CH359288A - Verfahren zur Polymerisation von Formaldehyd zu hochmolekularen Polyoxymethylenen - Google Patents
Verfahren zur Polymerisation von Formaldehyd zu hochmolekularen PolyoxymethylenenInfo
- Publication number
- CH359288A CH359288A CH359288DA CH359288A CH 359288 A CH359288 A CH 359288A CH 359288D A CH359288D A CH 359288DA CH 359288 A CH359288 A CH 359288A
- Authority
- CH
- Switzerland
- Prior art keywords
- formaldehyde
- polymerization
- molecular weight
- high molecular
- give high
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title 3
- 238000000034 method Methods 0.000 title 1
- 238000006116 polymerization reaction Methods 0.000 title 1
- 229920006324 polyoxymethylene Polymers 0.000 title 1
- -1 polyoxymethylenes Polymers 0.000 title 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
- C08G2/08—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
- C08G2/06—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
- C08G2/18—Copolymerisation of aldehydes or ketones
-
- 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
- C08G2/28—Post-polymerisation treatments
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52187855A | 1955-07-13 | 1955-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH359288A true CH359288A (de) | 1961-12-31 |
Family
ID=21885598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH359288D CH359288A (de) | 1955-07-13 | 1956-07-12 | Verfahren zur Polymerisation von Formaldehyd zu hochmolekularen Polyoxymethylenen |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2994687A (forum.php) |
| BE (1) | BE556299A (forum.php) |
| CH (1) | CH359288A (forum.php) |
| DE (1) | DE1230219B (forum.php) |
| FR (1) | FR1156879A (forum.php) |
| GB (1) | GB793673A (forum.php) |
| NL (1) | NL103805C (forum.php) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364130A (en) | 1978-11-06 | 1982-12-21 | Inventor Invest Ab | Container for decomposable material such as excrement |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3218295A (en) * | 1955-11-30 | 1965-11-16 | Du Pont | Copolymers of formaldehyde with active hydrogen-containing polymers |
| NL231167A (forum.php) * | 1957-09-06 | 1900-01-01 | ||
| US3126359A (en) * | 1958-12-02 | 1964-03-24 | Process for the polymerization of | |
| US3002952A (en) * | 1959-09-22 | 1961-10-03 | Du Pont | Initiators for the polymerization of formaldehyde |
| BE606474A (forum.php) * | 1960-10-21 | |||
| NL109463C (forum.php) * | 1961-02-01 | |||
| US3081351A (en) * | 1961-06-19 | 1963-03-12 | Polaroid Corp | Novel chemical synthesis for alkylsulfonium perchlorates |
| DE1236779B (de) * | 1963-10-18 | 1967-03-16 | Huels Chemische Werke Ag | Verfahren zur Herstellung hochmolekularer Polyoxymethylene |
| US3459709A (en) * | 1965-07-02 | 1969-08-05 | Sir Soc Italiana Resine Spa | Method of stabilizing polyoxymethylenes |
| US3718630A (en) * | 1970-05-04 | 1973-02-27 | Du Pont | Stabilization of polyoxymethylene |
| US3879350A (en) * | 1973-10-26 | 1975-04-22 | Asahi Chemical Ind | Ammonium salts and polymerization of formaldehyde therewith |
| EP0026047B1 (en) * | 1979-08-23 | 1984-04-04 | Ube Industries, Ltd. | Process for polymerizing formaldehyde |
| US4355153A (en) * | 1980-11-19 | 1982-10-19 | Societa' Italiana Resine S.I.R. S.P.A. | Process for the polymerization of formaldehyde |
| US4539387A (en) * | 1984-08-03 | 1985-09-03 | E. I. Du Pont De Nemours And Company | Process for polymerizing formaldehyde |
| US7476718B2 (en) * | 2004-07-01 | 2009-01-13 | E.I. Du Pont De Nemours | Process for producing polyoxymethylene |
| JP5079265B2 (ja) * | 2006-06-13 | 2012-11-21 | ポリプラスチックス株式会社 | 安定化ポリアセタール樹脂の製造方法 |
| WO2008031760A1 (de) * | 2006-09-12 | 2008-03-20 | Basf Se | Ionische flüssigkeiten bei der pom-herstellung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2234548A (en) * | 1937-11-27 | 1941-03-11 | Union Carbide & Carbon Corp | Phenolic resin |
| US2296249A (en) * | 1940-08-26 | 1942-09-22 | Du Pont | Polymers of formaldehyde |
| BE558693A (forum.php) * | 1952-08-30 | |||
| BE558694A (forum.php) * | 1952-08-30 | |||
| FR1088385A (fr) * | 1952-08-30 | 1955-03-07 | Du Pont | Polymérisation de la formaldéhyde |
| NL196512A (forum.php) * | 1954-04-16 |
-
1956
- 1956-06-13 GB GB18326/56A patent/GB793673A/en not_active Expired
- 1956-06-21 FR FR1156879D patent/FR1156879A/fr not_active Expired
- 1956-07-11 NL NL208847A patent/NL103805C/nl active
- 1956-07-11 DE DEP16629A patent/DE1230219B/de active Pending
- 1956-07-12 CH CH359288D patent/CH359288A/de unknown
-
1957
- 1957-03-30 BE BE556299D patent/BE556299A/fr unknown
-
1959
- 1959-01-06 US US785135A patent/US2994687A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4364130A (en) | 1978-11-06 | 1982-12-21 | Inventor Invest Ab | Container for decomposable material such as excrement |
Also Published As
| Publication number | Publication date |
|---|---|
| GB793673A (en) | 1958-04-23 |
| NL103805C (forum.php) | 1963-02-15 |
| FR1156879A (fr) | 1958-05-22 |
| DE1230219B (de) | 1966-12-08 |
| US2994687A (en) | 1961-08-01 |
| BE556299A (forum.php) | 1957-04-15 |
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