热分析法研究卤磷阻燃剂的作用机理

STUDY ON THE FLAME-RETARDATION MECHANISM OF PHOSPHATE AND/OR HALIDE COMPOUNDS BY THERMAL ANALYSIS

热分析法(DSC与TG)研究结果表明在阻燃环氧树脂酸酐固化物时磷酸三苯酯主要按气相机理发挥作用,含卤阻燃剂主要按固相机理发挥作用。卤磷阻燃剂配合使用具有较大的阻燃协同效应,其中脂肪族含卤化合物时以气相协同为主,芳香族含卤化合物时以固相协同为主。

This paper reports the flame-retardation mechanism of triphenyl phosphate ( TPP), bromocarboxylate (HB - 1), chlorinated paraffin - 50 (CP - 50) and/or decabro-modiphenyl oxide (FR -10) in acid anhydride cured epoxy resin. TPP, TPP - HB- 1 or TPP -CP - 50 acts primarily with a rapor - phase mechanism, halide(HB-1 ,CP-50, FR -10) or TPP-FR-10 acts primarily with a condensed - phase mechanism. The studying method is thermal analysis(TG and DSC).