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Electrostatic theory of adhesive
Jun 21, 2016

Dang adhesive and adherend system is a combination of electron Acceptor-supplies body forms, electronic supply (such as metal) transferred to the acceptor (such as polymers), formed in the interface zone on both sides of the electrical double layer, resulting in electrostatic attraction.

From metal surfaces in a dry environment fast peeling off adhesive layer, available light, sound of the instrument or discharges were observed with the naked eye, and confirmed the existence of static electricity. Electrostatic interactions that exist only to form a double layer of bonding system, therefore not universal. In addition, some scholars have pointed out that: the electric double layer charge density must be reached in 1021 electrons/cm 2 o'clock, electrostatic attraction can significantly impact on the bonding strength. Habitat shift of electric double layer charge density only 1019 e/cm 2 maximum (some think only 1010-1011 electronic/cm 2). Therefore, static electricity while does exist in some special bonding system, but by no means the dominant factor.


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