TW323290B - - Google Patents

Download PDF

Info

Publication number
TW323290B
TW323290B TW085103047A TW85103047A TW323290B TW 323290 B TW323290 B TW 323290B TW 085103047 A TW085103047 A TW 085103047A TW 85103047 A TW85103047 A TW 85103047A TW 323290 B TW323290 B TW 323290B
Authority
TW
Taiwan
Prior art keywords
column
steam
bottom product
butanediol
vapors
Prior art date
Application number
TW085103047A
Other languages
English (en)
Chinese (zh)
Original Assignee
Basf Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of TW323290B publication Critical patent/TW323290B/zh

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/88Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • C07C29/80Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
TW085103047A 1995-03-18 1996-03-14 TW323290B (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19509957A DE19509957A1 (de) 1995-03-18 1995-03-18 Verfahren zur Aufarbeitung von Dihydroxyverbindungen enthaltenden Rückständen

Publications (1)

Publication Number Publication Date
TW323290B true TW323290B (https=) 1997-12-21

Family

ID=7757101

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085103047A TW323290B (https=) 1995-03-18 1996-03-14

Country Status (10)

Country Link
US (1) US5789500A (https=)
EP (1) EP0815157B1 (https=)
JP (1) JP3424755B2 (https=)
KR (1) KR100379796B1 (https=)
CN (1) CN1074774C (https=)
AT (1) ATE182601T1 (https=)
DE (2) DE19509957A1 (https=)
ES (1) ES2135882T3 (https=)
TW (1) TW323290B (https=)
WO (1) WO1996029358A1 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19608614A1 (de) * 1996-03-06 1997-09-11 Basf Ag Verfahren zur Aufarbeitung von Dihydroxyverbindungen enthaltenden Rückständen
DE19929791A1 (de) * 1999-06-29 2001-02-01 Basf Ag Verfahren zur kontinuierlichen Herstellung von Polybutylenterephthalat aus Terephthalsäure und Butandiol
DE10125678B4 (de) * 2001-05-25 2011-04-14 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Herstellung von Polyethylenterephthalat
DE10125677B4 (de) * 2001-05-25 2013-05-16 Lurgi Zimmer Gmbh Verfahren und Vorrichtung zur Herstellung von Polytrimethylenterephthalat
DE102005053858A1 (de) * 2005-11-11 2007-05-16 Coperion Waeschle Gmbh & Co Kg Verfahren und Vorrichtung zur Herstellung von Polyester

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5128197A (en) * 1974-09-03 1976-03-09 Mitsubishi Chem Ind Horiesuteruno seizohoho
US4110316A (en) 1977-04-14 1978-08-29 E. I. Du Pont De Nemours And Company Improved process for preparing poly(ethylene terephthalate)
US4254246A (en) * 1979-03-26 1981-03-03 Davy International Ag Column system process for polyester plants
US5236558A (en) * 1982-09-23 1993-08-17 Allied-Signal Inc. Method to recycle spent ethylene glycol
US4499261A (en) * 1984-02-22 1985-02-12 Davy Mckee Ag Process for the continuous production of polybutylene terephthalate of high molecular weight

Also Published As

Publication number Publication date
EP0815157A1 (de) 1998-01-07
CN1179165A (zh) 1998-04-15
DE19509957A1 (de) 1996-09-19
ATE182601T1 (de) 1999-08-15
CN1074774C (zh) 2001-11-14
ES2135882T3 (es) 1999-11-01
KR19980703051A (ko) 1998-09-05
JPH11505551A (ja) 1999-05-21
US5789500A (en) 1998-08-04
JP3424755B2 (ja) 2003-07-07
KR100379796B1 (ko) 2004-11-16
DE59602549D1 (de) 1999-09-02
WO1996029358A1 (de) 1996-09-26
EP0815157B1 (de) 1999-07-28

Similar Documents

Publication Publication Date Title
JP3983977B2 (ja) 汚染されたポリエチレンテレフタレートを汚染除去されたポリブチレンテレフタレートに転化するための改良された方法
US6472557B1 (en) Process for recycling polyesters
JP5661737B2 (ja) 加アルコール分解によるplaのケミカルリサイクル
TW583216B (en) Polyester continuous production process
US5451611A (en) Process for the conversion of poly(ethylene terephthalate) waste to poly(alkylene terephthalate)
TW448204B (en) A method for catalytic depolymerization of polyethylene terephthalate
WO2003033581A1 (en) Method for recycling pet bottle
CN107513154B (zh) 一种钛系聚酯催化剂及其生产共聚酯的方法
WO1999020684A1 (en) Depolymerization process for recycling polyesters
WO2007106316A1 (en) Process for making polybutylene terephthalate (pbt) from polythylene terephthalate(pet)
JPH0356446A (ja) スクラップまたは未使用テレフタル酸ポリエステルの崩壊エステル交換によるテレフタル酸ジエステルの製造方法
JP2002509962A5 (https=)
CN106220832B (zh) 一种生产聚酯多元醇的方法和设备
CN111205182B (zh) 用pta残渣制备混合型增塑剂及环保型增塑剂的方法
CN100491321C (zh) 适用于聚酯生产的羧酸/二醇混合物的生产方法
TW323290B (https=)
US5481024A (en) Process for the preparation of monomeric terephthalic diesters and diols from polyesters
JP4262995B2 (ja) ポリエステル原料に適したテレフタル酸ケークの製造方法
CN102775586A (zh) 一种新型聚酯-聚醚多元醇及其制备方法
JP2006335856A (ja) ポリエステルの解重合方法、その方法を用いたポリエステルモノマーの回収方法
JP2006016548A (ja) ポリエステルの製造方法
US5948828A (en) Technology development and consultancy
JP2011207822A (ja) ポリエステルからビス(2−ヒドロキシエチル)テレフタレートを製造する方法
JP2008514739A (ja) ポリエステルの製造方法
KR100322955B1 (ko) 디히드록시화합물을함유하는잔류물을처리하는방법