GB796862A - Improvements in or relating to the preparation of high molecular weight linear polymers of formaldehyde - Google Patents
Improvements in or relating to the preparation of high molecular weight linear polymers of formaldehydeInfo
- Publication number
- GB796862A GB796862A GB735156A GB735156A GB796862A GB 796862 A GB796862 A GB 796862A GB 735156 A GB735156 A GB 735156A GB 735156 A GB735156 A GB 735156A GB 796862 A GB796862 A GB 796862A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formaldehyde
- molecular weight
- polymerization
- formic acid
- medium
- 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
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 16
- 229920000642 polymer Polymers 0.000 title abstract 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 abstract 6
- 235000019256 formaldehyde Nutrition 0.000 abstract 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 abstract 3
- 235000019253 formic acid Nutrition 0.000 abstract 3
- 238000006116 polymerization reaction Methods 0.000 abstract 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 abstract 2
- 239000012986 chain transfer agent Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 239000005695 Ammonium acetate Substances 0.000 abstract 1
- 239000004215 Carbon black (E152) Substances 0.000 abstract 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 abstract 1
- 229940043376 ammonium acetate Drugs 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000003776 cleavage reaction Methods 0.000 abstract 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
- -1 heptane Chemical class 0.000 abstract 1
- 229930195733 hydrocarbon Natural products 0.000 abstract 1
- 150000002430 hydrocarbons Chemical class 0.000 abstract 1
- 229910052739 hydrogen Inorganic materials 0.000 abstract 1
- 239000001257 hydrogen Substances 0.000 abstract 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 abstract 1
- 239000002685 polymerization catalyst Substances 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 239000012429 reaction media Substances 0.000 abstract 1
- 230000007017 scission Effects 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000003760 tallow Substances 0.000 abstract 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
- C08G2/04—Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
-
- 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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US49532355A | 1955-03-18 | 1955-03-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB796862A true GB796862A (en) | 1958-06-18 |
Family
ID=23968196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB735156A Expired GB796862A (en) | 1955-03-18 | 1956-03-08 | Improvements in or relating to the preparation of high molecular weight linear polymers of formaldehyde |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE556300A (enrdf_load_stackoverflow) |
| DE (1) | DE1420637A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1152633A (enrdf_load_stackoverflow) |
| GB (1) | GB796862A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119789A (en) * | 1959-07-29 | 1964-01-28 | Stamicarbon | Process for preparing high molecular weight formaldehyde polymers |
| DE1166476B (de) * | 1961-05-12 | 1964-03-26 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen bzw. deren Estern oder AEthern |
| DE3123065A1 (de) * | 1980-06-13 | 1982-03-18 | Asahi Kasei Kogyo K.K., Osaka | Polyacetal und verfahren zu seiner herstellung |
-
0
- BE BE556300D patent/BE556300A/xx unknown
-
1956
- 1956-03-08 GB GB735156A patent/GB796862A/en not_active Expired
- 1956-03-14 FR FR1152633D patent/FR1152633A/fr not_active Expired
- 1956-03-16 DE DE19561420637 patent/DE1420637A1/de active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3119789A (en) * | 1959-07-29 | 1964-01-28 | Stamicarbon | Process for preparing high molecular weight formaldehyde polymers |
| DE1166476B (de) * | 1961-05-12 | 1964-03-26 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen bzw. deren Estern oder AEthern |
| DE3123065A1 (de) * | 1980-06-13 | 1982-03-18 | Asahi Kasei Kogyo K.K., Osaka | Polyacetal und verfahren zu seiner herstellung |
Also Published As
| Publication number | Publication date |
|---|---|
| FR1152633A (fr) | 1958-02-21 |
| DE1420637A1 (de) | 1968-10-10 |
| BE556300A (enrdf_load_stackoverflow) |
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