| BIIR reinforced with hydroxymethylated lignin |
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| DOI： |
| Key Words: lignin；hydroxymethylation；BIIR；reinforcement |
| Author Name | Affiliation | | YANG Jun | South China University of Technology | | WANG Dizhen | South China University of Technology | | LUO Dongshan | South China University of Technology |
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| Abstract: |
| The reinforcement of hydroxymethylated lignin on BIIR was investigated. The results showed that the reinforcing effect of lignin on BIIR was significantly strengthened by hydroxylation；the physical properties of vulcanizate were improved when 100 g of lignin was hy droxymethylated with 0.15 mol of formaldehyde，the hydroxylated lignin was wetted with 125% water and then dynamically treated at 100 ℃ during mixing. It was found by FT-IR that the hydroxymethy lated lignin molecule was grafted on the molecular chain of BIIR. The best physical properties of vulcanizate were obtained when 50 phr of hydroxymethy lated lignin was used. |
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