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
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 (xx) |
BE (1) | BE641446A (xx) |
CH (1) | CH435737A (xx) |
DE (1) | DE1209746B (xx) |
FR (1) | FR1383281A (xx) |
GB (1) | GB994251A (xx) |
NL (1) | NL302116A (xx) |
SE (1) | SE304606B (xx) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL196512A (xx) * | 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 SE SE13566/63A patent/SE304606B/xx unknown
- 1963-12-06 GB GB48307/63A patent/GB994251A/en not_active Expired
- 1963-12-17 AT AT1012263A patent/AT251282B/de active
- 1963-12-18 BE BE641446D patent/BE641446A/xx unknown
- 1963-12-18 FR FR957562A patent/FR1383281A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE304606B (xx) | 1968-09-30 |
CH435737A (de) | 1967-05-15 |
AT251282B (de) | 1966-12-27 |
FR1383281A (fr) | 1964-12-24 |
DE1209746B (de) | 1966-01-27 |
BE641446A (xx) | 1964-04-16 |
NL302116A (xx) |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
ES434712A1 (es) | Procedimiento para la preparacion de 2, 5-dimetil-3-(-2h)- furanona. | |
GB994251A (en) | A process for the acetylation of high molecular weight polyoxymethylenes | |
GB1071350A (en) | Process for the preparation of high purity terephthalic acid | |
GB1153560A (en) | Improved Cellulose Triacetate and process for its production | |
GB880737A (en) | Process for esterifying polyoxymethylene glycol with vapours of an organic carboxylic acid anhydride | |
ES343513A1 (es) | Un procedimiento para la preparacion de 1,6-dimetil-10 alfa-ergolina. | |
ES220736A1 (es) | Un procedimiento para preparar una oxima de una acetona ciclica | |
GB1238942A (xx) | ||
JPS51119088A (en) | Method for preparing a low molecular weight cellulose ester | |
ES385533A1 (es) | Procedimiento para modificar el material queratinoso. | |
GB994254A (en) | A process for the preparation of acylated high molecular weight polyoxymethylenes | |
KR830004206A (ko) | 이소류우신의 정제방법 | |
GB1112250A (en) | Treatment of fibrous polyoxymethylene | |
FR1605228A (en) | 1-methyl-2-isopropyl-5-nitroimidazole for treating turkey blackhead an - ti-protozoal | |
ES428937A1 (es) | Un procedimiento mejorado para la purificacion de acido sulfurico acuoso. | |
GB1128787A (en) | Processes for the preparation of unsaturated 19-nor-steroids | |
ES273398A1 (es) | Procedimiento para la acetilación de combinaciones orgánicas por medio de anhídrido acético asociado al ácido dioctilfosfórico como catalizador | |
GB1298175A (en) | Extraction of sulfur compounds from pulverized coal | |
GB897275A (en) | Production of acrylonitrile cyclic dimer | |
GB1425309A (en) | Process for the preparation of 5-nitro-1,4-naphthoquinone | |
GB1199041A (en) | Purification of Phosphoric Acid | |
ES431788A1 (es) | Procedimiento de fabricacion de 1, 3-bis (b-etil-hexil)-5- amino-5-metil-hexahidropririmidina muy pura. | |
GB1328060A (en) | Process for the production of purified diphenylsulphone-4,4- dicarboxylic acid | |
GB939472A (en) | Formaldehyde polymers | |
ES273375A1 (es) | Procedimiento para purificar sales organicas |