ITRM930259A0 - Procedimento per la purificazione e stabilizzazione di perfluoropolieteri. - Google Patents
Procedimento per la purificazione e stabilizzazione di perfluoropolieteri.Info
- Publication number
- ITRM930259A0 ITRM930259A0 ITRM930259A ITRM930259A ITRM930259A0 IT RM930259 A0 ITRM930259 A0 IT RM930259A0 IT RM930259 A ITRM930259 A IT RM930259A IT RM930259 A ITRM930259 A IT RM930259A IT RM930259 A0 ITRM930259 A0 IT RM930259A0
- Authority
- IT
- Italy
- Prior art keywords
- perfluoropolyeters
- stabilization
- purification
- procedure
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- 230000006641 stabilisation Effects 0.000 title 1
- 238000011105 stabilization Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/34—Separation; Purification; Stabilisation; Use of additives
- C07C41/44—Separation; Purification; Stabilisation; Use of additives by treatments giving rise to a chemical modification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
- C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
- C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
- Polyethers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4213642A DE4213642A1 (de) | 1992-04-25 | 1992-04-25 | Verfahren zur Reinigung und Stabilisierung von Perfluorpolyethern |
Publications (3)
Publication Number | Publication Date |
---|---|
ITRM930259A0 true ITRM930259A0 (it) | 1993-04-23 |
ITRM930259A1 ITRM930259A1 (it) | 1994-10-23 |
IT1261453B IT1261453B (it) | 1996-05-23 |
Family
ID=6457467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITRM930259A IT1261453B (it) | 1992-04-25 | 1993-04-23 | Procedimento per la purificazione e stabilizzazione di perfluoropolieteri. |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPH0649199A (it) |
DE (1) | DE4213642A1 (it) |
IT (1) | IT1261453B (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8193397B2 (en) * | 2006-12-06 | 2012-06-05 | 3M Innovative Properties Company | Hydrofluoroether compounds and processes for their preparation and use |
KR101710735B1 (ko) * | 2008-09-01 | 2017-03-08 | 바스프 에스이 | 탄화수소성 가스를 탈황시키기 위한 흡착제 물질 및 방법 |
-
1992
- 1992-04-25 DE DE4213642A patent/DE4213642A1/de not_active Withdrawn
-
1993
- 1993-04-23 JP JP5098103A patent/JPH0649199A/ja not_active Withdrawn
- 1993-04-23 IT ITRM930259A patent/IT1261453B/it active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
DE4213642A1 (de) | 1993-10-28 |
ITRM930259A1 (it) | 1994-10-23 |
IT1261453B (it) | 1996-05-23 |
JPH0649199A (ja) | 1994-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |