GB351318A - Improvements in or relating to the preparation of vinyl esters - Google Patents
Improvements in or relating to the preparation of vinyl estersInfo
- Publication number
- GB351318A GB351318A GB25578/30A GB2557830A GB351318A GB 351318 A GB351318 A GB 351318A GB 25578/30 A GB25578/30 A GB 25578/30A GB 2557830 A GB2557830 A GB 2557830A GB 351318 A GB351318 A GB 351318A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acetate
- vinyl
- acetylene
- preparation
- temperature below
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Vinyl esters are prepared by the interaction of acetylene and a lower mono-carboxylic acid of the aliphatic series at a temperature below 50 DEG C. in the presence of a mercury compound as catalyst, in conjunction with sulpho-acetic acid and acetic anhydride. It is preferred to work at a temperature below 25 DEG C., the acetylene being introduced at such a rate that the gas is completely absorbed. When the reaction is complete, acetate of sodium or calcium is added, and the resulting product distilled at reduced pressure; the separation of the vinyl acetate by fractionation may also be effected in this distillation. If this addition of acetate is omitted, some acetaldehyde and tar are produced. Examples are given illustrating the effect of variation in temperature on the amounts of vinyl acetate and ethylidene diacetate produced. The preparation of the mercuric sulphate catalyst is described, and also the production of vinyl propionate. In the process described in the Specification as open to inspection under Sect. 91 (3) (a) the addition of acetic anhydride was optional. This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US351318XA | 1929-08-28 | 1929-08-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB351318A true GB351318A (en) | 1931-06-25 |
Family
ID=21880840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25578/30A Expired GB351318A (en) | 1929-08-28 | 1930-08-27 | Improvements in or relating to the preparation of vinyl esters |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB351318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2682556A (en) * | 1954-06-29 | Process for preparing vinyl formate |
-
1930
- 1930-08-27 GB GB25578/30A patent/GB351318A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2682556A (en) * | 1954-06-29 | Process for preparing vinyl formate |
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