Assessment of adhesion in natural rubber-aluminium powder composites by equilibrium swelling in aliphatic solvents

Equilibrium swelling was tried as a means to measure the adhesion between natural rubber (NR) and aluminium powder in their composites. NR-aluminium powder composites which contained four vulcanising systems, viz., conventional (CV), efficient (EV), dicumyl peroxide (DCP) and a mixture consisting of...

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Bibliographic Details
Published in:Journal of materials science 2000-11, Vol.35 (22), p.5699-5706
Main Authors: VINOD, V. S, VARGHESE, S, KURIAKOSE, B
Format: Article
Language:English
Subjects:
Adhesion tests
Aliphatic compounds
Aluminum
Applied sciences
Bonding agents
Composites
Dicumyl peroxide
Equilibrium
Exact sciences and technology
Forms of application and semi-finished materials
Heptanes
Materials science
Metal powders
Microphotographs
Natural rubber
Particulate composites
Polymer industry, paints, wood
Reagents
Silicon dioxide
Solvents
Swelling
Technology of polymers
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Summary:Equilibrium swelling was tried as a means to measure the adhesion between natural rubber (NR) and aluminium powder in their composites. NR-aluminium powder composites which contained four vulcanising systems, viz., conventional (CV), efficient (EV), dicumyl peroxide (DCP) and a mixture consisting of sulphur and dicumyl peroxide (mixed) and hexa-resorcinol-silica as dry bonding system were evaluated for this. A series of aliphatic solvents like pentane, hexane and heptane were used to study the equilibrium swelling of the composites. The results showed that addition of bonding agent reduced the swelling and are more pronounced in conventional system, due to the increased adhesion. The scanning electron microphotographs revealed more uniformity of the metal powder in the matrix in presence of hexa-resorcinol silica bonding system.
ISSN:0022-2461
1573-4803
DOI:10.1023/A:1004810625113