The effect of pumice and clay composition in natural rubber-ethylene propylene diene monomer blends towards its curing characteristics and physic-mechanical properties

Hasan, Abu and Rahmaniar and Susanto, T and Prasetya, H.A. and Marlina, P and Purbaya, M and Chalid, M (2020) The effect of pumice and clay composition in natural rubber-ethylene propylene diene monomer blends towards its curing characteristics and physic-mechanical properties. International Conference on Science and Technology for Sustainable Industry (ICSTSI), 980. pp. 1-9.

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Abstract

Since some adverse effects of using carbon black as petroleum-based filler in rubber compounding, mineral fillers may be a feasible alternative filler. This research studied the effect of the composition of pumice and clay as mineral filler in natural rubber (NR) and ethylene propylene diene monomer (EPDM) blending towards its curing characteristics and physical-mechanical properties. The effect of reinforced filled in EPDM-NR (70/30) phr blends was observed by varying 50, 70, and 90 phr of filler. While the filler was designed as the composition of pumice/clay (P/C): 20/80; 50/50; 80:20 (weight/weight). The rubber, fillers, and chemical were compounded based on ASTM D-3182. The results showed that the loading of P/C fillers in EPDM-NR blends increased scorch time and decreased cure rate index. It was found that the optimum number of filler could enhance density, modulus. Remarkably, the higher pumice composition caused the abrasion resistance and compression set improved significantly, whereas the overloading pumice and clay cause the physic-mechanical properties remained stable or evenly drop. FTIR spectra of the binary blends confirmed that the fine fillers dispersion was obtained due to some interaction bonding between silanol, aluminol of fillers with the EPDM-NR.

Item Type: Article
Subjects: T Technology > TP Chemical technology
Divisions: Chemical Engineering > Proceeding and Seminar
Depositing User: Mrs Trisni Handayani
Date Deposited: 25 Jun 2023 14:52
Last Modified: 28 Jun 2023 07:19
URI: http://eprints.polsri.ac.id/id/eprint/14002

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