Author： Ogawa Toshio Hongo Masahiko
Publisher： Taylor & Francis Ltd
ISSN： 1568-5616
Source： Journal of Adhesion Science and Technology, Vol.11, Iss.9, 1997-01, pp. : 1197-1209
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Abstract
We have studied the fracture mechanism and oil absorption in an oil-accommodating adhesive. Shear and T-peel tests were carried out for test pieces prepared from two steel plates bonded with the adhesive, which is mainly composed of epoxy resin, modified NBR, and inorganic powders. When the modified NBR content was varied from 3 to 25 wt%, both the shear and the T-peel strengths increased with the modified NBR content and levelled off at around 10 wt% modified NBR content. This behavior was coincident with that in the tear test by the samples prepared from cured adhesive. Therefore, fracture in the shear and T-peel tests is attributed to the tearing of cured adhesive. The oil absorbed in the non-cured adhesive bleeds out during curing. However, this oil can be stored in the grooves of steel plates.
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