IT954494B - Trattamento di prodotti di reazione dell acido tereftalic - Google Patents
Trattamento di prodotti di reazione dell acido tereftalicInfo
- Publication number
- IT954494B IT954494B IT49944/72A IT4994472A IT954494B IT 954494 B IT954494 B IT 954494B IT 49944/72 A IT49944/72 A IT 49944/72A IT 4994472 A IT4994472 A IT 4994472A IT 954494 B IT954494 B IT 954494B
- Authority
- IT
- Italy
- Prior art keywords
- treatment
- terephthalic acid
- reaction products
- acid reaction
- terephthalic
- Prior art date
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
- 239000007795 chemical reaction product Substances 0.000 title 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
-
- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (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 |
|---|---|---|---|
| US00139083A US3855275A (en) | 1971-04-30 | 1971-04-30 | Treatment of terephthalic acid reaction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT954494B true IT954494B (it) | 1973-08-30 |
Family
ID=22485042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49944/72A IT954494B (it) | 1971-04-30 | 1972-04-28 | Trattamento di prodotti di reazione dell acido tereftalic |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3855275A (it) |
| JP (1) | JPS5146101B1 (it) |
| BE (1) | BE782616A (it) |
| FR (1) | FR2134524B1 (it) |
| GB (1) | GB1382278A (it) |
| IT (1) | IT954494B (it) |
| NL (1) | NL7205401A (it) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0312001U (it) * | 1989-06-14 | 1991-02-07 | ||
| WO2013143825A1 (en) * | 2012-03-30 | 2013-10-03 | Exxonmobil Chemical Patents Inc. | Esterification process |
| JP6627522B2 (ja) * | 2016-01-15 | 2020-01-08 | 富士電機株式会社 | 半導体装置用部材及び半導体装置の製造方法、及び半導体装置用部材 |
| CN114108120A (zh) * | 2021-12-27 | 2022-03-01 | 江苏恒科新材料有限公司 | 一种熔体直纺多孔超细聚酯纤维及其制备方法 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA765853A (en) * | 1967-08-22 | Mitsubishi Chemical Industries Limited | Method for purifying dimethylterephthalates | |
| BE519660A (fr) * | 1952-05-05 | 1953-11-03 | Melle Usines Sa | Procédé pour la décoloration des plastifiants et l'amélioration de leur stabilité thermique |
| US2856375A (en) * | 1954-08-27 | 1958-10-14 | Exxon Research Engineering Co | Fiber-forming polyesters of bisacetoxymethyl durene |
| GB955516A (en) * | 1960-12-28 | 1964-04-15 | Toyo Rayon Co Ltd | Improvements in or relating to the preparation of dimethyl terephthalate |
| DE1139827B (de) * | 1961-04-15 | 1962-11-22 | Chemische Werke Witten Gesell schaft mit beschrankter Haftung, Witten | Verfahren zur verbesserten Aufarbeitung von Terephthalsäuredimethylester und Isophthalsäuredimethylester enthaltenden Mutterlaugen. |
| GB1032730A (en) * | 1962-09-28 | 1966-06-15 | Mitsui Petrochemical Ind | A process for purifying lower alkyl esters of phthalic acids containing esters of formylbenzoic acid as impurity |
| GB1134949A (en) * | 1965-05-14 | 1968-11-27 | Sumitomo Chemical Co | Method for treating crude bis--ß-hydroxyethyl terephthalate |
| US3395419A (en) * | 1966-07-21 | 1968-08-06 | Ritter Pfaudler Corp | Wiper blade assembly |
| GB1181369A (en) * | 1966-08-26 | 1970-02-18 | Mitsubishi Chem Ind | Method for Purifying Dimethyl Terephthalate |
| US3597470A (en) * | 1968-01-24 | 1971-08-03 | Celanese Corp | Purification of bis(2-hydroxyethyl) terephthalate |
| CA976561A (en) * | 1970-05-28 | 1975-10-21 | Halcon International | Process for preparing lower carboxylate esters of bis-(beta-hydroxyethyl)-terephthalate |
-
1971
- 1971-04-30 US US00139083A patent/US3855275A/en not_active Expired - Lifetime
-
1972
- 1972-04-21 NL NL7205401A patent/NL7205401A/xx unknown
- 1972-04-25 BE BE782616A patent/BE782616A/xx not_active IP Right Cessation
- 1972-04-26 FR FR7214782A patent/FR2134524B1/fr not_active Expired
- 1972-04-28 IT IT49944/72A patent/IT954494B/it active
- 1972-04-28 GB GB1987072A patent/GB1382278A/en not_active Expired
- 1972-05-01 JP JP47043579A patent/JPS5146101B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE782616A (fr) | 1972-10-25 |
| FR2134524A1 (it) | 1972-12-08 |
| US3855275A (en) | 1974-12-17 |
| FR2134524B1 (it) | 1976-10-29 |
| DE2221450B2 (de) | 1976-07-15 |
| NL7205401A (it) | 1972-11-01 |
| JPS5146101B1 (it) | 1976-12-07 |
| DE2221450A1 (de) | 1972-11-16 |
| GB1382278A (en) | 1975-01-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IT948290B (it) | Procedimento catalitico per la produzione di n buteni | |
| IT951042B (it) | Procedimento per la preparazione catalitica di acido iodidrico | |
| IT942170B (it) | Procedimento per la purificazione di acido tereftalico | |
| IT1041434B (it) | Procedimento per la produzione di acido tereftalico | |
| IT1020908B (it) | Procedimento per il trattamento dell argilla e prodotti ottenuti | |
| IT954494B (it) | Trattamento di prodotti di reazione dell acido tereftalic | |
| SE386187B (sv) | Forfarande for industriell framstellning av desoxyribonukleinsyror med hog molekylvikt. | |
| IT941454B (it) | Processo per la preparazione dell acido citrico | |
| IT1006045B (it) | Processo per la preparazione di estere dimetilico dell acido tereftalico | |
| IT944263B (it) | Procedimento migliorato per la produzione di acido tereftalico | |
| IT951064B (it) | Esteri dell acido crisantemico sostituiti | |
| IT941430B (it) | Purificazione dell acido tereftalico | |
| IT971251B (it) | Procedimento per la preparazione di acido tereftalico | |
| IT988237B (it) | Purificazione dell acido fosfo rico | |
| IT952191B (it) | Prodotto di reazione di composti olefinici con zolfo e procedimento per produrlo | |
| IT966155B (it) | Depurazione continua di dinitrile dell acido adipico | |
| IT967116B (it) | Procedimento per indurire prodotti di addizione dell acido acrilico con radiazioni ionizzanti | |
| IT954493B (it) | Processo per produrre prodotti di reazione dell acido tereftalico | |
| IT948371B (it) | Procedimento per la produzione di pezzi sagomati o rivestimenti di prodotti di poliaddizione me diante reazione di poliesteri con poliisocianati | |
| IT1045661B (it) | Procedimento per la produzione di irride dell acido maleico | |
| IT954495B (it) | Procedimento per la produzione di acido cianoalcan carbossilico e prodotto ottenuto | |
| IT1030804B (it) | Processo per la preparazione del cloruro dell acido alfa cloroacrilico | |
| IT956982B (it) | Procedimento di eliminazione dell acido solfidrico gassos | |
| IT1048998B (it) | Procedimento per la produzione di prodotti alimentari proteici | |
| IT1051001B (it) | Processo per la preparazione dell acido 3 o beta carbossipropionil ibbeta glicirretico |