【摘要】 对石蜡改性聚乙烯蜡的空气氧化进行了研究,考察了石蜡加入量、催化剂用量、激发温度、反应温度、反应时间和空气流速对反应过程的影响。结果表明:在石蜡加入量35%、催化剂W-1用量2.5～3.5%、激发温度170～180℃、反应温度145～150℃、反应7h及空气流速5～6m/s的反应条件下,可以制得酸值30～35mgKOH·g-1的氧化蜡。产物红外谱图表明产物主要由脂肪酸、酯以及一部分未反应的原料组成。更多还原

【Abstract】 Reaction properties of polyethylene wax modified by paraffin wax catalyzed by W-1 catalyst with air oxidation were studied in this paper.The effects of paraffin wax content,catalyst content,activation temperature,reaction temperature,reaction time,air speed on the catalytic oxidation reaction were researched.The results show that the optimum conditions for oxidized wax are: paraffin content:35%,catalyst content:2.5%～3.5%,activation temperature:170～180℃,reaction temperature:145～150℃,reaction time:7 h,air speed:5～6 m/s,the oxidized waxes,the acid number of which is 30～35 mgKOH.g-1,could be obtained.The infrared spectrum show that the product was mainly consisted of fatty acid,ester and a part of reactants.更多还原