ATE510835T1 - Verfahren zur aufreinigung von dianhydriden - Google Patents
Verfahren zur aufreinigung von dianhydridenInfo
- Publication number
- ATE510835T1 ATE510835T1 AT07751720T AT07751720T ATE510835T1 AT E510835 T1 ATE510835 T1 AT E510835T1 AT 07751720 T AT07751720 T AT 07751720T AT 07751720 T AT07751720 T AT 07751720T AT E510835 T1 ATE510835 T1 AT E510835T1
- Authority
- AT
- Austria
- Prior art keywords
- phase transfer
- transfer catalyst
- dianhydride compound
- oxybisphthalic
- nanometers
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title abstract 2
- 150000008064 anhydrides Chemical class 0.000 abstract 3
- -1 dianhydride compound Chemical class 0.000 abstract 3
- 239000003444 phase transfer catalyst Substances 0.000 abstract 3
- 239000011148 porous material Substances 0.000 abstract 3
- 239000003463 adsorbent Substances 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 230000001186 cumulative effect Effects 0.000 abstract 1
- 125000006159 dianhydride group Chemical group 0.000 abstract 1
- 239000000543 intermediate Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 229920001601 polyetherimide Polymers 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D407/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00
- C07D407/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings
- C07D407/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having oxygen atoms as the only ring hetero atoms, not provided for by group C07D405/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Furan Compounds (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/603,764 US7446214B2 (en) | 2005-09-23 | 2006-11-22 | Method for purifying oxybisphthalic anhydrides |
| PCT/US2007/004982 WO2008063207A1 (en) | 2006-11-22 | 2007-02-27 | Method for purifying dianhydrides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE510835T1 true ATE510835T1 (de) | 2011-06-15 |
Family
ID=38577609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT07751720T ATE510835T1 (de) | 2006-11-22 | 2007-02-27 | Verfahren zur aufreinigung von dianhydriden |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US7446214B2 (de) |
| EP (1) | EP2094691B1 (de) |
| AT (1) | ATE510835T1 (de) |
| TW (1) | TW200823184A (de) |
| WO (1) | WO2008063207A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7674920B2 (en) * | 2008-03-28 | 2010-03-09 | Sabic Innovative Plastics Ip B.V. | Methods for preparing oxydiphthalic anhydrides, oxydiphthalic anhydrides prepared thereby, and polyetherimides derived therefrom |
| CN102046619A (zh) * | 2008-03-28 | 2011-05-04 | 沙伯基础创新塑料知识产权有限公司 | 纯化二酐的方法,由此形成的二酐,和由其得到的聚醚酰亚胺 |
| US8013173B2 (en) * | 2008-03-28 | 2011-09-06 | Sabic Innovative Plastics Ip B.V. | Method of purifying dianhydrides, the dianhydrides formed thereby, and polyetherimides formed therefrom |
| JP2022519809A (ja) * | 2019-01-31 | 2022-03-25 | エスエイチピーピー グローバル テクノロジーズ べスローテン フェンノートシャップ | ビフェノール二酸無水物組成物の製造法、ビフェノール二酸無水物組成物の精製法、およびビフェノール二酸無水物から誘導したポリ（エーテルイミド） |
| US12448361B2 (en) | 2019-01-31 | 2025-10-21 | Shpp Global Technologies B.V. | Method for purification of a bisphenol a dianhydride composition, bisphenol a dianhydride composition, poly(etherimide) derived from the bisphenol a dianhydride composition, and articles prepared therefrom |
| JP2022518951A (ja) * | 2019-01-31 | 2022-03-17 | エスエイチピーピー グローバル テクノロジーズ べスローテン フェンノートシャップ | ビフェノール二無水物組成物の製造方法、ビフェノール二無水物の精製方法、およびビフェノール二無水物から誘導されるポリ（エーテルイミド） |
| CN114349727B (zh) * | 2022-01-25 | 2022-11-22 | 河北海力香料股份有限公司 | 一种降低3,3’,4,4’-二苯醚二酐合成中醋酸残留的方法 |
| CN115073405B (zh) * | 2022-07-27 | 2023-08-15 | 河北海力恒远新材料股份有限公司 | 一种超痕量高纯联苯醚二酐的制备方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4870194A (en) | 1987-09-28 | 1989-09-26 | Occidental Chemical Corporation | Process for the preparation and recovery of oxdiphthalic anhydrides |
| US4906760A (en) | 1988-08-04 | 1990-03-06 | Hoechst Celanese Corp. | Purification of anhydrides |
| US5081298A (en) | 1990-12-12 | 1992-01-14 | General Electric Company | Bis(pentaalkylguanidinium) alkane salts as phase transfer catalysts |
| US5145971A (en) | 1991-10-25 | 1992-09-08 | Occidental Chemical Corporation | Process for the preparation of oxydiphthalic acid and purified oxydiphthalic anhydride from crude oxydiphthalic anhydride |
| US6028203A (en) | 1998-12-14 | 2000-02-22 | General Electric Company | Phase transfer catalyzed method for prepared oxybisphthalic compounds |
| US6727370B1 (en) | 2003-02-24 | 2004-04-27 | General Electric Company | Method for preparing oxydiphthalic anhydrides using bicarbonate as catalyst |
| US6706897B1 (en) * | 2003-02-24 | 2004-03-16 | General Electric Company | Method for preparing oxydiphthalic anhydrides using guanidinium salt as catalyst |
| US7495113B2 (en) | 2004-12-22 | 2009-02-24 | Sabic Innovative Plastics | Method of purifying dianhydrides |
-
2006
- 2006-11-22 US US11/603,764 patent/US7446214B2/en not_active Expired - Fee Related
-
2007
- 2007-02-27 WO PCT/US2007/004982 patent/WO2008063207A1/en not_active Ceased
- 2007-02-27 AT AT07751720T patent/ATE510835T1/de not_active IP Right Cessation
- 2007-02-27 EP EP07751720A patent/EP2094691B1/de not_active Not-in-force
- 2007-03-01 TW TW096106973A patent/TW200823184A/zh unknown
-
2008
- 2008-09-02 US US12/202,529 patent/US8134016B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP2094691B1 (de) | 2011-05-25 |
| WO2008063207A1 (en) | 2008-05-29 |
| US7446214B2 (en) | 2008-11-04 |
| EP2094691A1 (de) | 2009-09-02 |
| US20080319210A1 (en) | 2008-12-25 |
| TW200823184A (en) | 2008-06-01 |
| US8134016B2 (en) | 2012-03-13 |
| US20070073066A1 (en) | 2007-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |