Gülşen Akın Evingür

Piri Reis University

Dr. Gülşen Akın Evingür, born in 1976, is currently working as Assosciate Professor at Piri Reis University, Istanbul, Turkey. She completed her BSc at Yildiz Technical University, Istanbul, Turkey and her PhD at Istanbul Technical University in 1996 and 2011, respectively. She has been engaged in various academic studies in the fields of composite gels and their optical, electrical and mechanical properties.

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Thermosoftening Plastics are polymers that can be manipulated into different shapes when they are hot, and the shape sets when it cools. If we were to reheat the polymer again, we could re-shape it once again. Modern thermosoftening plastics soften at temperatures anywhere between 65 ºC and 200 ºC. In this state, they can be moulded in a number of ways. They differ from thermoset plastics in that they can be returned to this plastic state by reheating. They are then fully recyclable because thermosoftening plastics do not have covalent bonds between neighbouring polymer molecules. Methods of shaping the softened plastic include: injection moulding, rotational moulding, extrusion, vacuum forming, and compression moulding. The scope of this book covers three areas of thermosoftening plastics, thermoplastic materials, and their characterization. The following tests are covered in the book: thermal analysis (differential scanning calorimetry, heat deflection temperature test), optical properties tests (fluorescence spectroscopy, UV spectroscopy), and mechanical properties tests (thermogravimetry, rheometry, short term tensile test).

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