| Study on Lignin-Phenol-Formaldehyde/SBR Composites |
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| DOI： |
| Key Words: lignin-phenol-formaldehyde；SBR；composite；physical property；thermal stability |
| Author Name | Affiliation | | XU Jianshuang | Hunan Normal University | | TAN Yating | Hunan Normal University | | LIU Tao | Hunan Normal University | | WANG Xi | Hunan Normal University | | SU Shengpei | Hunan Normal University |
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| Abstract: |
| In this paper，the lignin-phenol-formaldehyde （LPF） was synthesized and the LPF/SBR composites were prepared.The morphology，physical properties and thermal stability of LPF/SBR composites were investigated.The experimental results showed the phase separated structure in the LPF/SBR composites.When the addition level of LPF（lignin/phenol blend ratio at 30/70） was more than 25 phr，SBR and LPF were penetrated with each other，and an interpenetrating network structure was formed.The addition of LPF improved the physical properties of composites，and when the lignin/phenol blend ratio was 30/70，and addition level of LPF was 25 phr，the comprehensive properties of composite were the best.The thermal stability of the composites was evaluated by thermogravimetric analysis.Compared with SBR vulcanizate，the temperature with 5% mass loss rate of the composites decreased，the temperature with 50% mass loss rate of the composites increased，and the final mass residue increased. |
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