Thermal Degradation Behavior of Thiol-ene Composites Loaded with a Novel Silicone Flame Retardant

被引：5

作者：

Chen, Haonan ^{[1
]}

Zhu, Sheng ^{[1
]}

Zhou, Rongfan ^{[1
]}

Wu, Xintong ^{[1
]}

Zhang, Wangyang ^{[1
]}

Han, Xiaoshuai ^{[2
]}

Wang, Jiangbo ^{[1
,3
]}

机构：

[1] Ningbo Univ Technol, Sch Mat & Chem Engn, Ningbo 315211, Peoples R China

[2] Nanjing Forestry Univ, Coll Mat Sci & Engn, Jiangsu Coinnovat Ctr Efficient Proc & Utilizat F, Int Innovat Ctr Forest Chem & Mat, Nanjing 210037, Peoples R China

[3] Tianjin Univ, Zhejiang Inst, Ningbo 315201, Peoples R China

来源：

POLYMERS | 2022年 / 14卷 / 20期

基金：

中国国家自然科学基金;

关键词：

flame retardancy; thiol-ene; PMDA; thermal degradation; MECHANISM;

D O I：

10.3390/polym14204335

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A novel silicone flame retardant PMDA was synthesized and blended with a commercial thiol-ene (TE) to obtain a flame-retardant TE (FRTE) composite. The cone calorimeter measurement showed the incorporation of PMDA improved the flame retardancy of the TE composite at concentrations of 5 wt%. The thermal stability and degradation mechanism of FRTE in nitrogen was studied by thermogravimetric analysis. The degradation behaviour of TE containing a PMDA flame retardant was found to be changed. The kinetics of thermal degradation was evaluated by Kissinger method and Flynn-Wall-Ozawa method. The results showed that the activation energies of the FRTE degradation were higher than those of neat TE. However, the degradation mechanism of the TE matrix was not changed by the incorporation of flame-retardant PMDA. In this study, the flame-retardant mechanism of PMDA flame-retardant TE polymer was explained by using two kinetic analysis methods.

引用

页数：9

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