Preparation and properties of epoxy adhesives blends

الملخص EN

This research aims to improve the cohesion forces, thermal and mechanical properties and reducing cost for epomort epoxy adhesive by addition tarcoat epoxy adhesive as blends with ratio (25, 50, 75 V %).

The results of bending strength testing, compression strength testing and shore A hardness increasing for 75 % epomort + 25 % tarcoat epoxy adhesive blends more than 100 epomort, 50 % epomort, 25 % epomort and 100 % tarcoat epoxy adhesive blends.

The results of adhesion strength testing between concrete–epoxy adhesive blends at 25 oC and -2 oC show the failure has taken place in concrete, while at 90 oC the failure has taken place in concrete for 75–50–25 % epomort and 100 % tarcoat epoxy adhesive blends except 100 % epomort epoxy adhesive the failure has taken place in epoxy adhesive.

The crystallization temperature (TC), melting temperature (Tm) and decomposition temperature (Td) of all ratio epoxy adhesive blends are converged or nearby.

Reducing cost of epomort epoxy adhesive with addition tarcoat epoxy adhesive as blends by ratio (25, 50 and 75 %).

The 75 % epomort + 25 % tarcoat epoxy blend gives better mechanical properties, thermal properties and low cost.