| Study on Preparation and Properties of SBR Foam Materials |
| Received:March 11, 2023 Revised:March 11, 2023 |
| DOI：10.12136/j.issn.1000-890X.2025.01.0010 |
| Key Words: SBR；foam materials；static stiffness；dynamic/static stiffness ratio |
| Author Name | Affiliation | E-mail | | hurunlin | Beijing University of Chemical Technology | 2631640476@qq.com | | ZHANG Jiyang | Beijing University of Chemical Technology | | | ZOU Hua* | Beijing University of Chemical Technology | zouhua@mail.buct.edu.cn | | LI Wei | Beijing University of Chemical Technology | |
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| Abstract: |
| The effects of silica amounts，peroxide BIBP and crosslinking agent TAIC amounts of sulfur/peroxide BIBP blending co-vulcanization system，foaming rates and pre-vulcanization temperatures and time on the properties of butadiene styrene rubber（SBR） foaming materials were investigated.The results showed that，as the silica amounts increased，the tensile stress at 100% elongation，tensile strength，static stiffness and dynamic/static stiffness ratio of SBR foam material increased，while the elongation at break decreased.As the peroxide BIBP and crosslinking coagent TAIC amount increased，the tensile strength，elongation at break，compression set and dynamic/static stiffness ratio of SBR foam material decreased，while the tensile stress at 100% elongation and static stiffness increased.As the foaming ratio increased，the static stiffness of SBR foam material decreased and the dynamic/static stiffness ratio increased.When the pre-vulcanization temperature was 125 ℃ and the pre-vulcanization time was 16 min，the vibration reduction properties of SBR foam material was optimal，the pore diameter was smaller and pore distribution was uniform. |
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