Version 1
: Received: 4 February 2018 / Approved: 5 February 2018 / Online: 5 February 2018 (16:19:09 CET)
How to cite:
Jabbari, M.; Rashidi Ranjbar, P.; skrifvars, M.; Åkesson, D.; Taherzadeh, M.J. New Solvent for Polyamide 66 and its use for Preparing Single-Polymer Composite Coated-Fabric. Preprints2018, 2018020045. https://doi.org/10.20944/preprints201802.0045.v1
Jabbari, M.; Rashidi Ranjbar, P.; skrifvars, M.; Åkesson, D.; Taherzadeh, M.J. New Solvent for Polyamide 66 and its use for Preparing Single-Polymer Composite Coated-Fabric. Preprints 2018, 2018020045. https://doi.org/10.20944/preprints201802.0045.v1
Jabbari, M.; Rashidi Ranjbar, P.; skrifvars, M.; Åkesson, D.; Taherzadeh, M.J. New Solvent for Polyamide 66 and its use for Preparing Single-Polymer Composite Coated-Fabric. Preprints2018, 2018020045. https://doi.org/10.20944/preprints201802.0045.v1
APA Style
Jabbari, M., Rashidi Ranjbar, P., skrifvars, M., Åkesson, D., & Taherzadeh, M.J. (2018). New Solvent for Polyamide 66 and its use for Preparing Single-Polymer Composite Coated-Fabric. Preprints. https://doi.org/10.20944/preprints201802.0045.v1
Chicago/Turabian Style
Jabbari, M., Dan Åkesson and Mohammad J. Taherzadeh. 2018 "New Solvent for Polyamide 66 and its use for Preparing Single-Polymer Composite Coated-Fabric" Preprints. https://doi.org/10.20944/preprints201802.0045.v1
Abstract
Polyamides (PAs) are one of the most important engineering polymers; however, the difficulty in dissolving them hinders their applications. Formic acid (FA) is the most common solvent for PAs, but it has industrial limitations. In this contribution, we proposed a new solvent system for PAs by replacing a portion of the FA with urea and calcium chloride (FAUCa). Urea imparts the hydrogen bonding and calcium ion from the calcium chloride, as a Lewis acid was added to the system to compensate for the pH decrease due to the addition of urea. The results showed that the proposed solvent (FAUCa) could readily dissolve PAs, resulting in less decrease in the mechanical properties during the dissolution. The composite prepared using the FAUCa has almost the same properties like the one prepared using the FA solution. The solution was applied on a polyamide 66 fabric to make an all-polyamide composite coated-fabric, which then was characterized. The FAUCa solution had a higher viscosity than the one prepared using the neat FA solvent, which can be an advantage in the applications which needs higher viscosity like preparing the all-polyamide composite coated-fabric. A more viscouse solution makes a denser coating which will increase the water-/gas-tightness. In conclusion, using the FAUCa solvent has two merits: 1. replacement of 40 % of the FA with less harmful and environmentally-friendly chemicals and 2. enabling for the preparation of more viscouse solutions, which makes denser coating.
Chemistry and Materials Science, Polymers and Plastics
Copyright:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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