| Properties of Irradiation Crosslinked NBR/ECO Blend |
| Received:December 14, 2021 Revised:December 14, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.06.0410 |
| Key Words: irradiation crosslinking；NBR；ECO；blend；radiation sensitizer；radiation dose；anti-aging system；crosslinking degree |
| Author Name | Affiliation | E-mail | | JIANG Pengfei* | CGN Advanced Materials Technology Co.，Ltd | jiang.pf@foxmail.com | | XU Hongyan | CGN Advanced Materials Technology Co.，Ltd | | | ZHANG Wenjing | CGN Advanced Materials Technology Co.，Ltd | | | WEN Dehao | CGN Advanced Materials Technology Co.，Ltd | |
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| Abstract: |
| The effects of the type and amount of radiation sensitizer on the properties of irradiation crosslinked nitrile rubber（NBR）/epichlorohydrin rubber（ECO） blend and the effects of anti-aging systems on the heat aging resistance of the blend were studied.The results showed that the crosslinking effect of radiation sensitizer TMPTMA on NBR/ECO blend was better than that of radiation sensitizer TAIC.With the increase of radiation dose，the crosslinking degree of the blend increased，the shore A hardness and tensile strength were improved，and the elongation at break was reduced.However，when the radiation dose was higher than 140 kGy，the crosslinking degree of the blend changed little.The heat aging resistance of the blend with antioxidant RD/NBC blend（blending ratio was 1/1）was the best. |
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