| Properties of ECO/NBR Blends |
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| DOI： |
| Key Words: ECO；NBR；blend；aceelerator NA-22 |
| Author Name | Affiliation | | Meng Xiande | Qingdao Institute of Chemical Technology | | Zuo Xiaoqing | Qingdao Institute of Chemical Technology | | Liu Yuzhen | Qingdao Institute of Chemical Technology | | Han Ludong | Qingdao Institute of Chemical Technology | | Zhu Mingjie | Qingdao Institute of Chemical Technology | | Rong Junshi | Shengli Oil Field Rubber Factory |
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| Abstract: |
| The effects of the blending ratio of polymers and the arnounts of accelerator NA-22，reinforeing agent and softner on the properties of epiehlorohydrin-ethylene oxide copolymer(ECO)/nitrilebutadiene rubber(NBR) blend were studied.The result showed that with the inerease of the content of ECO the low temperature resistanee，the thermooxidative aging resistance and the tetraehloromethane or chloroformre sistance of the blend improved signifieantly，but the tensile strength deereased:the maximal tensile strength and tear strength of the ECO/NBR(60/40) blend were obtained when 1.5 phr of aeeeleratorNA-22 and 60 phr semi-reinforeing furnace blaek were used.When the liquid NBR was used as softner，the low temperature resistanee，resilieney.tear strength.elongation at break and oi1 resistance of the blend improved，but the thermooxidative aging resistance and the tetraehloromethane or chloroform resistance deereased. |
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