Combustion and Thermal Degradation Mechanism of a Novel Intumescent Flame Retardant for Epoxy Acrylate Containing Phosphorus and Nitrogen

被引：117

作者：

Qian, Xiaodong ^{[1
,2
]}

Song, Lei ^{[1
]}

Hu, Yuan ^{[1
,2
]}

Yuen, Richard K. K. ^{[2
,3
]}

Chen, Lijuan ^{[1
]}

Guo, Yuqiang ^{[1
]}

Hong, Ningning ^{[1
]}

Jiang, Saihua ^{[1
]}

机构：

[1] Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China

[2] Univ Sci & Technol China, USTCCityU Joint Adv Res Ctr, Suzhou Key Lab Urban Publ Safety, Suzhou Inst Adv Study, Suzhou 215123, Jiangsu, Peoples R China

[3] City Univ Hong Kong, Dept Bldg & Construct, Kowloon, Hong Kong, Peoples R China

来源：

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2011年 / 50卷 / 04期

关键词：

PHOTOPOLYMERIZATION; BEHAVIORS; POLYMERS; KINETICS; OLIGOMER; COATINGS; BLENDS; RESINS;

D O I：

10.1021/ie102196k

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

A novel phosphorus- and nitrogen-containing compound (POPHA) has been synthesized by allowing phosphorus oxychloride to react with piperazine and 2-hydroxyethyl acrylate (HEA). Its structure was characterized by FTIR, H-1 NMR, and P-31 NMR. A series of UV-curable flame-retardant resins were obtained by blending POPHA with EA M different ratios. The flame-retardant properties were characterized by the limiting oxygen index (LOI) and microscale combustion calorimeter (MCC). The results showed that the incorporation of POPHA into FA can improve the flame retardancy of EA dramatically. The thermal properties of the resins were investigated by thermogravimetric analysis (TGA) in air atmosphere. Moreover, the thermal degradation mechanisms of the EA/POPHA were investigated by real-time Fourier transform infrared spectra (RTIR), thermogravimetric analysis/infrared spectrometry (TG-IR), and direct pyrolysis/mass (DP-MS). The morphologies of the formed chars were observed by scanning electron microscopy (SEM) demonstrating the most effective amount of POPHA is 20 wt %.

引用

页码：1881 / 1892

页数：12

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