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Hydrothermal ageing...
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Gil-Castell, O.Instituto de Tecnología de Materiales (ITM), Universitat Politecnica de Valencia (UPV), Valencia, Spain
(författare)
Hydrothermal ageing of polylactide/sisal biocomposites. Studies of water absorption behaviour and Physico-Chemical performance
- Artikel/kapitelEngelska2014
Förlag, utgivningsår, omfång ...
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Elsevier BV,2014
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-156127
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-156127URI
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https://doi.org/10.1016/j.polymdegradstab.2014.06.010DOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-16609URI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20141217
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An accelerated hydrothermal degrading test was designed in order to analyse the synergic effect of water and temperature on PLA/sisal biocomposites with and without coupling agent. As well, the physicochemical properties of biocomposites were monitored along the hydrothermal test by means of Scanning Electron Microscopy, Size Exclusion Chromatography and Differential Scanning Calorimetry. The addition of fibre induced higher water absorption capability and promoted physical degradation, as observed in the surface topography. During the processing of biocomposites and throughout the hydrothermal ageing, a reduction of molecular weight due to chain scission was found. As a consequence, a faster formation of crystalline domains in the PIA matrix occurred the higher the amount of fibre was, which acted as a nucleating agent. Higher crystallinity was considered as a barrier against the advance of penetrant and a reduction in the diffusion coefficient was shown. The addition of coupling agent presented a different influence depending on the composition, showing an inflection point around 20% of sisal fibre.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Badia, J. D.Instituto de Tecnología de Materiales (ITM), Universitat Politecnica de Valencia (UPV), Valencia, Spain / Departament d'Enginyeria Química, Escola Tecnica Superior d'Enginyeria, Universitat de Valencia, Burjassot, Spain
(författare)
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Kittikorn, ThorsakKTH,Fiber- och polymerteknologi,Department of Fibre and Polymer Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden / Department of Materials Science and Technology, Faculty of Science, Prince of Songkla University Songkhla, Thailand(Swepub:kth)u1ta2ri4
(författare)
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Strömberg, EmmaKTH,Fiber- och polymerteknologi,Department of Fibre and Polymer Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden(Swepub:kth)u1hnbchc
(författare)
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Martinez-Felipe, A.Instituto de Tecnología de Materiales (ITM), Universitat Politecnica de Valencia (UPV), Valencia, Spain / Departamento de Química Organica, Facultad de Ciencias, Instituto de Ciencia de Materiales de Aragon (ICMA), Universidad de Zaragoza-CSIC, Spain
(författare)
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Ek, MonicaKTH,Fiber- och polymerteknologi,Department of Fibre and Polymer Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden(Swepub:kth)u1hylg9m
(författare)
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Karlsson, SigbrittHögskolan i Skövde,KTH,Fiber- och polymerteknologi,University of Skövde, Sweden,Department of Fibre and Polymer Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Stockholm, Sweden(Swepub:his)karb
(författare)
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Ribes-Greus, A.Instituto de Tecnología de Materiales (ITM), Universitat Politecnica de Valencia (UPV), Spain
(författare)
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Instituto de Tecnología de Materiales (ITM), Universitat Politecnica de Valencia (UPV), Valencia, SpainInstituto de Tecnología de Materiales (ITM), Universitat Politecnica de Valencia (UPV), Valencia, Spain / Departament d'Enginyeria Química, Escola Tecnica Superior d'Enginyeria, Universitat de Valencia, Burjassot, Spain
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Polymer degradation and stability: Elsevier BV108, s. 212-2220141-39101873-2321
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