微胶囊化多聚磷酸铵的耐水性及其在聚丙烯中的阻燃性能.pdf

23 9 V ol . 2 3, N o. 9 2009 9 CHINA PLASTICS Sept . , 2009 马志领, 唐慧鹏, 路正宇, 王岳峰, 翟文清 ( , 071002) : ( M F ) , ( A PP ) ( M AP P) , M A PP , AP P/ M F= 3/ 1( , ) , M A PP 50 e 0 . 052 g/ 100 m L , AP P 7 8 % 78 . 6 cm3 / g, ( PP ) / M A PP P P/ A PP , , PP/ M A PP PP/ A PP , P P/ M A P P= 70/ 30 , 30. 6 % : : T Q 325. 1+ 4 : B : 100 1- 927 8( 2009) 09- 0076- 04 Water Resistibility of Microencapsulation Ammonium Polyphosphate and Its Flame Retardancy in Polypropylene M A Z hi-ling , T AN G H u-i p eng, L U Zheng- yu, WA N G Y ue-f eng, ZH A I W en- qing ( Colleg e of Chem ist ry and Env iro nm ental Science, H ebei U niversity, Baoding 071002, China) Abstract A mmo nium po lyphosph at e ( A P P) w as encapsulat ed w it h m elamine fo rmaldehyde resin ( M F) f orm ing cap sules ( M A P P) . When t he mas s r at io of A PP / MF w as 3/ 1, t he so lubility of t he cap sules in w at er at 50 e w as 0. 052 g/ 100 m L, redu ced 7 8 % co mpared to A PP t he int um escent 3 deg ree reached 78. 6 cm / g. T he M A PP capsules w ere int roduced into po lypropylene as an int u- mescent f lame ret ardant. T he t hermal analy sis indicat ed t h at t he degr adation of P P/ M A PP w as mo re rap idly w it h r educed heat release co mpared to neat A PP . Due t o t he for mat io n o f poro us car- bo n layers, t he flam e ret ardancy o f P P/ M A PP w as bet t er t han t hat of