DEHYDRATION KINETICS OF POLYVINYL ALCOHOL HYDROGEL WOUND DRESSINGS DURING WOUND HEALING PROCESS

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摘要 Thehydrogelwounddressingbasedonpolyvinylalcohol(PVA)waspreparedbythefreezing-thawingcyclicmethod.Thedehydrationkineticsofpreparedhydrogelswasdeterminedusingtheexperimentalmethodandmathematicalmodelingbasedondiffusionmechanism.TheresultsshowthatthedehydrationrateofPVAhydrogelwounddressinginverselydependsonthehydrogelthicknessaswellaswatercontentofthewound.Ontheotherhand,theinitialwatercontentofhydrogelandtheatmospherichumidityhavelittledirecteffectonthedehydrationrate.Thegoodagreementbetweenexperimentalandmathematicalmodelingresultsinearlystagesofdehydrationprocessshowsthatthepredominatefactordeterminingthedehydrationofthesewounddressingsisdiffusion.
机构地区 不详
出版日期 2010年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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