| 吸酸剂水滑石对氯丁橡胶性能的影响 |
| Effect of Acid Absorbent Hydrotalcite on Properties of CR |
| 投稿时间：2021-05-10 修订日期：2021-05-10 |
| DOI：10.12136/j.issn.1000-890X.2022.05.0352 |
| 中文关键词: 氯丁橡胶 吸酸剂 水滑石 氧化镁 硫化特性 耐热老化性能 |
| 英文关键词: CR acid absorbent hydrotalcite magnesium oxide vulcanization characteristics thermal aging resistance |
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| 中文摘要: |
| 研究水滑石作为吸酸剂对氯丁橡胶（CR）性能的影响。结果表明，采用水滑石替代氧化镁后，CR胶料的焦烧时间延长，正硫化时间缩短，交联密度减小，硬度、300%定伸应力和拉伸强度降低，耐热空气老化性能、抗压缩永久变形性能、耐紫外线老化性能、耐水性能和耐屈挠疲劳性能提高。 |
| 英文摘要: |
| The effect of hydrotalcite as an acid absorbent on the properties of chloroprene rubber（CR）was studied. The results showed that，after replacing magnesium oxide with hydrotalcite in the CR compound，the scorch time of the CR compound was prolonged，the optimal vulcanization time was shortened，the crosslinking density was reduced，the hardness，tensile stress at 300% elongation and tensile strength decreased，while the hot air aging resistance，permanent compression resistance，UV aging resistance，water resistance and flexural fatigue resistance were improved. |
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