Applied Chemical Engineering

Analytical Chemistry Evaluation of Additive-Induced Stability in Polymer FDM-AM Filaments

Hala Hussain Kareem

Department of Radiology and Ultrasound Technologies, Al-Turath University, Baghdad,10013, Iraq

Ahmed Hussein Ahmed

Medical Technical College, Al-Farahidi University, Baghdad, 10111, Iraq

Abdul_mohsen Naji Al-mohesen

Al-Hadi University College, Baghdad, 10011, Iraq

Issa Mohammed Kadhim

Department of Medical Laboratories Technology, Al-Nisour University College, Nisour Seq. Karkh, Baghdad,10015,Iraq

Muntadher Abed Hussein

Al-Manara College for Medical Sciences, Amarah, Maysan, 62001/Iraq

Nour Mohamd Rasla

Department of Medicinal Chemistry,Al-Zahrawi University College, Karbala, 56001,Iraq

Muntadher Kadhem Sultan

Department of Medicinal Chemistry,Mazaya University College, Dhi Qar,21974, Iraq.

Duha Abed Almuhssen Muzahim

Department of Medicinal Chemistry,Mazaya University College, Dhi Qar,21974, Iraq.

Mustafa S. Shareef

Department of Medical Laboratory Techniques, College of Health and Medical Techniques, Al-Bayan University, Baghdad, Iraq.

DOI: https://doi.org/10.59429/ace.v9i1.5752

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Abstract

The performance and longevity of polymer filaments in Fused Deposition Modeling Additive Manufacturing (FDM-AM) are highly dependent on their chemical and thermal stability, which can be significantly enhanced by the incorporation of functional additives. This study explores the role of stabilizers, plasticizers, nanofillers, and antioxidant agents in improving the structural integrity and printability of common polymers such as polylactic acid (PLA), polyethylene terephthalate glycol (PETG), and acrylonitrile butadiene styrene (ABS). Analytical chemistry techniques, including Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and gel permeation chromatography (GPC), are reviewed and applied as critical tools to evaluate molecular interactions, degradation kinetics, and additive dispersion within the polymer matrix. Results highlight that additives not only suppress thermo-oxidative degradation and moisture sensitivity but also influence glass transition behavior, crystallinity, and filament rheology, ultimately leading to improved dimensional accuracy and mechanical performance in printed parts. This work provides a comprehensive framework for correlating chemical stability with processing reliability in FDM-AM, offering insights for the development of next-generation, high-performance, and durable polymer filaments tailored for sustainable and industrial applications.

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