Synthesis of Disentangled Ultra-High Molecular Weight Polyethylene using Vanadium(V)-Based Catalysts

被引：19

作者：

Spronck, Mitch ^{[1
]}

Klein, Axel ^{[1
]}

Blom, Burgert ^{[2
]}

Romano, Dario ^{[3
,4
]}

机构：

[1] Univ Cologne, Dept Chem, Greinstr 6, D-50939 Cologne, Germany

[2] Maastricht Univ, Maastricht Sci Programme, POB 616, NL-6200 MD Maastricht, Netherlands

[3] Aachen Maastricht Inst Biobased Mat, Brightlands Chemelot Campus,Urmonderbaan 22, NL-6167 RD Geleen, Netherlands

[4] Maastricht Univ, Fac Sci & Engn, Dept Biobased Mat, Brightlands Chemelot Campus,Urmonderbaan 22, NL-6167 RD Geleen, Netherlands

来源：

ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 2018年 / 644卷 / 17期

关键词：

Disentangled; Ultra-high molecular weight polyethylene (UHMWPE); Homogeneous catalysis; Rheology; Differential scanning calorimetry; OPENING METATHESIS POLYMERIZATION; TRANSITION METAL CATALYSTS; ETHYLENE POLYMERIZATION; COMPLEXES SYNTHESIS; MOLAR-MASS; IMIDO; NORBORNENE; COCATALYST; UHMWPE; TAPES;

D O I：

10.1002/zaac.201800165

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Two known imido vanadium(V) trichloride complexes, [Cl3V=N-C6H3-2,6-Me-2] (1) and [Cl3V=N-C6H3-2,6-iPr(2)] (2), both of which have escaped testing as ethylene polymerization catalyst precursors, were synthesized and their capacity to polymerize ethylene in the presence of the co-catalyst MAO (methylaluminoxane) (Al:V ratio: 1000:1) at 10 degrees C is reported. The resulting polymers, from both catalysts, have molecular weights exceeding 1-2 million g/mol as suggested by the insolubility at high temperature and rheological measurements. According to the rheological and DSC annealing characterizations the synthesized Ultra-High Molecular Weight PolyEthylene from both 1 and 2 show features of a high degree of disentanglement.

引用

页码：993 / 998

页数：6

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