Direct fluorination of polymer final products: From fundamental study to practical application

Kharitonov, A. P.; Логинов, Б. А.

doi:10.1134/s1070363209030451

Cited by 22 publications

(15 citation statements)

References 14 publications

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“…The structural links of this chain may be supplemented by new elements (processes) [ 58 , 59 , 60 ] or vice versa: some parts of the links may be excluded from the process as unnecessary. The comprehensive approach to each stage of the PTFE composite making will identify the most important factors of energy fields’ impact on the structure-forming activity of the composition ingredients and the identification of the criteria of their compatibility.…”

Section: Industrial Technology For Pcm With Ptfe-matrixmentioning

confidence: 99%

“…It was suggested to modify the surface of carbon fiber by different methods in order to provide the technological combining of carbon fiber with polymer matrix in PTFE-based antifriction composite materials [ 57 , 59 , 60 ]. Such filler processing allows increasing composite materials characteristics, which depend greatly on adhesive bonds of carbon fiber and PTFE matrix.…”

Section: Preparation and Modification Technology Of Fibrous Fillermentioning

confidence: 99%

“…The surface processing of carbon fibers promotes their interaction with composite matrix [ 28 , 57 , 58 ]. When a traditional method of obtaining carbon fiber filler [ 59 ] with length distribution according to certain dependences is used, the carbon cloth is milled in a hammer mill and cloth fibers separated by sieving are subjected to milling using the mill with bottom knives. The parameters of milling technological process guarantee a fiber ensemble of certain length distribution.…”

Section: Peculiarities Of Mixing Technology Of Composition Ingredimentioning

confidence: 99%

“…The research analysis of experiments of the composition with CF, prepared according to the abovementioned scientific and technical solution [ 29 ], and known technological process [ 59 ], shows that the PTFE-based compositions obtained with the use of such filler increase the breaking strength by 10–20% and the wear resistance by 17–40%.…”

Section: Peculiarities Of Mixing Technology Of Composition Ingredimentioning

confidence: 99%

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Manufacturing Technology of Composite Materials—Principles of Modification of Polymer Composite Materials Technology Based on Polytetrafluoroethylene

et al. 2017

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The results of the investigations into the technological formation of new wear-resistant polymer composites based on polytetrafluoroethylene (PTFE) filled with disperse synthetic and natural compounds are presented. The efficiency of using PTFE composites reinforced with carbon fibers depends on many factors, which influence the significant improvement of physicomechanical characteristics. The results of this research allow stating that interfacial and surface phenomena of the polymer–solid interface and composition play a decisive role in PTFE composites properties. Fillers hinder the relative movement of the PTFE molecules past one another and, in this way, reduce creep or deformation of the parts, reducing the wear rate of parts used in dynamic applications as well as the coefficient of thermal expansion. The necessary structural parameters of such polymer composites are provided by regimes of process equipment.

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Section: Industrial Technology For Pcm With Ptfe-matrixmentioning

confidence: 99%

Section: Preparation and Modification Technology Of Fibrous Fillermentioning

confidence: 99%

Section: Peculiarities Of Mixing Technology Of Composition Ingredimentioning

confidence: 99%

Section: Peculiarities Of Mixing Technology Of Composition Ingredimentioning

confidence: 99%

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Manufacturing Technology of Composite Materials—Principles of Modification of Polymer Composite Materials Technology Based on Polytetrafluoroethylene

et al. 2017

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“…Reaction of F 2 with a large panel of commercial polymers has been widely investigated and is well understood [1,8,13,23]. On the contrary, fluorination using atomic fluorine F Å was much less studied.…”

Section: Introductionmentioning

confidence: 99%

Enhancement of surface properties on Low Density Polyethylene packaging films using various fluorination routes

Peyroux

Dubois

Tomasella

et al. 2015

European Polymer Journal

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Conversion of poly(ethylene‐alt‐tetrafluoroethylene) copolymers into polytetrafluoroethylene by direct fluorination: A convenient approach to access new properties at the ETFE surface

Calleja

Houdayer

Etienne-Calas

et al. 2011

J. Polym. Sci. A Polym. Chem.

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Direct fluorination of poly(ethylene‐alt‐tetrafluoroethylene) copolymer (ETFE) was carried out on commercially available ETFE films with pure fluorine gas at ambient atmosphere. Reaction temperature was either 95 °C or 150 °C and exposure time was 20 hours. Analysis of the fluorinated samples was performed by attenuated total reflection Fourier transform Infrared, confocal micro‐Raman and 1H and 19F magic angle spinning nuclear magnetic resonance spectroscopies, scanning electron microscopy, electron diffraction and X‐Ray photoelectron spectroscopies, contact angle determination, atomic force microscopy and nanoindentation measurements, and compared to those of the virgin ETFE copolymer. Integrity of the bulk materials was verified by investigating the thermal behavior of the polymers by thermogravimetric analysis and differential scanning calorimetry. Evidence for the formation of a homogeneous layer of polytetrafluoroethylene with a thickness of several microns at the surface of the copolymers with no degradation of the materials was observed. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011

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Direct fluorination of polymer final products: From fundamental study to practical application

Cited by 22 publications

References 14 publications

Manufacturing Technology of Composite Materials—Principles of Modification of Polymer Composite Materials Technology Based on Polytetrafluoroethylene

Manufacturing Technology of Composite Materials—Principles of Modification of Polymer Composite Materials Technology Based on Polytetrafluoroethylene

Enhancement of surface properties on Low Density Polyethylene packaging films using various fluorination routes

Conversion of poly(ethylene‐alt‐tetrafluoroethylene) copolymers into polytetrafluoroethylene by direct fluorination: A convenient approach to access new properties at the ETFE surface

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