Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber
Styrene butadiene rubber(SBR) consists of two random polymerization units, styrene and butadiene. As a rigid segment, styrene chain provides strength and rigidity to the rubber. The content of styrene in SBR directly affects its strength and stiffness. In this paper, the effect of styrene content on...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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IOP Publishing
2020-01-01
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| Series: | Materials Research Express |
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| Online Access: | https://doi.org/10.1088/2053-1591/abd2f4 |
| _version_ | 1797746844719120384 |
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| author | Li’e Wang Zhu Luo Le Yang Hai Wang Jincheng Zhong |
| author_facet | Li’e Wang Zhu Luo Le Yang Hai Wang Jincheng Zhong |
| author_sort | Li’e Wang |
| collection | DOAJ |
| description | Styrene butadiene rubber(SBR) consists of two random polymerization units, styrene and butadiene. As a rigid segment, styrene chain provides strength and rigidity to the rubber. The content of styrene in SBR directly affects its strength and stiffness. In this paper, the effect of styrene content on the fatigue characteristics and rheological properties of SBR have been investigated. The stress relaxation of SBR was reduced and the cross-linking density of butadiene was increased with the increasing styrene content. Especially the dynamic fatigue life of precracked SBR samples was obviously prolonged via slow down crack growth rate when the styrene content increased, which was accompanied by an augment in the value of J-integral and tearing energy in the case of a same gap extension length. At the initial stage of crack growth, the growth of secondary crack played an important role in the growth of main crack, and when the main crack accelerates, the growth of main crack itself dominated. On the other hand, the glass transition temperature obviously increased with the increase of styrene content. |
| first_indexed | 2024-03-12T15:43:35Z |
| format | Article |
| id | doaj.art-e28703417a4d4c20948327756d2108f2 |
| institution | Directory Open Access Journal |
| issn | 2053-1591 |
| language | English |
| last_indexed | 2024-03-12T15:43:35Z |
| publishDate | 2020-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Materials Research Express |
| spelling | doaj.art-e28703417a4d4c20948327756d2108f22023-08-09T15:53:32ZengIOP PublishingMaterials Research Express2053-15912020-01-018101530210.1088/2053-1591/abd2f4Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubberLi’e Wang0Zhu Luo1https://orcid.org/0000-0001-8848-9354Le Yang2Hai Wang3Jincheng Zhong4Guizhou Rubber Engineering Laboratory, College of Materials and Metallurgy, Guizhou University , Guiyang, People’s Republic of ChinaGuizhou Rubber Engineering Laboratory, College of Materials and Metallurgy, Guizhou University , Guiyang, People’s Republic of ChinaGuizhou Rubber Engineering Laboratory, College of Materials and Metallurgy, Guizhou University , Guiyang, People’s Republic of ChinaGuizhou Tire Co. Ltd, Guiyang, People’s Republic of ChinaGuizhou Rubber Engineering Laboratory, College of Materials and Metallurgy, Guizhou University , Guiyang, People’s Republic of ChinaStyrene butadiene rubber(SBR) consists of two random polymerization units, styrene and butadiene. As a rigid segment, styrene chain provides strength and rigidity to the rubber. The content of styrene in SBR directly affects its strength and stiffness. In this paper, the effect of styrene content on the fatigue characteristics and rheological properties of SBR have been investigated. The stress relaxation of SBR was reduced and the cross-linking density of butadiene was increased with the increasing styrene content. Especially the dynamic fatigue life of precracked SBR samples was obviously prolonged via slow down crack growth rate when the styrene content increased, which was accompanied by an augment in the value of J-integral and tearing energy in the case of a same gap extension length. At the initial stage of crack growth, the growth of secondary crack played an important role in the growth of main crack, and when the main crack accelerates, the growth of main crack itself dominated. On the other hand, the glass transition temperature obviously increased with the increase of styrene content.https://doi.org/10.1088/2053-1591/abd2f4styrene butadiene rubberstyrene contenttearing energycrack growth |
| spellingShingle | Li’e Wang Zhu Luo Le Yang Hai Wang Jincheng Zhong Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber Materials Research Express styrene butadiene rubber styrene content tearing energy crack growth |
| title | Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber |
| title_full | Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber |
| title_fullStr | Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber |
| title_full_unstemmed | Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber |
| title_short | Effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber |
| title_sort | effect of styrene content on mechanical and rheological behavior of styrene butadiene rubber |
| topic | styrene butadiene rubber styrene content tearing energy crack growth |
| url | https://doi.org/10.1088/2053-1591/abd2f4 |
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