STUDY ON THE PREPARATION OF BROAD MOLECULAR WEIGHT DISTRIBUTION POLYETHYLENE WITH MgCl2-SUPPORTED BIMETALLIC COMPLEX CATALYSTS Ti(OBu)Cl3/Et(Ind)2ZrCl2 AND Ti(OBu)Cl3Cp2ZrCl2
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Research Bulletin|更新时间:2021-03-19
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STUDY ON THE PREPARATION OF BROAD MOLECULAR WEIGHT DISTRIBUTION POLYETHYLENE WITH MgCl2-SUPPORTED BIMETALLIC COMPLEX CATALYSTS Ti(OBu)Cl3/Et(Ind)2ZrCl2 AND Ti(OBu)Cl3Cp2ZrCl2
SUN Aiwu, HAN Shimin, HU Youliang. STUDY ON THE PREPARATION OF BROAD MOLECULAR WEIGHT DISTRIBUTION POLYETHYLENE WITH MgCl2-SUPPORTED BIMETALLIC COMPLEX CATALYSTS Ti(OBu)Cl3/Et(Ind)2ZrCl2 AND Ti(OBu)Cl3Cp2ZrCl2. [J]. Acta Polymerica Sinica (6):748-751(1999)
DOI:
SUN Aiwu, HAN Shimin, HU Youliang. STUDY ON THE PREPARATION OF BROAD MOLECULAR WEIGHT DISTRIBUTION POLYETHYLENE WITH MgCl2-SUPPORTED BIMETALLIC COMPLEX CATALYSTS Ti(OBu)Cl3/Et(Ind)2ZrCl2 AND Ti(OBu)Cl3Cp2ZrCl2. [J]. Acta Polymerica Sinica (6):748-751(1999)DOI:
STUDY ON THE PREPARATION OF BROAD MOLECULAR WEIGHT DISTRIBUTION POLYETHYLENE WITH MgCl2-SUPPORTED BIMETALLIC COMPLEX CATALYSTS Ti(OBu)Cl3/Et(Ind)2ZrCl2 AND Ti(OBu)Cl3Cp2ZrCl2
The ethylene homopolymerization with new MgCl2supported bimetallic complex catalysts Ti(OBu)Cl3Et(Ind)2ZrCl2 and Ti(OBu)Cl3/Cp2ZrCl2 was studied.The catalyst systems show high activity and the polyethylene with broad molecular weight distribution(MWD) was produced.The MgCl2-supported bimetallic complex catalysts contain traditional Z-N catalyst and movel metallocenes.Two active sites of Ti and Zr have different chain propagation
transfer
termination rate constant of olefin polymerization can be regulated easily by varying polymerzation conditions for improved processability and mechanical properties. Moleclar weight
molecular weight distribution
Tm and crystallinity were measured by GPC and DSC.