JP2004507560A5 - - Google Patents

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Publication number
JP2004507560A5
JP2004507560A5 JP2002523983A JP2002523983A JP2004507560A5 JP 2004507560 A5 JP2004507560 A5 JP 2004507560A5 JP 2002523983 A JP2002523983 A JP 2002523983A JP 2002523983 A JP2002523983 A JP 2002523983A JP 2004507560 A5 JP2004507560 A5 JP 2004507560A5
Authority
JP
Japan
Prior art keywords
oligomer
catalyst
group
mixtures
terephthalic acid
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.)
Pending
Application number
JP2002523983A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004507560A (ja
Filing date
Publication date
Priority claimed from US09/812,581 external-priority patent/US6380352B1/en
Application filed filed Critical
Publication of JP2004507560A publication Critical patent/JP2004507560A/ja
Publication of JP2004507560A5 publication Critical patent/JP2004507560A5/ja
Pending legal-status Critical Current

Links

JP2002523983A 2000-08-29 2001-08-24 ポリエステル先駆体の精製方法 Pending JP2004507560A (ja)

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 (2)

Publication Number Publication Date
JP2004507560A JP2004507560A (ja) 2004-03-11
JP2004507560A5 true JP2004507560A5 (enExample) 2008-10-16

Family

ID=26922575

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002523983A Pending JP2004507560A (ja) 2000-08-29 2001-08-24 ポリエステル先駆体の精製方法

Country Status (14)

Country Link
US (1) US6380352B1 (enExample)
EP (1) EP1313788B1 (enExample)
JP (1) JP2004507560A (enExample)
KR (1) KR100779294B1 (enExample)
CN (1) CN1220716C (enExample)
AR (1) AR033388A1 (enExample)
AT (1) ATE342296T1 (enExample)
BR (1) BR0113498A (enExample)
CA (1) CA2419422C (enExample)
DE (1) DE60123810T2 (enExample)
ES (1) ES2269445T3 (enExample)
MX (1) MXPA03001617A (enExample)
TW (1) TW527373B (enExample)
WO (1) WO2002018471A2 (enExample)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
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
JP4752766B2 (ja) * 2004-12-21 2011-08-17 日立化成工業株式会社 酸無水物系エポキシ樹脂硬化剤の製造方法、酸無水物系エポキシ樹脂硬化剤、エポキシ樹脂組成物、その硬化物及び光半導体装置
US7067615B1 (en) 2005-06-13 2006-06-27 Eastman Chemical Company Hydrotreating polyester precursors
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
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
US12071519B2 (en) 2017-09-15 2024-08-27 9449710 Canada Inc. Terephthalic acid esters formation
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)
JPWO2021014962A1 (enExample) * 2019-07-19 2021-01-28
IT201900025039A1 (it) * 2019-12-20 2021-06-20 Garbo S R L Processo per purificare il bis(2-idrossietil)tereftalato.
CA3176833A1 (en) 2020-06-05 2021-12-09 Clive Alexander Hamilton 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
WO2025160816A1 (zh) * 2024-01-31 2025-08-07 江苏集萃先进纤维材料研究所有限公司 基于分步反应逐步结晶的回收纯化bhet的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
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 (enExample) * 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

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