The chemistry of polyurethane coatings is of great significance in many applications worldwide. Moreover, their development potential has yet to be exhausted by any means. New applications are being identified and the product range will be further development. This is a completely updated version of the book " Polyurethanes for Coatings" published in 1999. It is extended by applications in adhesives as well as new operational areas. It begins with an exploration of the principles of polyurethane chemistry, enabling the reader to understand the current significance of the many applications and special developments and their future perspectives. Newcomers will find the information within this book useful in familiarizing themselves with the key concepts of polyurethane chemistry. Specialists can update their knowledge about current developments and perspectives.