GB1231632A - - Google Patents
Info
- Publication number
- GB1231632A GB1231632A GB1231632DA GB1231632A GB 1231632 A GB1231632 A GB 1231632A GB 1231632D A GB1231632D A GB 1231632DA GB 1231632 A GB1231632 A GB 1231632A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heat exchanger
- glycol
- methanol
- liquid phase
- temperature
- 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
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 9
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 abstract 4
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 abstract 3
- 239000007791 liquid phase Substances 0.000 abstract 3
- WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 abstract 2
- 150000002148 esters Chemical class 0.000 abstract 2
- 239000007792 gaseous phase Substances 0.000 abstract 2
- BTVWZWFKMIUSGS-UHFFFAOYSA-N dimethylethyleneglycol Natural products CC(C)(O)CO BTVWZWFKMIUSGS-UHFFFAOYSA-N 0.000 abstract 1
- -1 ethylene glycol ester Chemical class 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000376 reactant Substances 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US62974067A | 1967-04-10 | 1967-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1231632A true GB1231632A (cg-RX-API-DMAC7.html) | 1971-05-12 |
Family
ID=24524284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1231632D Expired GB1231632A (cg-RX-API-DMAC7.html) | 1967-04-10 | 1968-04-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3488382A (cg-RX-API-DMAC7.html) |
| BE (1) | BE713406A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1768174A1 (cg-RX-API-DMAC7.html) |
| FR (1) | FR1567318A (cg-RX-API-DMAC7.html) |
| GB (1) | GB1231632A (cg-RX-API-DMAC7.html) |
| SE (1) | SE343073B (cg-RX-API-DMAC7.html) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2739957A (en) * | 1952-01-03 | 1956-03-27 | Du Pont | Production of polyethylene terephthalate using an antimony compound as catalyst |
| US2820023A (en) * | 1954-11-15 | 1958-01-14 | Du Pont | Ester interchange reaction using a lanthanum catalyst |
| US2952664A (en) * | 1955-04-11 | 1960-09-13 | Chemstrand Corp | Catalyzed process for the production of polyethylene terephthalate employing a catalyst system of manganous formate and silico tungstic acid |
| US2829153A (en) * | 1957-03-04 | 1958-04-01 | Du Pont | Continuous ester interchange process |
| BE637715A (cg-RX-API-DMAC7.html) * | 1962-09-22 | |||
| US3268482A (en) * | 1962-09-27 | 1966-08-23 | Goodyear Tire & Rubber | Preparation of polyesters |
-
1967
- 1967-04-10 US US629740A patent/US3488382A/en not_active Expired - Lifetime
-
1968
- 1968-04-05 GB GB1231632D patent/GB1231632A/en not_active Expired
- 1968-04-05 FR FR1567318D patent/FR1567318A/fr not_active Expired
- 1968-04-08 BE BE713406D patent/BE713406A/xx unknown
- 1968-04-09 DE DE19681768174 patent/DE1768174A1/de active Pending
- 1968-04-10 SE SE4821/68A patent/SE343073B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1567318A (cg-RX-API-DMAC7.html) | 1969-05-16 |
| US3488382A (en) | 1970-01-06 |
| SE343073B (cg-RX-API-DMAC7.html) | 1972-02-28 |
| BE713406A (cg-RX-API-DMAC7.html) | 1968-08-16 |
| DE1768174A1 (de) | 1972-08-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |