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Book Description The research and development of polyurethanes continues to result in new and improved materials which are useful in a wide range of applications. The latest volume in this long-running book series presents in-depth， illustrated reports on important new developments in the technology of this versatile material. The authors are leading specialists in this area of polymer R&D， affiliated with U.S. and European research organizations and plastics companies. A variety of advanced materials with good applications potential are examined including polyurethane foams， elastomers， blends， hydrogels and LC polyurethanes. Most of the reports present new information on the chemistry of these materials， including formulation， synthesis， analysis and properties. A special 50-page report from Italy covers a wide range of physical and chemical recycling methods which are now in use. This illustrated report provides details on specific， practical processes.