1. A process of forming a catalyst comprising:
contacting a metal component with a magnesium dihalide support material to form a Ziegler-Natta catalyst precursor;
contacting the support material with a dopant comprising a non-Group IV metal halide to form a doped catalyst precursor; and
activating the doped catalyst precursor by contact with an organoaluminum compound to form a Ziegler-Natta catalyst.
2. The process of claim 1, wherein forming the Ziegler-Natta catalyst precursor comprises:
providing an alkyl magnesium compound;
contacting the alkyl magnesium compound with an alcohol to form a magnesium dialkoxide compound;
contacting th magnesium dialkoxide with a halogenatingtitanating agent to form a reaction product \u201cA\u201d;
contacting the reaction product \u201cA\u201d with a first metal halidemetal alkoxide blend to form a reaction product \u201cB\u201d;
contacting the reaction product \u201cB\u201d with a second metal halide to form a reaction product \u201cC\u201d; and
contacting the reaction product \u201cC\u201d with a third metal halide to form the Ziegler-Natta catalyst precursor.
3. The process of claim 2, wherein the forming a doped catalyst precursor comprises contacting the alkyl magnesium compound and the alcohol with the dopant.
4. The process of claim 1, wherein the dopant contacts the support material in an equivalent of from about 0.05 to about 0.15.
5. The process of claim 1, wherein the dopant is selected from AlEtCl2 (ethylaluminum dichloride), Ba(2-EHO)2 (barium(II) 2-ethyl hexyl alkoxide), Mn(2-ethylhexanoate)2 (manganese(II) 2-ethylhexanoate), Cr(2-ethylhexanoate)3 (chromium(III) 2-ethylhexanoate), 2-butylferrocene and combinations thereof.
6. The process of claim 2, wherein the alkyl magnesium compound is selected from butyl ethyl magnesium, diethyl magnesium, dipropyl magnesium, dibutyl magnesium and combinations thereof.
7. The process of claim 2, wherein the alcohol is selected from 2-ethylhexanol, butanol, isobutanol and combinations thereof.
8. The process of claim 2, wherein the halogenatingtitanating agent is generally represented by the formula:
ClxA(OR4)y
wherein A is selected from titanium, silicon, aluminum, carbon, tin and germanium, R4 is selected from C1 to C10 linear or branched alkyls comprising methyl, ethyl, propyl and isopropyl, x is 0 or 1, and y is the valence of A minus x.
9. The process of claim 2, wherein the halogenatingtitanating agent is selected from chlorotitaniumtriisopropoxide (ClTi(OiPr)3), chlorosiliconmethoxide (ClSi(Me)3), titanium isopropoxide (Ti(OiPr)4), and combinations thereof.
10. The process of claim 2, wherein the first metal halidemetal alkoxide blend is generally represented by the formula:
TiCl4Ti(OR5)4
wherein R5 is selected from C2 to C20 alkyl groups.
11. The process of claim 2, wherein the first metal halidemetal alkoxide blend is selected from a titanium tetrachloridetetra n-butyl titanate (TiCl4TNBT) blend, a titanium tetrachloridetitanium 2-ethylhexyl alkoxide blend and combinations thereof.
12. The process of claim 2, wherein the second metal halide is titanium tetrachloride (TiCl4).
13. The process of claim 2, wherein the third metal halide is titanium tetrachloride (TiCl4).
14. A polymerization process comprising:
providing ethylene monomer;
contacting the ethylene monomer with the Ziegler-Natta catalyst of claim 1 within a polymerization reactor under conditions sufficient to form polyethylene; and
recovering polyethylene from the polymerization reactor.
15. The process of claim 14, wherein a shear response and activity for the polyethylene is greater than a shear response and activity for an identically formed polyethylene absent the dopant in the Ziegler-Natta catalyst.
16. The process of claim 14, wherein the polyethylene exhibits an SR2 of from about 30 to about 50.
17. The process of claim 14, wherein the polyethylene exhibits a MzMw of from about 4.0 to about 9.0.
18. The process of claim 14, wherein the polymerization process exhibits an activity of from about 23,000 ggh to about 70,000 ggh.
19. A Ziegler-Natta catalyst formed from the process of claim 2.
20. Polyethylene formed by the process of claim 14.
21. A process of forming a Ziegler-Natta catalyst comprising:
contacting an alkyl magnesium compound with an alcohol and a metal reagent to form a blend of a magnesium dialkoxide compound and a metal;
contacting the blend of the magnesium dialkoxide compound and the metal with a first agent to form a solution of reaction product \u201cA\u201d, the first agent comprising a halogenatingtitanating agent;
contacting the solution of reaction product \u201cA\u201d with a second agent to form a solid reaction product \u201cB\u201d, the second agent comprising a blend of a first metal halide and a metal alkoxide;
contacting the solid reaction product \u201cB\u201d with a third agent to form a solid reaction product \u201cC\u201d, the third agent comprising a second metal halide;
contacting the solid reaction product \u201cC\u201d with a fourth agent to form a solid reaction product \u201cD\u201d, the fourth agent comprising a third metal halide; and
contacting the solid reaction product \u201cD\u201d with a fifth agent to form a catalyst component, the fifth agent comprising an organoaluminum compound.
22. The process of claim 21, wherein the metal reagent is selected from non-group IV metal chlorides.
23. The process of claim 22, wherein the non-group IV metal chlorides are selected from AlEtCl2 (ethylaluminum dichloride), Ba(2-EHO)2 (barium(II) 2-ethyl hexyl alkoxide), Mn(2-ethylhexanoate)2 (manganese(II) 2-ethylhexanoate), Cr(2-ethylhexanoate)3 (chromium(III) 2-ethylhexanoate) and 2-butylferrocene.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of conducting an electronic repair business employing a mobile laboratory comprising:
(a) converting a preexisting mobile vehicle of the van type into a mobile electronic laboratory and repair shop by first stripping all of the preexisting components in the van rearward of the existing front seats to provide a relatively flat floor from the front seats to the rear doors of the vehicle, the resulting floor being 10 to 12 feet wide, 16 to 18 feet in longitudinal direction and having a work space approximately 6 feet above the resulting floor;
(b) providing a transverse bulkhead arranged vertically behind the front seats;
(c) providing a longitudinally extending track in the floor of the vehicle and extending from the rear doors forwardly to the bulkhead;
(d) providing seats having bases which are slidable longitudinally in the track;
(e) providing a workbench on one side of the vehicle whereby the seats are moveable to different positions along the workbench;
(f) providing electronic equipment on the workbench including monitors, keyboards and mice for analyzing problems in customers equipment by the people occupying the seats;
(g) providing shelving along the interior walls of the vehicle and in spaces adjacent the roof of the vehicle for the storage of numerous parts and electronic components for use in repair and upgrades on equipment brought in by customers to be repaired and upgraded; and
(h) driving the mobile vehicle to a location where electronic repair is in demand.
2. The method of conducting an electronic repair business employing a mobile laboratory as set forth in claim 1 wherein the shelves are provided with aircraft type closures to prevent spillage of materials from the shelves when the vehicle is moved.
3. A van conversion for providing a mobile laboratory for conducting an electronic repair business wherein the cargo space of the van is converted into an open area rearward of the front seats of the vehicle, a vertical transverse bulkhead behind the front seats, the rear area including a relatively flat horizontal floor having a length of 16 to 18 feet, width of 10 to 12 feet and a space above the floor to the ceiling of the vehicle of approximately 6 feet, the floor having a longitudinally extending track from the rear of the vehicle to the bulkhead, one side of the vehicle being provided with a workbench spaced above the floor a convenient distance for working purposes, the workbench being provided with necessary monitors, keyboards and electronic mice and other electronic accessories for analyzing and solving electronic problems in connection with equipment brought in by customers to be repaired, seats slidable along the track in relation to the workbench so that people can sit on the seats and work on customers products, the interior sides of the vehicle being provided with shelving, the rear doors of the vehicle being provided with interior shelving, the shelving being provided for storage of electronic parts and components.