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Adhesion dynamics for cellulose nano-composites
YKI – Ytkemiska institutet.
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2009 (English)In: ACS Applied Materials and Interfaces, ISSN 1944-8244, E-ISSN 1944-8252, Vol. 1, no 10, p. 2098–2103-Article in journal (Refereed)
Abstract [en]

The efficiency of poly(epsilon-caprolactone) (PCL) as a matrix polymer for cellulose nanocomposites has been investigated at the macromolecular contact level using atomic force microscopy in a colloidal probe configuration. Model cellulose microspheres grafted with PCL Were prepared via ring-opening polymerization. Force measurements between the functionalized particles revealed the adhesion to be highly dependent on the contact time because of a diffusion-controlled mechanism Moreover, an increase of the temperature to 60 degrees C (close to T-m for the PCL graft) greatly enhanced the adhesion at the polymer-polymer interface, demonstrating the importance of entanglements in the annealing of composite materials

Place, publisher, year, edition, pages
2009. Vol. 1, no 10, p. 2098–2103-
Keyword [en]
Adhesion dynamics for cellulose nanocomposites atomic force microscopy, cellulose, surface forces, adhesion, colloidal probe, nanocomposites, ring-opening polymerization, surface grafting, poly(epsilon-caprolactone)
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Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-26229DOI: 10.1021/am900381tOAI: oai:DiVA.org:ri-26229DiVA, id: diva2:1053231
Note
A2007Available from: 2016-12-08 Created: 2016-12-08 Last updated: 2017-11-29Bibliographically approved

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