Enhanced Thermal Stability and Flame Retardancy of Poly(Vinyl Chloride) Based Composites by Magnesium Borate Hydrate-Mechanically Activated Lignin

被引：8
作者：
Zhang, Wuxiang [1 ]
Wu, Haoran [1 ]
Zhou, Nan [1 ]
Cai, Xiunan [1 ]
Zhang, Yanjuan [1 ]
Hu, Huayu [1 ]
Feng, Zhenfei [2 ]
Huang, Zuqiang [1 ]
Liang, Jing [1 ]
机构：
[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
[2] Guangxi Univ, Sch Mech Engn, Nanning 530004, Peoples R China
来源：
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS | 2021年 / 31卷 / 09期
基金：
中国国家自然科学基金;
关键词：
Polymer-matrix composites; Lignin; Magnesium borate hydrate; Thermal properties; Flame retardancy;
D O I：
10.1007/s10904-021-02019-9
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
To improve the thermal stability and flame retardancy of poly(vinyl chloride) (PVC) based composites, magnesium borate hydrate-mechanically activated lignin (MBH-MAL) complex was in-situ synthesized by hydrothermal method for using as a novel additive. In addition, MBH-lignin (MBH-L) complex, MAL, MBH, and common mixing of MBH and MAL (MBH+MAL) were also prepared for comparative investigation. MBH-MAL showed synergistic improving effect on PVC as MBH-MAL/PVC composite exhibited excellent thermal stability and flame retardancy. The static thermal stability time was 871 s and limit oxygen index was 32.54%, indicating that MBH-MAL effectively inhibited the generation of HCl from thermal decomposition of PVC and prevented the combustion of PVC based composites in air. MBH-MAL/PVC composite still exhibited outstanding tensile and flexural properties. Moreover, the enhancing mechanism of MBH-MAL on the thermal stability and flame retardancy of PVC based composites was proposed. [GRAPHICS] .
引用
收藏
页码：3842 / 3856
页数：15
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