ZIEGLER-NATTA CATALYST FOR HIGH TEMPERATURE POLYMERIZATION

1 - 30 . (canceled)

31 . An olefin polymerization product prepared by the process comprising

i) adding to one or more continuous stirred tank reactor (CSTR), optionally followed by a tubular reactor, either in series or parallel, a solvent selected from C 5-12 alkanes, or mixtures thereof, and a procatalyst for polymerization on a delta form MgCl 2 support comprising a Ti 3+ complex of the formula TiCl 3 *[[R 4 ] a [R 5 O] b AlX 3-c ]d

wherein

a is 0 to 1;

b is 0 to 1;

c=a+b;

d is from 0.33 to 1.0;

each R 4 and R 5 is independently selected from C 1-8 alkyl radicals;

each X is independently selected from the halogen radicals;

wherein at least 60% of the total Ti present is in the Ti 3+ oxidation state;

ii) adding ethylene, hydrogen and optionally one or more comonomers selected from C 3-8 comonomers to the reactor; and

iii) adding an aluminum alkyl activator to the reactor in a molar ratio of about 1 to about 10 relative to the amount of procatalyst; and

having a density from about 0.912 to about 0.918, and CDBI range of about 50 or more and a MWD of about 3 or less.

32 . The olefin polymerization product of claim 31 that provides less than about 10 ppm calculated residual titanium in the resulting polymer.

33 . The olefin polymerization product of claim 31 that provides less than about 120 ppm calculated residual halogen in the resulting polymer.

34 . A plastic article selected from films, fibers, molded or thermoformed articles, and pipe coatings comprising an olefin polymerization product of claim 31 .

35 - 37 . (canceled)

38 . The olefin polymerization product of claim 31 , wherein the activator is an aluminum alkyl activator selected from diethylaluminumethoxide and trialkyl aluminum compounds, and MAO.

39 . The olefin polymerization product claim 31 , wherein the solvent is isohexane or decane.

40 . The olefin polymerization product claim 31 , wherein the polymerization temperature is at least about 240° C.

41 . The olefin polymerization product claim 31 , wherein the polymerization results in a polymer having the same density but where the process uses at least about 10% less comonomer feed compared to a polymerization process using a procatalyst for polymerization that contains substantially no tetrahedral Ti3+ species.

42 . The olefin polymerization product claim 31 , wherein the polymerization results in a polymer with the same density but with a higher Mw at any polymerization temperature than the Mw obtained for a polymer prepared using a procatalyst for polymerization that contains substantially no tetrahedral Ti3+ species.

43 . The olefin polymerization product claim 31 , wherein the reactor hold-up time is from about 30 seconds to about 5 minutes.

44 . The olefin polymerization product claim 31 , wherein the EPR spectrum and its simulation of the procatalyst for polymerization has a characteristic g value of 1.950.

45 . The olefin polymerization product claim 31 , wherein electron paramagnetic resonance (EPR) of the procatalyst for polymerization indicates the presence of a species C, wherein the species C is associated with a tetrahedral Ti 3+ species and wherein species C is about 0.2% or more of the Ti 3+ species detected in the EPR spectra.

46 . The olefin polymerization product claim 31 , wherein electron paramagnetic resonance (EPR) of the procatalyst for polymerization indicates the presence of a species C, wherein the species C is associated with a tetrahedral Ti 3+ species and wherein species C is about 0.3% to about 1% of the Ti 3+ species detected in the EPR spectra.