RU95119622A - METHOD OF OBTAINING LOW-MOLECULAR POLYISOBUTYLENE - Google Patents
METHOD OF OBTAINING LOW-MOLECULAR POLYISOBUTYLENEInfo
- Publication number
- RU95119622A RU95119622A RU95119622/04A RU95119622A RU95119622A RU 95119622 A RU95119622 A RU 95119622A RU 95119622/04 A RU95119622/04 A RU 95119622/04A RU 95119622 A RU95119622 A RU 95119622A RU 95119622 A RU95119622 A RU 95119622A
- Authority
- RU
- Russia
- Prior art keywords
- general formula
- isobutyl
- ethyl
- polymer
- mixture
- Prior art date
Links
- 229920002367 Polyisobutene Polymers 0.000 title claims 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
- 125000003118 aryl group Chemical group 0.000 claims 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims 2
- 239000000203 mixture Substances 0.000 claims 2
- 229920000642 polymer Polymers 0.000 claims 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910002012 Aerosil® Inorganic materials 0.000 claims 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N Aluminium hydride Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 claims 1
- 239000002841 Lewis acid Substances 0.000 claims 1
- MCULRUJILOGHCJ-UHFFFAOYSA-N Triisobutylaluminium Chemical compound CC(C)C[Al](CC(C)C)CC(C)C MCULRUJILOGHCJ-UHFFFAOYSA-N 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 238000004061 bleaching Methods 0.000 claims 1
- 238000007872 degassing Methods 0.000 claims 1
- 230000000249 desinfective Effects 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 230000003993 interaction Effects 0.000 claims 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims 1
- 150000007517 lewis acids Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 239000003607 modifier Substances 0.000 claims 1
- 230000000379 polymerizing Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 claims 1
- 239000002594 sorbent Substances 0.000 claims 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims 1
- 239000010457 zeolite Substances 0.000 claims 1
Claims (1)
где R - этил, изобутил и т.д., а R', R'' - H или -CH2-CH2-OAlR2;
(В) полиалоксан общей формулы
где n = 0 - 30, а R, R', R'' - H, алкил, арил; (С) диалкилалюминийгидрид общей формулы
где R - этил, изобутил, т.д.,
или смесь всех или каждого из вышеуказанных соединений с триизобутилалюминием (D) в мольном соотношении А (В,С) : D от 100 : 1 до 1 : 100, а процесс обеззоливания либо отсутствует, либо в качестве обеззоливающих агентов применяют твердые сорбенты, выбранные из группы: отбеливающие глины, инфузорная земля, трепел Зикеевского карьера, белая сажа (аморфный кремнезем), аэросил, измельченная окись алюминия или цеолиты Дзегви при дозировке 0,01 - 15 мас.% на полимер.A method of producing low molecular weight polyisobutylene by polymerizing isobutylene in a mixture of butenes or in an environment of aliphatic, aromatic and halogen-containing solvents in the presence of a Lewis acid and modifier, followed by stopping, degassing and disinfecting the polymer, characterized in that a compound selected from the group: (A) is the product of the interaction of equimolar amounts of trialkyl aluminum with alkanolamine of the general formula
where R is ethyl, isobutyl, etc., and R ', R "is H or -CH 2 -CH 2 -OAlR 2 ;
(B) polyaloxane of the general formula
where n = 0 - 30, and R, R ', R "- H, alkyl, aryl; (C) Dialkyl aluminum hydride of the general formula
where R is ethyl, isobutyl, etc.,
or a mixture of all or each of the above compounds with triisobutylaluminum (D) in a molar ratio of A (B, C): D from 100: 1 to 1: 100, and the deashering process is either absent or solid sorbents selected from groups: bleaching clays, infusorial earth, tripie of Zikeevsky pit, white carbon (amorphous silica), aerosil, crushed alumina or Dzegvi zeolites at a dosage of 0.01 - 15 wt.% on the polymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU95119622A RU2098430C1 (en) | 1995-11-21 | 1995-11-21 | Method of synthesis of low-molecular polybutene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU95119622A RU2098430C1 (en) | 1995-11-21 | 1995-11-21 | Method of synthesis of low-molecular polybutene |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU95119622A true RU95119622A (en) | 1997-10-20 |
| RU2098430C1 RU2098430C1 (en) | 1997-12-10 |
Family
ID=20173961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU95119622A RU2098430C1 (en) | 1995-11-21 | 1995-11-21 | Method of synthesis of low-molecular polybutene |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2098430C1 (en) |
-
1995
- 1995-11-21 RU RU95119622A patent/RU2098430C1/en active
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