BE705513A - - Google Patents
Info
- Publication number
- BE705513A BE705513A BE705513DA BE705513A BE 705513 A BE705513 A BE 705513A BE 705513D A BE705513D A BE 705513DA BE 705513 A BE705513 A BE 705513A
- Authority
- BE
- Belgium
- Prior art keywords
- water
- mixture
- polymer
- stage
- ether glycol
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/03—Ethers having all ether-oxygen atoms bound to acyclic carbon atoms
- C07C43/04—Saturated ethers
- C07C43/10—Saturated ethers of polyhydroxy compounds
- C07C43/11—Polyethers containing —O—(C—C—O—)n units with ≤ 2 n≤ 10
-
- 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
- C08G65/04—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 from cyclic ethers only
- C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
- C08G65/16—Cyclic ethers having four or more ring atoms
- C08G65/20—Tetrahydrofuran
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyethers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE705513 | 1967-10-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE705513A true BE705513A (d) | 1968-04-23 |
Family
ID=3851710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE705513D BE705513A (d) | 1967-10-23 | 1967-10-23 |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE705513A (d) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2361433A1 (fr) * | 1976-03-31 | 1978-03-10 | Du Pont | Preparation de poly(tetramethylene ether) glycol a partir d'esters de celui-ci |
-
1967
- 1967-10-23 BE BE705513D patent/BE705513A/fr unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2361433A1 (fr) * | 1976-03-31 | 1978-03-10 | Du Pont | Preparation de poly(tetramethylene ether) glycol a partir d'esters de celui-ci |
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