Effect of Changing of Filling Materials in NR-SBR Type Elastomer Based Rubber Materials on Mechanical Properties

Abstract

Abstract:The effects of different filling materials and stabilizers in polymer based materials that are used as shoe soles in the shoemaking industry on the mechanical properties (strength, failure, tensile, tearing, bending etc.) of the final products have been examined in this study. Natural rubber (NR RSS3) and styrene-butadiene rubber (SBR 1502) were used as the main matrix material. New compounds were formed by replacing the fillings in the general compound of the existing factory (SiO 2 , CaCO 3 ) with 40% (1200 g) blast furnace flue dust, rice husk, reclaimed rubber (recycled) and wood ash. Comparison of the new compounds with the existing compounds revealed a decrease in hardness, density, dimension stability, bending, tearing, % elongation and failure strength and an increase in wearing.

Improving the crosslink density and the mechanical properties after vulcanization for an iron oxide layer (scale) and SBR/rubber masterbatch

“…[29][30][31] The target density in the elastomeric materials varies depending on the environment and conditions in which the material will be used. The desired maximum density value of the soles, according to ISO 4649 standard, is 1.5 g/cm 3 . Figure 3a shows that samples' densities are below the upper limit value specified in the standard.…”

“…A standard rubber stated that in ISO 4649 is required to determine the abrasion resistance index (ARI) of the vulcanisates for comparison. According to the standard, the maximum acceptable abrasion loss is 250 mm 3 . Figure 3b shows the abrasion loss of the vulcanisates were relatively similar.…”

“…for reducing the costs; there are also studies in which many herbal and mineral origin wastes are utilized as a filler. [2][3][4] The varying price of carbon black, arising from the instability in oil prices, produced from unrenewable resources such as petroleum and natural gas, has recently enforced the industry to search for alternative filler materials. 5 When the relevant studies in the literature are reviewed, it is seen that many filler materials such as rice husk, clay, wood ash, regenerated (recycled) rubber, blast furnace flue dust, mica powder, wollastonite etc.…”

The effect of wood ash on the mechanical properties of rubber compounds

“…The fracture surfaces of the samples were coated with 5-nm thick 100 % gold in order to prevent electrostatic loading and increase the conductivity. 17,25,26 A Quorum, Q 150R ES model device was used for coating. During the examination of the microstructure the preferred working voltage of the microscope was 20 kV.…”

“…23,24 According to a study of ªaban et al carried out in 2014, they proved that wood ash could be used as an effective filler material in polymer materials. 25 It should be noted that our natural resources are not infinite, that every source of production is reduced and that our natural resources are completely lost if they are carelessly used. The aim of this study is to show that wood ash in the form of garbage that leads to environmental pollution is a recyclable material that goes to waste and to shed light on similar studies.…”