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Novel Hydrogels of PVP-CMC and Their Swelling Effect on Viscoelastic Properties

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dc.title Novel Hydrogels of PVP-CMC and Their Swelling Effect on Viscoelastic Properties en
dc.contributor.author Roy, Niladri
dc.contributor.author Saha, Nabanita
dc.contributor.author Kitano, Takeshi
dc.contributor.author Sáha, Petr
dc.relation.ispartof Journal of Applied Polymer Science
dc.identifier.issn 0021-8995 OCLC, Ulrich, Sherpa/RoMEO, JCR
dc.date.issued 2010
utb.relation.volume 117
utb.relation.issue 3
dc.citation.spage 1703
dc.citation.epage 1710
dc.type article
dc.language.iso en
dc.publisher John Wiley & Sons, Inc. en
dc.identifier.doi 10.1002/app.32056
dc.relation.uri http://onlinelibrary.wiley.com/doi/10.1002/app.32056/abstract
dc.subject biomateriál cs
dc.subject hydrogel cs
dc.subject botnání cs
dc.subject viskoelastické vlastnosti cs
dc.subject krytí ran cs
dc.subject Biomaterials en
dc.subject hydrogels en
dc.subject swelling en
dc.subject viscoelastic properties en
dc.subject wound dressing en
dc.description.abstract Polyvinylpyrolidon (PVP) a karboxymetylceluloza (CMC) byly použity na přípravu hydrogelu za tepla. Fyzikální charakteristiky byly studovány pomocí infračervené spektroskopie, skenovací elektronové mikroskopie. Výsledky ukazují, že hydrogel o kompozici 20/80 (PVP/CMC) má nejlepší vlastnosti. cs
dc.description.abstract Polyvinylpyrrolidone (PVP) and carboxymethyl cellulose (CMC) mixed hydrogels were prepared by heat treatment. The physical characteristics of the hydrogels were studied by Fourier transform infrared spectroscopy and scanning electron microscopy. The swelling study of the hydrogels in water shows remarkable water absorption property. The swelling effect on the theological behavior of PVP-, PVP-CMC-, and CMC-based hydrogels was investigated to judge its application on uneven surface of body. The rheological properties (storage modulus, loss modulus, and complex viscosity) of samples before drying and swelled (15, 30, and 60 min) were measured against angular frequency and composition. The hydrogel containing PVP/CMC ratio of 20 : 80 appeared to be the best hydrogel from rheological and water absorbent points of view. These properties and low cost of the materials utilized in this work suggest that this hydrogel is a viable alternative product for dressing materials. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1001208
utb.identifier.rivid RIV/70883521:28110/10:63509502!RIV11-MSM-28110___
utb.identifier.obdid 43864568
utb.identifier.scopus 2-s2.0-77952032113
utb.identifier.wok 000278571200055
utb.source j-riv
utb.contributor.internalauthor Roy, Niladri
utb.contributor.internalauthor Saha, Nabanita
utb.contributor.internalauthor Kitano, Takeshi
utb.contributor.internalauthor Sáha, Petr
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