Chemistry of paper banknotes us dollar

With the development of modern technologies and the progress in chemistry, paper banknotes have become complex financial instruments that combine art, science and security. This is necessary to prevent counterfeiting and to ensure the authenticity of the currencies. To protect the banknotes, one of the most advanced technologies, such as watermarks, security threads, holograms and optical variable inks, are used. Banknotes paper consists of special mixtures that include cotton and linen to increase durability and resistance to wear. These materials make banknotes more flexible and durable than ordinary paper. To prevent wear and extend the lifespan of the banknotes, various chemicals are added, including special polymers and protective coatings. These additives also help preserve the colors and printing on the banknotes.