Adhesives

Adhesives

Adhesives (pronunciation: /ədˈhiːzɪvz/) are substances used to bind two or more surfaces together. They come in various forms such as pastes, liquids, films, and tapes.

Etymology

The term 'adhesive' comes from the Latin word 'adhaesivus', which means 'sticking to'.

Types of Adhesives

There are several types of adhesives, including:

• Epoxy: These are high-performance adhesives often used in construction and industrial applications.

• Polyurethane: These are versatile adhesives that can bond a variety of materials, including plastics, metals, and wood.

• Silicone: These are flexible adhesives often used in sealing and bonding applications.

• Pressure Sensitive: These are adhesives that form a bond when pressure is applied, without the need for heat or solvents.

Applications

Adhesives are used in a wide range of applications, including:

• Construction: Adhesives are used to bond materials together in construction projects.

• Packaging: Adhesives are used in the packaging industry to seal boxes and packages.

• Automotive: Adhesives are used in the automotive industry to bond parts together.

• Medical: Adhesives are used in the medical field for wound closure and to secure medical devices to the skin.

Related Terms

• Adhesion: The process of sticking or bonding two surfaces together.

• Cohesion: The intermolecular forces that hold a substance together.

• Viscosity: A measure of a fluid's resistance to flow, which affects the application of adhesives.

• Curing: The process of hardening an adhesive.

External links

• Medical encyclopedia article on Adhesives
• Wikipedia's article - Adhesives

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