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麻疯树籽油生物柴油-0#柴油混合燃料与橡胶、塑料的兼容性

张家栋1,尚 琼2,鲁厚芳1,梁 斌1   

  1. 1四川大学化工学院,四川 成都 610065;2兰州城市学院化学与环境学院,甘肃 兰州 730070
  • 出版日期:2013-08-05 发布日期:2013-08-05

Compatibility of rubbers and plastics in Jatropha curcas L. biodiesel-0#diesel blended fuels

ZHANG Jiadong1,SHANG Qiong2,LU Houfang1,LIANG Bin1   

  1. 1 College of Chemical Engineering,Sichuan University,Chengdu 610065,Sichuan,China;2 College of Chemistry and Environmental Science,Lanzhou City University,Lanzhou 730070,Gansu,China
  • Online:2013-08-05 Published:2013-08-05

摘要: 麻疯树籽油是制备生物柴油的优良原料油,由其制得的生物柴油具有良好的应用前景。为了分析和评价在运输、储存和使用过程中麻疯树籽油生物柴油与材料的相互影响,本文主要考察了4种橡胶和4种塑料分别与麻疯树籽油生物柴油-0#柴油混合燃料的相互作用及影响。试验结果表明:生物柴油混合燃料与材料接触28~56天后,其酸值和运动黏度仍满足国家标准要求;氟橡胶质量、硬度变化小,厚度的变化率小于18.00%,拉伸强度变化率小于?22.00%,有较好的耐甲酯性,而氯丁橡胶、三元乙丙橡胶及丁腈橡胶不能长期使用;生物柴油混合燃料对4种塑料厚度、质量的影响较小,其稳定性较好。

关键词: 生物柴油, 橡胶, 塑料, 兼容性

Abstract: Biodiesel derived from transesterification of Jatropha curcas L. oil has a good application prospect as a renewable energy. To analyze and evaluate the compatibility of Jatropha curcas L. biodiesel and its blends of petroleum diesel with materials which were used in transportation,storage and application,interactions between eight materials (four types of rubbers and four types of plastics) and Jatropha curcas L. biodiesel-0#diesel were analyzed. The results showed that acid value and viscosity of fuels met national standards after immersion for 28—56 days. Fluorine rubber showed a good compatibility with the fuels,its weight and hardness changed a little,the increase rate of thickness was less than 18.00%,and the decrease rate of tensile strength was less than ?22.00%. On the contrary,chloroprene rubber,EPDM rubber and butadiene acrylonitrile rubber were incompatible with the fuels for a long time. The changes of thickness and weight of four types of plastics were small,and their mechanical properties showed good stability.

Key words: biodiesel, rubber, plastic, compatibility

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