Two new processes for the production of insoluble sulfur (IS) were studied in thispaper.One is low temperature polymerization process of sulfur at temperature less than 350℃ and under atmospheric pressure in the pres...Two new processes for the production of insoluble sulfur (IS) were studied in thispaper.One is low temperature polymerization process of sulfur at temperature less than 350℃ and under atmospheric pressure in the presence of catalyst promotor system,aiming at producing medium grade IS.Another is mixed solvent extraction process with a small amount of additive for the production of higher grade IS.In comparison with the old high temperature polymerization and single solvent (carbon disulfide) extraction processes respectively,these two new processes are lower in first cost and operation/maintainance cost,less energy consumption and safe in operation.展开更多
将自主开发清洁生产工艺制备的不溶性硫黄充油产品HD进行全钢胎带束层大配合实验,结果表明,利用HD制得的硫化胶料的硬度、拉伸撕裂强度、黏合性能、分散性、回弹性、老化性能、覆胶性能等各项指标完全达到生产子午胎的相关标准要求。与...将自主开发清洁生产工艺制备的不溶性硫黄充油产品HD进行全钢胎带束层大配合实验,结果表明,利用HD制得的硫化胶料的硬度、拉伸撕裂强度、黏合性能、分散性、回弹性、老化性能、覆胶性能等各项指标完全达到生产子午胎的相关标准要求。与不溶性硫黄国际领先产品Crystex HD OT20相比,采用自制HD不溶性硫黄的轮胎达到150km/h速度级别后发生冠空破坏的时间由2min延长到35min,在时速65km/h、负荷率增至150%级别后可持续运行51h才发生肩裂破坏,耐久时间延长约80%。采用自制不溶性硫黄HD轮胎的高速及耐久性能较Crystex产品有明显优势。清洁工艺制备的不溶性硫黄HD可应用于高性能全钢载重子午胎带束层。展开更多
文摘Two new processes for the production of insoluble sulfur (IS) were studied in thispaper.One is low temperature polymerization process of sulfur at temperature less than 350℃ and under atmospheric pressure in the presence of catalyst promotor system,aiming at producing medium grade IS.Another is mixed solvent extraction process with a small amount of additive for the production of higher grade IS.In comparison with the old high temperature polymerization and single solvent (carbon disulfide) extraction processes respectively,these two new processes are lower in first cost and operation/maintainance cost,less energy consumption and safe in operation.
文摘将自主开发清洁生产工艺制备的不溶性硫黄充油产品HD进行全钢胎带束层大配合实验,结果表明,利用HD制得的硫化胶料的硬度、拉伸撕裂强度、黏合性能、分散性、回弹性、老化性能、覆胶性能等各项指标完全达到生产子午胎的相关标准要求。与不溶性硫黄国际领先产品Crystex HD OT20相比,采用自制HD不溶性硫黄的轮胎达到150km/h速度级别后发生冠空破坏的时间由2min延长到35min,在时速65km/h、负荷率增至150%级别后可持续运行51h才发生肩裂破坏,耐久时间延长约80%。采用自制不溶性硫黄HD轮胎的高速及耐久性能较Crystex产品有明显优势。清洁工艺制备的不溶性硫黄HD可应用于高性能全钢载重子午胎带束层。