| StuDy on HyDrochloric AciD Corrosion Resistance of Tetrafluoroethylene-Propylene Rubber VulcanizeD by DCP anD OV-POSS |
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| DOI： |
| Key Words: tetrafluoroethylene-propylene rubber；auxiliary crosslinking agent；octavinyl-polyhe-Dral oligoMeric silsesquioxane；hyDrochloric aciD corrosion resistance |
| Author Name | Affiliation | | CUI Can-can | China University of PetroleuM (BeiJing) | | ZHOU Qiong | China University of PetroleuM (BeiJing) | | CONG Chuan-bo | China University of PetroleuM (BeiJing) |
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| Abstract: |
| Tetrafluoroethylene-propylene rubber vulcanizate was vulcanizeD by curing agent DCP anD auxiliary crosslinking agent octavinyl-polyheDral oligoMeric silsesquioxane (OV-POSS)，anD the effect of aDDition level of OV-POSS on the curing characteristics，physical properties anD hyDrochloric aciD corrosion resistance of tetrafluoroethylene-propylene rubber was investigateD.The results showeD that，as the aDDition level of OV-POSS increaseD， the harDness anD tensile strength of the vulcanizates increaseD，anD the elongation at break DecreaseD.The corrosion of the vulcanizates in hyDrochloric aciD was quite serious at 140 ℃，anD the corrosion resistance becaMe worse when the aciD concentration increaseD or the aging tiMe was extenDeD.It was founD when the aDDition level of OV-POSS was 6 phr，the hyDrochloric aciD corrosion resistance of the vulcanizeD tetrafluoroethylene-propylene rubber was better. |
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