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Arthur Fry with a Post-it note on his forehead. In 1968, Spencer Silver, a scientist at 3M in the United States, attempted to develop a super-strong adhesive.Instead, he accidentally created a "low-tack", reusable, pressure-sensitive adhesive for the aerospace industry.
A "Mr. Clean Magic Eraser" brand sponge, made from melamine foam. Melamine foam is a foam-like material consisting of a melamine-formaldehyde condensate. It is the active component of a number of abrasive cleaner sponges, notably the Magic Eraser. It is also used as thermal insulation and as a soundproofing material.
Every Post-It note available for purchase in the United States or Japan was made here in America, most of them at 3M's plant in Cynthiana, Kentucky. The plant was once used to make copiers and ...
3M Company (originally the Minnesota Mining and Manufacturing Company) is an American multinational conglomerate operating in the fields of industry, worker safety, and consumer goods. [5]
[1] [2] [3] Both types of pads in insects make use of liquid secretions and are considered 'wet'. [3] Dry adhesive mechanisms primarily rely on Van der Waals' forces and are also used by organisms other than insects. [4] The fluid provides capillary and viscous adhesion and appears to be present in all insect adhesive pads. [5]
Adhesives may be broadly divided in two classes: structural and pressure-sensitive. To form a permanent bond, structural adhesives harden via processes such as evaporation of solvent (for example, white glue), reaction with UV radiation (as in dental adhesives), chemical reaction (such as two part epoxy), or cooling (as in hot melt).