Stereospecific Polymerization of IsopreneStereospecific Polymerization of Isoprene, a doctoral dissertation by Dr. Elena Ceausescu, is a study of the synthesis of cis-l, 4-polyisoprene rubber, an elastomer of synthetic rubber whose structure and properties are similar to that of natural rubber. This elastomer is primarily used in the manufacture of tires, belts, hoses, matting, flooring, dampeners, and other synthetic rubber goods. The book is organized into two parts. Part I, the Ph.D. thesis, focuses on the explanation and exposition of the polymerization reaction; properties of the polymer; and certain theoretical aspects related to the polymer’s reaction mechanism and kinetics. Part II presents data derived from an extensive variety of experiments and tests intended to serve as a basis for the industrial production of cis-l, 4-polyisoprene rubber. The text will be an interesting book for materials engineers, industrial engineers, chemists, and science students engaged in the study of polymers. |
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Acetone active sites Al/Ti molar ratio alcohol aluminium alkyl antioxidants atoms butadiene carbonyl compounds catalyst components catalyst concentration catalyst residues catalyst systems cationic Chem cis-1,4-polyisoprene conversion coordination mechanism cyclopentadiene deactivating agent decrease dispersing agent dl/g double bond Effect electron donor ethylene experimental formation free radical gel content hexane hexane fraction influence initiation intrinsic viscosity ionic isopentane isoprene fraction isoprene polymerization kgf/cm kinetic methyl microstructure mixture molecular sieves molecular weight molecule monomer n-heptane NATTA natural rubber nitrogen obtained olefins optimum oxidation oxygen paramagnetic centres particles physico-mechanical properties polyisoprene polymer polymer solution polymerization of isoprene polymerization process polymerization rate polymerization reaction pre-forming propagation purification reaction rate removal samples Santoflex IP soluble solvent stabilizers stereoregular stereospecific polymerization structure substituents synthesis Table temperature TIBA TIBA/100 g isoprene TiCl2 TiCl3 TiCl4 titanium tetrachloride toluene transition metal triethylaluminium triisobutylaluminium volumetric flow rate ZIEGLER Ziegler–Natta-type catalyst complexes