The properties of elastomeric composites based on three network precursors

被引:1
作者
Jovanovic, Vojislav [1 ]
Jovanovic, Slavisa [2 ]
Markovic, Gordana [3 ]
Samarzija-Jovanovic, Suzana [1 ]
Porobic, Slavica [4 ]
Budinski-Simendic, Jaroslava [5 ]
Marinovic-Cincovic, Milena [4 ]
机构
[1] Univ Pristina, Fac Nat Sci & Math, Dept Chem, Kosovska Mitrovica 38220, Serbia
[2] Mitas Doo, Dept Wheel Syst, Ind Bb, Ruma 22400, Serbia
[3] Tigar AD, Qual Dept, Pirot 18300, Serbia
[4] Univ Belgrade, Lab Radiat Chem & Phys, Inst Nucl Sci Vinca, Belgrade 11000, Serbia
[5] Univ Novi Sad, Fac Technol, Dept Mat Engn, Novi Sad 21000, Serbia
关键词
MECHANICAL-PROPERTIES; BUTADIENE RUBBER; WASTE; RECLAMATION;
D O I
10.1002/pc.24854
中图分类号
TB33 [复合材料];
学科分类号
摘要
The powder recycled rubber (PRR) can be used as a filler and a modifier for elastomeric materials and asphalt. Composites based on elastomers and recycled rubber powders are a serious challenge for the environment. The main goal of this paper was to study the effect of rubber powder on the mechanical properties of elastomeric composites based on three precursors of the network. Triple blends were prepared using non-polar natural rubber (NR), polyisoprene rubber (BR), and styrene-butadiene rubber (SBR) (mass ratio 40/40/20). In all rubber compounds, the carbon black (CB)/PRR mass ratio is constant (60). Samples were prepared using two roll mill. The characteristics of hardening (optimum cure time, scorch time, minimum and maximum torque) of rubber mixtures were tested. Tensile strength, modulus at 100% elongation and elongation at break are decreasing with PRR ratio is increasing. It is due to poor adhesion of PRR into NR/BR/SBR/CB matrix. The thermal degradation temperature shifts to a higher temperature up to 5 phr of PRR in NR/BR/SBR/CB rubber blends. Fourier-transform infrared spectra of NR/BR/SBR/CB/PRR samples show that the absorption bands shifted 7-15 cm(-1) to higher wavenumbers and confirmed rubber-filler interaction. Morphology was assessed by scanning electron microscopy. POLYM. COMPOS., 40:1307-1314, 2019. (c) 2018 Society of Plastics Engineers
引用
收藏
页码:1307 / 1314
页数:8
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