THE EXCHANGE OF F18BETWEEN METALLIC FLUORIDES AND GASEOUS FLUORINE COMPOUNDS1

1957 ◽  
Vol 79 (4) ◽  
pp. 1001-1002 ◽  
Author(s):  
T. A. Gens ◽  
John A. Wethington ◽  
A. R. Brosi ◽  
E. R. Van Artsdalen
Keyword(s):  
Gaseous Fluorine

Electrical Conductivity of Thermoplastic Elastomers Modified with Gaseous Fluorine

2017 ◽  
Vol 44 (2) ◽  
pp. 15-20
Author(s):  
G.N. Petrova ◽  
T.V. Rumyantseva ◽  
V.G. Nazarov ◽  
Yu.A. Sapego
Keyword(s):  
Electrical Conductivity ◽  
Volume Resistivity ◽  
Thermoplastic Elastomers ◽  
Surface Reactivity ◽  
Ethanol Treatment ◽  
Atomic Force ◽  
Fold Reduction ◽  
Phosphorus Containing ◽  
Surface Fluorination ◽  
Gaseous Fluorine

The electrical conductivity of thermoplastic elastomers (TPEs) modified with gaseous chlorine was studied. A TPE based on polyether (‘Vitur’-grade polyurethane) and the same TPE but with phosphorus-containing fireproofing agent were held in gaseous fluorine for 1 and 3 h, and were also treated with alcohol after fluorination. The surface morphology of specimens was studied using an atomic force microscope (AFM). The changes in morphology were similar to the changes observed after the surface fluorination of rubbers. The volume and surface resistivities were measured using an Agilent 4339B instrument (USA). In all cases, the volume resistivities of modified TPEs were two orders of magnitude lower than those of the initial TPEs. The introduction of a fireproofing agent leads to a 2.5-fold reduction in volume resistivity, and a 100-fold reduction in surface reactivity. The influence of the fireproofing agent is associated with it having an effect similar to that of fillers, and with the formation of a thin layer on the surface of specimens. it was shown that ethanol treatment leads to a reduction in volume resistivity.

ChemInform Abstract: REACTION OF GASEOUS FLUORINE WITH IMINO ESTERS OF PERFLUOROCARBOXYLIC ACIDS

1982 ◽  
Vol 13 (40) ◽  
Author(s):  
A. V. FOKIN ◽  
YU. N. STUDNEV ◽  
V. P. STOLYAROV ◽  
N. N. BARANOV
Keyword(s):  
Perfluorocarboxylic Acids ◽  
Gaseous Fluorine ◽  
Imino Esters

Determination of Gaseous Fluorine Using Radioactive Clathrates.

1962 ◽  
Vol 34 (12) ◽  
pp. 1608-1610 ◽  
Author(s):  
C. O. Hommel ◽  
F. J. Brousaides ◽  
R. L. Bersin
Keyword(s):  
Gaseous Fluorine

Zeolite 4A reactivity with gaseous fluorine

1993 ◽  
Vol 63-65 ◽  
pp. 512-517
Author(s):  
J SANIGER ◽  
N SANCHEZ
Keyword(s):  
Zeolite 4A ◽  
Gaseous Fluorine

Morphology of the surface layer of polymers modified by gaseous fluorine

2006 ◽  
Vol 48 (11) ◽  
pp. 1164-1170 ◽  
Author(s):  
V. G. Nazarov ◽  
A. P. Kondratov ◽  
V. P. Stolyarov ◽  
L. A. Evlampieva ◽  
V. A. Baranov ◽  
...  
Keyword(s):  
Surface Layer ◽  
Gaseous Fluorine

THE RAMAN SPECTRUM OF FLUORINE

1951 ◽  
Vol 29 (2) ◽  
pp. 151-158 ◽  
Author(s):  
D. Andrychuk
Keyword(s):  
Raman Spectrum ◽  
Raman Spectra ◽  
Nuclear Spin ◽  
Ground State ◽  
Electronic Ground State ◽  
Rotational Spectrum ◽  
Fermi Statistics ◽  
Gaseous Fluorine ◽  
Electronic Ground

The rotational and vibrational Raman spectra of gaseous fluorine at 1 atm. pressure were obtained. From these spectra the constants of the molecule in the electronic ground state were determined to be:[Formula: see text]The intensity alternation in the rotational spectrum shows that the nuclear spin of fluorine is [Formula: see text] and that the F19 nuclei follow Fermi statistics.

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