| Application of New Nano Carbon Materials in IIR Inner Tube Compound |
| Received:August 04, 2022 Revised:August 04, 2022 |
| DOI：10.12136/j.issn.1000-890X.2022.10.0754 |
| Key Words: new nano carbon material；carbon black N660；IIR；inner tube；gas barrier property；production cost |
| Author Name | Affiliation | E-mail | | XIE Jiazhen* | South Graphite Research Institute（Hunan） Co.，Ltd | 13501158301@163.com | | XIE Shengwu | South Graphite Research Institute（Hunan） Co.，Ltd | |
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| Abstract: |
| The application of new nano carbon materials SG6 and G65 to replace carbon black N660
in isobutene-isoprene rubber（IIR） inner tube compound was studied.The results showed that the Mooney
viscosity of IIR compound with carbon black N660/new nano carbon material blend（total amount was 70
phr） decreased，the processability was improved，and the overall curing speed was the same.The physical
properties of the IIR vulcanizates with carbon black N660/SG6 blends（the blending ratios were 35/35 and
10/60） could meet the performance requirements of the inner tube product，and the permeability was reduced
by more than 20%.Replacing all carbon black N660 with 70 phr G65 or 80 phr G65 in the IIR inner tube
compound，the physical property and gas barrier property of the compounds met requirements of the inner tube
products.The application of the new nanocarbon materials could effectively reduce the production cost of IIR
inner tubes since their price was at least 20% lower than that of carbon black. |
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