Die Chemie leistete ihren Beitrag zum Erfolg dieser Sportart durch die Entwicklung solcher Stoffe, die die Strapazierfähigkeit des Ballons sicherten. ###>During the 1960s, hot-air balloons attracted less interest, but later they became a popular means of sport and recreation, for instance in the United States. Chemistry contributed to the success of this special kind of sport by developing light-weight and strong synthetic fabrics.