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The largest volume type of circuit board—an "FR-4 board"—is a sandwich of layers of glass cloth bonded into a composite by an epoxy resin. Epoxy resins are used to bond copper foil to circuit board substrates, and are a component of the solder mask on many circuit boards. Flexible epoxy resins are used for potting transformers and inductors ...
The molecule has 2 oxirane functionalities, and so a key use is modifying and reducing the viscosity of epoxy resins. [9] [10] These reactive diluent modified epoxy resins may then be further formulated into CASE applications: coatings, [11] adhesives, sealants, and elastomers. It produces epoxy coatings with high impact resistance. [12]
The use of the diluent does effect mechanical properties and microstructure of epoxy resins. [15] [16] It produces epoxy coatings with high impact resistance [17] Polymer systems with shape memory may also be produced with this particular molecule. [18] Fluoropolymers have also been produced with the material via a photoinitiated mechanism. [19]
Epoxy resin is two times stronger than concrete, seamless, and waterproof. [citation needed] Accordingly, it has been mainly in use for industrial flooring purposes since the 1960s. Since 2000, however, epoxy and polyurethane resins are used in interiors as well, mainly in Western Europe.
As the molecule has 3 oxirane functionalities, a key use is modifying and reducing the viscosity of epoxy resins but giving higher functionality. [7] These reactive diluent modified epoxy resins may then be further formulated into CASE applications: Coatings, Adhesives, Sealants, and Elastomers. The use of the diluent does effect mechanical ...
Potting has also been used to protect against reverse engineering or to protect parts of cryptography processing cards. When such materials are used only on single components instead of entire assemblies, the process is referred to as encapsulation. Thermosetting plastics or silicone rubber gels are often used, though epoxy resins are also very ...
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