| Study on Anti-friction Mechanism of NBR Modified by Plasma Surface Fluorination |
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| DOI： |
| Key Words: plasma modification；surface fluorination；NBR；anti-friction |
| Author Name | Affiliation | | MI Tong | Beijing University of Chemical Technology | | LU Yonglai | Beijing University of Chemical Technology | | WANG Zhenhua | Beijing University of Chemical Technology | | GUAN Yue | Beijing University of Chemical Technology | | ZHANG Liqun | Beijing University of Chemical Technology |
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| Abstract: |
| The surface of NBR was fluorinated by plasma technology and using carbon tetrafluoride as the reaction gas to improve the anti-friction performance of rubber surface，and the anti-friction mechanism of the modified surface containing fluoride was discussed.The results showed that the surface of rubber was successfully fluorinated after plasma treatment，and the friction coefficient was reduced significantly compared with that of the unmodified sample.The plasma power was the key processing parameter influencing the anti-friction performance of modified sample.Improper modification power（either higher or lower） would result in low fluorine content on the surface of the sample.When the processing power was 140 W，the modified sample surface was smooth after friction test，the adhesion between the fluorinated layer and the NBR substrate was good，the fluoride was distributed uniformly，and the anti-friction effect was the best. |
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