Tamrin, S. Leny, Eddiyanto
The aim of this research was to synthesize liquid natural rubber (LNR) from Natural rubber (SIR-20) by chain scission method in the presence of oxygen gas and difference of peroxides, phenyl hydrazine and benzoyl peroxide. The chain scission reaction was conducted in solution of xylene in close system. SIR-20 was diluted xylene before flushing with oxygen and the addition of the peroxide. The degradation oxidation by the oxygen and the peroxides was processed at 60°C for 24 hours. The degradative oxidation product was re-precipitated by adding the excess of methanol and filtrated before dried in vacuum oven 60°C for 24 hours. The dried product was characterized by Fourier Transform Infra Red (FTIR). It was found that the liquid natural rubber product successfully degraded by chain scission process as shown the change of the peak area intensity of infrared absorption. It was showed the peaks area intensity of O-H and carbonyl group of liquid natural rubber spectra increased. © Published under licence by IOP Publishing Ltd.
Department of Chemistry, Faculty of Mathematic and Natural Science, Universitas Sumatera Utara, Kampus USU, Jln. Bioteknologi, Medan, 20215, Indonesia; Department of Chemistry, Faculty of Mathematic and Natural Science, State University of Medan, Jl. Willem Iskandar, Pasar V, Medan, 20221, Indonesia
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