Abstract
Silver-based high-conductivity coatings are used in many advanced manufacturing equipment and components, and existing coatings require high-temperature curing. This paper studies the effects of different curing agents on the electrical properties of low-temperature curing (<100 °C) conductive coatings, and analyzes the effects of different curing temperatures and curing time on the surface resistance, square resistance and resistivity of conductive coatings. The response surface method in Design Expert was used to construct the model, and the curing thermodynamics of different curing agents were analyzed by DSC. It was found that curing agents with lower Tm and activation energy, higher pre-exponential factor and more flexible segments are beneficial to the preparation of highly conductive coatings.
Highlights
Conductive paint is a kind of paint that is applied to the non-conductive bottom plate to make it conductive
In order to explore the effect of the curing agent and curing process when curing at low temperature (
This study mainly discusses the effect of curing agent on low-temperature curing silver conductive coatings
Summary
Conductive paint is a kind of paint that is applied to the non-conductive bottom plate to make it conductive. Many researchers have discussed the influence of different proportions of several silver fillers on the electrical properties of conductive adhesives, such as the blending of spherical silver powder with flake silver powder [4,6,7,8,9,10], and the blending of nano-silver powder with micro-silver powder [12,13,14,15,16]. The study found that the curing agent and the substrate have a great influence on the low-temperature curing silver-conductive adhesive. In order to explore the effect of the curing agent and curing process when curing at low temperature (
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