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Investigating the impact of nanoparticle geothermal silica loading on the mechanical properties and vulcanization characteristics of rubber composites

Communications in Science and Technology · Vol. 8 No. 1 (2023) · hlm. 75–81

DOI
10.21924/cst.8.1.2023.1190
ISSN
2502-9266, 2502-9258
Terbit
2023-07-11
Penerbit
Komunitas Ilmuwan dan Profesional Muslim Indonesia
Bahasa
eng

Abstrak

The present study investigates the effects of nanoparticle geothermal silica (NGS) on the mechanical properties and vulcanization characteristics of rubber compounds with various filler loadings. The rubber compounds were filled with 0, 20, 30, and 40 phr of silica. The properties of NGS were analyzed using transmission electron microscopy, particle size analyzer, and BET surface area analysis to examine its morphology, size distribution, and surface area. The mechanical properties and vulcanization characteristics of the rubber compounds reinforced with NGS were evaluated using a universal testing machine and moving die rheometer. The results showed that NGS possessed the primary particle sizes below 20 nm and a surface area of 168.35 m2/g. The interaction between silica and rubber determined the modulus of the rubber composites and the vulcanization characteristics. The tensile strength of the rubber compounds, meanwhile, showed a significant increase more than threefold as the filler loading increased from 0 phr to 30 phr, followed by a slight decline at 40 phr loading. The addition of 20 phr of silica led to a prolonged scorch time compared to the filler-free compound due to the adsorption of activators and accelerators. However, the scorch time decreased after reaching 30 phr of silica loading, which could be attributed to the higher amount of bound rubber covering a portion of the silica surface, thereby reducing its ability to adsorb the activator. The presence of silica with good thermal conductivity enabled a better heat transfer during the vulcanization process, resulting in shorter curing times for higher loading. Rubber compounds with an NGS loading of 30 phr demonstrated a favorable balance between filler-rubber interactions, vulcanization characteristics, and mechanical properties in the rubber compounds.

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  • Universitas Bangun Nusantara
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Rekan penulisOrganisasiArtikel bersama
Romi SiswantoAfiliasi tidak diketahui1
Dwi SambadaAfiliasi tidak diketahui1
Sulistiyono SulistiyonoUniversitas Bangun Nusantara1
Wuwuh Asrining SuramiAfiliasi tidak diketahui1
Joni BungaiAfiliasi tidak diketahui1
Wardani Dwi WihastyanangAfiliasi tidak diketahui1
Ralph Hery BudhionoAfiliasi tidak diketahui1
Valentina Lovina TanateAfiliasi tidak diketahui1
Sigit Heru MurtiAfiliasi tidak diketahui1
Ai Siti PatimahAfiliasi tidak diketahui1

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Sumber metadata: OAI-PMH (metadata jurnal) https://cst.kipmi.or.id/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Investigating the impact of nanoparticle geothermal silica loading on the mechanical properties and vulcanization characteristics of rubber composites</dc:title>
	<dc:creator>Syabani, Muh Wahyu</dc:creator>
	<dc:creator>Rochmadi</dc:creator>
	<dc:creator>Perdana, Indra</dc:creator>
	<dc:creator>Prasetya, Agus</dc:creator>
	<dc:subject xml:lang="en-US">Geothermal waste</dc:subject>
	<dc:subject xml:lang="en-US">Rubber</dc:subject>
	<dc:subject xml:lang="en-US">Silica nanopartycle</dc:subject>
	<dc:subject xml:lang="en-US">Vulcanization</dc:subject>
	<dc:subject xml:lang="en-US">mechanical properties</dc:subject>
	<dc:description xml:lang="en-US">The present study investigates the effects of nanoparticle geothermal silica (NGS) on the mechanical properties and vulcanization characteristics of rubber compounds with various filler loadings. The rubber compounds were filled with 0, 20, 30, and 40 phr of silica. The properties of NGS were analyzed using transmission electron microscopy, particle size analyzer, and BET surface area analysis to examine its morphology, size distribution, and surface area. The mechanical properties and vulcanization characteristics of the rubber compounds reinforced with NGS were evaluated using a universal testing machine and moving die rheometer. The results showed that NGS possessed the primary particle sizes below 20 nm and a surface area of 168.35 m2/g. The interaction between silica and rubber determined the modulus of the rubber composites and the vulcanization characteristics. The tensile strength of the rubber compounds, meanwhile, showed a significant increase more than threefold as the filler loading increased from 0 phr to 30 phr, followed by a slight decline at 40 phr loading. The addition of 20 phr of silica led to a prolonged scorch time compared to the filler-free compound due to the adsorption of activators and accelerators. However, the scorch time decreased after reaching 30 phr of silica loading, which could be attributed to the higher amount of bound rubber covering a portion of the silica surface, thereby reducing its ability to adsorb the activator. The presence of silica with good thermal conductivity enabled a better heat transfer during the vulcanization process, resulting in shorter curing times for higher loading. Rubber compounds with an NGS loading of 30 phr demonstrated a favorable balance between filler-rubber interactions, vulcanization characteristics, and mechanical properties in the rubber compounds.</dc:description>
	<dc:publisher xml:lang="en-US">Komunitas Ilmuwan dan Profesional Muslim Indonesia</dc:publisher>
	<dc:date>2023-07-11</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://cst.kipmi.or.id/journal/article/view/1190</dc:identifier>
	<dc:identifier>10.21924/cst.8.1.2023.1190</dc:identifier>
	<dc:source xml:lang="en-US">Communications in Science and Technology; Vol. 8 No. 1 (2023); 75-81</dc:source>
	<dc:source xml:lang="id-ID">Communications in Science and Technology; Vol 8 No 1 (2023); 75-81</dc:source>
	<dc:source>2502-9266</dc:source>
	<dc:source>2502-9258</dc:source>
	<dc:source>10.21924/cst.8.1.2023</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://cst.kipmi.or.id/journal/article/view/1190/133</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2023 Communications in Science and Technology</dc:rights>
</oai_dc:dc>