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Journal > Jurnal Sains Materi Indonesia > SYNTHESIS AND CHARACTERIZATION OF NATURAL RUBBER-SILICA COMPOSITE

 

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Jurnal Sains Materi Indonesia
Vol 12, No 2 (2011): Februari 2011
SYNTHESIS AND CHARACTERIZATION OF NATURAL RUBBER-SILICA COMPOSITE
Gunawan, Indra ( Center for Technology of Nuclear Industry Materials-National Nuclear Energy Agency Kawasan Puspiptek Serpong 15314, Tangerang, Indonesia)
., Hildayati ( Dept. of Physics, Fac. of Math. and Natural Sciences-Sepuluh November Institute of Tech. Surabaya Kampus ITS Sukolilo, Surabaya 60111, Indonesia)
., Sudirman ( Center for Technology of Nuclear Industry Materials-National Nuclear Energy Agency Kawasan Puspiptek Serpong 15314, Tangerang, Indonesia)
Budianto, Emil ( Dept. of Chemistry, Fac. of Math. and Natural Sciences-University of Indonesia Kampus Baru UI, Depok 16424, Indonesia)
Article Info   ABSTRACT
Published date:
26 Nov 2013
 
The composite of natural rubber-silica have been developed with a combination of silica (SiO2)particles in irradiated natural rubber. This research was conducted with the aim to composite material with irradiated natural rubber as the matrix and silica particles as filler and to study the distribution of silica in the matrix as well as mechanical and physical properties. The results showed that the SiO2 particles homogenously distributed across the surface of natural rubber matrix as the cluster. The particles are arranged as a cluster by using 3-aminopropyltriethoxysilane (APTES) as a coupling agent. Tensile strength, tensile modulus and elongation at break of composite materials have increased as the addition of SiO2 on the composition of 9 to 12 percent weight in natural rubber. Additions of SiO2 composition in the matrix will also increase the hardness of the composite. Structural analysis were performed using FT-IR and SEM. Composite of natural rubber-SiO2 have a great potential to be applied as a natural rubber base materials mainly as protective products with higher performance.Keywords: Natural rubber, Silica, Composite, Coupling agent.
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