RU2004114920A - Способ получения слабокислотных катионитов - Google Patents
Способ получения слабокислотных катионитов Download PDFInfo
- Publication number
- RU2004114920A RU2004114920A RU2004114920/04A RU2004114920A RU2004114920A RU 2004114920 A RU2004114920 A RU 2004114920A RU 2004114920/04 A RU2004114920/04 A RU 2004114920/04A RU 2004114920 A RU2004114920 A RU 2004114920A RU 2004114920 A RU2004114920 A RU 2004114920A
- Authority
- RU
- Russia
- Prior art keywords
- saponification
- acid cation
- temperature
- polyacrylonitrile
- low acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J39/00—Cation exchange; Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/08—Use of material as cation exchangers; Treatment of material for improving the cation exchange properties
- B01J39/16—Organic material
- B01J39/18—Macromolecular compounds
- B01J39/20—Macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/44—Preparation of metal salts or ammonium salts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2810/00—Chemical modification of a polymer
- C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Claims (4)
1. Способ получения слабокислотных катионитов омылением сшитого суспензионного полиакрилонитрила щелочным омыляющим агентом, отличающийся тем, что омыление начинают при температуре Т1 в интервале от 70 до 120°С и после достижения степени омыления, составляющей, по меньшей мере 65%, завершают его при температуре Т2 в интервале от 120 до 180°С, причем Т2, как минимум, на 10°С выше, чем Т1.
2. Способ согласно п.1, отличающийся тем, что щелочной агент омыления добавляют в водную суспензию полиакрилонитрила при Т1.
3. Способ согласно пп.1 и 2, отличающийся тем, что суспензионный полиакрилонитрил сшивают простым дивиниловым эфиром или простым поливиниловым эфиром.
4. Способ согласно п.3, отличающийся тем, что в качестве простого дивинилового эфира используют соединение общей формулы (I)
где R означает остаток ряда СnН3n, (СmН2m-О)р-СmH2m или СН2-С6Н4-СН2 и n≥2, m=от 2 до 8 и р≥1.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2003122441 DE10322441A1 (de) | 2003-05-19 | 2003-05-19 | Verfahren zur alkalischen Verseifung vernetzter Acrylnitrilperlpolymerisate |
| DE10322441.6 | 2003-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2004114920A true RU2004114920A (ru) | 2005-10-27 |
Family
ID=33185719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2004114920/04A RU2004114920A (ru) | 2003-05-19 | 2004-05-18 | Способ получения слабокислотных катионитов |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US7166645B2 (ru) |
| EP (1) | EP1486512B1 (ru) |
| JP (1) | JP2004346319A (ru) |
| KR (1) | KR20040100940A (ru) |
| CN (1) | CN100341903C (ru) |
| AT (1) | ATE350408T1 (ru) |
| CA (1) | CA2467314A1 (ru) |
| DE (2) | DE10322441A1 (ru) |
| RU (1) | RU2004114920A (ru) |
| TW (1) | TW200505575A (ru) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005035616A1 (de) * | 2005-07-29 | 2007-02-08 | Lanxess Deutschland Gmbh | Monodisperse Kationenaustauscher |
| DE102005040625A1 (de) * | 2005-08-27 | 2007-03-01 | Lanxess Deutschland Gmbh | Schwachsaure Kationenaustauscher |
| DE102007009072A1 (de) | 2007-02-24 | 2008-08-28 | Lanxess Deutschland Gmbh | Monodisperse schwachsaure Kationenaustauscher |
| DE102007009073A1 (de) | 2007-02-24 | 2008-08-28 | Lanxess Deutschland Gmbh | Schwachsaure Kationenaustauscher |
| CN102659968A (zh) * | 2012-05-17 | 2012-09-12 | 定南县松源化工有限责任公司 | 一种丙烯酸弱酸性阳离子交换树脂的水解工艺 |
| DE102014012470A1 (de) * | 2014-08-21 | 2016-02-25 | Daimler Ag | Verfahren zur Herstellung eines Separatormaterials und Separatormaterial |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2812317A (en) * | 1953-08-19 | 1957-11-05 | Monsanto Chemicals | Hydrolyzed polyacrylonitrile polymers and process of preparing same |
| DE1207086B (de) * | 1961-09-06 | 1965-12-16 | Bayer Ag | Verfahren zur Herstellung von Abwandlungsprodukten des Polyacrylnitrils |
| US3544488A (en) * | 1966-09-22 | 1970-12-01 | Bayer Ag | Cross-linked acrylonitrile copolymers and ion exchangers made therefrom |
| DE3123290A1 (de) * | 1981-06-12 | 1982-12-30 | Cassella Ag, 6000 Frankfurt | Verbessertes verfahren zur alkalischen verseifung von pan |
| US4558100A (en) * | 1984-07-03 | 1985-12-10 | Grain Processing Corporation | Absorbent compositions |
| DE3922201A1 (de) | 1989-07-06 | 1991-01-17 | Bayer Ag | Verfahren zur herstellung von schwachsauren kationenaustauschharzen |
| DE19962935A1 (de) | 1999-12-24 | 2001-06-28 | Bayer Ag | Verfahren zur Herstellung von vernetzten Ionenaustauschern auf Basis von ungesättigten, aliphatischen Nitrilen |
| ITRM20010023A1 (it) | 2000-02-07 | 2002-07-19 | Bayer Ag | Composti polimerizzati solubili in acqua a base di derivati acrilici o metacrilici. |
-
2003
- 2003-05-19 DE DE2003122441 patent/DE10322441A1/de not_active Withdrawn
-
2004
- 2004-04-21 US US10/830,324 patent/US7166645B2/en active Active
- 2004-05-06 AT AT04010764T patent/ATE350408T1/de not_active IP Right Cessation
- 2004-05-06 EP EP04010764A patent/EP1486512B1/de not_active Expired - Lifetime
- 2004-05-06 DE DE502004002499T patent/DE502004002499D1/de not_active Expired - Fee Related
- 2004-05-14 CA CA002467314A patent/CA2467314A1/en not_active Abandoned
- 2004-05-18 KR KR1020040035011A patent/KR20040100940A/ko not_active Application Discontinuation
- 2004-05-18 RU RU2004114920/04A patent/RU2004114920A/ru not_active Application Discontinuation
- 2004-05-18 TW TW093113885A patent/TW200505575A/zh unknown
- 2004-05-18 JP JP2004148229A patent/JP2004346319A/ja not_active Withdrawn
- 2004-05-19 CN CNB2004100456415A patent/CN100341903C/zh not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| KR20040100940A (ko) | 2004-12-02 |
| US20050090621A1 (en) | 2005-04-28 |
| ATE350408T1 (de) | 2007-01-15 |
| CN1550508A (zh) | 2004-12-01 |
| EP1486512A1 (de) | 2004-12-15 |
| JP2004346319A (ja) | 2004-12-09 |
| TW200505575A (en) | 2005-02-16 |
| CA2467314A1 (en) | 2004-11-19 |
| CN100341903C (zh) | 2007-10-10 |
| EP1486512B1 (de) | 2007-01-03 |
| DE502004002499D1 (de) | 2007-02-15 |
| DE10322441A1 (de) | 2004-12-09 |
| US7166645B2 (en) | 2007-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20080801 |