| 天然胶乳海绵的耐高温老化性能研究 |
| Study on High Temperature Aging Resistance of Natural Latex Sponge |
| 投稿时间：2021-02-02 修订日期：2021-02-02 |
| DOI：10.12136/j.issn.1000-890X.2021.11.0854 |
| 中文关键词: 天然胶乳 海绵 高温老化 老化行为 微观形貌 色值 交联密度 |
| 英文关键词: natural rubber latex sponge high temperature aging aging behavior micromorphology color value crosslinking density |
| 基金项目:浙江省市场监督管理局科研计划项目（20190117） |
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| 中文摘要: |
| 将天然胶乳海绵材料在100 ℃高温下进行加速老化试验，研究其老化行为。结果表明：随着老化时间的延长，天然胶乳海绵的多孔结构被破坏，且破坏程度逐渐提高，前期的老化速率大于后期的老化速率；老化过程中，天然胶乳海绵出现发黄、发黑现象，色值出现明显变化，交联密度随老化时间的延长而增大。 |
| 英文摘要: |
| The aging behavior of natural rubber latex sponge was studied by accelerated aging test at
100℃. The results showed that with the extension of the aging time，the porous structure of the natural rubber
latex sponge was damaged，the damage degree increased gradually，and the aging rate in the early stage was
higher than that in the later stage. During the aging process，the natural rubber latex sponge appeared yellow
and black，the color value changed obviously，and the crosslinking density increased with the aging time. |
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