为了获得无卤阻燃ABS产品,选用了磷酸酯类阻燃剂和成炭剂复配的方式对ABS进行了阻燃研究.合成了两种阻燃剂:四-(2,6-二甲苯基)间苯二酚二磷酸酯(DMP-RDP)、四-(2,6-二甲苯基)对苯三酚二磷酸酯(DMP-HDP),采用FTIR、1H-NMR、TGA等对产物进行了表征.将两种含磷阻燃剂分别和酚醛树脂复配对ABS进行阻燃处理,并研究其热降解行为.氧指数(LOI)测试显示,两种含磷阻燃剂和酚醛树脂复配比例为4:1时,LOI最大,且DMP-HDP的氧指数稍高.结合TGA分析,阻燃剂复配可以促进成炭,磷残留于炭层中,有利于阻燃,炭残余量越大,炭层越稳定,阻燃效果越好.
参考文献
| [1] | Costa L.;Camino G.;Weil ED.;Pearce EM.;Di Montelera LR. .Flame-retardant properties of phenol-formaldehyde-type resins and triphenyl phosphate in styrene-acrylonitrile copolymers[J].Journal of Applied Polymer Science,1998(7):1067-1076. |
| [2] | CHETAN M S;GHADAGO R S;RAJIAN C R et al.Themolysis of orthonovolaks.Ⅱ.P.henol-formaldehyde and anaphthol-formaldehyde resins[J].Journal of Applied Polymer Science,1993,50:685-692. |
| [3] | JACKSON W M;CONLEY R T .High-temperature oxidative degradation of phenol-formaldehyde polycondensates[J].Journal of Applied Polymer Science,1964,8:121-129. |
| [4] | 李晓丽,李斌.阻燃ABS树脂及其合金的研究进展[J].高分子材料科学与工程,2005(01):48-51,56. |
| [5] | Suzuki M.;Wilkie CA. .THE THERMAL DEGRADATION OF ACRYLONITRILE-BUTADIENE-STYRENE TERPOLYMER AS STUDIED BY TGA/FTIR[J].Polymer Degradation and Stability,1995(2):217-221. |
| [6] | Yang MH. .The thermal degradation of acrylonitrile-butadiene-styrene terpolymer under various gas conditions[J].Polymer Testing,2000(1):105-110. |
| [7] | Lee K.;Yoon K.;Kim J.;Bae J.;Yang J.;Hong S. .Effect of novolac phenol and oligomeric aryl phosphate mixtures on flame retardance enhancement of ABS[J].Polymer Degradation and Stability,2003(1):173-179. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%