DE2443451A1 - Verfahren zum herstellen von prepolymer fuer die kontinuierliche polykondensation von polyestern - Google Patents
Verfahren zum herstellen von prepolymer fuer die kontinuierliche polykondensation von polyesternInfo
- Publication number
- DE2443451A1 DE2443451A1 DE2443451A DE2443451A DE2443451A1 DE 2443451 A1 DE2443451 A1 DE 2443451A1 DE 2443451 A DE2443451 A DE 2443451A DE 2443451 A DE2443451 A DE 2443451A DE 2443451 A1 DE2443451 A1 DE 2443451A1
- Authority
- DE
- Germany
- Prior art keywords
- ethylene glycol
- product
- prepolymer
- esterification
- space
- 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.)
- Ceased
Links
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000006068 polycondensation reaction Methods 0.000 title claims abstract description 14
- 229920000728 polyester Polymers 0.000 title abstract description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 66
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 239000007858 starting material Substances 0.000 claims abstract description 5
- 230000032050 esterification Effects 0.000 claims description 11
- 238000005886 esterification reaction Methods 0.000 claims description 11
- 238000003776 cleavage reaction Methods 0.000 claims description 10
- 230000007017 scission Effects 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 9
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- -1 alkylene glycol Chemical compound 0.000 claims description 5
- 125000003118 aryl group Chemical group 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 3
- 150000005690 diesters Chemical class 0.000 claims description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
- 238000004090 dissolution Methods 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 238000007086 side reaction Methods 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract 1
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 3
- 238000005809 transesterification reaction Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/785—Preparation processes characterised by the apparatus used
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2443451A DE2443451A1 (de) | 1974-09-11 | 1974-09-11 | Verfahren zum herstellen von prepolymer fuer die kontinuierliche polykondensation von polyestern |
| ES440505A ES440505A1 (es) | 1974-09-11 | 1975-08-27 | Procedimiento para fabricar prepolimeros para la continua policondensacion de poliesteres. |
| FI752426A FI752426A7 (cs) | 1974-09-11 | 1975-08-28 | |
| CH1138975A CH617422A5 (en) | 1974-09-11 | 1975-09-03 | Process for preparing prepolymer from ethylene glycol and terephthalic acid in a continuous system |
| CS756160A CS188238B2 (en) | 1974-09-11 | 1975-09-10 | Process for preparing prepolymere from ethylen glycole and terephthalic acid and device for preparing this method |
| NO753089A NO753089L (cs) | 1974-09-11 | 1975-09-10 | |
| JP50109047A JPS5152149A (en) | 1974-09-11 | 1975-09-10 | Horiesuteruno renzokujushukugoyopurihorimaanoseizohoho |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2443451A DE2443451A1 (de) | 1974-09-11 | 1974-09-11 | Verfahren zum herstellen von prepolymer fuer die kontinuierliche polykondensation von polyestern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2443451A1 true DE2443451A1 (de) | 1976-03-25 |
Family
ID=5925424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2443451A Ceased DE2443451A1 (de) | 1974-09-11 | 1974-09-11 | Verfahren zum herstellen von prepolymer fuer die kontinuierliche polykondensation von polyestern |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5152149A (cs) |
| CH (1) | CH617422A5 (cs) |
| CS (1) | CS188238B2 (cs) |
| DE (1) | DE2443451A1 (cs) |
| ES (1) | ES440505A1 (cs) |
| FI (1) | FI752426A7 (cs) |
| NO (1) | NO753089L (cs) |
-
1974
- 1974-09-11 DE DE2443451A patent/DE2443451A1/de not_active Ceased
-
1975
- 1975-08-27 ES ES440505A patent/ES440505A1/es not_active Expired
- 1975-08-28 FI FI752426A patent/FI752426A7/fi not_active Application Discontinuation
- 1975-09-03 CH CH1138975A patent/CH617422A5/de not_active IP Right Cessation
- 1975-09-10 JP JP50109047A patent/JPS5152149A/ja active Pending
- 1975-09-10 CS CS756160A patent/CS188238B2/cs unknown
- 1975-09-10 NO NO753089A patent/NO753089L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH617422A5 (en) | 1980-05-30 |
| ES440505A1 (es) | 1977-03-01 |
| NO753089L (cs) | 1976-03-12 |
| CS188238B2 (en) | 1979-02-28 |
| FI752426A7 (cs) | 1976-03-12 |
| JPS5152149A (en) | 1976-05-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8131 | Rejection |