DE1570981A1 - Verfahren und Vorrichtung zur Herstellung von Vorkondensaten aus Terephtalsaeure und Glykol - Google Patents
Verfahren und Vorrichtung zur Herstellung von Vorkondensaten aus Terephtalsaeure und GlykolInfo
- Publication number
- DE1570981A1 DE1570981A1 DE19651570981 DE1570981A DE1570981A1 DE 1570981 A1 DE1570981 A1 DE 1570981A1 DE 19651570981 DE19651570981 DE 19651570981 DE 1570981 A DE1570981 A DE 1570981A DE 1570981 A1 DE1570981 A1 DE 1570981A1
- Authority
- DE
- Germany
- Prior art keywords
- precondensate
- stage
- glycolysis
- terephthalic acid
- neutral
- 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.)
- Pending
Links
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title claims description 33
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title claims description 30
- 238000000034 method Methods 0.000 title claims description 25
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 title claims description 10
- 230000032050 esterification Effects 0.000 claims description 18
- 238000005886 esterification reaction Methods 0.000 claims description 18
- 230000001476 alcoholic effect Effects 0.000 claims description 16
- 230000034659 glycolysis Effects 0.000 claims description 12
- 230000007935 neutral effect Effects 0.000 claims description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 7
- 238000006068 polycondensation reaction Methods 0.000 claims description 7
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims 2
- 239000003054 catalyst Substances 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- QPFMBZIOSGYJDE-UHFFFAOYSA-N 1,1,2,2-tetrachloroethane Chemical compound ClC(Cl)C(Cl)Cl QPFMBZIOSGYJDE-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 235000019441 ethanol Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 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 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Natural products OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000009089 cytolysis Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyesters Or Polycarbonates (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM0066002 | 1965-07-17 | ||
| DEM0067795 | 1965-12-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1570981A1 true DE1570981A1 (de) | 1969-08-28 |
Family
ID=25987733
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651570981 Pending DE1570981A1 (de) | 1965-07-17 | 1965-07-17 | Verfahren und Vorrichtung zur Herstellung von Vorkondensaten aus Terephtalsaeure und Glykol |
| DE19651595023 Pending DE1595023A1 (de) | 1965-07-17 | 1965-12-24 | Verfahren und Vorrichtung zur Herstellung von Vorkondensaten aus Terephthalsaeure und Glykol |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19651595023 Pending DE1595023A1 (de) | 1965-07-17 | 1965-12-24 | Verfahren und Vorrichtung zur Herstellung von Vorkondensaten aus Terephthalsaeure und Glykol |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT276771B (enrdf_load_stackoverflow) |
| BE (1) | BE682906A (enrdf_load_stackoverflow) |
| CH (1) | CH491976A (enrdf_load_stackoverflow) |
| DE (2) | DE1570981A1 (enrdf_load_stackoverflow) |
| ES (1) | ES326340A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1484494A (enrdf_load_stackoverflow) |
| GB (1) | GB1136455A (enrdf_load_stackoverflow) |
| NL (2) | NL6606878A (enrdf_load_stackoverflow) |
| SE (1) | SE335916B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4694622A (en) * | 1984-07-27 | 1987-09-22 | Bouygues | Concrete structural elements, process and device for manufacturing these elements |
-
0
- NL NL135070D patent/NL135070C/xx active
-
1965
- 1965-07-17 DE DE19651570981 patent/DE1570981A1/de active Pending
- 1965-12-24 DE DE19651595023 patent/DE1595023A1/de active Pending
-
1966
- 1966-03-21 CH CH405366A patent/CH491976A/de not_active IP Right Cessation
- 1966-05-05 ES ES0326340A patent/ES326340A1/es not_active Expired
- 1966-05-17 GB GB21846/66A patent/GB1136455A/en not_active Expired
- 1966-05-18 NL NL6606878A patent/NL6606878A/xx unknown
- 1966-06-21 BE BE682906D patent/BE682906A/xx unknown
- 1966-06-24 FR FR66838A patent/FR1484494A/fr not_active Expired
- 1966-07-14 AT AT676066A patent/AT276771B/de not_active IP Right Cessation
- 1966-07-18 SE SE09790/66A patent/SE335916B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1484494A (fr) | 1967-06-09 |
| GB1136455A (en) | 1968-12-11 |
| SE335916B (enrdf_load_stackoverflow) | 1971-06-14 |
| NL6606878A (enrdf_load_stackoverflow) | 1967-01-18 |
| DE1595023A1 (de) | 1970-06-18 |
| AT276771B (de) | 1969-12-10 |
| ES326340A1 (es) | 1967-07-01 |
| CH491976A (de) | 1970-06-15 |
| NL135070C (enrdf_load_stackoverflow) | |
| BE682906A (enrdf_load_stackoverflow) | 1966-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| SH | Request for examination between 03.10.1968 and 22.04.1971 |