Crystallite melting point

Ebook "Polymer synthesis: Theory and practice - Fundamentals, methods, experiments" contains numerous changes: In recent years, so-called functional polymers which have special electrical, electronic, optical and biological properties, have gained more and more in interest. This textbook was therefore supplemented by recipes which describe the synthesis of these materials in a new chapter "Functional polymers". Together with new experiments in chapter 3, 4 and 5 the book now contains more than 120 recipes that describe a wide range of macromolecules.

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Part 1 of ebook "Polymer synthesis: Theory and practice - Fundamentals, methods, experiments" provides readers with contents including: introduction; methods and techniques for synthesis, characterization, processing, and modification of polymers; correlations of structure and morphology with the properties of polymers;...

176p dangsovu 20-10-2023 5 3   Download

This work pointed out the preparation of a magnetic glass–ceramic in the system Fe2O3–ZnO–CaO–SiO2. The base composition was designed to crystallize about 60% magnetite. The influence of adding TiO2, Na2O and P2O5 separately or as mixtures was studied. The DTA of the glasses revealed a decrease in the thermal effects by adding P2O5, TiO2 and Na2O in an increasing order. The X-ray diffraction patterns showed the presence of nanometric magnetite crystals in a glassy matrix after cooling from the melting temperature.

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