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| 橡胶加工分析仪表征天然橡胶相对分子质量的研究 |
| Study on Characterization of Molecular Weight of NR by RPA |
| Received:February 20, 2020 Revised:February 20, 2020 |
| DOI：10.12135/j.issn.1006-8171.2021.01.0055 |
| 中文关键词: 橡胶加工分析仪；天然橡胶；顺丁橡胶；相对分子质量；弹性模量；粘性模量 |
| 英文关键词: RPA；NR；BR；molecular weight；elastic modulus；viscous modulus |
| 基金项目: |
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| Author Name | Affiliation | E-mail | | REN Huiming* | Zhongce Rubber Group CO..Ltd, | 346073153@qq.com | | CHEN Sheng | Zhongce Rubber Group CO..Ltd, | | | WANG Danling | Zhongce Rubber Group CO..Ltd, | | | REN Fujun | Zhongce Rubber Group CO..Ltd, | |
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| 中文摘要: |
| 研究橡胶加工分析仪（RPA）表征天然橡胶（NR）的相对分子质量。结果表明：通过RPA测定的NR的弹性模量-频率曲线与粘性模量-频率曲线交点可以计算NR的相对分子质量；该方法表征NR的相对分子质量简便、准确，且与凝胶渗透色谱仪测定结果有很好的一致性。 |
| 英文摘要: |
| The characterization of molecular weight of natural rubber（NR） by rubber processing analyzer（RPA） was studied.The results showed that the intersection of the elastic modulus-frequency curve and the viscous modulus-frequency curve of NR measured by the RPA could calculate the molecular weight of NR.This method was simple and accurate for characterization the molecular weight of NR，and its results was consistent with the results of gel permeation chromatography. |
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