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Compounding and rheometry of PLA nanocomposites with coated and uncoated hydroxyapatite nanoplatelets

dc.contributor.authorTomczynska, Magdalena M.
dc.contributor.otherChoong, Gabriel Y.H.en_UK
dc.date.accessioned2015-06-11T09:44:14Z
dc.date.available2015-06-11T09:44:14Z
dc.date.issued2015-06-15
dc.identifier.urihttps://rdmc.nottingham.ac.uk/handle/internal/17
dc.description.abstractThis is the research data for polylactic acid and novel nanoplatelets of hydroxyapatite (HANP) that were compounded in a laboratory scale twin-screw extruder and injection moulded to shape. The effect of HANP loading content, between 1 wt% and 10 wt%, and of HANP surface coating with tailored molecular dispersants, on processability and rheological behaviour were investigated. Dispersion of HANP within the matrix system was determined qualitatively using transmission electron micrographs. Surface coating of HANP with dispersants was observed to change the state of HANP dispersion in the nanocomposites. This was also reflected in the changes of the nanocomposites’ rheological response at lower frequenciesen_UK
dc.language.isoenen_UK
dc.publisherThe University of Nottinghamen_UK
dc.subject.lcshPolylactic aciden_UK
dc.subject.lcshNanocomposites (Materials)en_UK
dc.subject.lcshHydroxyapatite coatingen_UK
dc.subject.lcshHydroxyapatiteen_UK
dc.subject.lcshRheologyen_UK
dc.subject.meshPolyestersen_UK
dc.subject.meshNanocompositesen_UK
dc.subject.meshHydroxyapatitesen_UK
dc.subject.meshCoated Materials, Biocompatibleen_UK
dc.subject.meshRheologyen_UK
dc.titleCompounding and rheometry of PLA nanocomposites with coated and uncoated hydroxyapatite nanoplateletsen_UK
dc.identifier.doihttp://doi.org/10.17639/nott.14
dc.subject.freeBiodegradable polylactic acid, bioresorbable hydroxyapatite, nanocomposites, melt compounding, extrusion, injection-moulding, oscillatory shear rheology, TEMen_UK
dc.subject.jacsJACS Subjects::Engineering::General engineering::Bioengineering, biomedical engineering & clinical engineering::Biomaterialsen_UK
dc.subject.lcLibrary of Congress Subject Areas::R Medicine::R Medicine (General)::R855 Medical technology. Biomedical engineering. Electronicsen_UK
uon.divisionFaculties, Schools and Departments::University of Nottingham, UK Campus::Faculty of Engineering::Department of Mechanical, Materials and Manufacturing Engineeringen_UK
uon.funder.controlledFunders::Engineering & Physical Sciences Research Councilen_UK
uon.datatypeRaw data spreadsheetsen_UK
uon.grantEP/J017272/1en_UK
uon.collectionmethodInstruments: (i) Thermo Fisher Scientific HAAKE Minilab II twin-screw recirculating compounder fitted with co-rotating conical screws and (ii) Anton Paar MCR302 rheometer fitted with a CTD620 temperature chamber using Ø25 mm parallel plates with a 0.5 mm gap size in airen_UK
uon.rightscontactThe University of Nottinghamen_UK
uon.preservation.rarelyaccessedtrue


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