RO103765B1 - Procedeu de polimerizare a etilenei - Google Patents
Procedeu de polimerizare a etileneiInfo
- Publication number
- RO103765B1 RO103765B1 RO139331A RO13933189A RO103765B1 RO 103765 B1 RO103765 B1 RO 103765B1 RO 139331 A RO139331 A RO 139331A RO 13933189 A RO13933189 A RO 13933189A RO 103765 B1 RO103765 B1 RO 103765B1
- Authority
- RO
- Romania
- Prior art keywords
- aliphatic
- carbon atoms
- hydrocarbon radical
- alkyl
- support
- Prior art date
Links
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 title abstract 2
- 239000005977 Ethylene Substances 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 238000006116 polymerization reaction Methods 0.000 title 1
- 125000001931 aliphatic group Chemical group 0.000 abstract 6
- -1 aromatic carboxylic acids Chemical class 0.000 abstract 5
- 125000004432 carbon atom Chemical group C* 0.000 abstract 4
- 125000005234 alkyl aluminium group Chemical group 0.000 abstract 2
- 229910052760 oxygen Inorganic materials 0.000 abstract 2
- 239000001301 oxygen Substances 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 229930195735 unsaturated hydrocarbon Natural products 0.000 abstract 2
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 abstract 1
- 125000005907 alkyl ester group Chemical group 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 229910052796 boron Inorganic materials 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000003197 catalytic effect Effects 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 150000002170 ethers Chemical class 0.000 abstract 1
- 125000000623 heterocyclic group Chemical group 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 239000011859 microparticle Substances 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 125000004433 nitrogen atom Chemical group N* 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Abstract
Procedeul de polimerizare a etilenei la temperaturi între 10 si 250 degree si presiune cuprinsa între presiune atmosferica si 7000 kPa, caracterizat prin aceea ca, în mediu de reactie se introduce un sistem catalitic constituit din: A) un precursor solid constând dintr-un 1) suport organic solid în microparticule; 2) produsul de reactie dintre trihalogenura de vanadiu si un donor de electroni ales dintre esterii alchilici ai acizilor carboxilici alifatici si aromatici, cetone alifatice, anime alifatice, alcooli alifatici, eteri alifatici si eteri cicloalifatici; 3) un modificator reprezentat de o halogenura de bor sau un alchil-aluminiu; 4) un regulator de distributie a greutatii moleculare continând oxigen, având formula generala: A-R-S si R1-B în care R este un radical bivalent de hidrocarbura lipsit de nesaturare alifatica, continând 1...14 atomi de carbon, r1 reprezinta un heterociclu lipsit de nesaturare alifatica, continând 2...14 atomi de carbon si cel putin un atom de oxigen sau azot si A si B reprezinta un radical -OH, -R1, -OR2, -COR2 si -NR3R4, în care R1 este definit ca mai sus, R2 este un radical de hidrocarbura lipsit de nesaturare alifatica, continând 1...14 atomi de carbon, R3 si R4 reprezinta fiecare un atom de hidrogen sau un radical monovalent de hidrocarbura lipsit de nesaturare alifatica, continând 1...14 atomi de carbon, cu conditia ca cel putin unul din radicalii A si B trebuie sa fie -OH sau -COOR2, dar ambii A si B nu pot fi -OH, în care suportul (1) contine 0,05...0,6 mmol vandiu/g suport, 0,1...10 moli modificator-1 mol donor de electroni; B) un catalizator repreznetat de un alchil-aluminiu, cu formula gener
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO139331A RO103765B1 (ro) | 1988-07-01 | 1989-04-17 | Procedeu de polimerizare a etilenei |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/214,587 US4845067A (en) | 1988-07-01 | 1988-07-01 | Catalyst for regulating the molecular weight distribution of ethylene polymers |
| RO139331A RO103765B1 (ro) | 1988-07-01 | 1989-04-17 | Procedeu de polimerizare a etilenei |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO103765A2 RO103765A2 (en) | 1991-12-02 |
| RO103765B1 true RO103765B1 (ro) | 1992-03-26 |
Family
ID=26653576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO139331A RO103765B1 (ro) | 1988-07-01 | 1989-04-17 | Procedeu de polimerizare a etilenei |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO103765B1 (ro) |
-
1989
- 1989-04-17 RO RO139331A patent/RO103765B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO103765A2 (en) | 1991-12-02 |
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