Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament application

This research identified the type of gel in the modified-recycled poly (ethylene terephthalate) (modified-rPET) filament, with various content of heat stabilizer, Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate. The content of the heat stabilizer used in this study were 0,...

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Main Authors: Parneam Nismar, Na Ayutthaya Siriorn Isarankura, Sukhawipat Nathapong
Format: Article
Language:English
Published: EDP Sciences 2025-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/10/e3sconf_ri2c2025_01005.pdf
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author Parneam Nismar
Na Ayutthaya Siriorn Isarankura
Sukhawipat Nathapong
author_facet Parneam Nismar
Na Ayutthaya Siriorn Isarankura
Sukhawipat Nathapong
author_sort Parneam Nismar
collection DOAJ
description This research identified the type of gel in the modified-recycled poly (ethylene terephthalate) (modified-rPET) filament, with various content of heat stabilizer, Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate. The content of the heat stabilizer used in this study were 0, 0.05, 0.1, 0.2, 0.3, 0.4 and 0.5 pph. Gel characteristics of the modified-rPET filament were characterized by using the hot stage microscopy technique. It was found that gels with heat stabilizer at 0-0.3 pph showed the unmeltgel formation characteristic. On the other hand, the addition of heat stabilizer at 0.4-0.5 pph showed the formation of crosslinked-gel characteristic, this gel does not melt even if the temperature reached to the melting temperature. This gel affects the process-ability of 3D printing. Therefore, it becomes clogged at the nozzle of 3D printer. Furthermore, this research also determined the crosslinked-gel contents inside the modified-rPET filaments, with various content of heat stabilizer, by a solvent extraction technique. Using trifluoroacetic acid/dichloromethane blended solution, it was found that at increase of the heat stabilizer content, the higher the content of crosslinked gel were observed significantly.
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institution Kabale University
issn 2267-1242
language English
publishDate 2025-01-01
publisher EDP Sciences
record_format Article
series E3S Web of Conferences
spelling doaj-art-5d331f5ea0694fb68508a585d4117b4f2025-02-05T10:50:19ZengEDP SciencesE3S Web of Conferences2267-12422025-01-016100100510.1051/e3sconf/202561001005e3sconf_ri2c2025_01005Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament applicationParneam Nismar0Na Ayutthaya Siriorn Isarankura1Sukhawipat Nathapong2Department of Power Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North BangkokDepartment of Power Engineering Technology, College of Industrial Technology, King Mongkut’s University of Technology North BangkokCenter of Aircraft and Defence Technology (CADeT), Techno Park, King Mongkut’s University of Technology North BangkokThis research identified the type of gel in the modified-recycled poly (ethylene terephthalate) (modified-rPET) filament, with various content of heat stabilizer, Pentaerythritol tetrakis(3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate. The content of the heat stabilizer used in this study were 0, 0.05, 0.1, 0.2, 0.3, 0.4 and 0.5 pph. Gel characteristics of the modified-rPET filament were characterized by using the hot stage microscopy technique. It was found that gels with heat stabilizer at 0-0.3 pph showed the unmeltgel formation characteristic. On the other hand, the addition of heat stabilizer at 0.4-0.5 pph showed the formation of crosslinked-gel characteristic, this gel does not melt even if the temperature reached to the melting temperature. This gel affects the process-ability of 3D printing. Therefore, it becomes clogged at the nozzle of 3D printer. Furthermore, this research also determined the crosslinked-gel contents inside the modified-rPET filaments, with various content of heat stabilizer, by a solvent extraction technique. Using trifluoroacetic acid/dichloromethane blended solution, it was found that at increase of the heat stabilizer content, the higher the content of crosslinked gel were observed significantly.https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/10/e3sconf_ri2c2025_01005.pdf
spellingShingle Parneam Nismar
Na Ayutthaya Siriorn Isarankura
Sukhawipat Nathapong
Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament application
E3S Web of Conferences
title Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament application
title_full Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament application
title_fullStr Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament application
title_full_unstemmed Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament application
title_short Effect of heat stabilizer content on the gel characteristic of the modified-recycled PET for 3D printing filament application
title_sort effect of heat stabilizer content on the gel characteristic of the modified recycled pet for 3d printing filament application
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2025/10/e3sconf_ri2c2025_01005.pdf
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AT naayutthayasiriornisarankura effectofheatstabilizercontentonthegelcharacteristicofthemodifiedrecycledpetfor3dprintingfilamentapplication
AT sukhawipatnathapong effectofheatstabilizercontentonthegelcharacteristicofthemodifiedrecycledpetfor3dprintingfilamentapplication