CH456153A - Verfahren zur Herstellung makromolekularer Polyoxymethylene - Google Patents
Verfahren zur Herstellung makromolekularer PolyoxymethyleneInfo
- Publication number
- CH456153A CH456153A CH1064365A CH1064365A CH456153A CH 456153 A CH456153 A CH 456153A CH 1064365 A CH1064365 A CH 1064365A CH 1064365 A CH1064365 A CH 1064365A CH 456153 A CH456153 A CH 456153A
- Authority
- CH
- Switzerland
- Prior art keywords
- polyoxymethylenes
- macromolecular
- preparation
- macromolecular 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
- 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
- C08G2/12—Polymerisation of acetaldehyde or cyclic oligomers thereof
-
- 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
- C08G2/14—Polymerisation of single aldehydes not provided for in groups C08G2/08 - C08G2/12
-
- 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
- C08G2/16—Polymerisation of single ketones
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6408845A NL6408845A (de) | 1964-08-01 | 1964-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH456153A true CH456153A (de) | 1968-05-15 |
Family
ID=19790671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1064365A CH456153A (de) | 1964-08-01 | 1965-07-29 | Verfahren zur Herstellung makromolekularer Polyoxymethylene |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3419530A (de) |
| BE (1) | BE667619A (de) |
| CH (1) | CH456153A (de) |
| DE (1) | DE1645451A1 (de) |
| GB (1) | GB1106534A (de) |
| NL (1) | NL6408845A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3066423D1 (en) * | 1979-11-06 | 1984-03-08 | Ube Industries | Process for polymerizing formaldehyde |
| US4399272A (en) * | 1979-11-15 | 1983-08-16 | Asahi Kasei Kogyo Kabushiki Kaisha | Process for producing polyacetal copolymers |
| DE19810087A1 (de) | 1998-03-10 | 1999-09-16 | Ticona Gmbh | Verfahren zur nicht oxidativen Herstellung von Formaldehyd aus Methanol |
| DE19839740A1 (de) * | 1998-09-01 | 2000-03-02 | Aventis Res & Tech Gmbh & Co | Verfahren zur nicht-oxidativen Herstellung von Formaldehyd aus Methanol |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2768994A (en) * | 1952-08-30 | 1956-10-30 | Du Pont | Polyoxymethylenes |
| US3194789A (en) * | 1961-02-06 | 1965-07-13 | Kanegafuchi Spinning Co Ltd | Polymerization of formaldehyde |
| BE612394A (fr) * | 1961-10-14 | 1962-05-02 | Showa Denko Kk | Polymérisation de formaldéhyde. |
-
1964
- 1964-08-01 NL NL6408845A patent/NL6408845A/xx unknown
-
1965
- 1965-07-28 DE DE19651645451 patent/DE1645451A1/de active Pending
- 1965-07-29 GB GB32509/65A patent/GB1106534A/en not_active Expired
- 1965-07-29 BE BE667619D patent/BE667619A/xx unknown
- 1965-07-29 CH CH1064365A patent/CH456153A/de unknown
- 1965-07-30 US US476142A patent/US3419530A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE667619A (de) | 1966-01-31 |
| NL6408845A (de) | 1966-02-02 |
| DE1645451A1 (de) | 1970-10-29 |
| GB1106534A (en) | 1968-03-20 |
| US3419530A (en) | 1968-12-31 |
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