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Crystallization in processing conditions

MINES ParisTech, Centre de Mise en Forme des Materiaux (CEMEF), Sophia Antipolis, France [Pg.433]

MW and MWD are very significant parameters in determining the end use performance of polymers. However, difficulty arises in ascertaining the structural properties relationship, especially for the crystalline polymers, due to the interdependent variables, i.e., crystallinity, orientation, crystal structure, processing conditions, etc., which are influenced by MW and MWD of the material. The presence of chain branches and their distribution in PE cause further complications in establishing this correlation. [Pg.287]

Incorporation of fillers does not require substantial adjustment in process conditions. In fact, the process is easier in the presence of fillers because the filled material usually has a lower adhesion to the cylinders of calenders which makes it easier to process. Also, cooling times are reduced because fillers increase the crystallization rate. [Pg.752]

Chapter 1 covers experimental techniques widely used in studies of polymer crystalhzation. Chapter 2, Chapter 3, Chapter 4, and Chapter 5 are devoted to the structure of crystalline polymers and also to the kinetics of nucleation and growth of the crystaUine phase. Chapter 6 is focused on molecular modeling of polymer crystallization, whereas Chapter 7 describes overah crystalhzation kinetics, with special reference to the theories widely used in practice. Chapter 8 covers the subject of epitaxy. Chapter 9 is dedicated to melting of polymer crystals. Chapter 10, Chapter 11, and Chapter 13 describe the crystahization in copolymers, miscible and immiscible polymer blends, and also polymer composites. Chapter 12 is focused on phenomena related to the confinement of polymer chains. Chapter 14 describes the effect of flow on crystahization, and finally Chapter 15 covers the crystalhzation in processing conditions. [Pg.495]

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See also in sourсe #XX -- [ Pg.433 , Pg.462 ]



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