| Study on Application of Domestic Butyl Rubber ZJ-09 in Vulcanization Capsule |
| Received:December 11, 2025 Revised:December 26, 2025 |
| DOI：10.12136/j.issn.1000-890X.2026.09.0663 |
| Key Words: butyl rubber；vulcanization capsule；processing performance；fatigue resistance；service life |
| Author Name | Affiliation | E-mail | | LI Lange | Shandong Chambroad Sinopoly New Material Co.， Ltd，Qingdao University of Science and Technology | lange.li@chambroad.com | | GAO Song* | Shandong Chambroad Sinopoly New Material Co.， Ltd | 59gaosong@163.com | | ZHANG Min | Shandong Chambroad Sinopoly New Material Co.， Ltd | | | WANG Haijiao | Shandong Chambroad Sinopoly New Material Co.， Ltd | | | LIU Xiao | Shandong Chambroad Sinopoly New Material Co.， Ltd | |
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| Abstract: |
| The properties of domestic butyl rubber（IIR） ZJ-09 and its application in vulcanization capsule was studied.The results showed that compared with imported IIR competitor，the Mooney viscosity，volatile matter content，calcium stearate content and unsaturation of IIR ZJ-09 were basically the same，but the weight average relative molecular weight was larger and the relative molecular weight distribution was wider.IIR ZJ-09 vulcanization capsule compound had lower Mooney viscosity，inferior viscosity and heat build-up under high shear stress，better processing performance，and at the same time had preferable fatigue resistance.The vulcanization capsule prepared using IIR ZJ-09 exhibited superior heat and oxygen aging resistance as well as fatigue resistance，while the service life significantly extended. |
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