Glossary of surface technology

Epoxy resin

Epoxy resin consists of polymers which, depending on the reaction and the addition of suitable hardeners, produce a thermosetting plastic with high strength and chemical resistance. The compounds contain hydroxy groups and at their ends epoxy groups which are able to form different reactions with other compounds. Coatings based on epoxy resins are characterized by good adhesion, impact strength and abrasion resistance. The coats are solvent and acid resistant. Because of these properties, epoxy resins are used as reaction adhesives and matrix plastics for high-performance composites.

Printed circuit boards with glass-fibre reinforced epoxy resin are just one example in production.

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