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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0687508 (2003-10-15) |
| 등록번호 | US-7294681 (2007-11-13) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 83 인용 특허 : 322 |
This invention relates to a polymer of one or more C3 to C40 olefins, optionally one or more diolefins, and less than 15 mole % of ethylene, and polymerization processes for producing the same.
We claim: 1. A branched olefin polymer prepared from a continuous process comprising the steps of: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 5% or less under selected polymerization conditions; 2) selecting a second
We claim: 1. A branched olefin polymer prepared from a continuous process comprising the steps of: 1) selecting a first catalyst component capable of producing a polymer having an Mw of 100,000 or less and a crystallinity of 5% or less under selected polymerization conditions; 2) selecting a second catalyst component capable of producing polymer having an Mw of 100,000 or less and a crystallinity of 20% or more at the selected polymerization conditions; 3) contacting the catalyst components in the presence of one or more activators with one or more C3 to C40 olefins; 4) at a temperature of greater than 100째 C.; and 5) at a residence time of 120 minutes or less; 6) wherein the ratio of the first catalyst to the second catalyst is from 1:1 to 50:1; 7) wherein the activity of the catalyst components is at least 50 kilograms of polymer per gram of the catalyst compounds; and wherein at least 80% of the olefins are converted to polymer, wherein the polymer has the following properties: a) a Dot T-Peel of 1 Newton or more on Kraft paper; b) an Mw of 10,000 to 100,000; c) a branching index (g') of 0.4-0.98 measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 60,000, or a branching index (g') of 0.4-0.95 measured at the Mz of the polymer when the polymer has an Mw of 10,000 to 100,000; and d) amorphous polymer segments and semi-crystalline polymer segments. 2. The polymer product of claim 1 where the polymer is a homopolypropylene or a copolymer of propylene and up to 5 mole % ethylene having: a) an isotactic run length of 1 to 30, b) a percent of r dyad of greater than 20%, and c) a heat of fusion of between 1 and 70 J/g. 3. The polymer product of claim 1 wherein the olefin comprises propylene. 4. The polymer product of claim 1 wherein the first catalyst component comprises a non-stereospecific metallocene catalyst compound. 5. The polymer product of claim 1 wherein the first catalyst component comprises a stereospecific metallocene catalyst compound. 6. The polymer product of claim 1 wherein the second catalyst component comprises a stereospecific metallocene catalyst compound. 7. The polymer product of claim 1 wherein the second catalyst component comprises one or more of the racemic versions of: dimethylsilyl(2-methyl-4-phenylindenyl)zirconium dichloride, dimethylsilyl(2-methyl-4-phenylindenyl)zirconium dimethyl, dimethylsilyl(2-methyl-4-phenylindenyl)hafnium dichloride, dimethylsilyl(2-methyl-4-phenylindenyl)hafnium dimethyl, dimethylsilylbis(indenyl)hafnium dimethyl, dimethylsilylbis(indenyl)hafnium dichloride, dimethylsilylbis(indenyl)ziconium dimethyl, dimethylsilylbis(indenyl)zirconium dichloride, the racemic isomers of: dimethylsilanediylbis(2-methylindenyl)metal dichloride; dimethylsilanediylbis(indenyl)metal dichloride; dimethylsilanediylbis(indenyl)metal dimethyl; dimethylsilanediylbis(tetrahydroindenyl)metal dichloride; dimethylsilanediylbis(tetrahydroindenyl)metal dimethyl; dimethylsilanediylbis(indenyl)metal diethyl; and dibenzylsilanediylbis(indenyl)metal dimethyl; wherein the metal is chosen from Zr, Hf, or Ti. 8. The polymer product of claim 1 wherein the activator comprises an alumoxane. 9. The polymer product of claim 1 wherein the activator comprises an ionizing compound. 10. The polymer product of claim 1 wherein the activator comprises a non-coordinating anion. 11. The polymer product of claim 1 wherein the first catalyst component is capable of polymerizing macromonomers having reactive termini; and the second component is capable of producing macromonomers having reactive tennini. 12. The polymer product of claim 1 wherein the monomers comprise propylene and butene. 13. The polymer product of claim 1 further comprising contacting the catalyst components in the presence of one or more activators with a diolefin. 14. The polymer product of claim 13 wherein the diolefin comprises one or more C4 to C40 diolefins. 15. The polymer product of claim 13 wherein the diolefin is selected from the group consisting of 1,6-heptadiene, 1,7-octadiene, 1,8-nonadiene, 1,9-decadiene, 1,10-undecadiene, 1,11-dodecadiene, 1,12-tridecadiene, 1,13-tetradecadiene, cyclopentadiene, vinylnorbornene, norbornadiene, ethylidene norbornene, divinylbenzene, dicyclopentadiene, polybutadiones having an Mw less than 1000 g/mol, and combinations thereof. 16. The polymer product of claim 1 further comprising contacting the catalyst components in the presence of one or more activators with one or more dienes selected from the group consisting of 1,6-heptadiene, 1,7-octadiene, 1,8-nonadiene, 1,9-decadiene, 1,10-undecadiene, 1,11-dodecadiene, 1,12-tridecadiene, 1,13-tetradecadiene, cyclopentadiene, vinylnorbornene, norbornadiene, ethylidene norbornene, divinylbenzene, dicyclopentadiene, polybutadienes having an Mw less than 1000 g/mol, and combinations thereof. 17. The polymer product of claim 1 wherein the reaction zone is a gas phase reactor. 18. The polymer product of claim 1 wherein the reaction zone is a solution phase reactor. 19. The polymer product of claim 1 wherein the reaction zone is a slurry phase reactor. 20. The polymer product of claim 1 wherein the olefin comprises propylene and the reaction zone is a solution phase reactor.
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