CAJ | 학술논문

考察了不溶性硫黄制备过程中稳定剂种类及用量、反应温度及恒温时间对产物中不溶性硫黄的含量及高温稳定性的影响，通过扫描电镜、X射线衍射仪及差示扫描量热仪对产物进行了分析。结果表明，防老剂264与硬脂酸钙并用作为稳定剂的效果要优于单一使用防老剂264或硬脂酸钙，使用该复合稳定剂的最佳反应条件为温度240℃、稳定剂质量分数为硫黄的0.10％、恒温时间30 min，所制备产物中不溶性硫黄的质量分数可达到46.24％，高温稳定性可达到60.24％。
고찰료불용성류황제비과정중은정제충류급용량、반응온도급항온시간대산물중불용성류황적함량급고온은정성적영향，통과소묘전경、X사선연사의급차시소묘량열의대산물진행료분석。결과표명，방로제264여경지산개병용작위은정제적효과요우우단일사용방로제264혹경지산개，사용해복합은정제적최가반응조건위온도240℃、은정제질량분수위류황적0.10％、항온시간30 min，소제비산물중불용성류황적질량분수가체도46.24％，고온은정성가체도60.24％。
The insoluble sulfur was prepared , and the effects of the type and dosage of stabilizers , re-action temperature and thermostatic reaction time on content and high-temperature stability of the insolu-ble sulfur were studied.The obtained product was characterized by scanning electron microscope , X-ray diffraction and differential scanning calorime-try.The results showed that the efficiency of antioxi-dant 264/calcium stearate complex stabilizer was better than that of antioxidant 264 or calcium stea-rate single stabilizer.Under the optimized condition of stabilizer/sulfur ( mass ratio ) 1/1 000 , reaction temperature 240 ℃ and thermostatic reaction time 30 min, the mass fraction and high-temperature sta-bility of the insoluble sulfur reached up to 46.24%and 60.24%, respectively.