-ageing; Smoke suppression; Epoxy resin; TITANIUM DIOXIDE; NANOCOMPOSITES; DEGRADATION; PERFORMANCE; STABILITY; SYSTEM; FTIR;

D O I：

10.1016/j.matchemphys.2021.125576

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A multi-functional kaolinite-based compound (AST@Kaol) was prepared by successive loading of TiO2 and SiO2 to the surface of metakaolinite (Kaol), followed by reaction with gamma-aminopropyl triethoxysilane (APTES). The hybrid was then introduced to epoxy resin (EP) to enhance flame retardancy, smoke suppression and anti-aging properties. The results demonstrated the presence of only 3 wt% AST@Kaol can increase the value of limit oxygen index (LOI) of EP composite to 27.3% from 25.3% of neat EP, as well as decrease the value of heat release rate, total smoke release and the smoke density by 36.9, 14.3 and 19.9%, respectively, compared to neat EP. Besides, the thermal stability and thermal oxidative resistance of EP composites was enhanced. The mechanism of fire retardancy, anti-ageing and mechanical of the EP composite containing AST@Kaol was also speculated.

引用

页数：9

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