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Investigation on unusual crystallization behavior in polyamide 6/montmorillonite nanocomposites
Luleå tekniska universitet.
Luleå tekniska universitet.
Luleå tekniska universitet.
State Key Laboratory of Engineering Plastics, Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing.
2002 (English)In: Macromolecular materials and engineering (Print), ISSN 1438-7492, E-ISSN 1439-2054, Vol. 287, no 8, p. 515-522Article in journal (Refereed) Published
Abstract [en]

The crystallization behavior and crystal structure of polyamide 6/montmorillonite (PA6/MMT) nanocomposites were investigated by differential scanning calorimetry and X-ray diffraction, and an interesting behavior was observed. The material was prepared via melt compounding using an organophilic clay obtained by co-intercalation of epoxy resin and quaternary ammonium into Na-montmorillonite. A maximum in degree of crystallinity was obtained at 5 wt.-% MMT and the reasons for this, based on the MMT layer distribution, were discussed. The degree of crystallinity showed a strong dependence on the cooling rates. In contrast with typical behavior, a higher cooling rate resulted in a higher degree of crystallinity. In nanocomposites, the -crystalline phase was dominant.

Place, publisher, year, edition, pages
2002. Vol. 287, no 8, p. 515-522
National Category
Composite Science and Engineering
Research subject
Polymeric Composite Materials
Identifiers
URN: urn:nbn:se:ltu:diva-11100DOI: 10.1002/1439-2054(20020801)287:83.0.CO;2-BLocal ID: a0199000-bfb1-11de-b769-000ea68e967bOAI: oai:DiVA.org:ltu-11100DiVA, id: diva2:984049
Note
Validerad; 2002; 20091023 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-21Bibliographically approved

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