ITMI940017A0 - Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalato - Google Patents
Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalatoInfo
- Publication number
- ITMI940017A0 ITMI940017A0 ITMI940017A ITMI940017A ITMI940017A0 IT MI940017 A0 ITMI940017 A0 IT MI940017A0 IT MI940017 A ITMI940017 A IT MI940017A IT MI940017 A ITMI940017 A IT MI940017A IT MI940017 A0 ITMI940017 A0 IT MI940017A0
- Authority
- IT
- Italy
- Prior art keywords
- recovery
- waste
- post
- terephthalic acid
- continuous process
- 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
- 229920001283 Polyalkylene terephthalate Polymers 0.000 title 1
- 238000010924 continuous production Methods 0.000 title 1
- 229920000642 polymer Polymers 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
- 239000002699 waste material Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI940017A IT1269175B (it) | 1994-01-11 | 1994-01-11 | Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalato |
AT94120067T ATE150440T1 (de) | 1994-01-11 | 1994-12-19 | Kontinuierliches verfahren zur gewinnung von terephthalsäure aus abfällen oder gebrauchten produkten aus polyalkylenterephthalat polymeren |
ES94120067T ES2100620T3 (es) | 1994-01-11 | 1994-12-19 | Procedimiento continuo para la recuperacion de acido tereftalico de productos de desecho o utilizados de polimeros de polialquilen tereftalato. |
DE69402171T DE69402171T2 (de) | 1994-01-11 | 1994-12-19 | Kontinuierliches Verfahren zur Gewinnung von Terephthalsäure aus Abfällen oder gebrauchten Produkten aus Polyalkylenterephthalat Polymeren |
EP94120067A EP0662466B1 (en) | 1994-01-11 | 1994-12-19 | Continuous process for the recovery of terephthalic acid from waste or used products of polyalkylene terephthalate polymers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI940017A IT1269175B (it) | 1994-01-11 | 1994-01-11 | Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalato |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI940017A0 true ITMI940017A0 (it) | 1994-01-11 |
ITMI940017A1 ITMI940017A1 (it) | 1995-07-11 |
IT1269175B IT1269175B (it) | 1997-03-21 |
Family
ID=11367471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI940017A IT1269175B (it) | 1994-01-11 | 1994-01-11 | Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalato |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0662466B1 (it) |
AT (1) | ATE150440T1 (it) |
DE (1) | DE69402171T2 (it) |
ES (1) | ES2100620T3 (it) |
IT (1) | IT1269175B (it) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0758640B1 (en) * | 1995-08-11 | 1999-12-22 | Eastman Kodak Company | Recovery of components from polyester resins |
DE19646378C2 (de) * | 1996-11-09 | 1999-11-11 | Brown John Deutsche Eng Gmbh | Verfahren und Vorrichtung zur Rückgewinnung von Dicarbonsäuren und Diolen aus Polyesterabfällen, insbesondere aus Polyethylenterephthalat(PET)-Abfällen beliebigen Polymerisationsgrades |
US6472557B1 (en) * | 1999-02-10 | 2002-10-29 | Eastman Chemical Company | Process for recycling polyesters |
US6919383B2 (en) | 2001-04-10 | 2005-07-19 | North Carolina State University | CO2-assisted deploymerization, purification and recycling of step-growth polymers |
CN101565374B (zh) * | 2009-04-03 | 2012-04-25 | 北京化工大学 | 一种废聚酯的解聚方法 |
CN102219924B (zh) * | 2011-06-01 | 2012-08-08 | 中国人民解放军总后勤部军需装备研究所 | 一种涤棉混纺织物分离及涤纶再聚合装置 |
JP2024506323A (ja) * | 2021-02-09 | 2024-02-13 | チア-ウェン・ウ | ポリアルキレンベンゼンジカルボキシラート材料の処理方法 |
LU102949B1 (en) | 2022-05-03 | 2023-11-06 | Univ Hamburg | Method for the depolymerization of a terephthalate polyester |
EP4273190A1 (en) | 2022-05-03 | 2023-11-08 | Universität Hamburg | Method for the depolymerization of a terephthalate polyester |
CN115353904B (zh) * | 2022-08-02 | 2024-02-23 | 中国矿业大学 | 一种过热蒸汽体系高效液化塑料垃圾制油的方法及其装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4578502A (en) * | 1985-01-22 | 1986-03-25 | Cudmore Warner J G | Polyethylene terephthalate saponification process |
CA2055066A1 (en) * | 1990-11-09 | 1992-05-10 | Robert E. Michel | Recovery of methyl esters of aromatic acids and glycols from thermoplastic polyester scrap |
US5298530A (en) * | 1992-11-25 | 1994-03-29 | Eastman Kodak Company | Process of recovering components from scrap polyester |
-
1994
- 1994-01-11 IT ITMI940017A patent/IT1269175B/it active IP Right Grant
- 1994-12-19 AT AT94120067T patent/ATE150440T1/de not_active IP Right Cessation
- 1994-12-19 ES ES94120067T patent/ES2100620T3/es not_active Expired - Lifetime
- 1994-12-19 EP EP94120067A patent/EP0662466B1/en not_active Expired - Lifetime
- 1994-12-19 DE DE69402171T patent/DE69402171T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ITMI940017A1 (it) | 1995-07-11 |
DE69402171T2 (de) | 1997-09-18 |
EP0662466B1 (en) | 1997-03-19 |
ATE150440T1 (de) | 1997-04-15 |
ES2100620T3 (es) | 1997-06-16 |
IT1269175B (it) | 1997-03-21 |
DE69402171D1 (de) | 1997-04-24 |
EP0662466A1 (en) | 1995-07-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR9611564A (pt) | Processo para purificar materiais de poliéster previamente usados a serem reciclados | |
IT1284360B1 (it) | Blocco di pulizia solido ed acido e suo procedimento di produzione | |
ITMI940017A0 (it) | Processo in continuo per il recupero di acido tereftalico dagli scarti o prodotti post-consumo di polimeri di polialchilen tereftalato | |
BR9403499A (pt) | Processo e sistema catalítico para produção de ácido acético | |
BR9708119A (pt) | Processo de carbonilação catalisado por iridio para produção de ácido carboxilico | |
DE69417922T2 (de) | Verfahren zur herstellung von harnstoff enthaltenden festen reinigungsmitteln | |
DE69720579T2 (de) | Verfahren zur Depolymerisation von Polyestern | |
SG48499A1 (en) | Process for the production of terephthalic acid | |
BR9403964A (pt) | Processo aperfeiçoado para a produção de ácido tereftálico | |
BR9609745A (pt) | Processo para a produção de artigos moldados de poliéster | |
DE69406167D1 (de) | Verfahren zur Rückgewinnung von Carbonylierungsprodukten | |
BR9706783A (pt) | Processo de carbonilação catalisado por irídio para a produção de ácido acético | |
BR9706698A (pt) | Processo de carbonilação catalisado por irídio para a produção de ácido acético | |
DE59303724D1 (de) | Verfahren zur Herstellung von Polybutylenterephthalat aus Polyethylenterephthalat-Abfall | |
BR9201061A (pt) | Processo para preparar polimeros de acido itaconico e composicoes detergente,para o tratamento de agua e dispersante | |
ITMI940241A0 (it) | Sistema catalitico e processo per la produzione di polidiolefine | |
GB9609948D0 (en) | Process for producing terephthalic acid | |
BR9607581A (pt) | Processo para remover contaminantes de materiais de embalagem de poliéster pós-consumidor | |
FR2697839B1 (fr) | Procédé amélioré de récupération de téréphtalate de métal alcalin et d'alkylène glycol à partir de polytéréphtalates d'alkylènes. | |
NO994084D0 (no) | Fremgangsmåte ved utvinning av höyren vWF eller faktor VIII/v-kompleks | |
BR9105577A (pt) | Processo para producao de poliesteres terminados em alcoxi silanos | |
DE69531139D1 (de) | Verfahren zur Festphasenpolykondensation von Polyestern | |
DE59408109D1 (de) | Verfahren zur Herstellung von thermoplastischen Polyestern | |
IT1271097B (it) | Processo di rigenerazione di catalizzatore | |
NO974802D0 (no) | Fremgangsmåte for bearbeidelse av retur- eller avfallsplast |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |