| Structure and Properties of Star-Shaped Solution SBR/IR Blends |
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| DOI： |
| Key Words: star-shaped solution styrene butadiene rubber；isoprene rubber；processing property；rolling resistance；wet-skid resistance |
| Author Name | Affiliation | | YAO Qian | Beijing University of Chemical Technology | | ZHAO Suhe | Beijing University of Chemical Technology | | CHEN Yiyi | Beijing University of Chemical Technology |
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| Abstract: |
| The influence of the blending ratio on the properties of self-developed star-shaped solution SBR（S-SSBR）/IR blends reinforced by carbon black was studied.The results showed that S-SSBR had good compatibility with IR，blending with IR improved the processing properties and low temperature properties of S-SSBR，and increased the cure rate.With increase of the addition level of IR，the hardness and compression temperature rise of the vulcanizates decreased，the abrasion resistance and tensile permanent set gradually increased.The change of wear surface morphology and physical properties showed that phase transition occurred while the adding level of IR reached 40 phr.When S-SSBR was in continuous phase，the wet-skid resistance decreased and rolling resistance changed little with the increase of the addition level of IR.When the blending ratio of S-SSBR/IR was 80/20，the blend had the better comprehensive properties. |
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