BE608622A - Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé - Google Patents
Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevéInfo
- Publication number
- BE608622A BE608622A BE608622A BE608622A BE608622A BE 608622 A BE608622 A BE 608622A BE 608622 A BE608622 A BE 608622A BE 608622 A BE608622 A BE 608622A BE 608622 A BE608622 A BE 608622A
- Authority
- BE
- Belgium
- Prior art keywords
- molecular weight
- high molecular
- manufacturing high
- weight polyoxymethylenes
- polyoxymethylenes
- Prior art date
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
-
- 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
- C08G2/08—Polymerisation 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
- C08G2/30—Chemical modification by after-treatment
- C08G2/32—Chemical modification by after-treatment by esterification
-
- 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
- C08G2/34—Chemical modification by after-treatment by etherification
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 |
---|---|---|---|
DEF32227A DE1166475B (de) | 1960-09-29 | 1960-09-29 | Verfahren zur Herstellung von veresterten oder veraetherten hochmolekularen Polyoxymethylenen |
Publications (1)
Publication Number | Publication Date |
---|---|
BE608622A true BE608622A (fr) | 1962-03-28 |
Family
ID=7094549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE608622A BE608622A (fr) | 1960-09-29 | 1961-09-28 | Procédé de fabrication de polyoxyméthylènes de poids moléculaire élevé |
Country Status (6)
Country | Link |
---|---|
US (1) | US3232906A (fr) |
BE (1) | BE608622A (fr) |
CH (1) | CH429181A (fr) |
DE (1) | DE1166475B (fr) |
GB (1) | GB924464A (fr) |
NL (1) | NL269640A (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1172851B (de) * | 1962-10-13 | 1964-06-25 | Bayer Ag | Verfahren zur Herstellung von hoch-molekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1173650B (de) * | 1962-10-13 | 1964-07-09 | Bayer Ag | Verfahren zur Herstellung von hoch-molekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1173651B (de) * | 1962-10-13 | 1964-07-09 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1174986B (de) * | 1962-10-13 | 1964-07-30 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1176859B (de) * | 1962-10-13 | 1964-08-27 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE635478A (fr) * | 1962-07-27 | |||
US3470135A (en) * | 1965-07-08 | 1969-09-30 | Asahi Chemical Ind | Process for the preparation of polyacetal resin |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2395307A (en) * | 1943-10-06 | 1946-02-19 | Du Pont | Preparation of organic salts |
US2998409A (en) * | 1954-04-16 | 1961-08-29 | Du Pont | Polyoxymethylene carboxylates of improved thermal stability |
NL196512A (fr) * | 1954-04-16 | |||
US3017389A (en) * | 1955-03-18 | 1962-01-16 | Du Pont | Process of controlling the molecular weight of linear formaldehyde polymers |
DE1228416B (de) * | 1957-03-04 | 1966-11-10 | Boehringer Sohn Ingelheim | Verfahren zur Herstellung von Polyestern |
US2989505A (en) * | 1957-10-21 | 1961-06-20 | Celanese Corp | Suspension polymerization |
US2964500A (en) * | 1958-09-29 | 1960-12-13 | Du Pont | Preparation of formaldehyde polymers with improved thermal stability |
US3005799A (en) * | 1959-05-18 | 1961-10-24 | Bayer Ag | Polymerization of formaldehyde |
US3135718A (en) * | 1960-04-19 | 1964-06-02 | Bayer Ag | Polymerization of formaldehyde |
-
0
- NL NL269640D patent/NL269640A/xx unknown
-
1960
- 1960-09-29 DE DEF32227A patent/DE1166475B/de active Pending
-
1961
- 1961-07-21 CH CH865561A patent/CH429181A/de unknown
- 1961-09-19 US US139053A patent/US3232906A/en not_active Expired - Lifetime
- 1961-09-22 GB GB34058/61A patent/GB924464A/en not_active Expired
- 1961-09-28 BE BE608622A patent/BE608622A/fr unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1172851B (de) * | 1962-10-13 | 1964-06-25 | Bayer Ag | Verfahren zur Herstellung von hoch-molekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1173650B (de) * | 1962-10-13 | 1964-07-09 | Bayer Ag | Verfahren zur Herstellung von hoch-molekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1173651B (de) * | 1962-10-13 | 1964-07-09 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1174986B (de) * | 1962-10-13 | 1964-07-30 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
DE1176859B (de) * | 1962-10-13 | 1964-08-27 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen oder deren Estern bzw. AEthern |
Also Published As
Publication number | Publication date |
---|---|
US3232906A (en) | 1966-02-01 |
GB924464A (en) | 1963-04-24 |
DE1166475B (de) | 1964-03-26 |
NL269640A (fr) | |
CH429181A (de) | 1967-01-31 |
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