| Silane Grafting and Crosslinking of NR |
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| DOI： |
| Key Words: NR；vinyl functional silane；grafting；hot water crosslinking |
| Author Name | Affiliation | | DUAN Jingkuan | Ningbo University of Technology；East China University of Science and Technology | | JIANG Lan | Ningbo University of Technology | | LI Ya | Ningbo University of Technology | | SHAO Shuangxi | Ningbo University of Technology | | LIU Baiping | East China University of Science and Technology |
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| Abstract: |
| The silane grafted and hot water crosslinked natural rubber （NR-g-silane） was prepared by melt blending，and using benzoyl peroxide（BPO） as the initiator，vinyl functional silane as the grafting monomer.The effects of contents of silane and BPO，grafting and crosslinking conditions on the swelling ratio of NR-g-sliane were investigated，and the influence of gel content on the properties of NR-g-silane was studied.The results showed that，the swelling ratio of NR-g-silane increased as the contents of silane and BPO increased，the crosslinking temperature increased，the crosslinking time was extended，or the thickness of the sample increased.When the grafting temperature increased or the grafting time was prolonged，the swelling ratio decreased first，and then increased.The results also showed that，when the gel content increased，the Shore A hardness of NR-g-silane increased and thermal stability was improved. |
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