| 炭黑填充硫化胶的补强指数及影响因素研究 |
| Study on Reinforcing Indexes of Vulcanizates Filled with Carbon Black |
| 投稿时间：2023-02-24 修订日期：2023-02-24 |
| DOI：10.12136/j.issn.1000-890X.2024.07.0494 |
| 中文关键词: 炭黑 硫化胶 补强指数 定伸应力 炭黑-橡胶相互作用 分散性 |
| 英文关键词: carbon black vulcanizate reinforcing index stress at given elongation carbon black-rubber interaction dispersion |
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| 中文摘要: |
| 研究炭黑的比表面积、结构和分散性对硫化胶补强指数[300%定伸应力与100%定伸应力的比值（M300/M100）]的影响。结果表明：相同结构炭黑的比表面积越大，硫化胶的M300/M100越大；相同比表面积炭黑的结构越低，硫化胶的M300/M100越大；同一炭黑，分散越好，硫化胶的M300/M100越大。当使用M300/M100考核炭黑-橡胶相互作用时，必须在炭黑具有相同的比表面积、结构和分散状态的前提下进行；炭黑填充硫化胶虽然可用反相气相色谱和结合胶含量来表征炭黑-橡胶的相互作用，但M300/M100简单易得，可在有限条件下使用。 |
| 英文摘要: |
| Study on reinforcing indexes [ratio of 300% elongation stress to 100% elongation stress（M300/M100）] of vulcanizates filled with carbon black with different specific surface area，structure，and dispersibility carbon black.The results showed that the larger the specific surface area of carbon black with the same structure，the larger the M300/M100 of the vulcanizate；The lower the structure of carbon black with the same specific surface area，the larger the M300/M100 of the vulcanized rubber；The better the dispersion of the same carbon black，the larger the M300/M100 of the vulcanizate.When used M300/M100 to evaluate the interaction between carbon black and rubber，it must be carried out under the premise that carbon black had the same specific surface area，structure，and dispersion state；Although the interaction between carbon black and rubber could be characterized by reverse phase gas chromatography and binding rubber content，M300/M100 was simple and easy to obtain，and could be used under limited conditions. |
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