响应曲面法优化聚合硫生产工艺参数
收稿日期: 2020-03-18
网络出版日期: 2020-09-27
Response surface methodology for optimizing production process parameters of polysulfur
Received date: 2020-03-18
Online published: 2020-09-27
魏兰 . 响应曲面法优化聚合硫生产工艺参数[J]. 无机盐工业, 2020 , 52(9) : 47 -51 . DOI: 10.11962/1006-4990.2019-0512
Polymeric sulfur powder with good high temperature stability was prepared with sulfur as raw material by low tem-perature melting method.The effects of stabilizer type,reaction temperature,reaction time and stabilizer content on the high temperature stability and one-way conversion of polymeric sulfur were studied.On the basis of single-factor test,the Box-Behnken Design（BBD） experimental design method was used to find the effect rule of three factors,i.e.reaction temperature,reaction time and stabilizer content,with Design-Expert software.The mathematical model was established by variance analysis regression for prediction and verification of the optimal production process.The results showed that the better high temperature stability performance at temperature of 246 ℃,reaction time of 48.23 min and stabilizer content of 0.28% in the polymerization stage.
Key words： polymeric sulfur; insoluble sulfur; surface response method; optimization
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