This volume reviews the present state of knowledge on the manufacturing, processing and applications of neat, modified, filled and reinforced polypropylenes at the end of the 20th century. An international group of experts surveys all important scientific and technical aspects of polypropylene (PP) in a concise manner. The book represents an updated and comprehensive report on the synthesis, processing, testing and applications of PP and related systems (modified, filled, reinforced). Each key aspect is the subject of an article for non-specialists. The articles are grouped in alphabetical format which should allow the reader to find the information needed quickly. The easy retrieval of the information is supported by a comprehensive reference guide based on key-words.