GB1069856A - Method for purifying terephthalic acid - Google Patents
Method for purifying terephthalic acidInfo
- Publication number
- GB1069856A GB1069856A GB45744/65A GB4574465A GB1069856A GB 1069856 A GB1069856 A GB 1069856A GB 45744/65 A GB45744/65 A GB 45744/65A GB 4574465 A GB4574465 A GB 4574465A GB 1069856 A GB1069856 A GB 1069856A
- Authority
- GB
- United Kingdom
- Prior art keywords
- terephthalic acid
- purifying terephthalic
- acid
- purifying
- dialkylbenzene
- 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 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- RXKJFZQQPQGTFL-UHFFFAOYSA-N dihydroxyacetone Chemical compound OCC(=O)CO RXKJFZQQPQGTFL-UHFFFAOYSA-N 0.000 abstract 1
- 239000007791 liquid phase Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000001953 recrystallisation Methods 0.000 abstract 1
- 150000003503 terephthalic acid derivatives Chemical class 0.000 abstract 1
- 239000008096 xylene 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
- C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/16—Dicarboxylic acids and dihydroxy compounds
- C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
- C08G63/181—Acids containing aromatic rings
- C08G63/183—Terephthalic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40751864A | 1964-10-29 | 1964-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1069856A true GB1069856A (en) | 1967-05-24 |
Family
ID=23612409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB45744/65A Expired GB1069856A (en) | 1964-10-29 | 1965-10-28 | Method for purifying terephthalic acid |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE671513A (cs) |
| CH (1) | CH456567A (cs) |
| DE (1) | DE1292139B (cs) |
| FR (1) | FR1451797A (cs) |
| GB (1) | GB1069856A (cs) |
| IL (1) | IL24531A (cs) |
| NL (1) | NL6513937A (cs) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE971483C (de) * | 1953-10-10 | 1959-02-05 | Hoechst Ag | Verfahren zur Reinigung von p-toluylsaeurehaltiger Terephthalsaeure |
| DE1099521B (de) * | 1956-04-11 | 1961-02-16 | Olin Mathieson | Verfahren zur Abtrennung von Iso- und Terephthalsaeure aus einem isomere Phthalsaeuren enthaltenden Gemisch |
| DE1092899B (de) * | 1956-08-22 | 1960-11-17 | Union Rheinische Braunkohlen | Verfahren zur Reinigung von Terephthalsaeure sowie deren monomeren und polymeren Estern |
| DE1089746B (de) * | 1957-06-28 | 1960-09-29 | Ici Ltd | Verfahren zur Reinigung von Terephthalsaeure |
| DE1061771B (de) * | 1958-03-26 | 1959-07-23 | Basf Ag | Verfahren zur Reinigung von roher Terephthalsaeure |
| US3080421A (en) * | 1958-11-18 | 1963-03-05 | Purification of temephthalic agio | |
| DE1135885B (de) * | 1960-01-30 | 1962-09-06 | Basf Ag | Verfahren zur Reinigung von roher Terephthalsaeure |
| DE1112059B (de) * | 1960-01-30 | 1961-08-03 | Basf Ag | Verfahren zur Reinigung von roher Terephthalsaeure |
| DE1126855B (de) * | 1960-09-10 | 1962-04-05 | Basf Ag | Verfahren zur Reinigung roher Terephthalsaeure |
| DE1136999B (de) * | 1961-06-10 | 1962-09-27 | Basf Ag | Verfahren zur Gewinnung von reiner Terephthalsaeure |
-
1965
- 1965-10-27 FR FR36410A patent/FR1451797A/fr not_active Expired
- 1965-10-27 NL NL6513937A patent/NL6513937A/xx unknown
- 1965-10-27 CH CH1480865A patent/CH456567A/de unknown
- 1965-10-27 IL IL24531A patent/IL24531A/en unknown
- 1965-10-27 DE DEA50624A patent/DE1292139B/de active Pending
- 1965-10-27 BE BE671513A patent/BE671513A/xx unknown
- 1965-10-28 GB GB45744/65A patent/GB1069856A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL24531A (en) | 1969-07-30 |
| FR1451797A (fr) | 1966-01-07 |
| NL6513937A (cs) | 1966-05-02 |
| BE671513A (cs) | 1966-02-14 |
| CH456567A (de) | 1968-07-31 |
| DE1292139B (de) | 1969-04-10 |
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