| Characterization of crosslinked rubber properties with Low-Field NMR |
| Received:October 24, 2015 Revised:October 24, 2015 |
| DOI： |
| Key Words: LF-NMR; rubber; crosslinking density; mechanical properties |
| Author Name | Affiliation | E-mail | | jiang ji feng* | Shanghai Tire and Rubber Co. Ltd. The Research Institute of Tire | career_jiang@163.com | | gu qin | 上海轮胎橡胶集团股份有限公司轮胎研究所 | | | sun lin | 上海轮胎橡胶集团股份有限公司轮胎研究所 | | | zhu chang jin | 上海轮胎橡胶集团股份有限公司轮胎研究所 | |
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| Abstract: |
| In this paper, relationships of molecular mass between network joints tested by Low-field NMR and spin-spin relaxation time T2of the rubber system were discussed, the testing temperature range was determined. The crosslinking density of nature rubber with a series of sulfur contents were examined by LF-NMR, the results turns out to be in good agreement with normal swelling method data. The trend of technical properties with increasing crosslinking densities were also analyzed. |
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