FR77809E - Process for preparing very high molecular weight polyoxymethylenes by polymerization of formaldehyde - Google Patents
Process for preparing very high molecular weight polyoxymethylenes by polymerization of formaldehydeInfo
- Publication number
- FR77809E FR77809E FR829234A FR829234A FR77809E FR 77809 E FR77809 E FR 77809E FR 829234 A FR829234 A FR 829234A FR 829234 A FR829234 A FR 829234A FR 77809 E FR77809 E FR 77809E
- Authority
- FR
- France
- Prior art keywords
- formaldehyde
- polymerization
- preparing
- molecular weight
- high molecular
- 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
-
- 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
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR829234A FR77809E (en) | 1959-04-18 | 1960-06-07 | Process for preparing very high molecular weight polyoxymethylenes by polymerization of formaldehyde |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DED30477A DE1157395B (en) | 1959-04-18 | 1959-04-18 | Process for the preparation of eupolyoxymethylenes |
DED30845A DE1180519B (en) | 1959-04-18 | 1959-06-12 | Process for the preparation of eupolyoxymethylenes |
FR829234A FR77809E (en) | 1959-04-18 | 1960-06-07 | Process for preparing very high molecular weight polyoxymethylenes by polymerization of formaldehyde |
Publications (1)
Publication Number | Publication Date |
---|---|
FR77809E true FR77809E (en) | 1962-04-27 |
Family
ID=31720920
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR829234A Expired FR77809E (en) | 1959-04-18 | 1960-06-07 | Process for preparing very high molecular weight polyoxymethylenes by polymerization of formaldehyde |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR77809E (en) |
-
1960
- 1960-06-07 FR FR829234A patent/FR77809E/en not_active Expired
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