Epoxy

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Epoxy

Epoxy (/ɪˈpɒksi/), also known as polyepoxide, is a type of polymer that contains one or more epoxide groups. The term "epoxy" is often used to refer to epoxy resin, a type of reactive pre-polymer and polymer that contains epoxide groups.

Etymology

The term "epoxy" is derived from the Greek word "epo", meaning "upon" or "over", and "oxy", meaning "sharp" or "acid". This refers to the fact that epoxies were originally developed as a type of super-strong adhesive that could be applied over other materials.

Related Terms

  • Epoxide: A cyclic ether with a three-atom ring that contains an oxygen atom and two carbon atoms.
  • Polymer: A large molecule composed of many repeated subunits, known as monomers.
  • Resin: A solid or highly viscous substance of plant or synthetic origin that is typically convertible into polymers.
  • Adhesive: A substance used for sticking objects or materials together.

Uses

Epoxy is used in a wide range of applications due to its strong adhesive properties, resistance to heat and chemicals, and excellent electrical insulating properties. Some common uses of epoxy include:

  • Adhesive: Epoxy is often used as a structural adhesive for a wide range of materials, including metal, wood, and plastic.
  • Coating: Epoxy coatings are used to provide a high-performance, smooth, and durable surface that can withstand heavy traffic and many chemicals.
  • Composite Material: Epoxy is used as a matrix material in composite materials, where it is combined with a reinforcement material such as glass or carbon fibers to create a composite that has the combined properties of the two materials.

External links

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