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This work has been realized in the framework of a scientific collaboration between Frigione, Leader of the MaTech-CCult (Materials and Technologies for Constructions and Cultural Heritage) Group, Lecce, and Rudawska, Faculty of Mechanical Engineering, Lublin University of Technology. Part of the research derives from cooperation in the framework of the project Lublin University of Technology—Regional Excellence Initiative, funded by the Polish Ministry of Science and Higher Education (contract no. 030/RID/2018/19).
The aim of this work is to assess the influence of different commercial diluents on some
mechanical properties of two bisphenolic epoxy compounds, cold-cured by a polyamide curing
agent, to be employed as epoxy structural adhesives for building and industrial applications. The
diluents under analysis were epoxy, bituminous, nitro, acrylic and extraction. The choice of these
products was made on the basis of their wide commercial availability as diluents for epoxies used as
adhesives and in different industrial and construction applications. The diluents were all added in
small proportions, i.e., from 1 to 10 g per 100 g of epoxy resin. The cold-cured epoxy compounds were
subjected to compressive (according to ISO 604) and static tensile (according to ISO 527-1) tests. The
same mechanical tests were performed on both unmodified epoxy resins, for comparison purposes.
On the basis of the obtained results, it was concluded that the influence of the presence of a diluent,
and of its amount, on the mechanical properties of epoxy compounds depends on the type of resin
and of diluent, as well as on the mechanical characteristics analyzed.
