Friction of rubber lubricated by aqueous solutions of different acidity/alkalinity
1994
Richards, S. C. | Roberts, A. D.
Measurements made of water lubricated friction of vulcanised rubber sliding against glass, and against itself, show that the level of friction is sensitive to the acidity/alkalinity of the water. The friction of natural rubber was+ markedly less at pH values greater than nine. The effect is believed to be due to the presence of the non-rubbers in natural rubber; evidence points to the fatty acids as being the ‘active’ component. The effect is not observed for synthetic + polyisoprene. The results have a bearing upon the action of water lubricated rubber articles.
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