GB360331A - Process for absorbing isobutylene in strong acids - Google Patents
Process for absorbing isobutylene in strong acidsInfo
- Publication number
- GB360331A GB360331A GB9413/31A GB941331A GB360331A GB 360331 A GB360331 A GB 360331A GB 9413/31 A GB9413/31 A GB 9413/31A GB 941331 A GB941331 A GB 941331A GB 360331 A GB360331 A GB 360331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- isobutylene
- acid
- distillation
- absorbed
- sulphuric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/03—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2
- C07C29/04—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds
- C07C29/05—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds with formation of absorption products in mineral acids and their hydrolysis
- C07C29/06—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by addition of hydroxy groups to unsaturated carbon-to-carbon bonds, e.g. with the aid of H2O2 by hydration of carbon-to-carbon double bonds with formation of absorption products in mineral acids and their hydrolysis the acid being sulfuric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
In the process of absorbing isobutylene in strong acids, e.g sulphuric, phosphoric, and toluene sulphonic acids, more molecular proportions of isobutylene are absorbed per molecule of acid than correspond to the basicity of the acid. The acid liquors obtained may be worked up into polymers of isobutylene, mainly di- and tri-isobutylene, by heating, preferably under pressure, with or without previous dilution; or tertiary butyl alcohol may be obtained by distillation. If the distillation is effected in such a manner as to obtain a quick removal of the vapours, e.g. by distillation with steam or under reduced pressure, or both, it is unnecessary first to neutralize the acid liquor, but it is preferred to have during the distillation an acid concentration of less than 40 per cent when sulphuric acid is employed. The best yield of the alcohol from the isobutylene absorbed is obtained with not more than 3 molecules of isobutylene per molecule of sulphuric acid. In examples (1) isobutylene is absorbed in sulphuric acid. (2) Isobutylene is absorbed in isopropyl sulphuric acid, and the mass is then neutralized with ammonia, and steam distilled. The alcohols are salted out and dried. (3) The alcohols are distilled off under reduced pressure. (4) The process is similar to that of Example 2. (5) The acid liquor is diluted slightly and heated in a closed tube to produce di-and tri-isobutylene. (6) The acid liquor is heated without dilution, whereby the proportion of tri-isobutylene is increased slightly.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL360331X | 1930-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB360331A true GB360331A (en) | 1931-11-05 |
Family
ID=19785375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9413/31A Expired GB360331A (en) | 1930-04-28 | 1931-03-27 | Process for absorbing isobutylene in strong acids |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB360331A (en) |
-
1931
- 1931-03-27 GB GB9413/31A patent/GB360331A/en not_active Expired
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