K.O. Eguare , L.O. Ekabafe, M.D. Ayo
A comparative study of the filler’s reinforcing potentials of acetylated sawdust, non- acetylated sawdust and those filled with the conventional N330 carbon black was investigated. The sawdust was sourced and characterized in terms of moisture content, bulk density, pH, ash content and iodine adsorption number, using prescribed methods. Natural rubber samples were compounded with 50% acetylated sawdust powder, non- acetylated sawdust powder and with that of the N330 carbon black at filler loading levels of 10phr, 20phr, 30phr, 40phr and 50phr respectively. Standard formulation with efficient vulcanization system was used. The physico mechanical properties of the acetylated sawdust powder filled vulcanizates were compared with those filled with untreated Sawdust and N330 carbon black. The result obtained show that the acetylated sawdust filled vulcanizates present better tensile strength than the untreated sawdust. N330 carbon black had the highest value for tensile test which shows from the result obtained that N330 carbon black is more effective as reinforcing filler than the acetylated sawdust filled and non- acetylated sawdust filled vulcanizates. Read full PDF
Keywords: Sawdust, Loading, Natural rubber, Vulcanizate
 Ayo, M.D; Madufor I.C, Ekebafe L.O, Chukwu M.N (2010).Effects of carbonization Temperature on the mechanical and behavior of natural rubber filled groundnut shell, 3, 11-15
 Bledzki, A.K; Mamun, A.A Lucka- Gabor, M, & Gutowski, v.s (2008): the effect of acetylation on properties of flax fibre and its propylene composites. Express polymer letters. 2 (6), 413-422.
 Joseph, Mattoso, L.H.C, Toledo R.D, Thamas: DE Carvalho, L.H, Pothen, L; Kalas & James B (2001): Natural fibre composite. Brazil Embrapa, USP- 10SC 159.
 Pizza, A, Eaten A (1987): The structure of cellulose by conformation analysis. Fournal o0f macromolecular science. Part A, 24, 1065-1084. K.O Eguare et al. / Journal of Science and Technology Research 2(1) 2020 pp. 78-84 84
 Ray D; Sarkan, B.K, Rama, A.K and Bose N.R (2009): Natural fibres reinforced thermoplastics composites in natural polymer. Material science journal 24 (2) 129-135
 Sukru, Y.O, Zlen C, Ahmer C (2008): The effects of Fibre contents on the mechanical properties of adobes, construction and Building Materials,6, 22.
 Joseph, K. Mattoso, L.H.C, Toledo R.D, thamas;De carvacho, L.H, pathen, L; Kalas & James B (2001): Natural fibre associated reinforced thermoplastics composite. Brazil Embraps USP-10sc 159.
 Ishak, Z.A.M, Bakar, A.A (2005): An investigation on the potential of rice rusk ash as fillers for Epoxidized Natural Rubber (ENR). European Polymer Journal. 31 (3), 259-269.
 ASTMD 3184-84(1983): Standard method for compound rubber.
 ASTMD 1412-87 (1983): Standard method for testing for tensile strength
 ASTMD 1415 (1983): Standard method for testing hardness
 B S 903 Part A26 (1983): British Standard Test Method For Abrasion Resistance Test For Compounded Rubber
 ASTMD 385 (1983): Standard test method for compression set for compound rubber.
 Ishak and Baker, (1995): Z.A.M. Ishak, A.A. Baker: An investigation on the potential of rice husk ash as fillers for epoxidized natural rubber. Eur. Polym., 31 (3), 259-269
 Jideonwo, J.P. Utuk, A (2001) Physico-mechanical properties of rubber seed shell filled Natural rubber compounds Niger. J. App. Sci., 18 (2001), pp. 115-120
 Ahmedna, M; Johnson, M; and (Karke, S.J; Marshal W.E, and Rao, R.M (1997): Potentials of agricultural by-products based activated carbon for use in raw sugar decolorization. Journal of science and food Agriculture, 75,117-124
 Bueche F. (1979): Physical properties of Polymers, REK Publishers Company, pp. 56-60
 Lawrence, E.N (1974) “Mechanical properties of polymers and composite,’’ vol 2 Marcel Decker, New York. 111-150