Version 1
: Received: 15 July 2024 / Approved: 15 July 2024 / Online: 15 July 2024 (11:12:37 CEST)
How to cite:
Mei, X.; Do, Q.-V.; Narita, T.; Yamaguchi, M.; Yamaguchi, M. Modification of the Rheological Properties of a Polyamide by Adding a Copolymer Comprising an A-olefin and Maleic Anhydride. Preprints2024, 2024071141. https://doi.org/10.20944/preprints202407.1141.v1
Mei, X.; Do, Q.-V.; Narita, T.; Yamaguchi, M.; Yamaguchi, M. Modification of the Rheological Properties of a Polyamide by Adding a Copolymer Comprising an A-olefin and Maleic Anhydride. Preprints 2024, 2024071141. https://doi.org/10.20944/preprints202407.1141.v1
Mei, X.; Do, Q.-V.; Narita, T.; Yamaguchi, M.; Yamaguchi, M. Modification of the Rheological Properties of a Polyamide by Adding a Copolymer Comprising an A-olefin and Maleic Anhydride. Preprints2024, 2024071141. https://doi.org/10.20944/preprints202407.1141.v1
APA Style
Mei, X., Do, Q. V., Narita, T., Yamaguchi, M., & Yamaguchi, M. (2024). Modification of the Rheological Properties of a Polyamide by Adding a Copolymer Comprising an A-olefin and Maleic Anhydride. Preprints. https://doi.org/10.20944/preprints202407.1141.v1
Chicago/Turabian Style
Mei, X., Misaki Yamaguchi and Masayuki Yamaguchi. 2024 "Modification of the Rheological Properties of a Polyamide by Adding a Copolymer Comprising an A-olefin and Maleic Anhydride" Preprints. https://doi.org/10.20944/preprints202407.1141.v1
Abstract
The rheological properties of a polyamide (PA) resin with low crystallinity were modified by melt-mixing it with a small amount of an alternative a-olefin–maleic anhydride copolymer as a reactive compound. Because PA has a low melting point, rheological characterization was performed over a wide temperature range. Owing to the reaction between PA and the alternative a-olefin–maleic anhydride copolymer, the blend sample behaved as a long-chain branched polymer in the molten state. The thermo-rheological complexity was obvious owing to large flow activation energy values in the low modulus region. The primary normal stress difference under steady shear was greatly increased in the wide shear rate range, leading to a large swell ratio at capillary extrusion. Furthermore, strain hardening in the transient elongational viscosity, which is responsible for favorable processability, was clear. Because this is a simple modification method, it will be widely employed to modify the rheological properties of various polyamide resins.
Engineering, Industrial and Manufacturing Engineering
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.
