工艺参数对聚乙烯溶剂热液化降解影响的研究进展  

Research progress in influence of process parameter on solvothermal liquefaction degradation of polyethylene

作　　者：孟佳 刘同举[1] MENG Jia;LIU Tongju(Sinopec(Beijing)Research Institute of Chemical Industry Co,Ltd,Beijing 100013,China)

机构地区：[1]中石化(北京)化工研究院有限公司,北京100013

出　　处：《中国塑料》2024年第12期90-96,共7页China Plastics

摘　　要：以聚乙烯(PE)这一广泛应用的塑料为例,从降解机理出发,综述了工艺条件包括温度、压力、停留时间、溶剂种类和溶剂/塑料(S/P)质量比对降解产物分布的影响。此外介绍了目前见诸报道的工业化装置,并展望了未来的研究方向。This paper reviewed the research progress in the influence of process conditions,including temperature,pres-sure,residence time,solvent type,and mass ratio of solvent to plastics,on the distribution of degraded products from the aspect of its degradation mechanisms by taking a widely used thermoplastic,polyethylene,as the example.In addi-tion,the industrialization devices reported currently for solvothermal liquefaction degradation were introduced,and the future research direction was prospected.

关 键 词：聚乙烯 溶剂热液化 降解 

分 类 号：TQ325.12[化学工程—合成树脂塑料工业]