The simplicity of a business card is one of the reasons it has retained its value in the business world. No matter how many types of burgeoning technologies come out, the business card has maintained its role as the leader in business connections.
"The ultimate ink would have the best gloss, the best running ability, the best set speed, the best rub resistance" Welfare says. "I may never find that ink, but every day I'm looking for the next piece to get me there".
Reactive dyeing is now the most important method for the coloration of cellulosic fibres. Reactive dyes can also be applied on wool and nylon; in the latter case they are applied under weakly acidic conditions.In a reactive dye a chromophore contains a substituent that is activated and allowed to directly react to the surface of the substrate.