| Properties of Modified Kaolin/Carbon Black Reinforced Compound |
| Received:January 10, 2022 Revised:January 10, 2022 |
| DOI：10.12136/j.issn.1000-890X.2023.06.0410 |
| Key Words: kaolin；coupling agent；modification；carbon black；reinforcement；rolling resistance |
| Author Name | Affiliation | E-mail | | Yang Mengjie | 1.Guangdong University of Petroleum Technology；2.Maoming Huanxing New Materials Co, Ltd. | shibosut@163.com | | Yu Benyi | Maoming Huanxing New Materials Co, Ltd. | | | CHEN Renshun | Guangdong University of Petroleum Technology | | | LI Zhenchang | Maoming Huanxing New Materials Co, Ltd. | | | SHI Bo* | Guangdong University of Petroleum Technology | shibosut@163.com |
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| Abstract: |
| In this work，the modification of kaolin by couple agents and the influence of the modified
kaolin on the properties of carbon black filled compound were investigated from three aspects: type of
coupling agent，amount of coupling agent，and modification method. The results showed that the modified
kaolin with silane coupling agent KH550 was suitable for compound reinforcement. The coupling agent
reacted with the surface hydroxyl group of the kaolin to form alkyl compounds，and the modified kaolin could
provide good reinforcing effect for the compound. Compared with dry modification method，wet ball milling
modification could refine the kaolin powders effectively. The addition of the modified kaolin reduced the
effect of carbon black on the heat build-up of the compound. Moreover，the tensile strength and elongation at
break of the compound were enhanced，and the rolling resistance was reduced. |
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