| 超临界二氧化碳溶胀法氢化丁腈橡胶的制备与性能研究 |
| Preparation and Properties of HNBR by Supercritical CO2 Swelling Method |
| 投稿时间：2023-04-07 修订日期：2023-04-07 |
| DOI：10.12136/j.issn.1000-890X.2025.02.0083 |
| 中文关键词: 氢化丁腈橡胶 超临界二氧化碳 氢化度 弹性 耐油性能 |
| 英文关键词: HNBR supercritical carbon dioxide hydrogenation degree elasticity oil resistance |
| 基金项目:山东省自然科学基金资助项目（ZR2019MB001和ZR2018BEM014）；山东省泰山学者项目（ts201712047） |
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| 中文摘要: |
| 用超临界二氧化碳（scCO2）溶胀丁腈橡胶（NBR）胶乳后再氢化制备高性能氢化丁腈橡胶（HNBR）并研究其性能。结果表明：NBR胶乳在scCO2介质下溶胀可以使NBR乳液的粒径增大约20%，在质量分数0.02%的新型钌基催化剂下进行氢化反应，6 h内HNBR的氢化度可达到99%；scCO2溶胀氢化制备的HNBR的凝胶含量低，与主流进口HNBR相当；scCO2溶胀氢化NBR具有高选择性，其HNBR胶料的硫化特性、物理性能、耐热老化性能、耐油性能与主流进口HNBR胶料相当，弹性和耐油性能略优。 |
| 英文摘要: |
| High performance hydrogenated nitrile rubber （HNBR） was prepared by swelling nitrile rubber（NBR） latex with supercritical carbon dioxide （scCO2） and then hydrogenation，and its properties were studied.The results showed that the particle size of NBR latex could be increased by about 20% when the NBR latex was swelled in scCO2 medium，and the degree of hydrogenation of HNBR could reach 99% within 6 h under the new ruthenium based catalyst with 0.02% mass fraction.The gel content of HNBR prepared by scCO2 swelling hydrogenation was low，which was equivalent to the mainstream imported HNBR.ScCO2 swelling hydrogenated NBR had high selectivity，and the vulcanization characteristics，physical properties，hot aging resistance and oil resistance of the HNBR compound was comparable to mainstream imported HNBR compounds，and its elasticity and oil resistance was slightly better. |
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