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Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties

Fabio Ippolito, Gunter Hübner, Tim Claypole Orcid Logo, Patrick Gane

Processes, Volume: 9, Issue: 6, Start page: 937

Swansea University Author: Tim Claypole Orcid Logo

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DOI (Published version): 10.3390/pr9060937

Abstract

Adjusting the thermal response properties of a polymeric compound can significantly improve the usability in a selective laser-sintering process. As previously shown, combining a precise amount of coarse and narrow size distribution fine calcium carbonate fillers results in a potential optimization...

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Published in: Processes
ISSN: 2227-9717
Published: MDPI AG 2021
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URI: https://cronfa.swan.ac.uk/Record/cronfa56969
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first_indexed 2021-05-26T13:16:31Z
last_indexed 2023-01-11T14:36:33Z
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spelling 2022-10-31T15:36:27.2278700 v2 56969 2021-05-26 Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties 7735385522f1e68a8775b4f709e91d55 0000-0003-1393-9634 Tim Claypole Tim Claypole true false 2021-05-26 MECH Adjusting the thermal response properties of a polymeric compound can significantly improve the usability in a selective laser-sintering process. As previously shown, combining a precise amount of coarse and narrow size distribution fine calcium carbonate fillers results in a potential optimization of the thermal properties of a polyamide 12 matrix. Additionally, up to 60% of the normally associated lost ductility can be re-gained by surface modification, thus functionalizing the filler. To optimize the functionality further this study combines a precisely defined particle size ratio of fillers adopting a specially selected surface modification using amino hexanoic acid. Morphology of the carbonate filler was also investigated. The range of effect of each parameter on the thermal response and mechanical properties was studied. The results show that the thermal properties have large potential to be optimized, without reducing the ductility significantly, by adjusting the morphology and size ratio of coarse and fine filler particles. The compound properties were demonstrated using a twin-screw extruder, indicating the potential for producing a preparate composite for additive manufacturing. Journal Article Processes 9 6 937 MDPI AG 2227-9717 polymer composites; additive manufacturing; functional calcium carbonate; thermal properties; mechanical properties 26 5 2021 2021-05-26 10.3390/pr9060937 COLLEGE NANME Mechanical Engineering COLLEGE CODE MECH Swansea University 2022-10-31T15:36:27.2278700 2021-05-26T14:09:06.2824938 Faculty of Science and Engineering School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering Fabio Ippolito 1 Gunter Hübner 2 Tim Claypole 0000-0003-1393-9634 3 Patrick Gane 4 56969__20009__b59678a60cdd4a4b9622f4aa7a9fd916.pdf 56969.pdf 2021-05-26T14:16:04.5271669 Output 12175602 application/pdf Version of Record true © 2021 by the authors. This is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license true eng http://creativecommons.org/licenses/by/4.0/
title Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties
spellingShingle Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties
Tim Claypole
title_short Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties
title_full Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties
title_fullStr Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties
title_full_unstemmed Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties
title_sort Calcium Carbonate as Functional Filler in Polyamide 12-Manipulation of the Thermal and Mechanical Properties
author_id_str_mv 7735385522f1e68a8775b4f709e91d55
author_id_fullname_str_mv 7735385522f1e68a8775b4f709e91d55_***_Tim Claypole
author Tim Claypole
author2 Fabio Ippolito
Gunter Hübner
Tim Claypole
Patrick Gane
format Journal article
container_title Processes
container_volume 9
container_issue 6
container_start_page 937
publishDate 2021
institution Swansea University
issn 2227-9717
doi_str_mv 10.3390/pr9060937
publisher MDPI AG
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Aerospace, Civil, Electrical, General and Mechanical Engineering - Mechanical Engineering
document_store_str 1
active_str 0
description Adjusting the thermal response properties of a polymeric compound can significantly improve the usability in a selective laser-sintering process. As previously shown, combining a precise amount of coarse and narrow size distribution fine calcium carbonate fillers results in a potential optimization of the thermal properties of a polyamide 12 matrix. Additionally, up to 60% of the normally associated lost ductility can be re-gained by surface modification, thus functionalizing the filler. To optimize the functionality further this study combines a precisely defined particle size ratio of fillers adopting a specially selected surface modification using amino hexanoic acid. Morphology of the carbonate filler was also investigated. The range of effect of each parameter on the thermal response and mechanical properties was studied. The results show that the thermal properties have large potential to be optimized, without reducing the ductility significantly, by adjusting the morphology and size ratio of coarse and fine filler particles. The compound properties were demonstrated using a twin-screw extruder, indicating the potential for producing a preparate composite for additive manufacturing.
published_date 2021-05-26T04:12:20Z
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score 11.016235

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