| Effect of Cryptocrystalline Graphite/Carbon Black on Properties of Ethylene Acrylate Rubber |
| Received:May 31, 2017 Revised:May 31, 2017 |
| DOI： |
| Key Words: cryptocrystalline graphite；carbon black；ethylene acrylate rubber；physical property |
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| Abstract: |
| The effect of cryptocrystalline graphite/carbon black on the properties of ethylene acrylate rubber compounds were studied. The results showed that as the addition level of cryptocrystalline graphite and carbon black N550 increased，the Payne effect of the compound was enhanced，the elasticity modulus was increased，the hardness，modulus at 100% elongation and tear strength of the compound increased，and the elongation at break decreased. The tensile strength of the compound decreased with increasing of the addition level of cryptocrystalline graphite，and increased with increasing of the addition level of carbon black N550.The compression set of the compound increased with increasing of the addition level of cryptocrystalline graphite，and decreased at first and then increased with increasing of the addition level of carbon black N550. As the additon level of cryptocrystalline graphite and carbon black N550 was 5～10 phr and 40～50 phr respectively，the Shore A hardness of the compound was greater than 70 degree，the tensile strength was greater than 16 MPa，the elongation at break was greater than 250%，the tear strength was greater than 27 kN·m-1，and the compression set was less than 20%. |
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