Modification of Ultra-High-Molecular Weight Polyethylene by Various Fluorinating Routes

被引：45

作者：

Kharitonov, Alexander P. ^{[1
]}

Simbirtseva, Galina V. ^{[1
]}

Bouznik, Vyacheslav M. ^{[2
]}

Chepezubov, Maxim G. ^{[3
]}

Dubois, Marc ^{[4
]}

Guerin, Katia ^{[4
]}

Hamwi, Andre ^{[4
]}

Kharbache, Hayat ^{[5
]}

Masin, Francis ^{[5
]}

机构：

[1] Russian Acad Sci, Inst Energy Problems Chem Phys Branch, Chernogolovka 142432, Moscow Region, Russia

[2] Russian Acad Sci, AA Baykov Inst Met & Mat Sci, Moscow, Russia

[3] Natl Res Nucl Univ MEPhI, Inst Technol, Seversk, Tomsk Region, Russia

[4] Clermont Univ, UBP, Lab Mat Inorgan UMR CNRS 6002, F-63177 Aubiere, France

[5] Univ Libre Bruxelles, B-1050 Brussels, Belgium

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2011年 / 49卷 / 16期

关键词：

fluorination; functionalization of polymers; halogenated; hydrophilic polymers; modification; ultra-high-molecular-weight polyethylene; CARBON NANOFIBRES; COMMERCIAL PROPERTIES; CONVENIENT APPROACH; SURFACE; POLYTETRAFLUOROETHYLENE; OXYFLUORINATION; POLYMERS; AGENT; TBF4; MAS;

D O I：

10.1002/pola.24793

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Chemical-physical properties of ultra-high-molecular weight polyethylene (UHMWPE) treated by direct fluorination, direct fluorination accompanied with UV irradiation, by XeF2 and by TbF4, were tested by FTIR spectroscopy, visible spectroscopy, 19F and 13C NMR, scanning electron microscopy, XRD, and EPR. Surface energy measurements were carried out. The direct fluorination of UHMWPE is a diffusion-controlled process, but treatment with XeF2 is a kinetically controlled one. Direct fluorination and direct fluorination accompanied with UV irradiation results mainly in a formation of-CF2-groups. On the contrary, -CHF- groups are prevailing in UHMWPE treated with XeF2 and TbF4. Surface texture of UHMWPE treated with XeF2 and with F-2 is quite different. Direct fluorination results in a higher polarity of the polymer surface when compared with treatment with XeF2. For the case of direct fluorination, both long-lived peroxy and fluoroalkylradicals are formed. For the case of treatment with XeF2, only fluoroalkylradicals were detected. (C) 2011 Wiley Periodicals, Inc. J PolymSci Part A: PolymChem 49: 3559-3573, 2011

引用

页码：3559 / 3573

页数：15

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