| Effects of Biochemical Lignin on Properties of NR Composite |
| Received:September 22, 2017 Revised:September 22, 2017 |
| DOI： |
| Key Words: biochemical lignin；NR；carbon black；silica；composite；dynamic property |
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| Abstract: |
| The natural rubber/biochemical lignin（NR/BCL） composites were prepared via emulsion coprecipitation method，and the effects of BCL/carbon black（CB） and BCL/silica reinforcement systems on the properties of the composites were studied.The results showed that the optimum curing time of the compounds were both extended by adding BCL，the scorch time of NR/BCL/CB compound extended and the degree of vulcanization decreased，but the scorch time of NR/BCL/silica compound was shortened and the degree of vulcanization increased.By adding BCL，the storage modulus（G′） of NR/BCL/CB compound decreased，while the G′ of NR/BCL/silica compound increased，but it did not seriously impair the physical properties of the vulcanizates；the wet skid resistance of the composites was improved，but the rolling resistance increased |
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