Thermomechanical Analysis of a Bulk of Electrically Conductive Adhesive
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Mechanical properties of isotropically conductive adhesives depend not just on the internal structure and composition (amount and type of binder and filler) of the adhesive, but also on chemical processes that are influenced by curing. Thermomechanical analysis allows to distinguish the point when the adhesive is fully cured, it may reveal a difference in mechanical properties after different modifications of the adhesive, it may give a clue to better thermal processing of the adhesive while curing. Thermal analysis of totally nine types of adhesive modifications was performed, particularly the influence of carbon nanotubes addition, silver nanoparticles and colloidal silver was observed. In our tests, both one-component and two-component adhesives were used. The overview of tested adhesives and their modifications is described in table 1.
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