纺织服装外文翻译文献Word文档格式.docx

纺织服装外文翻译文献Word文档格式.docx

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（含：

英文原文及中文译文）

文献出处：

KarF,FanJ,YuW.Comparisonofdifferenttestmethodsforthemeasurementoffabricorgarmentmoisturetransferproperties[J].MeasurementScience&

Technology,2007,18（7）:

2033.

英文原文

Comparisonofdifferenttestmethodsforthemeasurementoffabricor

garmentmoisturetransferproperties

FKar,JFanandWYu

Abstract

Severaltestmethodsexistfordeterminingthewatervapourpermeabilityorresistanceoftextilefabricsorgarments.Thedifferencesandinterrelationshipsbetweenthesemethodsarenotalwaysclear,whichpresentsaproblemincomparingresultsfromdifferenttestmethods.Thisstudyisaimedatinvestigatingtherelationshipsbetweenthetestresultsfromfourtypicaltestmethods,includingthemoisturetransmissiontest（ModelCS-141）,ASTME96cupmethod,sweatingguardedhotplatemethod（ISO11092）andthesweatingfabricmanikin（Walter）.Fortherangeofairpermeableknittedfabricstested,itwasfoundthatgoodinterrelationshipsexistbetweentheresultsfromthefourtypesoftestmethods,althoughsomediscrepanciesexistbetweendifferenttestsduetodifferencesintestingconditions.Testresultsfromdifferentmoisturetransfertestmethodscanthereforebeconvertiblewithdueconsideration.Keywords:

fabric,watervapourtransmissionrate,clothingcomfort,watervapourresistance

1.Introduction

Moisturetransferpropertiesoftextilefabricsandgarmentsareimportanttothethermalcomfortofclothedpersons.Anumberoftestmethodshavebeendevelopedtoevaluatethemoisturetransferpropertiesoftextilefabricsandgarments.However,sincethetechniquesandtestingconditionsofthesetestsareverydifferent,resultsfromthesetestsarenotdirectlycomparable.Itisthereforenecessarytoinvestigatethedifferencesandinterrelationshipsbetweentheresultsfromthesedifferenttestmethods.

DolhancomparedtwoCanadianStandards（CAN2-4.2-M77andCAN/CGSB-4.2No.49-M91）andtheASTME96testmethodsformeasuringthewatervapourtransmissionpropertiesandfoundthattheresultsofthesetestswerenotdirectlycomparablebecauseofthedifferencesinthewatervapourpressuregradientsdrivingthemoisturetransmissioninthedifferenttestmethodsGibson[8]conductedanextensiveinvestigationontherelationshipofthetestresultsfromthesweatingguardedhotplate（ISO11092）andthosefromtheASTME96

CupMethod.Inhiswork,permeablematerials,hydrophobicandhydrophilicmembranelaminatesweretestedandtheresultswerestandardizedintheunitsofairresistanceandwatervapourtransmissionrate.Itwasfound,exceptforthehydrophilicsamples,thereisaclearcorrelationbetweentheresultsfromthetwotests.Asthetestconditionintheguardedsweatinghotplatetestsresultedinmuchhigherequilibriumwatercontentinthehydrophilicpolymerlayer,whichinfluencesthepolymer'

psermeability,thewatervapourtransmissionratethroughthehydrophilicmembraneisgreaterwhentestedusingthesweatingguardedhotplate.Aspointedoutbyanumberofpreviousresearchers[7,12],differentrelativehumiditygradientspresentinthevarioustestmethodscausetheintrinsictransportcharacteristicsofhydrophilicpolymerstochange.Forsuchfabrics,theretendtobepoorcorrelationsbetweendifferenttestmethodsthatemploydifferingrelativehumiditygradients,sincetheresistanceisafunctionofthewatervapourconcentrationandtemperature.Consequently,Lomax[11]pointedouttheneedforinvestigatingthecorrelationsofresultsfromdifferenttestmethodsfordifferenttypesoffabrics.

Grettonetal[9]classifiedthefabricsamplesintofourcategories,includingairpermeablefabrics,microporousmembranelaminatedfabrics,hydrophilicmembranelaminated/coatedfabricsandhybridcoated/laminatedfabrics,ininvestigatingthecorrelationbetweenthetestresultsofthesweatingguardedhotplate（ISO11092）andtheevaporativedishmethod（BS7209）.TheyshowedthatthereisagoodcorrelationbetweenthetwotestmethodsforallfabricsexceptforthehydrophiliccoatedandlaminatedfabricsthattransmitwatervapourwithoutfollowingtheFickianlawofdiffusion.

Recently,Indushekaretal[10]comparedthewatervapourtransmissionratesmeasuredbyamodulateddifferentialscanningcalorimeterandthosebytheconventionaldishtechniqueasspecifiedinBS7209forawiderangeofwovenbasedfabricsusedincoldweatherprotectiveclothing.Thestudyshowedthatresultsfromthesetwotestmethodsdifferwidelyduetothedifferencesinthewatervapourgradientswhichoccurredinthetwomethods.

Withthedevelopmentofnoveltechniquesforthemeasurementofmoisturetransmissionpropertiesoffabricsandgarments,itisnecessarytofurtherinvestigatetherelationshipbetweendifferenttestmethods.Thepresentstudywasthereforeaimedatin