Epoxy acrylic coatings have received a great deal of attention in radiation systems due to their excellent properties.
Some features of different types of epoxy resins:
– Electrical insulation
– Good resistance to chemicals; Acids, bases, fats
– Very good resistance to water and moisture
– Their low volume shrinkage during shrinkage stages compared to polyester resins
– Low sensitivity to ambient temperature during firing – Epoxy resins depending on the type can be baked at a temperature between 5 to 150 degrees Celsius
– Due to the molecular structure of epoxy resins (presence of epoxy groups), they are resistant to mechanical stresses (stiffness and toughness properties) and thermal stresses.
Due to the high viscosity of bisphenol A epoxy acrylates, they are usually diluted and then diluted with active diluents. In addition to the aromatic epoxy precursors listed, aliphatic epoxy resins (which are also more expensive) also have a limited market share.
Epoxy acrylates are known for their high reactivity and their cured coatings show good chemical stability. Their main use is in paper and ink coatings as well as wood coatings.
Epoxy acrylates are suitable for a wide range of applications. They work very well with a variety of materials such as paper for coating foil and printed varnishes (OPV). Epoxy acrylates and their combination with other types of resins are the first choice in the field of industrial wood, joinery, beds, furniture and flooring as veneers, primers and fillers.
They also have excellent properties for flexible and rigid industrial plastic coatings.
Their high pigment moisturizing properties, flexibility and high gloss make epoxy acrylic a good choice for hard and durable paints, high pigment pastes in combination with polyester or polyurethane resins for lithography and screen inks.
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