RO102641A2 - Purification method of 2-acrylamido-2-methylpropane-1-sulphonic monomer acid - Google Patents
Purification method of 2-acrylamido-2-methylpropane-1-sulphonic monomer acidInfo
- Publication number
- RO102641A2 RO102641A2 RO1988133954A RO13395488A RO102641A2 RO 102641 A2 RO102641 A2 RO 102641A2 RO 1988133954 A RO1988133954 A RO 1988133954A RO 13395488 A RO13395488 A RO 13395488A RO 102641 A2 RO102641 A2 RO 102641A2
- Authority
- RO
- Romania
- Prior art keywords
- methylpropane
- acrylamido
- purification method
- monomer acid
- acid
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The process comprises washing 2-methyl propane-1-sulphonic acid in two or three stages with acetic acid. The mix ratio of the acetic acid and the monomer is 2.0 to 1. The process removes the sulphuric acid impurity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO133954A RO102641B1 (en) | 1988-06-13 | 1988-06-13 | Purification method of 2-acrylamido-2-methylpropane-1-sulphonic monomer acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RO133954A RO102641B1 (en) | 1988-06-13 | 1988-06-13 | Purification method of 2-acrylamido-2-methylpropane-1-sulphonic monomer acid |
Publications (2)
Publication Number | Publication Date |
---|---|
RO102641A2 true RO102641A2 (en) | 1991-09-24 |
RO102641B1 RO102641B1 (en) | 1991-11-29 |
Family
ID=20121886
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RO133954A RO102641B1 (en) | 1988-06-13 | 1988-06-13 | Purification method of 2-acrylamido-2-methylpropane-1-sulphonic monomer acid |
Country Status (1)
Country | Link |
---|---|
RO (1) | RO102641B1 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102452965A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Method for removing polymerization inhibitor in AMPS (2-acrylamide-2-methyl propanesulfonic acid) raw material |
CN102952051A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and refining method thereof |
CN102952050A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and refining method thereof |
CN103664708A (en) * | 2012-09-07 | 2014-03-26 | 中国石油化工股份有限公司 | Refining method of 2-acrylamidyl-2-methul propanesulfonic acid coarse product and product thereof |
EP3023413B1 (en) | 2013-06-06 | 2019-07-03 | Mei, Longyi | Method for purifying acrylamide alkyl sulfonic acid |
-
1988
- 1988-06-13 RO RO133954A patent/RO102641B1/en unknown
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102452965A (en) * | 2010-10-22 | 2012-05-16 | 中国石油化工股份有限公司 | Method for removing polymerization inhibitor in AMPS (2-acrylamide-2-methyl propanesulfonic acid) raw material |
CN102452965B (en) * | 2010-10-22 | 2013-08-14 | 中国石油化工股份有限公司 | Method for removing polymerization inhibitor in AMPS (2-acrylamide-2-methyl propanesulfonic acid) raw material |
CN102952051A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and refining method thereof |
CN102952050A (en) * | 2011-08-30 | 2013-03-06 | 中国石油化工股份有限公司 | 2-acrylamide-2-methylpropanesulfonic acid (AMPS) and refining method thereof |
CN103664708A (en) * | 2012-09-07 | 2014-03-26 | 中国石油化工股份有限公司 | Refining method of 2-acrylamidyl-2-methul propanesulfonic acid coarse product and product thereof |
CN103664708B (en) * | 2012-09-07 | 2016-05-25 | 中国石油化工股份有限公司 | Process for purification of the thick product of a kind of 2-acrylamide-2-methylpro panesulfonic acid and products thereof |
EP3023413B1 (en) | 2013-06-06 | 2019-07-03 | Mei, Longyi | Method for purifying acrylamide alkyl sulfonic acid |
Also Published As
Publication number | Publication date |
---|---|
RO102641B1 (en) | 1991-11-29 |
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