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High-temperature X-...
High-temperature X-ray diffraction studies on polyamide6/clay nanocomposites upon annealing
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- Liu, X. H. (author)
- Luleå tekniska universitet
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- Wu, Q. J. (author)
- Luleå tekniska universitet
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- Zhang, Q. X. (author)
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People's Republic of China
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- Berglund, Lars A. (author)
- Luleå tekniska universitet
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- Mo, Z. S. (author)
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, People's Republic of China
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(creator_code:org_t)
- Springer Science and Business Media LLC, 2002
- 2002
- English.
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In: Polymer Bulletin. - : Springer Science and Business Media LLC. - 0170-0839 .- 1436-2449. ; 48:05-apr, s. 381-387
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- The influence of nanodispersed clay on the alpha crystalline structure of polyamide 6 (PA6) was examined in-situ with X-ray diffraction (XRD) between room temperature and melting. In pure PA6 upon annealing the alpha crystalline phase was substituted by an unstable pseudohexagonal phase at 150degreesC, then it transformed into a new stable crystalline structure - high temperature alpha' phase above the transition temperature. However, in PA6/clay nanocomposite (PA6CN), the alpha phase did not present crystalline phase transition on heating. The increase in the annealing temperature only led to continuous intensity variation. The different behaviors were caused by the confined spaces formed by silicate layers, which constrained the mobility of the polymer chains in-between.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Kompositmaterial och -teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Composite Science and Engineering (hsv//eng)
Keyword
- folded lamellar crystals
- nylon 6-clay hybrid
- silicate nanocomposites
- transitions
- morphology
- Polymeric Composite Materials
Publication and Content Type
- ref (subject category)
- art (subject category)
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