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CA1188708A - Continuous procedure for obtaining pure terephthalic acid and glycol starting from polyethylene terephthalate waste - Google Patents

Continuous procedure for obtaining pure terephthalic acid and glycol starting from polyethylene terephthalate waste

Info

Publication number
CA1188708A
CA1188708A CA000404984A CA404984A CA1188708A CA 1188708 A CA1188708 A CA 1188708A CA 000404984 A CA000404984 A CA 000404984A CA 404984 A CA404984 A CA 404984A CA 1188708 A CA1188708 A CA 1188708A
Authority
CA
Canada
Prior art keywords
terephthalic acid
glycol
polyethylene terephthalate
continuous method
waste
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.)
Expired
Application number
CA000404984A
Other languages
English (en)
French (fr)
Inventor
Jorge M. Weitzner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celanese Mexicana SA
Original Assignee
Celanese Mexicana SA
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 Celanese Mexicana SA filed Critical Celanese Mexicana SA
Application granted granted Critical
Publication of CA1188708A publication Critical patent/CA1188708A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/09—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis
    • C07C29/095—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring by hydrolysis of esters of organic acids
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000404984A 1981-06-12 1982-06-11 Continuous procedure for obtaining pure terephthalic acid and glycol starting from polyethylene terephthalate waste Expired CA1188708A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX187785 1981-06-12
MX18778581A MX157433A (es) 1981-06-12 1981-06-12 Procedimiento continuo para la obtencion de acido tereftalico y glicol puros,a partir de desperdicios de tereftalato de polietileno

Publications (1)

Publication Number Publication Date
CA1188708A true CA1188708A (en) 1985-06-11

Family

ID=19747646

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000404984A Expired CA1188708A (en) 1981-06-12 1982-06-11 Continuous procedure for obtaining pure terephthalic acid and glycol starting from polyethylene terephthalate waste

Country Status (6)

Country Link
JP (1) JPS584735A (es)
BR (1) BR8203311A (es)
CA (1) CA1188708A (es)
DE (1) DE3221341A1 (es)
FR (1) FR2507595A1 (es)
MX (1) MX157433A (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6660236B1 (en) 1998-11-30 2003-12-09 Takeda Chemical Industries, Ltd. Apparatus for decomposition and recovery of polyurethane resin
CN110950751A (zh) * 2018-09-26 2020-04-03 远东新世纪股份有限公司 对苯二甲酸的制造方法及其系统

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60163844A (ja) * 1984-02-06 1985-08-26 Mitsubishi Chem Ind Ltd ジメチルテレフタレ−トの製造法
FR2672049A1 (fr) * 1991-01-30 1992-07-31 Benzaria Jacques Procede de fabrication de terephtalate de metal alcalin ou alcalino-terreux ou de l'acide terephilique de purete elevee.
JP3659717B2 (ja) 1995-11-30 2005-06-15 株式会社神戸製鋼所 化学プラント内廃棄物の分解方法および装置
DE19605474C2 (de) * 1996-02-14 1997-12-18 Ems Polyloy Gmbh Verfahren zur Herstellung von teilaromatischen Copolyamiden aus aromatischen Dicarbonsäureestern
AUPP598098A0 (en) * 1998-09-17 1998-10-08 West, Simon Michael Process for decontaminating ethanediol
JP4937521B2 (ja) * 2005-03-31 2012-05-23 三井化学株式会社 ポリエステルより高純度モノマーを回収する方法及び高純度モノマー、ポリエステル
CN101979422B (zh) * 2010-10-15 2012-02-22 济南大学 一种绿色高分子聚合物制备方法和应用
JP2012219210A (ja) * 2011-04-12 2012-11-12 Ａｓ Ｒ＆Ｄ合同会社 低分子ポリマーの製造方法、その方法により得られる低分子ポリマー、その低分子ポリマーを用いた塗料、粉体塗料、接着剤、繊維及び不織布
CN117587552A (zh) * 2018-01-12 2024-02-23 希尔科公司 从废弃纺织品中回收棉纤维和聚酯纤维的方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015422B (de) * 1953-07-17 1957-09-12 Ici Ltd Verfahren zum Reinigen von Terephthalsaeure
DE1061772B (de) * 1957-02-08 1959-07-23 Rhodiaceta Verfahren zur Herstellung von Terephthalsaeure durch Abbau von Polymethylenterephthalaten

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6660236B1 (en) 1998-11-30 2003-12-09 Takeda Chemical Industries, Ltd. Apparatus for decomposition and recovery of polyurethane resin
CN110950751A (zh) * 2018-09-26 2020-04-03 远东新世纪股份有限公司 对苯二甲酸的制造方法及其系统

Also Published As

Publication number Publication date
DE3221341A1 (de) 1982-12-30
FR2507595A1 (fr) 1982-12-17
BR8203311A (pt) 1983-05-24
DE3221341C2 (es) 1992-05-07
MX157433A (es) 1988-11-23
JPH0316328B2 (es) 1991-03-05
JPS584735A (ja) 1983-01-11

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Legal Events

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