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| 煅烧陶土在三元乙丙橡胶电线电缆胶料中的应用 |
| Application of Calcined Clay in EPDM Wire and Cable Shield |
| Received:March 12, 2018 Revised:March 12, 2018 |
| DOI：10.12137/j.issn.2095-5448.2019.03.0168 |
| 中文关键词: 三元乙丙橡胶 煅烧陶土 电线电缆料 硅烷偶联剂 超细碳酸钙 |
| 英文关键词: EPDM calcined kaolin wire and cable shield silane coupling agent superfine calcium carbonate |
| 基金项目: |
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| 中文摘要: |
| 研究煅烧陶土在三元乙丙橡胶（EPDM）电线电缆胶料中的应用，考察了陶土粒径、陶土用量、硅烷偶联剂用量、填充剂种类对胶料硫化特性、力学性能、导热和导电性性能的影响。试验结果表明：填充100份粒径为8.5 μm的陶土时胶料的综合性能较好；在陶土填充胶料中配合使用少量硅烷偶联剂（用量为陶土的0.25%），可以在保证EPDM硫化胶良好的导电和导热性能的前提下进一步提高力学性能。陶土可以取代超细碳酸钙用于EPDM电线电缆料中，具有明显的性能优势。 |
| 英文摘要: |
| The application of calcined clay in EPDM wire and cable shield was studied.The effect of particle size and amount of calcined clay，the amount of silane coupling agent，and fillers types on the curing characteristics，mechanical properties，electrical conductivity and thermal conductivity of the compound were investigated.The results showed that，the formulation filled with 100 phr calcined clay with particle size of 8.5 μm showed better comprehensive performance.The addition of a small amount of silane coupling agent A-172 could further improve the mechanical properties and ensure good electrical conductivity and thermal conductivity of the vulcanizates.The optimum amount of silane coupling agent A-172 was 0.25% of the calcined clay.Due to its obvious performance advantages，the calcined clay could substituted the superfine calcium carbonate in EPDM wire and cable shield. |
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