FR1258364A - Process for the preparation of high molecular weight polyethers by polymerization of formaldehyde - Google Patents
Process for the preparation of high molecular weight polyethers by polymerization of formaldehydeInfo
- Publication number
- FR1258364A FR1258364A FR820106A FR820106A FR1258364A FR 1258364 A FR1258364 A FR 1258364A FR 820106 A FR820106 A FR 820106A FR 820106 A FR820106 A FR 820106A FR 1258364 A FR1258364 A FR 1258364A
- Authority
- FR
- France
- Prior art keywords
- formaldehyde
- polymerization
- preparation
- 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
- C08G2/08—Polymerisation 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 |
---|---|---|---|
FR820106A FR1258364A (en) | 1960-03-02 | 1960-03-02 | Process for the preparation of high molecular weight polyethers by polymerization of formaldehyde |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR820106A FR1258364A (en) | 1960-03-02 | 1960-03-02 | Process for the preparation of high molecular weight polyethers by polymerization of formaldehyde |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1258364A true FR1258364A (en) | 1961-04-14 |
Family
ID=8726176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR820106A Expired FR1258364A (en) | 1960-03-02 | 1960-03-02 | Process for the preparation of high molecular weight polyethers by polymerization of formaldehyde |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1258364A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204012A (en) * | 1961-03-29 | 1965-08-31 | Kurashiki Rayon Co | Method of polymerization of formaldehyde |
US3280076A (en) * | 1962-06-13 | 1966-10-18 | Snia Viscosa | Intiators for the polymerization of formaldehyde |
-
1960
- 1960-03-02 FR FR820106A patent/FR1258364A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3204012A (en) * | 1961-03-29 | 1965-08-31 | Kurashiki Rayon Co | Method of polymerization of formaldehyde |
US3280076A (en) * | 1962-06-13 | 1966-10-18 | Snia Viscosa | Intiators for the polymerization of formaldehyde |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR1178211A (en) | High molecular weight unsaturated linear copolymers, and process for their preparation | |
BE597654A (en) | A process for the preparation of linear high molecular weight polyesters. | |
FR1256953A (en) | Process for the preparation of high molecular weight, low monomer polyamides | |
CH401483A (en) | Process for the preparation of vinyl thermoplastics by continuous mass polymerization | |
FR1244686A (en) | Process for the preparation of low molecular weight glycidylpolyethers, polyphenols | |
FR1291788A (en) | Process for the preparation of new polymerization catalysts | |
FR1258364A (en) | Process for the preparation of high molecular weight polyethers by polymerization of formaldehyde | |
FR1244521A (en) | Process for the preparation of high molecular weight polyamides | |
FR1300492A (en) | Preparation of high molecular weight polyoxymethylenes by polymerization of formaldehyde | |
FR1339198A (en) | Process for the preparation of high molecular weight polyoxymethylenes | |
BE605509A (en) | Process for preparing linear high molecular weight organo-silicic acid-arylene polyesters | |
BE616168A (en) | Improved process for the preparation of high molecular weight polyoxymethylene | |
FR1176850A (en) | High molecular weight linear unsaturated polymers and process for their preparation | |
FR1380330A (en) | Process for the preparation of high molecular weight polydodecalactam | |
BE608221A (en) | Preparation of high molecular weight polyoxymethylenes by polymerization of formaldehyde | |
FR1329601A (en) | Process for the preparation of high molecular weight formaldehyde polymers | |
FR1252858A (en) | Process for the preparation of high molecular weight products by polymerization of formaldehyde | |
FR1136159A (en) | Process for the preparation of linear high molecular weight polyamides | |
FR1386247A (en) | Process for the preparation of high molecular weight man-made materials by polyaddition-quaternation | |
FR1369148A (en) | Improved process for the preparation of polyformol by polymerization of trioxane | |
FR1286718A (en) | Process for the preparation of high molecular weight polyethers by polymerization of formaldehyde and products obtained | |
FR1361204A (en) | Process for the preparation of high molecular weight polyketals | |
AU245696B2 (en) | Process for preparing productsof high molecular weight by polymerization of formaldehyde | |
FR1371091A (en) | Process for the preparation of high molecular weight polyoxymethylenes | |
FR1292969A (en) | Process for preparing high molecular weight polymers |