GB1249708A - Improvements in the production of oxymethylene copolymers - Google Patents
Improvements in the production of oxymethylene copolymersInfo
- Publication number
- GB1249708A GB1249708A GB749269A GB749269A GB1249708A GB 1249708 A GB1249708 A GB 1249708A GB 749269 A GB749269 A GB 749269A GB 749269 A GB749269 A GB 749269A GB 1249708 A GB1249708 A GB 1249708A
- Authority
- GB
- United Kingdom
- Prior art keywords
- feb
- salt
- acid
- chain transfer
- polyoxymethylene
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/04—Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
-
- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/06—Catalysts
-
- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
-
- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/18—Copolymerisation of aldehydes or ketones
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70451668A | 1968-02-12 | 1968-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1249708A true GB1249708A (en) | 1971-10-13 |
Family
ID=24829850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB749269A Expired GB1249708A (en) | 1968-02-12 | 1969-02-12 | Improvements in the production of oxymethylene copolymers |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE728304A (de) |
| DE (1) | DE1906849A1 (de) |
| FR (1) | FR2001760A1 (de) |
| GB (1) | GB1249708A (de) |
| LU (1) | LU57956A1 (de) |
| NL (1) | NL6902175A (de) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1314286A (fr) * | 1961-02-15 | 1963-01-04 | Celanese Corp | Polymérisation du trioxane |
| FR1474431A (fr) * | 1965-04-01 | 1967-03-24 | Celanese Corp | Procédé de fabrication de polymères d'oxyméthylène |
-
1969
- 1969-01-10 LU LU57956D patent/LU57956A1/xx unknown
- 1969-02-12 GB GB749269A patent/GB1249708A/en not_active Expired
- 1969-02-12 DE DE19691906849 patent/DE1906849A1/de active Pending
- 1969-02-12 NL NL6902175A patent/NL6902175A/xx unknown
- 1969-02-12 BE BE728304D patent/BE728304A/xx unknown
- 1969-02-12 FR FR6903324A patent/FR2001760A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2001760A1 (fr) | 1969-10-03 |
| NL6902175A (de) | 1969-08-14 |
| DE1906849A1 (de) | 1969-09-18 |
| LU57956A1 (de) | 1969-05-22 |
| FR2001760B1 (de) | 1973-10-19 |
| BE728304A (de) | 1969-08-12 |
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