Topic
Styrene-butadiene
About: Styrene-butadiene is a research topic. Over the lifetime, 5568 publications have been published within this topic receiving 62099 citations. The topic is also known as: styrene-butadiene rubber & SBR.
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TL;DR: In this paper, photoinitiated thiol/ene polymerization was used to crosslink a triblock styrene/butadiene/styrene (SBS) polymer of low vinyl content (8%).
Abstract: Photoinitiated thiol/ene polymerization was used to crosslink a triblock styrene/butadiene/styrene (SBS) polymer of low vinyl content (8%). The crosslinking process was followed by infrared spectroscopy (loss of unsaturation), insolubilization, swelling, and hardness measurements. The photogenerated thiyl radicals react with both the vinyl and the 2-butene double bonds of the copolymer. Concentrations of less than 1 wt % in the trifunctional thiol crosslinker and in the acylphosphine oxide photoinitiator proved to be sufficient to create, within 0.5 s, a permanent chemical network in the elastomeric phase. This UV-curing technology was successfully applied to crosslink rapidly commercial SBS–Kraton® thermoplastic elastomers. It proved also effective in the case of the much less reactive triblock styrene/isoprene/styrene (SIS) polymer which contains no vinyl double bonds. The thiol/ene polymerization was shown to be a much more efficient process to crosslink SBS and SIS thermoplastic elastomers than was the copolymerization of the rubber double bonds with a diacrylate monomer. © 2000 John Wiley & Sons, Inc. J Appl Polym Sci 77: 1902–1912, 2000
52 citations
TL;DR: In this paper, the effects of filler particle size, in two scales of nano- and micro-meters, on dynamics of rubber chains and frictional properties of composites were studied.
52 citations
TL;DR: In this article, a novel rubber antioxidant, silica-supported 2-mercaptobenzimidazole (SiO2-s-MB), was prepared by reacting 2-MERCabenzimide (MB) with chlorosilane-modified silica (m-SiO 2 ) using a novel type of rubber antioxidant.
51 citations
TL;DR: In this paper, Mo-based high vinyl polybutadiene rubber (HVBR) with high loss factor, excellent aging resistance and glass transition temperature closer to room temperature, is a promising damping material.
51 citations
TL;DR: Water-borne conducting SBR (styrene butadiene rubber) composites containing surface modified multi-layered graphene sheets (MLGSs) were prepared using a simple heterocoagulation process as discussed by the authors.
Abstract: Water-borne conducting SBR (styrene butadiene rubber) composites containing surface-modified multi-layered graphene sheets (MLGSs) were prepared using a simple heterocoagulation process. Three different types of MLGSs were used and compared; raw, carboxylated, and cetyltrimethyl ammonium bromide (CTAB)-stabilized MLGSs. The SBR latex was mixed with a well-dispersed MLGS aqueous dispersion and heterocoagulated using a flocculant, polyaluminium chloride (PAC), at elevated temperatures. After particle growth and successive stabilization steps, the particulate SBR/MLGS composites were prepared in the size range, 10–100 μm. The CTAB-stabilized MLGSs were dispersed more effectively in the SBR matrix owing to their electrostatic attraction with the negatively charged SBR colloid particles. The MLGS-containing the SBR composites showed improved thermal stability and electrical conductivity. Importantly, the percolation threshold for the electrical conductivity was achieved at a low MLGS concentration, i.e., 0.5 wt%, using this heterocoagulation process.
51 citations