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Integral/Structural Polymer Foams - Technology, Properties and Applications (Paperback, Softcover reprint of the original 1st ed. 1986)
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Integral/Structural Polymer Foams - Technology, Properties and Applications (Paperback, Softcover reprint of the original 1st ed. 1986)
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Integral, or structural, foams are one of the most remarkable
materials that have been developed over the last fifteen years. As
with all rapidly growing fields, the terminology seems to have
grown even faster. Thus there are two names for the material
structure itself. In the United States and in Japan the term for
these plastics is Structural Foams, whereas in Europe and the USSR
the term used is usually Integral Foams. We have adhered to the
European term in the text and hope our colleagues will bear with
us. Integral foams have a specific structure: a cellular core that
gradually turns into a solid skin. The skin gives the part its form
and stiffness, while the cellular core contributes to the very high
strength-to-weight values of the material. These are higher than
those of some unfoamed plastics and metals. The sandwich-like
structure with its unique mechanical properties was prompted by
nature. Wood and bone are strong and light-weight natural materials
having a cellular structure. Since the sandwich-like structure of
the integral foams resembles that of natural wood, the foams are
often referred to as artifical wood or plastic wood, thereby
emphasizing not only the formal structural similarity of these
materials, but also one of the main functional applications of
integral foams - replacement of wooden articles in various fields
of engineering and construction.
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