| Improvement of Properties of Rubber Compounds and Rubber Additives by Green Chemical Wet Mixing of Modified Lignin |
| Received:June 15, 2021 Revised:June 15, 2021 |
| DOI：10.12136/j.issn.1000-890X.2021.12.0883 |
| Key Words: straw；lignin；compatibility；modification；chemical wet mixing；bio-rubber；bio-based rubber additive |
| Author Name | Affiliation | E-mail | | LI Bin* | 1.Qingdao Institute of Bioenergy and Bioprocess Technology，Chinses Academy of Sciences；2.Qingdao Zhongke H&S New Materials Co.，Ltd；3. Industrial Technology Research Institute of Laixi | libin@qibebt.ac.cn | | LIU Chao | 1.中国科学院青岛生物能源与过程研究所；2.青岛中科和源新材料有限公司；3.莱西市产业技术研究院 高性能橡胶材料工程技术研究中心/生物质高效绿色转化与功能材料研究中心 | | | CHEN Junfeng | 1.Qingdao Institute of Bioenergy and Bioprocess Technology，Chinses Academy of Sciences；2. Qingdao Zhongke H&S New Materials Co.，Ltd；3. Industrial Technology Research Institute of Laixi | |
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| Abstract: |
| The lignin separated from straw was further modified by methylation and compatibility，and then
the effect of green chemical wet mixing of the modified lignin on the properties of rubber compounds and rubber
additives was investigated. The results showed that the adhesion property，wear resistance and aging resistance of
the tire compound based on the bio-rubber prepared by green chemical wet mixing process with the addition of
the modified lignin were improved. The properties of tire compounds were improved using the bio-based carbon
black masterbatch，bio-based silica masterbatch and bio-based carbon nanotube masterbatch，respectively，which
were prepared by the green chemical wet mixing process with the modified lignin. Lingin modified zinc oxide and
cobalt decanoate could replace unmodified zinc oxide and cobalt decanoate in tire compounds in the same amount，
respectively，leading to the reduction of the addition level of zinc oxide and cobalt decanoate，the improvement of
the quality and the decreasing of the cost of the tire compounds. This technology was beneficial to improving the
performance of domestic natural rubber and realizing the high-value utilization of straw. |
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