Adhesives and Glue - What Sticks?
Archeologists excavating burial sites from 4000 BC have discovered clay pots repaired with glue made from tree sap. We know that the ancient Greeks developed adhesives for use in carpentry, and created recipes for glue that included the following items as ingredients: egg whites, blood, bones, milk, cheese, vegetables and grains. Tar and beeswax were used by the Romans for glue.
Around 1750, the first glue or adhesive patent was issued in Britain. The glue was made from fish. Patents were then rapidly issued for adhesives using natural rubber, animal bones, fish, starch, milk protein or casein.
Superglue - Synthetic Glue
Superglue or Krazy Glue is a substance called cyanoacrylate that was discovered by Dr. Harry Coover while working for Kodak Research Laboratories to develop an optically clear plastic for gunsights in 1942. Coover rejected cyanoacrylate because it was too sticky.
In 1951, cyanoacrylate was rediscovered by Coover and Dr Fred …