| Influence of Black Type and Loading Level on Properties of NBR/CHR Blend |
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| DOI： |
| Key Words: carbon black；NBR；CHR；blend |
| Author Name | Affiliation | | Liu Yuzhen | Qingdao Institute of Chemical Technology | | Wu Tao | Qingdao Research Institute of Rubber Industry |
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| Abstract: |
| The influence of some carbon blacks，such as N660，N630，N762，semi-reinforcing gas black and jet black and their loading level on the properties of NBR/CHR blend was investigated. The results showed that the processibility of blend was satisfactory with the loading level of said carbon blacks up to 80 phr；the carbon tetrachloride resistance，the compression set and heat build-up and the hardness of the blend increased，but the elongation at break and the relience decreased as the loading level of blacks increased；the tensile strength didn't decrease untill the loading level of blacks increased up to 60 phr；the tear strength didn't decrease either untill the loading level of blacks increased to different points depending upon the types of blacks. |
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