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Supramolecular Structure and Properties of PA6-LCO Molecular Composite Fibres

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Abstract:

Nowadays polyamides have become essential in fibre production for textiles and technical uses. However, such applications require extremely high strength parameters as well as excellent dimensional stability. In order to improve polymer properties they are reinforced with glass fibres or with very high strength and high modulus liquid crystalline polymers. In this work fibres formed from a new category of high-performance polymeric materials, called molecular composites, were studied with a focus on the effect of liquid crystalline oligoester on the structure of thermoplastic polymer matrix. The supramolecular structure of the fibres was characterised by the wide and small angle x-ray scattering (WAXS and SAXS) techniques while the Differential Scanning Calorimetry (DSC) method was used for thermal characterisation. In addition some mechanical parameters of undrawn fibres are presented.

Tags: supramolecular structure, supramolecular properties, polyamide 6, liquid crystalline polymer, WAXS, SAXS, DSC.

Published in issue no 5-6 (64-65) / 2007, pages 27–29.

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