| Study on High Temperature Aging Resistance of Natural Latex Sponge |
| Received:February 02, 2021 Revised:February 02, 2021 |
| DOI：10.12136/j.issn.1000-890X.2021.11.0854 |
| Key Words: natural rubber latex；sponge；high temperature aging；aging behavior；micromorphology； color value；crosslinking density |
| Author Name | Affiliation | E-mail | | ZHONG Wenhan* | Zhejiang light industrial products inspection and research institute | 64427096@qq.com | | ZHANG Xiangyu | Zhejiang light industrial products inspection and research institute | | | XU Wen | Zhejiang light industrial products inspection and research institute | | | CHE Xihong | Zhejiang light industrial products inspection and research institute | | | CHEN Chen | College of Quality and Safety Engineering, China Jiliang University | |
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| Abstract: |
| 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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