| Effect of Acid Absorbent Hydrotalcite on Properties of CR |
| Received:May 10, 2021 Revised:May 10, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.05.0352 |
| Key Words: CR；acid absorbent；hydrotalcite；magnesium oxide；vulcanization characteristics；thermal aging resistance |
| Author Name | Affiliation | E-mail | | CAO Jiangyong* | Qingdao Borui Zhiyuan Anti-vibration Technology Co. ，Ltd | 824239418@qq.com | | LIU Zhiguo | Qingdao Borui Zhiyuan Anti-vibration Technology Co. ，Ltd | | | WAN Jijun | Qingdao Borui Zhiyuan Anti-vibration Technology Co. ，Ltd | | | WANG Shudong | Qingdao Borui Zhiyuan Anti-vibration Technology Co. ，Ltd | | | LIU Jinpeng | Qingdao Borui Zhiyuan Anti-vibration Technology Co. ，Ltd | |
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| Abstract: |
| 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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