Influence of chemical cleaning of adhesive bonded surface on working environment and adhesive bond quality
¹Czech University of Life Sciences Prague, Faculty of Engineering, Department Material Science and Manufacturing Technology, Kamýcká 129, CZ165 21, Czech Republic
²Czech University of Life Sciences Prague, Faculty of Engineering, Department of Technological Equipment of Buildings, Kamýcká 129, CZ165 21, Czech Republic
Undesirable chemical substances are released into the environment at single manufacturing operations, namely at a chemical treatment /cleaning of an adhesive bonded surface. The chemical treatment /cleaning of namely metal adhesive bonded surface before an application of the adhesive represents a significant factor having an influence on a resultant adhesive bond strength, i.e. adhesive and cohesive strength.
Producers do not provide information about releasing harmful substances into the atmosphere, i.e. mass values of a flow of polluting substances used at the chemical cleaning of the adhesive bonded surface. These cleaning agents were experimentally investigated.
The aim was to evaluate an adhesive bond quality depending on the chemical treatment of the adhesive bonded surface and the intensity of the chemical agent release into the atmosphere. The adhesive bond quality was evaluated by means of mechanical tests and SEM analysis.
The increase of the adhesive bond strength does not conclusively occur when using the chemical treatment of the adhesive bonded surface compared to the adhesive bonds with only mechanical treatment of the adhesive bonded surface, except for the chemical cleaning in the acetone bath. This treatment proved always in a positive way.