用球磨法制备氧化锑/高岭土复合阻燃微粉，用热重（TG）、差示扫描量热法（DSC）对其阻燃特性进行了分析，激光光散射粒度分布仪分析了粒子的分布情况。结果表明，高岭土结构变化的起始温度降低,高岭土与氧化锑的化合反应在一个较窄的温度范围内进行。掺杂高岭土量大时,化合反应的活化能E变小,频率因子A变大,复合反应为0级反应。
Ultrafine Sb2O3 powders were prepared by ball mill methods; thecharacteristics of the composite powder was studied by TG,DSC and laser scattering methods. The results show that the beginning temperature of kaolin structure variation becomes low; the beginning temperature of kaolin structure variation is also changed with the quantity of Sb2O3 in the composite powder. The chemical combination reaction of Sb2O3 and kaolin is proceeded at a narrow range of temperature. To Sb2O3,when the quantity of kaolin in the composite powder is large, the active energy E of the chemical combination reaction becomes small, the frequency factor A value becomes large, and the composite reaction is 0 grade reaction.
参考文献
| [1] | 尹荔松,危韧勇,周歧发,张进修.Sb2O3阻燃超细粉的制备和阻燃特性研究[J].材料工程,1999(12):9-12. |
| [2] | 尹荔松;周歧发;唐新桂 等.高岭土精细化处理[J].中山大学学报(自然科学版),1998,37(05):110-111. |
| [3] | 尹荔松;周歧发;唐新桂 等.超细Sb2O3微粉的合成与阻燃特性[J].中山大学学报(自然科学版),1998,37(04):102-106. |
| [4] | 尹荔松,周歧发,唐新桂,林光明,张进修,黄超亮.焙烧高岭土的相变研究[J].光谱实验室,1998(03):0. |
| [5] | 于伯龄;姜胶东.实用热分析[M].北京:中国纺织工业出版社,1990:138-147. |
| [6] | T 艾伦;喇华璞;童三多;施娟英.颗粒大小测定[M].北京:中国建筑工业出版社,1984:8. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%