BR0113498A - Processo para a purificação de um oligÈmero - Google Patents
Processo para a purificação de um oligÈmeroInfo
- Publication number
- BR0113498A BR0113498A BR0113498-1A BR0113498A BR0113498A BR 0113498 A BR0113498 A BR 0113498A BR 0113498 A BR0113498 A BR 0113498A BR 0113498 A BR0113498 A BR 0113498A
- Authority
- BR
- Brazil
- Prior art keywords
- oligomer
- terephthalic acid
- purifying
- discolored
- purified
- Prior art date
Links
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
- C08G63/82—Preparation processes characterised by the catalyst used
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/12—Making granules characterised by structure or composition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/165—Crystallizing granules
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
"PROCESSO PARA A PURIFICAçãO DE UM OLIGÈMERO". é divulgado um processo para a purificação de um precursor de poliéster em que um oligómero de poliéster derivado de ácido tereftálico e um ou mais glicóis ou dióis é purificado ou descolorado através de hidrogenação do oligómero para converter as impurezas coloridas a compostos incolores e desse modo melhorar a cor do oligómero. As impurezas coloridas estão presentes no ácido tereftálico usado para preparar os oligómeros e são formadas durante a fabricação de ácido tereftálico. O oligómero purificado/descolorado obtido a partir do processo divulgado pode ser usado para preparar os poliésteres de alto peso molecular.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US22869500P | 2000-08-29 | 2000-08-29 | |
US09/812,581 US6380352B1 (en) | 2000-08-29 | 2001-03-20 | Polyester precursor purification process |
PCT/US2001/026487 WO2002018471A2 (en) | 2000-08-29 | 2001-08-24 | Polyester precursor purification process |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0113498A true BR0113498A (pt) | 2003-07-29 |
Family
ID=26922575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0113498-1A BR0113498A (pt) | 2000-08-29 | 2001-08-24 | Processo para a purificação de um oligÈmero |
Country Status (14)
Country | Link |
---|---|
US (1) | US6380352B1 (pt) |
EP (1) | EP1313788B1 (pt) |
JP (1) | JP2004507560A (pt) |
KR (1) | KR100779294B1 (pt) |
CN (1) | CN1220716C (pt) |
AR (1) | AR033388A1 (pt) |
AT (1) | ATE342296T1 (pt) |
BR (1) | BR0113498A (pt) |
CA (1) | CA2419422C (pt) |
DE (1) | DE60123810T2 (pt) |
ES (1) | ES2269445T3 (pt) |
MX (1) | MXPA03001617A (pt) |
TW (1) | TW527373B (pt) |
WO (1) | WO2002018471A2 (pt) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2146172C1 (ru) * | 1999-07-29 | 2000-03-10 | Институт катализа им.Г.К.Борескова СО РАН | Каталитическая композиция, способ ее приготовления и способ очистки терефталевой кислоты |
US6762276B2 (en) * | 2002-02-27 | 2004-07-13 | Eastman Chemical Company | Hydrogenation of polyester oligomers containing terephthalic acid residues |
TW200418901A (en) | 2003-02-25 | 2004-10-01 | Du Pont | Process for the manufacture of polyester via hydrogenation treatment of recycled diol |
DE10339366A1 (de) * | 2003-08-27 | 2005-03-24 | Dr. Johannes Heidenhain Gmbh | Verfahren und Vorrichtung zur Regelung einer Lichtquelle eines Positionsmessgerätes |
US7129316B2 (en) | 2004-01-07 | 2006-10-31 | Invista North America S.A R.L. | Process for the manufacture of polyester via hydrogenation treatment of recycled diol |
CN101072808B (zh) * | 2004-12-21 | 2010-08-11 | 日立化成工业株式会社 | 酸酐类环氧树脂固化剂的制造方法、酸酐类环氧树脂固化剂、环氧树脂组合物、其固化物和光半导体装置 |
US7390869B2 (en) * | 2005-06-13 | 2008-06-24 | Eastman Chemical Company | Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species |
US7067615B1 (en) | 2005-06-13 | 2006-06-27 | Eastman Chemical Company | Hydrotreating polyester precursors |
KR101101930B1 (ko) * | 2011-04-19 | 2012-01-02 | 김용남 | 프리캐스트 콘크리트 경량 판상 마감재 |
US9550713B1 (en) | 2015-07-09 | 2017-01-24 | Loop Industries, Inc. | Polyethylene terephthalate depolymerization |
US10252976B1 (en) | 2017-09-15 | 2019-04-09 | 9449710 Canada Inc. | Terephthalic acid esters formation |
UY38276A (es) | 2018-06-25 | 2019-12-31 | 9449710 Canada Inc | Formación de ésteres de ácido tereftálico |
US11248103B2 (en) | 2019-03-20 | 2022-02-15 | 9449710 Canada Inc. | Process for the depolymerization of polyethylene terephthalate (PET) |
WO2021014962A1 (ja) * | 2019-07-19 | 2021-01-28 | 帝人株式会社 | 熱可塑性樹脂及びそれを含む光学部材 |
IT201900025039A1 (it) * | 2019-12-20 | 2021-06-20 | Garbo S R L | Processo per purificare il bis(2-idrossietil)tereftalato. |
EP4161980A1 (en) | 2020-06-05 | 2023-04-12 | Koch Technology Solutions UK Limited | A method for manufacturing an oligomeric polyethylene terephthalate (pet) substrate |
CN115698123A (zh) | 2020-06-05 | 2023-02-03 | 科氏技术英国有限公司 | 用于制造低聚聚对苯二甲酸乙二酯(pet)底物的方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1134949A (en) | 1965-05-14 | 1968-11-27 | Sumitomo Chemical Co | Method for treating crude bis--ß-hydroxyethyl terephthalate |
US3501420A (en) | 1967-10-20 | 1970-03-17 | Eastman Kodak Co | High purity polyester depolymerization products from polyester scrap by polish hydrogenation |
JPS4836141A (pt) * | 1971-09-14 | 1973-05-28 | ||
JPS5828255B2 (ja) | 1974-05-04 | 1983-06-15 | 東洋紡績株式会社 | 1,4 シクロヘキサンジメタノ−ル ノ セイゾウホウ |
DE2504156A1 (de) * | 1975-02-01 | 1976-08-05 | Dynamit Nobel Ag | Niedermolekulare terephthalsaeure- aethylenglykolester, ihre herstellung und verwendung |
JPH0672922A (ja) * | 1992-08-26 | 1994-03-15 | Toyobo Co Ltd | 廃ポリエチレンテレフタレートから高純度の原料モノマーを回収する方法 |
US5597891A (en) | 1995-08-01 | 1997-01-28 | Eastman Chemical Company | Process for producing polyester articles having low acetaldehyde content |
US5648032A (en) | 1995-08-01 | 1997-07-15 | Eastman Chemical Company | Process for producing polyester articles having low acetaldehyde content |
JP3891454B2 (ja) * | 1996-12-19 | 2007-03-14 | 三井化学株式会社 | 芳香族ジカルボン酸エステルの精製方法 |
-
2001
- 2001-03-20 US US09/812,581 patent/US6380352B1/en not_active Expired - Lifetime
- 2001-08-02 TW TW090118914A patent/TW527373B/zh not_active IP Right Cessation
- 2001-08-10 AR ARP010103842A patent/AR033388A1/es active IP Right Grant
- 2001-08-24 CN CNB018148727A patent/CN1220716C/zh not_active Expired - Fee Related
- 2001-08-24 AT AT01964409T patent/ATE342296T1/de not_active IP Right Cessation
- 2001-08-24 BR BR0113498-1A patent/BR0113498A/pt not_active Application Discontinuation
- 2001-08-24 KR KR1020037002870A patent/KR100779294B1/ko active IP Right Grant
- 2001-08-24 DE DE60123810T patent/DE60123810T2/de not_active Expired - Lifetime
- 2001-08-24 CA CA002419422A patent/CA2419422C/en not_active Expired - Fee Related
- 2001-08-24 JP JP2002523983A patent/JP2004507560A/ja active Pending
- 2001-08-24 MX MXPA03001617A patent/MXPA03001617A/es active IP Right Grant
- 2001-08-24 WO PCT/US2001/026487 patent/WO2002018471A2/en active IP Right Grant
- 2001-08-24 EP EP01964409A patent/EP1313788B1/en not_active Expired - Lifetime
- 2001-08-24 ES ES01964409T patent/ES2269445T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
TW527373B (en) | 2003-04-11 |
MXPA03001617A (es) | 2003-06-04 |
US6380352B1 (en) | 2002-04-30 |
KR20030045787A (ko) | 2003-06-11 |
JP2004507560A (ja) | 2004-03-11 |
CA2419422A1 (en) | 2002-03-07 |
CN1220716C (zh) | 2005-09-28 |
DE60123810T2 (de) | 2007-03-01 |
ATE342296T1 (de) | 2006-11-15 |
CA2419422C (en) | 2007-07-17 |
EP1313788A2 (en) | 2003-05-28 |
WO2002018471A2 (en) | 2002-03-07 |
CN1449419A (zh) | 2003-10-15 |
ES2269445T3 (es) | 2007-04-01 |
EP1313788B1 (en) | 2006-10-11 |
DE60123810D1 (de) | 2006-11-23 |
WO2002018471A3 (en) | 2002-05-30 |
KR100779294B1 (ko) | 2007-11-27 |
AR033388A1 (es) | 2003-12-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |