| Study on Chlorination Modification of NR Vulcanizate with Trichloroisocyanuric Acid |
| Received:October 28, 2021 Revised:October 28, 2021 |
| DOI：10.12136/j.issn.1000-890X.2023.03.0177 |
| Key Words: NR；vulcanizate；TCCA；surface modification；chlorination modification；chlorination time；peel strength |
| Author Name | Affiliation | E-mail | | Dou Wenjing | Qingdao University of Science and Technology | douwenjing1216@163.com | | Guo Xinxia | Qingdao University of Science and Technology | | | Gu Yao* | Qingdao University of Science and Technology | guyao2551@hotmail.com | | XUE Meiling | Qingdao University of Science and Technology | |
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| Abstract: |
| An aqueous chlorination solution of trichloroisocyanuric acid（TCCA） was prepared and
used to modify natural rubber（NR） vulcanizate surface，and the effect of chlorination time on the surface
modification was studied.The results showed that with the extension of chlorination time，the migration
amount of paraffin in NR vulcanizate to the surface decreased，the atomic ratio of Cl and N on NR vulcanizate
surface and the peeling strength of NR vulcanizate increased at first and then decreased，the microcracks
on NR vulcanizate surface increased and the crack edge was more uneven.When the chlorination time was
6 min，the atomic ratio of Cl and N on NR vulcanizate surface and the peeling strength of NR vulcanizate
reached the maximum values, respectively. |
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