Metallocene Technology in Commercial Applications
William Andrew, 31 dic 1999 - 311 pagine
Second in the Metallocene series from PDL, this book focuses on the commercial use and process improvements of resins produced with metallocene, single site, and other modern catalytic methods. Research to broaden the scope of applications and shorten production cycles is presented. New and improved polymer blends resulting from the use of new catalysts and improved polymer compatibility are explored as well as new applications becoming possible due to improved and balanced properties.
Current trends and the latest research from the international scientific and industrial community are presented in this volume. Chapters cover use in extrusion, film manufacture, injection molding, foam production, fiber spinning, composites and new applications. Precise testing methods, material characterization, polymer morphology and crystallization are the focus of another section of the book.
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ANTEC atactic autoclave barrier screw behavior blended films blown films Chemical coextruded film comonomer compared cooling rate copolymer critical extensional stress crystallinity curves decrease deformation effect elongation ethylene EXPERIMENTAL extension rate extruder fibers film blowing flow foam fraction gage growth rate HDPE heat seal higher homopolymer impact increases isotactic isothermal lamellar LDPE linear LLDPE long chain branching lower m/min Macromolecules materials measured melt strength melt temperature melting point metallocene catalysts metallocene polyethylene metallocene resin miPP modulus molecular weight monoextruded morphology narrow MWD nucleation octene olefins orientation peak performance phase Plastics polymer polymerization polyolefins polypropylene pressure propylene quenched range ratio relaxation resin rheological samples screw design shear rates shear thinning shear viscosity shown in Figure shows speed spherulite spherulite boundaries structure Syndiotactic Table tensile tion vinyl viscosity Ziegler-Natta Ziegler-Natta catalyst