| 张清玉,李遵陕.钠基蒙脱土对工程机械轮胎胎面胶性能的影响[J].橡胶科技,2021,19(1):0024-0027. |
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| 钠基蒙脱土对工程机械轮胎胎面胶性能的影响 |
| Effect of Sodium Montmorillonite on Properties of Tread Compound of OTR Tire |
| 投稿时间：2020-09-03 修订日期：2020-09-03 |
| DOI：10.12137/j.issn.2095-5448.2021.01.0024 |
| 中文关键词: 钠基蒙脱土 天然橡胶 工程机械轮胎 物理性能 耐磨性能 |
| 英文关键词: sodium montmorillonite natural rubber OTR tire physical property wear resistance |
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| 中文摘要: |
| 研究钠基蒙脱土对工程机械轮胎胎面胶性能的影响。结果表明：采用乳液共沉法制备钠基蒙脱土/天然橡胶纳米复合母胶，钠基蒙脱土在橡胶基体中分散均匀；与未添加钠基蒙脱土的胶料相比，加入少量钠基蒙脱土的胶料FL变化不大，Fmax提高，ts1，t10，t90缩短，硫化速率提高，硬度、定伸应力、拉伸强度、撕裂强度和耐热老化性能提高，磨耗量明显减小；以4份钠基蒙脱土等量替代炭黑，胶料的磨耗量减小33.8%，综合性能较好。 |
| 英文摘要: |
| The effect of sodium montmorillonite on the properties of tread compound of OTR tire was studied.The results showed that sodium montmorillonite/natural rubber nano composite masterbatch was prepared by emulsion coprecipitation method，and sodium montmorillonite was dispersed evenly in the rubber matrix.Compared with the compound without sodium montmorillonite，the FL of compound with a small amount of sodium montmorillonite changed little，Fmax increased，ts1，t10，t90 were shortened，the curing rate increased，and the hardness，modulus，tensile strength，tear strength and heat aging resistance of the vulcanizate were improved.The abrasion loss of vulcanizate decreased by 33.8% when carbon black was replaced by 4 phr sodium montmorillonite，and its comprehensive property was better. |
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