| 侯 波,庞 松,汪海峰,朱玉源,曹嘉倛,田安伟.天然橡胶硫化程度对蘑菇钉耐拔脱性能的影响[J].橡胶科技,2024,22(8):0443-0446. |
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| 天然橡胶硫化程度对蘑菇钉耐拔脱性能的影响 |
| Effect of Vulcanization Degree of NR on Pull-out Resistance of Mushroom Nails |
| 投稿时间：2023-03-21 修订日期：2023-03-21 |
| DOI：10.12137/j.issn.2095-5448.2024.08.0443 |
| 中文关键词: 蘑菇钉 天然橡胶 硫化程度 金属铝针 拔脱力 |
| 英文关键词: mushroom nail NR vulcanization degree metal aluminum needle pull-out force |
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| 中文摘要: |
| 研究天然橡胶（NR）胶料硫化程度对蘑菇钉耐拔脱性能的影响。结果表明：老化前，当延长硫化时间增大NR胶料硫化程度后，蘑菇钉的拔脱力先增大后减小，硫化程度最低的蘑菇钉拔脱力最小；老化168，336，504 h后，蘑菇钉的拔脱力先增大后减小，其中NR胶料硫化程度为75%的蘑菇钉拔脱力最大；在老化504 h后，NR胶料硫化程度为75%的蘑菇钉金属针拔脱表面附胶率仍为100%，表明其具有最佳的耐拔脱性能、较长的使用寿命。 |
| 英文摘要: |
| The effect of the vulcanization degree of natural rubber（NR） compound on the pull-out resistance of mushroom nails was studied.The results showed that before aging，when the vulcanization time was extended and the vulcanization degree was increased，the pull-out force of mushroom nails first increased and then decreased，and the mushroom nails with lowest vulcanization degree had the smallest pull-out force.After aging for 168，336，504 h，the pull-out force of mushroom nails first increased and then decreased.Among them，the mushroom nail with vulcanization degree of NR compound of 75% had the highest pull-out force.After aging for 504 h，the surface adhesion rate of mushroom nail metal needle with vulcanization degree of NR compound of 75% still was 100%，indicating that it had the best pull-out resistance and the longest service life. |
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