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Efficient thermo-oxidative reclamation of green tire rubber and silanized-silica/rubber interface characterization
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Ma, Lan, Zhai, Yinghao, Wan, Chaoying, Zhang, Zhen, Zhang, Chuanping and Wang, Shifeng (2022) Efficient thermo-oxidative reclamation of green tire rubber and silanized-silica/rubber interface characterization. Polymer Degradation and Stability, 196 . 109827. doi:10.1016/j.polymdegradstab.2022.109827 ISSN 0141-3910.
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WRAP-Efficient-thermo-oxidative-reclamation-green-tire-rubber-silanized-silica-interface-characterization-2022.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (1118Kb) | Preview |
Official URL: https://doi.org/10.1016/j.polymdegradstab.2022.109...
Abstract
A stepwise separation of reclaimed silanized silica (r-SS) from waste green tire rubbers was achieved using a thermo-oxidative reclamation process, and the interfacial interaction between silanized silica and rubber was quantified. The exfoliation of the residual and bound rubber from the r-SS surfaces under different temperatures ranging from 150 to 230 ℃ was investigated, with or without the addition of vegetable oil. The particle size of r-SS decreased from hundreds of micron-meters to nanometers with the increase of reclamation degree, i.e., the degree of devulcanization of vulcanized rubber, as quantified by the sol content, and the thickness of the bound rubber layer decreased to 4-6 nm at 230 ℃. This work provides a feasible solution for recycling of waste green tires, and also promote the understanding of the interfacial interactions between silanized silica and rubber by thermo-oxidative reclamation.
Item Type: | Journal Article | ||||||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) T Technology > TS Manufactures |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
SWORD Depositor: | Library Publications Router | ||||||||
Library of Congress Subject Headings (LCSH): | Silica -- Thermal properties, Rubber, Waste tires, Tires -- Research | ||||||||
Journal or Publication Title: | Polymer Degradation and Stability | ||||||||
Publisher: | Elsevier | ||||||||
ISSN: | 0141-3910 | ||||||||
Official Date: | February 2022 | ||||||||
Dates: |
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Volume: | 196 | ||||||||
Article Number: | 109827 | ||||||||
DOI: | 10.1016/j.polymdegradstab.2022.109827 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 13 January 2022 | ||||||||
Date of first compliant Open Access: | 10 January 2023 |
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