Effect of Preparation Methods on Mechanical Properties of PVA/HA Composite Hydrogel-中国期刊网

摘要 Poly(vinylalcohol)(PVA)/hydroxyapatite(HA)compositehydrogelspecimenswerepreparedwith15%PVAand1%,2%,3%,4%and5%HAbyrepeatedfreezing-thawing.ThetestsofstaticanddynamicmechanicalpropertieswerecarriedouttodiscusstheinfluenceofdifferentcontentsofHAandfreezing-thawingcyclesonthemechanicalpropertiesofPVA/HAcompositehydrogel.TheresultsofstaticmechanicaltestsshowedthatthePVA/HAcompositehydrogelwith3%HAandninefreezing-thawingcycleshadexcellentstressrelaxationproperties,higherrelaxationratio,lowerstressequilibriumvalueandpresentedbetterpropertiesofcreepandrecovery.TheresultsofdynamicmechanicaltestshowedthatthePVA/HAcompositehydrogelwithninefreezing-thawingcycleshadhigherstoragemodulusandlossmodulus,sowasthePVA/HAcompositehydrogelwith3%HA.

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Effect of Preparation Methods on Mechanical Properties of PVA/HA Composite Hydrogel

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Effect of Preparation Methods on Mechanical Properties of PVA/HA Composite Hydrogel

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