GB994251A - A process for the acetylation of high molecular weight polyoxymethylenes - Google Patents
A process for the acetylation of high molecular weight polyoxymethylenesInfo
- Publication number
- GB994251A GB994251A GB48307/63A GB4830763A GB994251A GB 994251 A GB994251 A GB 994251A GB 48307/63 A GB48307/63 A GB 48307/63A GB 4830763 A GB4830763 A GB 4830763A GB 994251 A GB994251 A GB 994251A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acetic anhydride
- molecular weight
- acetylation
- high molecular
- 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
- 229920006324 polyoxymethylene Polymers 0.000 title abstract 3
- -1 polyoxymethylenes Polymers 0.000 title abstract 3
- 230000021736 acetylation Effects 0.000 title abstract 2
- 238000006640 acetylation reaction Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title 1
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 abstract 12
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 abstract 6
- 229930040373 Paraformaldehyde Natural products 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
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
- C08G2/06—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
- C08G2/30—Chemical modification by after-treatment
- C08G2/32—Chemical modification by after-treatment by esterification
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF38684A DE1209746B (de) | 1962-12-29 | 1962-12-29 | Verfahren zur Herstellung von acetylierten Polyoxymethylenen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB994251A true GB994251A (en) | 1965-06-02 |
Family
ID=7097453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB48307/63A Expired GB994251A (en) | 1962-12-29 | 1963-12-06 | A process for the acetylation of high molecular weight polyoxymethylenes |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT251282B (enrdf_load_stackoverflow) |
| BE (1) | BE641446A (enrdf_load_stackoverflow) |
| CH (1) | CH435737A (enrdf_load_stackoverflow) |
| DE (1) | DE1209746B (enrdf_load_stackoverflow) |
| FR (1) | FR1383281A (enrdf_load_stackoverflow) |
| GB (1) | GB994251A (enrdf_load_stackoverflow) |
| NL (1) | NL302116A (enrdf_load_stackoverflow) |
| SE (1) | SE304606B (enrdf_load_stackoverflow) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL196512A (enrdf_load_stackoverflow) * | 1954-04-16 |
-
0
- NL NL302116D patent/NL302116A/xx unknown
-
1962
- 1962-12-29 DE DEF38684A patent/DE1209746B/de active Pending
-
1963
- 1963-11-18 CH CH1407863A patent/CH435737A/de unknown
- 1963-12-06 GB GB48307/63A patent/GB994251A/en not_active Expired
- 1963-12-06 SE SE13566/63A patent/SE304606B/xx unknown
- 1963-12-17 AT AT1012263A patent/AT251282B/de active
- 1963-12-18 FR FR957562A patent/FR1383281A/fr not_active Expired
- 1963-12-18 BE BE641446D patent/BE641446A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL302116A (enrdf_load_stackoverflow) | |
| BE641446A (enrdf_load_stackoverflow) | 1964-04-16 |
| AT251282B (de) | 1966-12-27 |
| FR1383281A (fr) | 1964-12-24 |
| CH435737A (de) | 1967-05-15 |
| SE304606B (enrdf_load_stackoverflow) | 1968-09-30 |
| DE1209746B (de) | 1966-01-27 |
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