A Novel Ziegler-Natta-Type Catalytic System-TiCl4/2,2′-Dimethoxy-1,1′-Binaphthalene/Et3Al2Cl3/Bu2Mg for Production of Ultrahigh Molecular Weight Polyethylene Nascent Reactor Powders, Suitable for Solvent-Free Processing

被引：10

作者：

Serenko, Olga A. ^{[1
]}

Buzin, Mikhail I. ^{[1
]}

Tuskaev, Vladislav A. ^{[1
,2
]}

Gagieva, Svetlana C. ^{[1
,2
]}

Kolosov, Nikolay A. ^{[2
]}

Kurmaev, Dmitrii A. ^{[2
]}

Savel'eva, Tatyana F. ^{[1
]}

Golubev, Evgenii K. ^{[1
,3
]}

Zubkevich, Sergey V. ^{[2
]}

Vasil'ev, Viktor G. ^{[1
]}

Nikiforova, Galina G. ^{[1
]}

Korlyukov, Alexander A. ^{[1
]}

Bulychev, Boris M. ^{[2
]}

机构：

[1] Russian Acad Sci, AN Nesmeyanov Inst Organoelement Cpds, 28 Ul Vavilova, Moscow 119991, Russia

[2] Moscow MV Lomonosov State Univ, Dept Chem, 1 Leninskie Gory, Moscow 119992, Russia

[3] Russia Acad Sci, Enikolopov Inst Synthet Polymer Mat, Profsoyuznaya Str 70, Moscow 117393, Russia

来源：

POLYMERS | 2018年 / 10卷 / 11期

基金：

俄罗斯科学基金会;

关键词：

Ziegler-Natta catalysts; UHMWPE; solvent-free processing; X-RAY-DIFFRACTION; ETHYLENE POLYMERIZATION; ALTERNATIVE ROUTE; HEXAGONAL PHASE; INTERNAL DONOR; GEL-SPUN; MORPHOLOGY; COMPACTION; PROPYLENE; FIBERS;

D O I：

10.3390/polym10111281

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A series of ultrahigh molecular weight polyethylenes with viscosity-average molecular weights in the range of 1.6-5.6 x 10(6) have been prepared by using a novel Ziegler-Natta-type catalytic system-TiCl4/2,2'-dimethoxy-1,1'-binaphthalene/Et3Al2Cl3/Bu2Mg at different temperatures (T-poly) in the range between 10 and 70 degrees C in toluene. The morphology of the nascent reactor powders has been studied by scanning electron microscopy, wide-angle X-ray diffraction, and the DSC melting behavior. Polymers are suitable for the modern processing methods-the solvent-free solid-state formation of super high-strength (tensile strength over 1.8-2.5 GPa) and high-modulus (elastic modulus up to 136 GPa) oriented film tapes. With decrease of T-poly, the drawability of the reactor powders increased significantly.

引用

页数：12

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