Wpływ absorpcji oleju silnikowego na właściwości dynamiczne wulkanizatów mieszanin kauczuku naturalnego z butadienowo-akrylonitrylowym

C. Dębek; J. Magryta

Published : 2010-03-30

Vol. 55 No. 3 (2010)

Influence of oil adsorption on the dynamic properties of vulcanates of natural rubber and natural rubber/butadiene-acrylonitrile mixtures

C. Dębek J. Magryta

Abstract

The influence of engine oil absorption on the dynamic properties of NR, NBR and their mixtures containing 50 or 75phr of NBR modified various amounts of carbon black as filler has been investigated. It was determined that a slight absorption of oil by the NBR vulcanizates leads to an increase in the space phase angles but a decrease in the value of the module G*. A high degree of absorption of oil observed in the case of NR vulcanizates results however in a significant decrease in the δ angle as well as the G* module. The dynamic properties of the NR/NBR mixture vulcanizates did not constitute a combination, but differ in a crucial manner from the properties of the individual vulcanizates. The influence of oil absorption on the properties the tested vulcanizates depends on both the filler (carbon black) as well as the NBR content in the system. However, in the case of the 25/75 NR/NBR vulcanizates with 50phr of the filling carbon black, a change in the values of space phase angle and group module was not observed.

Keywords

kauczuk naturalny ; kauczuk butadienowo-akrylonitrylowy ; mieszaniny kauczuków ; absorpcja oleju ; sadza ; właściwości dynamiczne natural rubber ; butadiene-acrylonitrile rubber ; rubber mixtures ; carbon black ; dynamic properties

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Dębek, C., & Magryta, J. (2010). Influence of oil adsorption on the dynamic properties of vulcanates of natural rubber and natural rubber/butadiene-acrylonitrile mixtures. Polimery, 55(3), 201–207. Retrieved from https://polimery.ichp.vot.pl/index.php/p/article/view/1002

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