CAJ | 학술논문

制备了一种新型高氢调敏感性乙烯淤浆聚合用催化剂（简称SEL催化剂）。考察了SEL催化剂的组成、粒子形态，催化乙烯均聚合与共聚合的性能，以及用其制备的聚乙烯的性能，并与商业化的同类型进口催化剂（简称参比催化剂）进行了对比。结果表明：SEL催化剂中钛含量高而镁含量低，粒径分布窄，颗粒形态规整；SEL催化剂催化乙烯聚合时氢调敏感性好，氢气分压为0.48MPa，乙烯分压为0.25MPa时，聚乙烯熔体流动速率达226.10g/10min；SEL催化剂催化乙烯与1-己烯共聚合的性能和聚乙烯粉料中细粉含量等均优于参比催化剂。
제비료일충신형고경조민감성을희어장취합용최화제（간칭SEL최화제）。고찰료SEL최화제적조성、입자형태，최화을희균취합여공취합적성능，이급용기제비적취을희적성능，병여상업화적동류형진구최화제（간칭삼비최화제）진행료대비。결과표명：SEL최화제중태함량고이미함량저，립경분포착，과립형태규정；SEL최화제최화을희취합시경조민감성호，경기분압위0.48MPa，을희분압위0.25MPa시，취을희용체류동속솔체226.10g/10min；SEL최화제최화을희여1-기희공취합적성능화취을희분료중세분함량등균우우삼비최화제。
A?novel?high?hydrogen?sensitive?catalyst?for?ethylene?slurry?polymerization,named?as?SEL?catalyst,was?prepared.?The?composition,particle?morphology,catalytic?performance?for?ethylene?homopolymerization?and?copolymerization?of?the?catalyst?and?properties?of?the?polyethylene?obtained?was?characterized?and?compared?with?those?of?a?commercial?similar?imported?catalyst,named?as?Ref?catalyst.?The?results?show?that?SEL?catalyst?has?high?Ti?and?low?Mg?in?composition,narrow?particle?size?distribution?and?regular?particle?morphology.?The?melt?flow?rate?of?the?polyethylene?reaches?226.10?g/10?min?when?the?hydrogen?pressure?is?0.48?MPa?and?ethylene?pressure?is?0.25?MPa,which?indicate?that?SEL?catalyst?has?high?hydrogen?sensitivity.?SEL?catalyst?is?superior?to?Ref?catalyst?in?performance?for?ethylene/1-hexene?copolymerization?and?low?fine?particle?content?of?polyethylene?powders?obtained.