Danielmeier Karsten - Polyurethanes : Coatings, Adhesives and Sealants

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Ulrich Meier-Westhues, Karsten Danielmeier, Peter Kruppa, Edward P. Squiller

Polyurethanes: Coatings, Adhesives and Sealants, 2nd Revised Edition

Hanover: Vincentz Network 2019

European Coatings Library

ISBN 978-3-86630-788-9

ISBN 978-3-86630-782-7

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European Coatings Library

Ulrich Meier-Westhues

Karsten Danielmeier

Peter Kruppa

Edward P. Squiller

Polyurethanes

Coatings, Adhesives and Sealants

2nd Revised Edition

Foreword

A world without polyurethanes is hard to imagine these days. Polyurethane chemistry has become an established technology worldwide in various industrial applications. For innovative coatings, adhesives and sealants, it plays a significant role and has been in many cases the key to new technology implementation. Polyurethanes enable innovation and technological advancement and help to develop products that meet market needs, devising efficient and environmentally friendly manufacturing processes and asserting a position in the global competitive environment.

In 2007 the first edition of the textbook Polyurethanes for Coatings, Adhesives and Sealants was published with the purpose to give a comprehensive overview of the potential offered by polyurethane chemistry. It was a time, when the significance of solvent-free, water-borne or UV-cured systems had steadily increased and reached a considerable importance. While solvent-borne formulations occupied center stage for many years before, polyurethane chemistry suddenly demonstrated that environmental improvements, better quality and economy were not mutually exclusive, but could be synergistic.

The book became an established standard work for professionals and students in technical and commercial areas, who desired the know-how and background of polyurethane related topics for coatings, adhesives and sealants.

Now, 11 years later, we once more deal with this topic and analyze the current role of polyurethane chemistry for coatings, adhesives and sealants, taking the development within the past decade into account. Based on our findings we updated the book, added new technical developments, extended the global view and included increasingly important topics such as sustainability and digitalization. Additionally, we refreshed citations and reduced content in areas deemed to be less relevant as they had been eleven years ago.

Polyurethane chemistry appears to have become even more established in the last decade and has continued to develop. Some of the trends foreseen in the previous edition have come to fruition, e.g., the trend towards water-borne systems. Furthermore, new, even more specialized systems and application technologies have been developed. This widened the applications fields and pushed the performance of the PU technology even further. Examples include the first bio-based PU raw materials which are entering the market, new catalyst systems which have been developed, or the digital printing process as new application technology that makes its way into the market place. Due to the adaptability of polyurethanes, modern systems are able to address the more stringent market, legislation and sustainability demands of today, and it is anticipated that polyurethanes will be able to do this in the future. The enormous diversity and possible combinations of polyurethane raw materials result in an impressive breadth of properties enabling the development of specific, customized solutions. The potential of further development is by no means exhausted.

Although the book has been revised, we took care to maintain the original intent of providing a comprehensive overview that allows newcomers to the industry an understanding of the principles and the potential of the polyurethane chemistry in the applications of coatings, adhesives and sealants, as well as, give the experienced specialist the option to refresh their knowledge and inspire the interested reader to think about how new innovations in polyurethanes can solve the problems of the future. The book opens with an introduction to polyurethane chemistry and technology, followed by a discussion of the many different applications, their current significance and their future prospects. Like the first edition of the book, the second one was also created in a global team approach involving experts in their respective fields for each chapter including experts of the Covestro group of companies, as well as, partners from universities and institutes. We would like to thank all of them for their contribution and patience. The book would not have been possible without their commitment and dedication to the PU technology.

The following authors contributed to the respective chapters in alphabetical order: