CAJ | 학술논문

要:?将笼状磷酸酯微胶囊(ET)与聚磷酸铵(APP)复配用于阻燃聚丙烯(PP).采用氧指数和UL?94评价了阻燃PP的阻燃性能,采用热重分析、扫描电子显微镜照片、傅里叶变换红外光谱及X射线电子能谱研究了阻燃剂的协同效应和阻燃机理.结果表明:ET与APP有较好的复配协同效应,ET/APP的阻燃性能随m(ET)/m(APP)的不同而变化.当m(ET)/m(APP)为1∶2时,阻燃效果最好.w(ET/APP)为30%?时,氧指数达29.7%,且达到UL?94?V-0级.
요:?장롱상린산지미효낭(ET)여취린산안(APP)복배용우조연취병희(PP).채용양지수화UL?94평개료조연PP적조연성능,채용열중분석、소묘전자현미경조편、부리협변환홍외광보급X사선전자능보연구료조연제적협동효응화조연궤리.결과표명:ET여APP유교호적복배협동효응,ET/APP적조연성능수m(ET)/m(APP)적불동이변화.당m(ET)/m(APP)위1∶2시,조연효과최호.w(ET/APP)위30%?시,양지수체29.7%,차체도UL?94?V-0급.
@@@@A?novel?microcapsulated?caged-phosphate?(ET)?was?compounded?with?ammonium?polyphosphate?(APP)?to?flame?retard?polypropylene?(PP).?The?flame?retardancy?of?the?flame?retardant?PP?were?evaluated?by?limiting?oxygen?index?(LOI)?and?UL?94?test,?and?the?synergistic?effect?and?flame?retardant?mechanism?were?studied?by?thermogravimetric?(TG)?analysis,?scanning?electron?microscopy?(SEM),?Fourier?transmission?infrared?spectroscopy?(FTIR)?and?X-ray?photoelectron?spectroscopy?(XPS).?The?results?indicate?that?there?is?good?synergistic?effect?between?ET?and?APP.?Moreover,?the?flame?retardancy?of?ET/APP?varies?with?their?mass?ratio.?And?the?optimal?flame?retardancy?can?be?obtained?when?the?mass?ratio?of?ET?to?APP?is?1∶2.?When?the?mass?content?of?ET/APP?is?30%,?LOI?of?the?flame?retardant?PP?reaches?29.7%,?and?UL?94?V-0?rating?can?be?achieved.