New technologies demand new materials. Polymer composites, with their wide range of possible fillers and polymers, open the way to an enormous range of materials with differing chemical, physical, and mechanical properties. The ultimate goal of polymer composite research is to formulate procedures that will lead to the design of composites with preset, i.e. specified, properties. Based on many years' experience in the field, the authors prepare the way towards just such a design procedure. The key element is the analysis and classification of the state of the filler-polymer interfaces from the point of view of their acid-base adsorption interactions. These interfacial phenomena play a pivotal role in determining overall properties of the composite: its rheological behaviour, its structural properties, catalytic effects in polymerization and polycondensation, and other technological characteristics. The book discusses and evaluates the extensive previous research scattered throughout the literature in Eastern Europe and the West, presents numerous experimental studies, and sets new benchmarks for the analysis of polymer composites. The book is required for researchers wanting to keep abreast of the progress in the burgeoning fields of polymer analysis and design.
This is the theory of the things that make me up and tear me apart. I am the theory. I am exactly and nothing like anything you will read in this book. Everyone loves a Margarita, (or so I've heard). I'm here to test the theory.
In this poetic memoir, which won the Pura Belpré Author Award, was a YALSA Nonfiction Finalist, and was named a Walter Dean Myers Award Honoree, acclaimed author Margarita Engle tells of growing up as a child of two cultures during the Cold War. Margarita is a girl from two worlds. Her heart lies in Cuba, her mother’s tropical island country, a place so lush with vibrant life that it seems like a fairy tale kingdom. But most of the time she lives in Los Angeles, lonely in the noisy city and dreaming of the summers when she can take a plane through the enchanted air to her beloved island. Words and images are her constant companions, friendly and comforting when the children at school are not. Then a revolution breaks out in Cuba. Margarita fears for her far-away family. When the hostility between Cuba and the United States erupts at the Bay of Pigs Invasion, Margarita’s worlds collide in the worst way possible. How can the two countries she loves hate each other so much? And will she ever get to visit her beautiful island again?
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