The crystallization kinetics of polyamide-12 |
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| Authors: | C J G Plummer J-E Zanetto P-E Bourban J-A E Månson |
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| Institution: | (1) Laboratoire de Technologie des Composites et Polymères, Ecole Polytechnique Fédérale de Lausanne (EPFL) 1015 Lausanne, Switzerland e-mail: jan-anders.manson@epfl.ch Tel.: + 41-21-6935880 Fax: + 41-21-6934281, CH |
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| Abstract: | The crystallization kinetics of polyamide-12 has been investigated using a combination of differential scanning calorimetry
(DSC) and hot-stage optical microscopy. The DSC data for isothermal crystallization were consistent with a simple two-parameter
Avrami model for isothermal crystallization and optical measurements of the spherulite growth rates and nucleation density.
On the basis of semiempirical expressions for these quantities, it is shown that with small adjustments the model can also
account for DSC data for nonisothermal crystallization, provided that corrections are made for the dynamic heat balance between
the sample and the DSC oven.
Received: 9 March 2000 Accepted: 28 September 2000 |
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| Keywords: | Polyamide-12 Crystallization Transmission electron microscopy Solidification Optical microscopy |
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