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The role of water in polyamides

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  • Polymer Science
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Summary

The influence of water content (during the actual measurement) on density, crystal and supermolecular structure of polyamid 6 and 6.6 has been investigated. The results indicate that the water molecules penetrate as well into the amorphous as into the crystalline regions. The increase in density due to the water content is found to be the higher the lower the initial density of the specimens is. The change of density takes a (partially) reversible course with the water content of the specimens.

Zusammenfassung

Der Einfluß des Wassergehaltes (während der jeweiligen Messung) auf die Dichte, die Kristall- und die übermolekulare Struktur von Polyamid 6 und 6,6 wird untersucht. Die Befunde deuten darauf hin, daß die Wassermoleküle sowohl in die amorphen wie auch die Kristallbereiche eindringen können. Die Dichtezunahme infolge des Wassers ist um so größer, je geringer die Ausgangsdichte der Proben ist. Die Dichteänderung verläuft (partiell) reversibel mit dem Wassergehalt der Proben.

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Authors
  1. G. Hinrichsen
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Hinrichsen, G. The role of water in polyamides. Colloid & Polymer Sci 256, 9–14 (1978). https://doi.org/10.1007/BF01746685

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  • DOI: https://doi.org/10.1007/BF01746685

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