橡胶技术网

合成橡胶工业
CHINA SYNTHETIC RUBBER INDUSTRY
2010 Vol.33 No.3 P.171-175

橡胶技术网

连续机械剪切对废旧轮胎胶粉脱硫效果的影响

张凯钧  王睿  刘春林  廖华勇  陶国良 

摘 要:利用自行研制组装的剪切型双螺杆挤出机对废旧轮胎胶粉进行连续机械剪切脱硫,考察了螺杆转速和加工温度对胶粉脱硫效果的影响.结果表明,在螺杆转速为120 r/min,螺杆部分加热输送区、多段压缩和分段剪切区、混炼剪切区3个区段的加工温度分别为250,230,200 ℃的条件下,胶粉的凝胶质量分数由脱硫前的97.71%最低可下降到67.57%,交联密度由脱硫前的5.00×10-4 mol/mL最低可下降到1.08×10-4 mol/mL,具有很好的脱硫效果.
关键词:废旧轮胎胶粉;双螺杆挤出机;连续机械剪切脱硫;螺杆转速;加工温度;凝胶;交联密度
分类号:TQ330.56  文献标识码:B

文章编号:1000-1255(2010)03-0171-05

Effect of continuous mechanical shearing on devulcanization of waste tire rubber powder

Zhang Kaijun  Wang Rui  Liu Chunlin  Liao Huayong  Tao Guoliang 

作者简介:张凯钧(1983-),男,硕士研究生.已发表论文1篇.
作者单位:张凯钧(江苏工业学院,材料学院,江苏,常州,213164) 
     王睿(江苏工业学院,材料学院,江苏,常州,213164) 
     刘春林(江苏工业学院,材料学院,江苏,常州,213164) 
     廖华勇(江苏工业学院,材料学院,江苏,常州,213164) 
     陶国良(江苏工业学院,材料学院,江苏,常州,213164) 

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收稿日期:2009年3月19日

修稿日期:2010年2月22日

出版日期:2010年5月15日