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Microstructure and nonisothermal cold crystallization of PLA composites based on silver nanoparticles and nanocrystalline cellulose
KTH, Skolan för bioteknologi (BIO), Glykovetenskap. KTH, Skolan för kemivetenskap (CHE), Centra, Wallenberg Wood Science Center.ORCID-id: 0000-0001-9832-027X
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2012 (Engelska)Ingår i: Polymer degradation and stability, ISSN 0141-3910, E-ISSN 1873-2321, Vol. 97, nr 10, s. 2027-2036Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Poly(lactic acid) (PIA) based high performance nanocomposites, were prepared using an innovative combination of nanocrystalline cellulose and silver nanoparticles. Binary and ternary systems were prepared by solvent casting process and their morphological, mechanical and thermal responses were investigated. Pristine (CNC) and surfactant modified cellulose nanocrystals (s-CNC) and silver (Ag) nanoparticles were used, and the effect of cellulose crystal nano-dimension, cellulose modification, and the combination of cellulose nanostructures with silver nanoparticles, was investigated. The important industrial problem of slow crystallization of PIA was addressed by the use of cellulose nanocrystals as biobased nucleating agents and the nonisothermal cold crystallization behaviour of reinforced binary and ternary systems was studied. The presence of surfactant on the nanocrystal surface favoured the dispersion of CNC in the PLA matrix while the thermal investigations and the nonisothermal crystallization studies underlined the ability of s-CNC to act as nucleation agent in both binary and ternary nanocomposites.

Ort, förlag, år, upplaga, sidor
2012. Vol. 97, nr 10, s. 2027-2036
Nyckelord [en]
Poly(lactic acid), Cellulose nanocrystals, Silver nanoparticles, Mechanical properties, Thermal properties
Nationell ämneskategori
Kemi
Identifikatorer
URN: urn:nbn:se:kth:diva-104127DOI: 10.1016/j.polymdegradstab.2012.03.027ISI: 000309087900022Scopus ID: 2-s2.0-84865646539OAI: oai:DiVA.org:kth-104127DiVA, id: diva2:563285
Konferens
3rd International Conference on Biodegradable and Biobased Polymers (BIOPOL), AUG 29-31, 2011, Strasbourg, France
Anmärkning

QC 20121029

Tillgänglig från: 2012-10-29 Skapad: 2012-10-29 Senast uppdaterad: 2017-12-07Bibliografiskt granskad

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Zhou, QiBerglund, Lars A.

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Zhou, QiBerglund, Lars A.
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GlykovetenskapWallenberg Wood Science CenterFiber- och polymerteknik
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Polymer degradation and stability
Kemi

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