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, waste newsprint paper fiber was treated by polystyrene emulsion and included as a filler in styrene butadiene rubber, and the composites were subjected to electron beam irradiation at different irradiation doses, and follow-up was done on the effect of irradiation dose and fiber concentration on mechanical and physical properties of prepared composites.
Abstract: In this study, waste newsprint paper fiber was treated by polystyrene emulsion and included as a filler in styrene butadiene rubber. Then, the composites were subjected to electron beam irradiation at different irradiation doses, and follow-up was done on the effect of irradiation dose and fiber concentration on mechanical and physical properties of prepared composites. The results indicated that the mechanical properties like tensile strength, elongation at break, stiffness, and toughness were enhanced by the increase of radiation and fiber content. Also, the physical properties like soluble fraction, swelling ratio, and volume fraction of rubber in swollen gel were enhanced by the increase of radiation and fiber content. On the other hand, scanning electron microscope (SEM) results confirmed that adhesion was situated between fiber and rubber matrix.
22 citations
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01 Oct 1997TL;DR: In this article, a repulpable moisture vapor barrier consisting of a resin latex and a hydrophobic component having a crystalline platelet structure is presented. But the barrier is not suitable for polyvinyl alcohol.
Abstract: The present invention provides a repulpable moisture vapor barrier. The moisture vapor barrier comprises a resin latex and a hydrophobic component having a crystalline platelet structure. Suitable resin latexes include polystyrene, styrene-acrylonitrile, styrene-acrylonitrile-butadiene, styrene acrylates, styrene-butadiene, carboxylated styrene butadiene, polyvinyl chloride, polyvinyl acetate, waterborne polyurethanes, alkyl acrylates, polyvinylidene chloride, ethyl vinyl chloride, and copolymers and terpolymers thereof. Preferably the hydrophobic component is suspended in means for suspending the component such as fully hydrolyzed polyvinyl alcohol.
22 citations
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TL;DR: In this paper, the effect of styrene-butadiene rubber (SBR) radiation curing with doses ranging from 25kGy to 200kGy, at room temperature and air atmosphere was investigated.
22 citations
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TL;DR: Graft polymerization of N-isopropylacrylamide (NIPAAm) onto styrene-butadiene-styrene (SBS) block copolymer using benzoyl peroxide was studied to improve the water absorptivity and thermosensitivity of SBS.
Abstract: Graft polymerization of N-isopropylacrylamide (NIPAAm) onto styrene-butadiene-styrene (SBS) block copolymer using benzoyl peroxide was studied to improve the water absorptivity and thermosensitivity of SBS. The influence of various grafting reaction factors on the conversion of NIPAAm and the grafting percentage of SBS-g-NIPAAm were also investigated in the study. The experimental results showed that the conversion of SBS-g-NIPAAm was enhanced as the monomers of NIPAAm were increased. The maximum conversion of SBS-g-NIPAAm was observed when the molar ratio of NIPAAm to butadiene was 1.25. In addition, increasing the reaction time enhanced the conversion of SBS-g-NIPAAm; the maximum grafting percentage was obtained with a 4-h reaction. The optimal concentration of the initiator was 3 × 10−4 mol/20 mL of toluene, and the grafting reaction occurred at over 65°C. The test results of the hydrophilicity of the grafted membranes showed that the hydrophilicity and thermosensitivity were significantly enhanced by grafting NIPAAm onto SBS. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 82: 2641–2650, 2001
22 citations
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TL;DR: In this paper, an exfoliated styrene-butadiene-styrene triblock copolymer (SBS)/montmorillonite nanocomposite was synthesized by anionic polymerization.
Abstract: We successfully synthesized an exfoliated styrene–butadiene–styrene triblock copolymer (SBS)/montmorillonite nanocomposite by anionic polymerization. Gel permeation chromatography showed that the introduction of organophilic montmorillonite (OMMT) resulted in a small high-molecular-weight fraction of SBS in the composites, leading to a slight increase in the weight-average and number-average molecular weights as well as the polydispersity index. The results from 1H-NMR revealed that the introduction of OMMT almost did not affect the microstructure of the copolymer when the OMMT concentration was lower than 4 wt %. Transmission electron microscopy and X-ray diffraction showed a completely exfoliated nanocomposite, in which both polystyrene and polybutadiene blocks entered the OMMT galleries, leading to the dispersion of OMMT layers on a nanoscale. The exfoliated nanocomposite exhibited higher thermal stability, glass-transition temperature, elongation at break, and storage modulus than pure SBS. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci, 2006
22 citations