| Comparison of Testing Methods for Polymer Contents of EPDM Particles Used in Sport Grounds |
| Received:July 12, 2024 Revised:August 01, 2024 |
| DOI：10.12136/j.issn.1000-890X.2026.07.0542 |
| Key Words: synthetic material sport ground；EPDM particle；polymer content；TG method；solvent extraction method；combination testing method |
| Author Name | Affiliation | E-mail | | SHEN Libin | 中国建筑科学研究院有限公司（国家化学建筑材料测试中心（建工测试部）） | zjuslb@126.com | | FAN Junlei | 中国建筑科学研究院有限公司 | | | CHEN Jing | 中国建筑科学研究院有限公司（国家化学建筑材料测试中心（建工测试部）） | | | ZHANG Yun | 中国建筑科学研究院有限公司 | | | WANG Liansheng* | 中国建筑科学研究院有限公司(国家化学建筑材料测试中心（建工测试部）) | wls1032@163.com |
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| Abstract: |
| For 10 samples of ethylene propylene diene monomer rubber（EPDM） particle used in sport grounds，the organic contents were tested according to GB/T 14837.1—2014 and GB/T 14837.2—2014 thermogravimetric（TG） methods（referred to as TG1 method and TG2 method respectively），the solvent extraction contents were tested according to GB/T 3516—2006 solvent extraction A method and solvent extraction B method（referred to as extraction A method and B method respectively），and the polymer contents were tested using four combination testing methods.The results showed that compared to TG2 method，TG1 method ensured complete decomposition of EPDM in EPDM particle and effectively avoided interference from other components in EPDM particles.Compared to extraction A method，extraction B method not only demonstrated higher efficiency and thorough extraction，but also had a certain possibility of discovering sample abnormalities.When testing the polymer content of EPDM particles，the combination testing method of TG1 method and extraction B method was found to be the optimal choice. |
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