CA2040451A1 - Process for preparing soap-acyl isethionate compositions - Google Patents
Process for preparing soap-acyl isethionate compositionsInfo
- Publication number
- CA2040451A1 CA2040451A1 CA2040451A CA2040451A CA2040451A1 CA 2040451 A1 CA2040451 A1 CA 2040451A1 CA 2040451 A CA2040451 A CA 2040451A CA 2040451 A CA2040451 A CA 2040451A CA 2040451 A1 CA2040451 A1 CA 2040451A1
- Authority
- CA
- Canada
- Prior art keywords
- caustic solution
- batch
- acyl isethionate
- addition
- added
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000203 mixture Substances 0.000 title abstract 2
- 239000003518 caustics Substances 0.000 abstract 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- -1 alkali metal salts Chemical class 0.000 abstract 3
- 238000010924 continuous production Methods 0.000 abstract 2
- 235000014113 dietary fatty acids Nutrition 0.000 abstract 2
- 239000000194 fatty acid Substances 0.000 abstract 2
- 229930195729 fatty acid Natural products 0.000 abstract 2
- 150000004665 fatty acids Chemical class 0.000 abstract 2
- 229910052783 alkali metal Inorganic materials 0.000 abstract 1
- 238000010923 batch production Methods 0.000 abstract 1
- 150000002763 monocarboxylic acids Chemical class 0.000 abstract 1
- 229940045998 sodium isethionate Drugs 0.000 abstract 1
- LADXKQRVAFSPTR-UHFFFAOYSA-M sodium;2-hydroxyethanesulfonate Chemical compound [Na+].OCCS([O-])(=O)=O LADXKQRVAFSPTR-UHFFFAOYSA-M 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
Landscapes
- Detergent Compositions (AREA)
Abstract
A batch and continuous process is disclosed for the production of a composition comprising alkali metal salts of C8-C22 alkyl fatty monocarboxylic acid and C8-C22 acyl isethionate in a ratio of 20:1 to 1:0.98. Both batch and continuous routes require that the saponifying aqueous caustic solution includes sodium hydroxide and sodium isethionate added as a hot solution. For the batch route, the sequence of steps requires the caustic solution to be added slowly to the fatty acid. In the continuous process, it is advantageous to introduce fatty acid upstream from the point where the caustic solution stream enters the mixing chamber.
Addition of the acyl isethionate either precedes addition of caustic solution, which then is added at a temperature of at least 80°C, or else is subsequent to addition of caustic solution.
Addition of the acyl isethionate either precedes addition of caustic solution, which then is added at a temperature of at least 80°C, or else is subsequent to addition of caustic solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002040451A CA2040451C (en) | 1988-05-03 | 1991-04-15 | Process for preparing soap-acyl isethionate compositions |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18994088A | 1988-05-03 | 1988-05-03 | |
| US32560289A | 1989-03-20 | 1989-03-20 | |
| AU74125/91A AU643767B2 (en) | 1988-05-03 | 1991-04-08 | Process for preparing soap-acyl isethionate compositions |
| CA002040451A CA2040451C (en) | 1988-05-03 | 1991-04-15 | Process for preparing soap-acyl isethionate compositions |
| JP3090791A JP2763969B2 (en) | 1988-05-03 | 1991-04-22 | Method for producing soap-acyl isethionate composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2040451A1 true CA2040451A1 (en) | 1992-10-16 |
| CA2040451C CA2040451C (en) | 1998-06-09 |
Family
ID=27507217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002040451A Expired - Fee Related CA2040451C (en) | 1988-05-03 | 1991-04-15 | Process for preparing soap-acyl isethionate compositions |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2040451C (en) |
-
1991
- 1991-04-15 CA CA002040451A patent/CA2040451C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2040451C (en) | 1998-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |