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 article, the pyrolysis of SBR (styrene-butadiene rubber) was investigated by a dynamic thermogravimetric apparatus, where it was possible to treat samples in form of cylinders with a weight of about 30 grams.
37 citations
TL;DR: In this article, the thermal behavior of styrene butadiene rubber (SBR)/poly (ethylene-co-vinyl acetate) (EVA) blends was studied by using thermogravimetry (TG) and differential scanning calorimetry.
Abstract: The thermal behaviour of styrene butadiene rubber (SBR)/poly (ethylene-co-vinyl acetate) (EVA) blends was studied by using thermogravimetry (TG) and differential scanning calorimetry (DSC). The effects of blend ratio, cross-linking systems and compatibilization on the thermal stability and phase transition of the blends were analyzed. It was found that the mass loss of the blends at any temperature was lower than that of the components, highlighting the advantage of blending SBR and EVA. The addition of compatibilizer was also found to improve the thermal stability. DSC studies indicated the thermodynamic immiscibility of SBR/EVA system even in the presence of the compatibilizer. This is evident from the presence of two different glass transition temperatures, corresponding to SBR and EVA phases in both compatibilized and uncompatibilized blends.
37 citations
TL;DR: In this paper, a trimethylolpropane tris(3-mercaptopropionate) (TMPMP) was carefully chosen to couple SiR and SSBR by in situ thiol-ene click reactions between mercapto groups of TMPMP and vinyl groups of SiR.
Abstract: The low surface energy of silicone rubber (SiR) makes it difficult to blend SiR with conventional rubbers such as solution styrene−butadiene rubber (SSBR) and natural rubber. In this study, to enhance the interface interaction between SiR and SSBR, trimethylolpropane tris(3-mercaptopropionate) (TMPMP) was carefully chosen to couple SiR and SSBR by in situ thiol-ene click reactions between mercapto groups of TMPMP and vinyl groups of SiR and SSBR. The reaction of TMPMP with SiR and SSBR was characterized via torque–time curves, element analysis, and the dissolving–swelling test. Accordingly, a two-step strategy was proposed to prepare SiR/SSBR composites. Transmission electron microscopy indicated that the two-step strategy reduced the phase domain size of the blend. The composite exhibited higher mechanical properties and lower hysteresis. The results would extend SiR applications.
37 citations
TL;DR: The polymers which are processed by melt processes, such as molding and extrusion, may be divided in various ways, for example, they may be classified into thermoplastics, thermosetting plastics and, into elastomers as mentioned in this paper.
36 citations
TL;DR: In this article, the effect of shear rate and mixing time on the composition and thermal properties of unaged and aged bitumen was studied using a combination of Fourier Transform Infrared (FTIR) spectroscopy, Modulated Differential Scanning Calorimetry (MDSC) and Thermo-gravimetric Analysis (TGA).
36 citations