2002
DOI: 10.1295/polymj.34.674
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End Functionalization of Styrene–Butadiene Rubber with Poly(ethylene glycol)–poly(dimethylsiloxane) Terminator

Abstract: ABSTRACT:A polar polydimethylsiloxane terminator was prepared and reacted with living copolymer anion of styrene and butadiene, to synthesize end-functionalized styrene-butadiene rubber (SBR). As a polar functional terminator, poly(ethylene glycol)-poly(dimethylsiloxane) block copolymer (PEG-PDMS) containing a chlorosilyl moiety at one chain end (1) was synthesized by two-step hydrosilylation. End capping of poly(styrene-butadiene) living anion with PEG-PDMS terminator (1) afforded polymers with polar poly(dim… Show more

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Cited by 13 publications
(9 citation statements)
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“…To improve the performance of silica/rubber nanocomposites and lower the VOCs emission, as opposed to modifying the silica surface, the compatibility of silica and rubber can also be improved by the functionalization of the rubber molecular chain, e.g., introducing functional groups like carboxyl groups [ 24 , 25 ], hydroxyl groups [ 26 , 27 , 28 , 29 , 30 ], alkoxysilane groups, and epoxy groups [ 3 , 20 , 28 ] onto rubber chains during post-polymerization process. Additionally, these functional groups, especially alkoxysilane groups [ 31 , 32 , 33 , 34 ], can be introduced to the polymer chain during the polymerization process, copolymerization, or termination. These groups provide the rubber with polarity or more reactivity with silicon hydroxyl on silica surface.…”
Section: Introductionmentioning
confidence: 99%
“…To improve the performance of silica/rubber nanocomposites and lower the VOCs emission, as opposed to modifying the silica surface, the compatibility of silica and rubber can also be improved by the functionalization of the rubber molecular chain, e.g., introducing functional groups like carboxyl groups [ 24 , 25 ], hydroxyl groups [ 26 , 27 , 28 , 29 , 30 ], alkoxysilane groups, and epoxy groups [ 3 , 20 , 28 ] onto rubber chains during post-polymerization process. Additionally, these functional groups, especially alkoxysilane groups [ 31 , 32 , 33 , 34 ], can be introduced to the polymer chain during the polymerization process, copolymerization, or termination. These groups provide the rubber with polarity or more reactivity with silicon hydroxyl on silica surface.…”
Section: Introductionmentioning
confidence: 99%
“…Toughness of the materials, evaluated by integrating area under the stress-strain curve was in the range 19⋅41-23⋅28 J/m 3 . In comparison with the reported SBS-based blends, these values initially seemed to be pretty high (Kim et al 2001). Figure 4 illustrates SEM images of new blends prepared.…”
Section: Tensile Strengthmentioning
confidence: 79%
“…This morphology composed of dispersed nanopores was accountable for fine conductivity in new blends as compared with previous SBS/PANI. 21 To gain better insight into the blend morphology, a thin film of SBS/PAT 10 was prepared for optical microscopic study. Figure 5 shows that the blend exhibited a typical two-phase morphology composed of round drops of diameter of several micrometers.…”
Section: Morphological Aspectmentioning
confidence: 99%