SU605400A1 - METHOD OF OBTAINING BOTTLE KNOB - Google Patents
METHOD OF OBTAINING BOTTLE KNOBInfo
- Publication number
- SU605400A1 SU605400A1 SU02194905/05A SU2194905A SU605400A1 SU 605400 A1 SU605400 A1 SU 605400A1 SU 02194905/05 A SU02194905/05 A SU 02194905/05A SU 2194905 A SU2194905 A SU 2194905A SU 605400 A1 SU605400 A1 SU 605400A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- methyl chloride
- chloride
- catalyst
- solution
- concentrated
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 abstract 6
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 abstract 4
- 239000003054 catalyst Substances 0.000 abstract 4
- 239000000243 solution Substances 0.000 abstract 4
- 229940050176 methyl chloride Drugs 0.000 abstract 3
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 abstract 2
- GHLPWIQKORJUBT-UHFFFAOYSA-N chloromethane 2-methylprop-1-ene Chemical group CC(C)=C.CCl GHLPWIQKORJUBT-UHFFFAOYSA-N 0.000 abstract 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 abstract 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 229920005549 butyl rubber Polymers 0.000 abstract 1
- 238000007334 copolymerization reaction Methods 0.000 abstract 1
- 239000012895 dilution Substances 0.000 abstract 1
- 238000010790 dilution Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
1. Способ получения бутилкаучука сополимеризацией изобутилена с изопреном в среде метилхлорида при (-30) - (-100)С в присутствии в качестве катализатора хлористого алюминия, отличающийся тем, что, с целью повышения активности катализатора, повышения молекулярного веса продукта и увеличения производительности установки, сначала готовят раствор катализатора в хлористом метиле концентрацией от 0,08 до 2 вес.%, затем разбавляют концентрированный раствор непосредственно перед полимеризатором при (-30) - (-90)С и времени контакта основной массы хлористого метила с хлористым алюминием от 10с до 10 с при соотношении потоков концентрированного раствора катализатора и растворителя от 1 : 3 до 1 : 99.2. Способ по п.1, отличающийся тем, что, с целью его упрощения, разбавление производят возвратной метилхлоридизобутиленовой фракцией при соотношении фракции и концентрированного раствора хлористого алюминия от 24 : 1 до 0,1 : 1,0.3. Способ по п.2, отличающийся тем, что метилхлоридизобутиленовая фракция перед использованием переиспаряется от тяжелокипящих примесей при 10 - 60С.1. The method of producing butyl rubber by copolymerization of isobutylene with isoprene in methyl chloride at (-30) - (-100) C in the presence of aluminum chloride as a catalyst, characterized in that, in order to increase the catalyst activity, increase the molecular weight of the product and increase plant capacity , first prepare a solution of the catalyst in methyl chloride with a concentration of from 0.08 to 2 wt.%, then dilute the concentrated solution immediately before the polymerizer at (-30) - (-90) C and the contact time of the main mass of chloride of methyl chloride with aluminum from 10c to 10 seconds at a ratio of concentrated catalyst solution flows and the solvent of 1: 3 to 1: 99.2. The method according to claim 1, characterized in that, in order to simplify it, the dilution is produced by returning the methyl chloride isobutylene fraction with a ratio of fraction and concentrated aluminum chloride solution from 24: 1 to 0.1: 1.0. The method according to claim 2, characterized in that the methyl chloride isobutylene fraction is re-evaporated from heavy boiling impurities at 10-60 ° C before use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU02194905/05A SU605400A1 (en) | 1975-04-23 | 1975-04-23 | METHOD OF OBTAINING BOTTLE KNOB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU02194905/05A SU605400A1 (en) | 1975-04-23 | 1975-04-23 | METHOD OF OBTAINING BOTTLE KNOB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU605400A1 true SU605400A1 (en) | 1999-12-10 |
Family
ID=60520837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU02194905/05A SU605400A1 (en) | 1975-04-23 | 1975-04-23 | METHOD OF OBTAINING BOTTLE KNOB |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU605400A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2415154C1 (en) * | 2009-09-16 | 2011-03-27 | Открытое акционерное общество "Нижнекамскнефтехим" | Butyl rubber synthesis method |
| RU2470037C2 (en) * | 2007-08-31 | 2012-12-20 | Эксонмобил Кемикэл Пейтентс Инк. | Method of reducing deposits in polymerisation vessels |
-
1975
- 1975-04-23 SU SU02194905/05A patent/SU605400A1/en active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2470037C2 (en) * | 2007-08-31 | 2012-12-20 | Эксонмобил Кемикэл Пейтентс Инк. | Method of reducing deposits in polymerisation vessels |
| RU2415154C1 (en) * | 2009-09-16 | 2011-03-27 | Открытое акционерное общество "Нижнекамскнефтехим" | Butyl rubber synthesis method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1018404A (en) | Block copolymer lattices and process for their preparation | |
| Smith et al. | Two chemical determinations of the population of conformations in 1, 3-butadiene | |
| Bevington et al. | Further study of the decomposition of benzoyl peroxide in the presence of styrene | |
| ES286438A1 (en) | A procedure for preparing a modified polypropylene (Machine-translation by Google Translate, not legally binding) | |
| Mayer et al. | Thermal dehydrochlorination of poly (vinyl chloride) models in the liquid phase | |
| Cope et al. | Cyclic Polyolefins. XL. cis-cis-and cis-trans-1, 3-Cycloöctadiene from Cycloöcten-3-yldimethylamine1 | |
| SU605400A1 (en) | METHOD OF OBTAINING BOTTLE KNOB | |
| ES418655A1 (en) | Oxidising agent method and apparatus for cutting metal | |
| ES440818A1 (en) | Method for cleansing vinyl chloride polymerization reactors | |
| GB524156A (en) | Improvements in or relating to the treatment of aryl substituted olefines | |
| GB1377322A (en) | Process for preparing trifluoroacetic acid | |
| GB906266A (en) | Process and catalyst for production of rubbery polymers | |
| Uehara | Polymerization of methyl methacrylate initiated by a combined action of trichloroacetic acid and dimethylaniline | |
| ES349437A1 (en) | A PROCEDURE TO PURIFY OLEFINIC POLYMERS OR COPOLYMERS OF THE CATALYST RESIDUES. | |
| SU93684A1 (en) | Method for preparing vinyl chloride copolymer spinning solutions | |
| SU414243A1 (en) | ||
| SU505635A1 (en) | Dioxyperoxide p-fluorobenzaldehyde as the initiator of the processes of sulfochlorination and chlorination of hydrocarbons | |
| GB501071A (en) | Improvements in the manufacture of butadiene | |
| SU386910A1 (en) | METHOD FOR OBTAINING R-CHLOROCRYLIC ACID | |
| SU513003A1 (en) | The method of purification of iodide and potassium bromide | |
| US3557217A (en) | Process for upgrading of carbonyl streams | |
| SU47810A1 (en) | The method of obtaining synthetic rubber | |
| Eley et al. | An informal discussion on cationic polymerization | |
| GB572767A (en) | Improvements in or relating to the manufacture of polymerisation products from polymerisable organic chlorine compounds | |
| SU123483A1 (en) | The method of obtaining synthetic flocculants |