IP Library › Granted Patent US 7,547,754
Granted Patent B2
US 7,547,754 · App. 11/784,404 · Granted Jun 16, 2009

Organometal compound catalyst

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Quick Facts
Patent No.
US 7,547,754
App. No.
11/784,404
Granted
Jun 16, 2009
Kind
B2
Abstract

This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catalyst composition comprises contacting an organometal compound, an organoaluminum compound, and a treated solid oxide compound.

Claims (21)

1. A polymer having a melt index ranging from about 0.01 to about 100 g/10 min, a density ranging from about 0.90 to about 0.97 g/cm 3 , a polydispersity (M w /M n ) between about 2.5 and about 20, a shear ratio (HLMI/MI) between about 10 and about 250, and a molecular weight distribution comprising a molecular weight distribution curve having a peak below a molecular weight of 100,000 and a high molecular weight component that extends to a molecular weight above 10,000,000, wherein the percentage of the mass above 1,000,000 ranges from about 0.2 to about 4% of the mass of the polymer.

2. A polymer according to claim 1 , wherein the polymer has a melt index ranging from about 0.1 to about 10 g/10 min, a density ranging from about 0.905 to about 0.94 g/cm 3 , a M w /M n ratio between about 3 and about 10, and a shear ratio (HLMI/MI) between about 10 and about 100.

3. A polymer according to claim 2 , wherein the polymer has a melt index ranging from about 0.5 to about 5 g/10 min, a density ranging from about 0.91 to about 0.93 g/cm 3 , a M w /M n between about 3.5 and about 10, and a shear ratio (HLMI/MI) between about 10 and about 25.

4. A polymer having a melt index ranging from about 0.01 to about 100 g/10 min, a density ranging from about 0.90 to about 0.97 g/cm 3 , a M w /M n ratio between about 2.5 and about 20, a shear ratio (HLMI/MI) between about 10 and about 250, and wherein a slope of a log G′ (storage modulus) versus log ω (frequency) curve of the polymer increases over a segment of the frequency range when the frequency is increased from about 0.03 to about 100 rad/s.

5. A polymer according to claim 4 , wherein the slope of the log G′ (storage modulus) versus log ω (frequency) curve increases when the frequency is increased from 0.1 to 10 rad/s.

6. A polymer having a melt index ranging from about 0.01 to about 100 g/10 minutes, a density ranging from about 0.90 to about 0.97 g/cm 3 , a M w /M n ratio between about 2.5 and about 20, a shear ratio (HLMI/MI) between about 10 and about 250, and wherein a second derivative of a log G′ (storage modulus) versus log ω (frequency) curve of the polymer has a segment that is positive over a frequency range of about 0.03 to about 100 rad/s.

7. A polymer having a melt index ranging from about 0.01 to about 100 g/10 minutes, a density ranging from about 0.90 to about 0.97 g/cm 3 , a M w /M n ratio between about 2.5 and about 20, a shear ratio (HLMI/MI) between about 10 and about 250, and wherein a slope of a log |η*(ω)| (viscosity) versus log ω curve of the polymer has a range where the slope increases as the angular frequency increases from about 0.03 to about 1.0 rad/s.

8. An article that comprises the polymer of claim 1 .

9. An article that comprises the polymer of claim 4 .

10. An article that comprises the polymer of claim 6 .

11. A polymer according to claim 1 , wherein the polymer has a M z /M w ratio between about 5 and about 80.

12. A polymer according to claim 1 , wherein the polymer has a M z /M w ratio between about 10 and about 60.

13. A polymer having a shear ratio (HLMI/MI) between about 10 and about 100, a polydispersity (M w /M n ) between about 3.5 and about 10, a M z /M w ratio between about 5 and about 80, and wherein a slope of a log |η*(ω)| (viscosity) versus log ω curve of the polymer is less negative as the angular frequency increases from about 0.03 to about 1.0 rad/s.

14. A polymer according to claim 13 , wherein the polymer has a melt index ranging from about 0.1 to about 10.

15. A polymer according to claim 13 , wherein the polymer has a melt index ranging from about 0.5 to about 5.

16. A polymer according to claim 13 , wherein the polymer has a density ranging from about 0.905 to about 0.94 g/cm 3 .

17. A polymer according to claim 13 , wherein the polymer has a density ranging from about 0.91 to about 0.93 g/cm 3 .

18. A polymer according to claim 13 , wherein the polymer has a shear ratio (HLMI/MI) between about 10 and about 25.

19. A polymer according to claim 13 , wherein the polymer has a M z /M w ratio between about 10 and about 60.

20. An article that comprises the polymer of claim 13 .

21. A polymer according to claim 4 , wherein the polymer has a melt index ranging from about 0.01 to about 10 g/10 min, a density ranging from about 0.905 to about 0.94 g/cm 3 , a M w /M n ratio between about 3 and about 15, and a shear ratio (HLMI/MI) between about 10 and about 100.