Stereospecific Polymerization of Isoprene |
From inside the book
Results 1-3 of 30
Page viii
... titanium tetrachloride ( a ) Influence of Al / Ti molar ratio ( b ) Influence of concentration of catalyst ( c ) Influence of isoprene purity 86 86 90 95 2. Polymerization of isoprene of over 99 % purity with triisobutylaluminium and ...
... titanium tetrachloride ( a ) Influence of Al / Ti molar ratio ( b ) Influence of concentration of catalyst ( c ) Influence of isoprene purity 86 86 90 95 2. Polymerization of isoprene of over 99 % purity with triisobutylaluminium and ...
Page 86
Elena Ceaușescu. 1. Polymerization of isoprene of 99 % purity with triethylaluminium and titanium tetrachloride In polymerization experiments performed with the catalyst system prepared from triethylaluminium and titanium tetrachloride ...
Elena Ceaușescu. 1. Polymerization of isoprene of 99 % purity with triethylaluminium and titanium tetrachloride In polymerization experiments performed with the catalyst system prepared from triethylaluminium and titanium tetrachloride ...
Page 111
... titanium tetrachloride and triisobutylaluminium - titanium tetrachloride , were used . The influence of the Al / Ti molar ratio and the catalyst concentration was studied with both catalyst systems . The parameters were varied within ...
... titanium tetrachloride and triisobutylaluminium - titanium tetrachloride , were used . The influence of the Al / Ti molar ratio and the catalyst concentration was studied with both catalyst systems . The parameters were varied within ...
Contents
Introduction | 3 |
Stereospecific catalysts | 17 |
Mechanisms of stereospecific polymerization | 29 |
Copyright | |
31 other sections not shown
Other editions - View all
Common terms and phrases
5A molecular sieves acetylenic hydrocarbons active sites AIR3 Al/Ti molar ratio aluminium alkyl anionic antioxidants atoms butadiene carbonyl compounds catalyst components catalyst concentration cationic CH₂ chain characteristics Chem cis-1,4-polyisoprene cm³ isoprene/100 content of cis-1,4 conversion cyclopentadiene deactivating agent decreases dl/g double bond Effect electron donor elongation at break ethylene formation fraction of purity free radical gel content H H H hexane hexane fraction hydrocarbons impurities influence initiation intrinsic viscosity ionic isopentane isoprene fraction isoprene polymerization kgf/cm² kinetic macromolecular maximum mechanism microstructure mixture molecular sieves molecular weight monomer n-heptane NATTA nitrogen obtained olefins optimum oxidation oxygen paramagnetic paramagnetic centres physico-mechanical properties polyisoprene polymer polymer solution polymerization of isoprene polymerization rate polymerization reaction polymers prepared propagation purification reaction rate removal samples shown in Figure solvent stabilizers stereoregularity stereospecific polymerization synthesized Table TIBA TIBA/100 g isoprene titanium tetrachloride toluene transition metal triethylaluminium triisobutylaluminium volumetric flow rate Ziegler-Natta-type catalyst complexes