| 蒙脱土/聚（衣康酸二异戊酯/异戊二烯）纳米复合材料的结构与性能研究 |
| Investigation on Structure and Property of Montmorillonite/Poly(Diisoamyl Itaconate-co-Isoprene) Nanocomposite |
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| DOI： |
| 中文关键词: 钠基蒙脱土 生物基合成橡胶 聚（衣康酸二异戊酯/异戊二烯） 纳米复合材料 物理性能 气密性能 |
| 英文关键词: sodium based montmorillonite bio-based synthetic rubber poly(diisoamyl itaconate-co-isoprene) nanocomposite physical property air tightness |
| 基金项目:国家自然科学基金委员会创新研究群体科学基金资助项目（51221002） |
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| 中文摘要: |
| 采用乳液共沉法制备钠基蒙脱土/生物基合成橡胶聚（衣康酸二异戊酯/异戊二烯）（简称康戊胶）纳米复合材料，并对复合材料的化学结构、微观结构、硫化特性、物理性能和气密性能进行研究。结果表明：含有极性酯基团的康戊胶与蒙脱土具有较好的相容性；当蒙脱土用量为5份时，蒙脱土/康戊胶纳米复合材料为剥离型；当蒙脱土用量大于5份时，复合材料为隔离型；随着蒙脱土用量的增大，复合材料的定伸应力和拉伸强度增大，气密性能先显著提高后趋于平稳。 |
| 英文摘要: |
| The sodium based montmorillonite/bio-based synthetic rubber poly(diisoamyl itaconate-co-isoprene) nanocomposites were prepared by latex co-coagulation method，and the chemical structure，microstructure， curing behavior，physical properties and air tightness of the nanocomposites were investigated.The results showed that the compatibility between poly(diisoamyl itaconate-co-isoprene) having polar ester groups and montmorillonite was good.When the addition level of montmorillonite was 5 phr，most of the montmorillonite in the nanocomposite was exfoliated.When the addition level of montmorillonite was over 10 phr，the nanocomposite had phase separated structure.As the addition level of montmorillonite increased，the modulus and tensile strength of the nanocomposites increased，and the air tightness was improved sharply at first and then became stable. |
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