Plasticiser transportation studies in NR and acrylonitrile-butadiene rubber 1. Diffusion coefficient and equilibrium uptake of TBEP in NBR vulcanisates
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TextPublication details: Journal of Rubber Research 2004Description: 219-237Subject(s): Summary: The diffusion coefficients (D) of tributoxyethylphosphate in gum, white- and black-filled vulcanisates of acrylonitrile-butadiene rubber (NBR) determined by means of mass uptake measurements were observed to decrease as crosslink density increases. As filler level increases for black-filled vulcanisates of NBR at fixed sulphur and accelerator levels, D was observed to continuously decrease. D, on the other hand, was found to increase as filler level increases in white-filled vulcanisates of NBR at fixed sulphur and accelerator levels. These observations are explained in terms of degree of rubber-filled interaction.
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RRII Library Rubber chemistry | Volume 7, Issue 4 | Journals |
The diffusion coefficients (D) of tributoxyethylphosphate in gum, white- and black-filled vulcanisates of acrylonitrile-butadiene rubber (NBR) determined by means of mass uptake measurements were observed to decrease as crosslink density increases. As filler level increases for black-filled vulcanisates of NBR at fixed sulphur and accelerator levels, D was observed to continuously decrease. D, on the other hand, was found to increase as filler level increases in white-filled vulcanisates of NBR at fixed sulphur and accelerator levels. These observations are explained in terms of degree of rubber-filled interaction.
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