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Journal of Engineering and Applied Sciences

ISSN: Online 1818-7803
ISSN: Print 1816-949x
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Influence of Si-69 Treated Hybrid Carbon Black/Precipitated Calcium Carbonate Filler on the Crosslink Density and Physico-Mechanical Properties of NR/SBR Blends

Siti Nur Liyana Mamauod, Nor Atiqah Suhaimi, Rossuriati Dol Hamid, Amirah Amalina Ahmad Tarmizi and Siti Salina Sarkawi
Page: 7771-7777 | Received 21 Sep 2022, Published online: 21 Sep 2022

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https://doi.org/10.36478/jeasci.2019.7771.7777

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Abstract

Surface treament of Carbon Black (CB) and Precipitated Calcium Carbonate (PCC) was successfully prepared and used as a reinforcement in Natural Rubber and Styrene Butadiene Rubber (NR/SBR) blends. The effect of different concentration of tetra bis (3-(triethoxysilyl) propyl) tetrasulfide silane coupling agent (Si-69) ranging from 2-10 wt.% on the CB/PCC surface was studied by calculating the crosslink density formed between rubber and filler phases using Flory-Rehner equation. The data for Flory Rehner equation was obtained by swelling measurement. And also, the physical and mechanical of Si-69 treated CB/PCC reinforced NR/SBR blends was investigated. The amount of CB and PCC was set to be fixed. It was shown from the experimental results that 6% of Si-69 solution was the optimum concentration which exhibited the highest crosslink density developed between filler and rubber matrix phases as compared to the other treated and untreated samples. Up to 6% of Si-69 concentration gave the plasticizing effect on the filler surface resulting in reduction of physical and mechanical properties of NR/SBR blends. Apart from that the obtained results indicated that treated CB/PCC filler at 6 wt.% Si-69 concentration exhibited better overall physical and mechanical properties due to good filler-rubbermatrix interfacial bonding.

How to cite this article:

Siti Nur Liyana Mamauod, Nor Atiqah Suhaimi, Rossuriati Dol Hamid, Amirah Amalina Ahmad Tarmizi and Siti Salina Sarkawi. Influence of Si-69 Treated Hybrid Carbon Black/Precipitated Calcium Carbonate Filler on the Crosslink Density and Physico-Mechanical Properties of NR/SBR Blends.
DOI: https://doi.org/10.36478/jeasci.2019.7771.7777
URL: https://www.makhillpublications.co/view-article/1816-949x/jeasci.2019.7771.7777