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Influence of waterproof and breathable membrane on thermal comfort properties of multi-layer clothing system

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Title Influence of waterproof and breathable membrane on thermal comfort properties of multi-layer clothing system
 
Creator Codau, Elena
Codau, Teodor Cezar
 
Subject Hydrophilic polyurethane membrane
Moisture barrier
Multi-layer fabric
Protective clothing
Sweating guarded hotplate (skin model)
Water vapour resistance
 
Description 100-104
In this study, two multi-layer fabric systems intended for
firefighters have been tested in order to determine the basic
parameters of thermal comfort. The thermal comfort is evaluated
effectively by measuring the thermal properties of clothing on the
sweating-guarded hotplate (skin model). The first assembly is
composed of an external layer, a middle layer (thermal
insulation), and an inner layer [moisture barrier - hydrophilic
polyurethane (PU) membrane coated on knitted fabric]. The
second one contains an external layer, a middle layer (thermal
insulation), and an inner layer (liner). Both assemblies contain the
same external layer and middle layer. These layers are tested as
monolayers and in multi-layer clothing systems. The influence of
the membrane on the thermal and water-vapour resistance of the
multi-layer fabric system has been studied. When the
combinations of different materials are used for a multi-layer
fabric system, the thermal comfort is dependent not only on the
properties of each monolayer but also on the manner in which
they act together. The results show that the monolayer acting as a
moisture barrier has a considerable influence on the overall watervapour
transport abilities. The position of the moisture barrier in
the assembly is also important in the overall value of watervapour
resistance of the multi-layer system.
 
Date 2024-04-01T11:00:58Z
2024-04-01T11:00:58Z
2024-04
 
Type Article
 
Identifier 0975-1025 (Online); 0971-0426 (Print)
http://nopr.niscpr.res.in/handle/123456789/63649
https://doi.org/10.56042/ijftr.v49i1.9547
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJFTR Vol.49(1) [March 2024]