聚乙烯蜡裂解α-烯烃合成聚α-烯烃基础油

以聚乙烯蜡裂解产物α-烯烃为原料，在AlCl3催化作用下合成聚α-烯烃（PAO）。考察催化剂用量、反应时间、反应温度对合成PAO性质以及收率的影响。结果表明：在AlCl3用量为3%（占原料的质量分数）、反应时间为3 h、反应温度为60 ℃的条件下，合成PAO 40 ℃运动黏度为29.71 mm2 /s，100 ℃运动黏度为5.74 mm2 /s，黏度指数为145，倾点为-43 ℃，合成PAO收率为63%。

SYNTHESIS OF PAO BASE OIL USING ALPHA OLEFIN FROM POLYETHYLENE WAX CRACKING

The α-olefin was prepared by pyrolysis of polyethylene wax, which was used as the raw material to synthesize poly-α-olefin (PAO) under the action of AlCl3. The effects of catalyst amount, reaction time and temperature on the properties and yield of polyalpha-olefins were investigated. The results showed that at AlCl3 amount of 3% (mass fraction, raw material quantity as the benchmark), reaction time of 3h and reaction temperature of 60 ℃, the yield of synthetic polyolefin oil is 63%, the viscosity is 29.71 mm2/s (40 ℃) and 5.74 mm2/s (100 ℃), and the viscosity index is 145 with a pour point of -43℃.