Search results for "bio-based nanocomposite"

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Thermo-oxidative stabilization of poly(lactic acid)-based nanocomposites through the incorporation of clay with in-built antioxidant activity

2017

In this work, an innovative approach to overcome the issue of the poor thermo-oxidative stability of polymer/clay nanocomposites is proposed. Specifically, biodegradable poly(lactic acid) (PLA)-based nanocomposites, containing organo-modified clay with in-built antioxidant activity, were prepared. Through a two-step chemical protocol, a hindered phenol antioxidant was chemically linked to the ammonium quaternary salt which was then intercalated between the clay platelets [(AO)OM-Mt]. The nanocomposites were characterized and their thermo-oxidative stability during melt processing and under long-term thermal test conditions was investigated. PLA nanocomposites containing the (AO)OM-Mt showed…

Materials Chemistry2506 Metals and AlloysAntioxidantMaterials sciencePolymers and Plasticsmedicine.medical_treatmentSurfaces Coatings and FilmSalt (chemistry)02 engineering and technologybio-based nanocomposites; montmorillonite; poly(lactic acid) (PLA); thermo-oxidative stability; Chemistry (all); Surfaces Coatings and Films; Polymers and Plastics; Materials Chemistry; 2506; Metals and Alloysmontmorillonite010402 general chemistry01 natural sciencescomplex mixturesCoatings and Filmschemistry.chemical_compoundPolylactic acidpoly(lactic acid) (PLA)medicineMaterials ChemistryOrganic chemistrythermo-oxidative stabilitychemistry.chemical_classificationPolymers and PlasticNanocompositebio-based nanocompositesChemistry (all)Metals and AlloysGeneral ChemistryPolymer021001 nanoscience & nanotechnologybio-based nanocomposite0104 chemical sciencesSurfaces Coatings and FilmsLactic acidSurfacesMontmorillonitechemistryChemical engineering25060210 nano-technologyDispersion (chemistry)
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