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All Journal Jurnal Teknik Kimia The Journal of Pure and Applied Chemistry Research Serambi Engineering
Dyah Suci Perwitasari
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Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology

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Journal : The Journal of Pure and Applied Chemistry Research

 1 
Impact of Thermal Properties on the Swelling Behavior of Polymer Composites Reinforced with Silica Xerogel Fauziyah, Nur Aini; Fina Nidha Ulmu Fidha; Meiska Diah Kusumawardani; Putri Catur Kusumaningtyas; Primasari Cahya Wardhani; Dyah Suci Perwitasari
The Journal of Pure and Applied Chemistry Research Vol. 14 No. 2 (2025): Edition May-August 2025
Publisher : Chemistry Department, The University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/

Abstract

This study investigates the swelling behavior and thermomechanical properties of polyethylene glycol (PEG) and silica xerogel composites using Dynamic Mechanical Analysis (DMA) and Differential Scanning Calorimetry (DSC). The composites were synthesized via a hydrothermal method and prepared by wet mixing PEG with silica xerogel. The analysis revealed that the interaction between PEG and silica xerogel significantly affects both the thermal and morphological properties of the composites. DSC data showed a shift in the glass transition temperature (Tg) and an earlier onset of thermal degradation in the PEG-Silica Xerogel 10 wt.% composite (P-SX10), indicating increased molecular mobility and reduced matrix stability. Notably, the swelling behavior was strongly influenced by temperature: as the temperature increased, the composites exhibited greater expansion and surface degradation, particularly in PEG-rich systems. This thermal sensitivity is attributed to the loosening of polymer–filler interactions and the partial debonding of matrix structures. The findings suggest that both composite composition and thermal exposure play critical roles in determining swelling characteristics and long-term structural integrity. 
Co-Authors Caecilia Pujiastuti Dodik Hendra Saputra Evlyansa Bunga Rizka Ananda Fina Nidha Ulmu Fidha Meiska Diah Kusumawardani Nur Aini Fauziyah Putri Catur Kusumaningtyas