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Study of new protective clothing against SARS using semi-permeable PTFE/PU membrane

Identifieur interne : 005A60 ( Main/Exploration ); précédent : 005A59; suivant : 005A61

Study of new protective clothing against SARS using semi-permeable PTFE/PU membrane

Auteurs : XINMIN HAO [République populaire de Chine] ; JIANCHUN ZHANG [République populaire de Chine] ; YUHAI GUO [République populaire de Chine]

Source :

RBID : Pascal:04-0314976

Descripteurs français

English descriptors

Abstract

Chemicals which may pose a hazard to people upon contact may be in several forms, such as liquid, mist, vapor, etc. The damage caused can range from mild skin diseases to more serious chronic illnesses. Therefore, chemical protective clothing must be used to safe some personal who may be exposed to hazardous chemicals. The use of PTFE/PU membrane for chemical protective clothing is discussed in the article. By means of texturing with organic conductive fiber, and then treating with JAM-Y1 anti-bacteria agent, in the end, treating with the XL-550 waterproof agent, the PET fabric has permanent anti-static, anti-bacteria and waterproof and anti-oil properties. The PTFE/PU protective material is prepared by laminating with PET fabric by paste dot coating, and then coated by PU solution in a direct process. The PU coating agent, DMF and acetone, are used in testing through surface tension and peeling strength measurement. The penetration property of poliomyelitis virus in liquid and animalcule in air of PTFE membrane laminated textile, after being coated by PU solution are measured. The results show that it can separate SARS virus in air and liquid, and WVT is 11496 g/24 h m2. Then it can provide a satisfactory wearing comfort.


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Le document en format XML

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<term>Antibacterial agent</term>
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<term>Biological shielding</term>
<term>Blood</term>
<term>Coated material</term>
<term>Contact angle</term>
<term>Ethylene terephthalate polymer</term>
<term>Experimental study</term>
<term>Liquid permeability</term>
<term>Polyurethane</term>
<term>Safety clothing</term>
<term>Severe acute respiratory syndrome</term>
<term>Steam permeability</term>
<term>Synthetic fiber</term>
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<term>Virus penetration</term>
<term>Waterproofness</term>
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<term>Tissu textile</term>
<term>Fibre synthétique</term>
<term>Ethylène téréphtalate polymère</term>
<term>Matériau revêtu</term>
<term>Ethylène(tétrafluoro) polymère</term>
<term>Uréthanne polymère</term>
<term>Antibactérien</term>
<term>Vêtement protection</term>
<term>Protection biologique</term>
<term>Antistatique</term>
<term>Perméabilité liquide</term>
<term>Sang</term>
<term>Perméabilité vapeur eau</term>
<term>Pénétration virus</term>
<term>Syndrome respiratoire aigu sévère</term>
<term>Angle contact</term>
<term>Résistance eau</term>
<term>Etude expérimentale</term>
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<div type="abstract" xml:lang="en">Chemicals which may pose a hazard to people upon contact may be in several forms, such as liquid, mist, vapor, etc. The damage caused can range from mild skin diseases to more serious chronic illnesses. Therefore, chemical protective clothing must be used to safe some personal who may be exposed to hazardous chemicals. The use of PTFE/PU membrane for chemical protective clothing is discussed in the article. By means of texturing with organic conductive fiber, and then treating with JAM-Y1 anti-bacteria agent, in the end, treating with the XL-550 waterproof agent, the PET fabric has permanent anti-static, anti-bacteria and waterproof and anti-oil properties. The PTFE/PU protective material is prepared by laminating with PET fabric by paste dot coating, and then coated by PU solution in a direct process. The PU coating agent, DMF and acetone, are used in testing through surface tension and peeling strength measurement. The penetration property of poliomyelitis virus in liquid and animalcule in air of PTFE membrane laminated textile, after being coated by PU solution are measured. The results show that it can separate SARS virus in air and liquid, and WVT is 11496 g/24 h m
<sup>2</sup>
. Then it can provide a satisfactory wearing comfort.</div>
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