反应性单体丙烯酸改性Sb_2O_3填充PP的热降解行为  

The Degradation Behavior of Sb_2O_3/Polypropylene Modified by Acrylic Acid

作　　者：麦堪成[1] 李日强[1] 

机构地区：[1]中山大学化学与化学工程学院材料科学研究所

出　　处：《合成材料老化与应用》2004年第3期1-3,16,共4页Synthetic Materials Aging and Application

基　　金：广东省自然科学基金团队研究和重点项目;广东省科技攻关项目和广州市科技攻关项目

摘　　要：用双螺杆挤出机制备了三氧化二锑/聚丙烯(Sb_2O_3/PP)和有无引发剂DCP存在下丙稀酸(AA)改性Sb_2O_3/PP。用TGA方法研究了制备样品的热降解行为。结果表明Sb_2O_3的加入明显提高了PP的热分解温度和热稳定性。反应性单体丙烯酸改性可改善Sb_2O_3与PP的界面相互作用和填料的分散性,而对Sb_2O_3的热降解行为无大的影响。The Sb_2O_3/polypropylene and the Sb_2O_3/polypropylene modified by acrylic acid with or without DCP were prepared by using a twin-screw extruder. The degradation behavior of Sb_2O_3/polypropylene and modified Sb_2O_3/polypropylene were investigated by TGA. The results indicated that the thermal stability and the temperature of degradation of PP significantly increase by addition of Sb_2O_3. not only addition of acrylic acid improved the inteffacial interaction between the Sb_2O_3 and PP, but also almost unchanged the degradation behavior of Sb_2O_3/polypropylene

关 键 词：SB2O3 热降解行为 PP 单体 丙烯酸 填充 反应性 AA TGA 方法研究 

分 类 号：TQ325.14[化学工程—合成树脂塑料工业] TQ174.758