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ID:34732881
大小:2.58 MB
页数:61页
时间:2019-03-10
《液氨处理前后麻织物湿传递性能的研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、本文以大麻、亚麻和苎STUDYINGONMOISTURETRANSMISSIONTHROUGHBASTFABRICSWITHLIQUIDA^心压ONIATREATⅣ匝NTAbstractInthisthesis,bastfabricsincludinghemp,flaxandramieweretreatedbyliquidammoniatreatment.Morphologicalstructure,crystalstructureandchemicalcompositionofbastfibersweretestedbyuseofscanningelectronmi
2、croscope,X—raydiffractiontesterandinfraredmicro-Ramanspectrometer.Wettingpropertiesofbastfabricssuchasairpermeability,vaporpermeability,radiationcapability,moistureadsorptionandliberation,wickingability,moistureconductivity,waterinhibition,dryingperformanceandliquidmoisturedynamicmanage
3、mentpropertieswerealsotested.TherelationshipbetweenwettingbehaviorsandfiberstructuresWasdiscussed.Furthermore,thefuzzycomprehensiveevaluationWasadoptedtoobtainthequantitativecomprehensiveevaluationresultsofmoisturetransmissionthroughthebastfabricswithliquidammoniatreatment.Theresultssho
4、wedthatafterliquidammoniatreatment,thestructureofbastfabricsWastighterandthequantityofyamhairinesswasless;thestreakandthefissurewerereducedorvanishedobviouslyonthesurfaceoffiberswhichweresmootherandrounder;theX—raycrystallinitydecreasedandthelatticeformconvertedfromcelluloseItocellulose
5、111whiletherehasbeenlittlechangeonchemicalcomposition;theradiationcapability,moistureadsorptionandliberationability,wickingabilityandwaterinhibitionofbastfabricswerepoorer,buttheywerebetterinairpermeability,vaporpermeability,moistureconductivityanddryingperformance;theMMTindexesofliquid
6、moisturedynamicmanagementpropertiesoframiefabricwereallimproved,however,waterabsorptionrateandspreadingspeedofhempandflaxfabricsdecreasedwhiletheirwettingtime,accumulativeone-waytransportcapacityandoverallmoisturemanagementcapabilitywereimproved;thefuzzycomprehensiveevaluationresultssho
7、wedthatthebastfabricsincludinghemp,flaxandramiehadbettermoisturetransmissionafterliquidammoniatreatment.Tosomeextent,wettingpropertiesofbastfabricsweregreatlyinfluencedbythechangeoftheirmorphologicalammoniatreatment.Keyword:Liquidammoniatreatment;Bastfabrics;FiberFuzzycomprehen
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