Viscose Chemical Fiber Scientific Research Center

Mytishchi, Russia

Viscose Chemical Fiber Scientific Research Center

Mytishchi, Russia

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Rzhevtseva Y.I.,Viscose Chemical Fiber Scientific Research Center | Zaitseva L.A.,Viscose Chemical Fiber Scientific Research Center
Fibre Chemistry | Year: 2011

The moisture content and hygroscopicity of viscose fiber and filter material of the heat-exchanging layer of a breathing filter were determined as a function of the mass fraction of calcium chloride, drying temperature, and the calcium chloride soaking method in order to define these parameters. © 2011 Springer Science+Business Media, Inc.


Mazhirina G.S.,Viscose Chemical Fiber Scientific Research Center | Butyagin P.A.,Viscose Chemical Fiber Scientific Research Center | Safonova T.A.,Viscose Chemical Fiber Scientific Research Center | Shishov N.M.,Mepotex Scientific Technical Center | And 3 more authors.
Fibre Chemistry | Year: 2011

Comprehensive tests of experimental bacterial and viral heat and moisture exchanging breathing filters were performed using filter cartridges of domestic non-fabric materials from various production methods based on chemical fibers on a stand that enabled the specific loss of moisture from the humidifying loop of the breathing filters to be determined according to the requirements of ISO 9360-1:2000 (E). Results from tests of the specific moisture loss from the humidifying loop for the experimental breathing filters and analogous filters from foreign companies were compared. © 2011 Springer Science+Business Media, Inc.


Mazhirina G.S.,Viscose Chemical Fiber Scientific Research Center | Rzhevtseva Y.I.,Viscose Chemical Fiber Scientific Research Center | Sigaev V.I.,Federal Medical and Biological Agency of Russia | Varfolomeev A.N.,Federal Medical and Biological Agency of Russia | Uspenskaya S.N.,Federal Medical and Biological Agency of Russia
Fibre Chemistry | Year: 2011

Tests determining the filtration efficiency for a bacterial test aerosol of Bacillus subtilis spores through filter cartridges of domestic materials and through filter cartridges where the principal filtering layer was an electrostatic material from Freudenberg company were carried out to determine the efficiency of purifying air from microorganisms using breathing filters. Tests of the breathing filters were prepared and carried out according to a procedure developed at the SRC FMBA of Russia. Spores of B. subtilis were elliptical and small (0.7 × 1.3 μm). Their concentration in the aerosol was (2.76-5.00){dot operator}10 7 spore/m 3. The tests were carried out with linear filtration rate 17 cm/s. © 2011 Springer Science+Business Media, Inc.


Mazhirina G.S.,Viscose Chemical Fiber Scientific Research Center | Butyagin P.A.,Viscose Chemical Fiber Scientific Research Center | Zaitseva L.A.,Viscose Chemical Fiber Scientific Research Center | Safonova T.A.,Viscose Chemical Fiber Scientific Research Center | And 2 more authors.
Fibre Chemistry | Year: 2011

The goal of the research was to fabricate non-fabric filter materials with antimicrobial drugs for purification of air from microorganisms and mechanical particles. The properties of antimicrobial drugs used for treatment of fibrous materials were analyzed. Drugs for preparing antimicrobial filter materials were selected. Equipment for producing viscose fiber with antimicrobial drugs such as the AVK-0.6 IM system for preparing technical viscose threads and the ShA-5K spinning system were selected. Processes for treating viscose thread with antimicrobial drugs for forming cord of linear density 80-90 ktex and its embossing, drying, and cutting were developed. Experimental batches of non-fabric needle-punch material with antimicrobial drugs were produced. The antimicrobial activity was determined by the zone method and in liquid medium against test cultures including various classes and species of microorganisms. © 2011 Springer Science+Business Media, Inc.

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