GB793926A - Improvements relating to the preparation of dialkyl esters of terephthalic acid - Google Patents
Improvements relating to the preparation of dialkyl esters of terephthalic acidInfo
- Publication number
- GB793926A GB793926A GB3462/57A GB346257A GB793926A GB 793926 A GB793926 A GB 793926A GB 3462/57 A GB3462/57 A GB 3462/57A GB 346257 A GB346257 A GB 346257A GB 793926 A GB793926 A GB 793926A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terephthalic acid
- tube
- pulsatory
- turbulence
- feed
- 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
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 title abstract 10
- 150000002148 esters Chemical class 0.000 title abstract 4
- 238000006243 chemical reaction Methods 0.000 abstract 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 3
- 239000011541 reaction mixture Substances 0.000 abstract 3
- 235000011149 sulphuric acid Nutrition 0.000 abstract 3
- 239000001117 sulphuric acid Substances 0.000 abstract 3
- 150000001298 alcohols Chemical class 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 abstract 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract 1
- 230000032050 esterification Effects 0.000 abstract 1
- 238000005886 esterification reaction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- 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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL793926X | 1956-01-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB793926A true GB793926A (en) | 1958-04-23 |
Family
ID=19834490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3462/57A Expired GB793926A (en) | 1956-01-31 | 1957-01-31 | Improvements relating to the preparation of dialkyl esters of terephthalic acid |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE554622A (cs) |
| DE (1) | DE1024504B (cs) |
| GB (1) | GB793926A (cs) |
| NL (1) | NL94245C (cs) |
-
0
- BE BE554622D patent/BE554622A/xx unknown
- NL NL94245D patent/NL94245C/xx active
-
1957
- 1957-01-30 DE DEST12178A patent/DE1024504B/de active Pending
- 1957-01-31 GB GB3462/57A patent/GB793926A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE554622A (cs) | |
| NL94245C (cs) | |
| DE1024504B (de) | 1958-02-20 |
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