| Study on Compression Set of NBR at Elevated Temperature |
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| DOI： |
| Key Words: NBR N41；compression set；quartz powder；EV system |
| Author Name | Affiliation | | Liu Yuzhen | Qingdao Institute of Chemical Technology | | Guo Yong | Qingdao Institute of Chemical Technology | | Li Zhenming | Qingdao Institute of Chemical Technology | | Xiao Jianbin | Qingdao Institute of Chemical Technology |
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| Abstract: |
| The influence of different curing systems and inorganic fillers on the compression set of NBR N41 at 100 ℃ was studied. The results showed that DTDM EV system was the most effective in terms of the minimum compression set of the vulcanizate；DCP was more effective；CZ EV system was poor；and sulfur curing system was the most poor. Among the inorganic fillers, the quartz filler was the most favourable to the minimum compression set of the vulcanizate, and the compression set would change little with the increase of the quartz filler level；the other favourable inorganic filler were put in the order of iron oxide red ,super-fine calcium carbonate and silica 233N and 255N. |
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