IT1255341B - Procedimento per l'ottenimento di polietilenetereftalato ad elevato peso molecolare da polietilenetereftalato di riciclo - Google Patents

Procedimento per l'ottenimento di polietilenetereftalato ad elevato peso molecolare da polietilenetereftalato di riciclo

Info

Publication number
IT1255341B
IT1255341B ITMI921713A IT1255341B IT 1255341 B IT1255341 B IT 1255341B IT MI921713 A ITMI921713 A IT MI921713A IT 1255341 B IT1255341 B IT 1255341B
Authority
IT
Italy
Prior art keywords
polyethylene terephthalate
procedure
molecular weight
high molecular
obtaining high
Prior art date
Application number
Other languages
English (en)
Inventor
Riccardo Po'
Nicoletta Cardi
Luisa Fiocca
Antonio Gennaro
Giorgio Giannotta
Ernesto Occhiello
Original Assignee
Eniricerche Spa
Donegani Guido Ist
Enichem Polimeri
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 Eniricerche Spa, Donegani Guido Ist, Enichem Polimeri filed Critical Eniricerche Spa
Publication of ITMI921713A0 publication Critical patent/ITMI921713A0/it
Priority to IT92MI1713 priority Critical patent/IT1255341B/it
Priority to EP19930201920 priority patent/EP0583807B1/en
Priority to DK93201920T priority patent/DK0583807T3/da
Priority to ES93201920T priority patent/ES2096847T3/es
Priority to AT93201920T priority patent/ATE146502T1/de
Priority to DE69306693T priority patent/DE69306693T2/de
Priority to US08/088,314 priority patent/US5331065A/en
Publication of ITMI921713A1 publication Critical patent/ITMI921713A1/it
Application granted granted Critical
Publication of IT1255341B publication Critical patent/IT1255341B/it
Priority to GR970400311T priority patent/GR3022627T3/el

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
    • C08G63/91—Polymers modified by chemical after-treatment
    • C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/916—Dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J11/00—Recovery or working-up of waste materials
    • C08J11/04—Recovery or working-up of waste materials of polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

Il polietilenetereftalato (PET) proveniente dalla raccolta differenziata di rifiuti solidi urbani può essere rigradato e riciclato come tale o in miscela con PET vergine re viene trattato ad alta temperatura con un'ossazolina di formula generale: (FORMULA )
IT92MI1713 1992-07-15 1992-07-15 Procedimento per l'ottenimento di polietilenetereftalato ad elevato peso molecolare da polietilenetereftalato di riciclo IT1255341B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT92MI1713 IT1255341B (it) 1992-07-15 1992-07-15 Procedimento per l'ottenimento di polietilenetereftalato ad elevato peso molecolare da polietilenetereftalato di riciclo
AT93201920T ATE146502T1 (de) 1992-07-15 1993-07-01 Verfahren zur herstellung von polyethlenterephthalat mit hohem molekulargewicht aus wiederverwendetem pet
DK93201920T DK0583807T3 (da) 1992-07-15 1993-07-01 Fremgangsmåde til fremstilling af polyethylenterephthalat med høj molvægt ud fra genanvendt polyethylenterephthalat
ES93201920T ES2096847T3 (es) 1992-07-15 1993-07-01 Procedimiento para preparar polietilentereftalato de alto peso molecular a partir de tereftalato de polietileno reciclado.
EP19930201920 EP0583807B1 (en) 1992-07-15 1993-07-01 A process for preparing high molecular weight polyethyleneterephthalate from recycled PET
DE69306693T DE69306693T2 (de) 1992-07-15 1993-07-01 Verfahren zur Herstellung von Polyethlenterephthalat mit hohem Molekulargewicht aus wiederverwendetem PET
US08/088,314 US5331065A (en) 1992-07-15 1993-07-07 Process for preparing high molecular weight polyethylene-terephthalate from recycled polyethyleneterephthalate
GR970400311T GR3022627T3 (en) 1992-07-15 1997-02-20 A process for preparing high molecular weight polyethyleneterephthalate from recycled PET

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT92MI1713 IT1255341B (it) 1992-07-15 1992-07-15 Procedimento per l'ottenimento di polietilenetereftalato ad elevato peso molecolare da polietilenetereftalato di riciclo

Publications (3)

Publication Number Publication Date
ITMI921713A0 ITMI921713A0 (it) 1992-07-15
ITMI921713A1 ITMI921713A1 (it) 1994-01-15
IT1255341B true IT1255341B (it) 1995-10-31

Family

ID=11363672

Family Applications (1)

Application Number Title Priority Date Filing Date
IT92MI1713 IT1255341B (it) 1992-07-15 1992-07-15 Procedimento per l'ottenimento di polietilenetereftalato ad elevato peso molecolare da polietilenetereftalato di riciclo

Country Status (8)

Country Link
US (1) US5331065A (it)
EP (1) EP0583807B1 (it)
AT (1) ATE146502T1 (it)
DE (1) DE69306693T2 (it)
DK (1) DK0583807T3 (it)
ES (1) ES2096847T3 (it)
GR (1) GR3022627T3 (it)
IT (1) IT1255341B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH686082A5 (de) * 1994-03-11 1995-12-29 Alusuisse Lonza Services Ag Geschoumte Polyesterformmassen.
US6033682A (en) 1995-01-13 2000-03-07 Somerset Pharmaceuticals, Inc. S(+) desmethylselegiline and its use in therapeutic methods and pharmaceutical compositions
EP1802697B1 (en) * 2004-10-20 2011-07-20 E.I. Du Pont De Nemours And Company Additive package for thermoplastic condensation polymers
US8087916B2 (en) * 2005-12-15 2012-01-03 Cemedine Henkel Co., Ltd. Holding jig for a foamable material
US20070232777A1 (en) * 2006-04-04 2007-10-04 Deardurff L Robert Method for treating recycled polyethylene terephthalate for accelerated processing
KR100950217B1 (ko) * 2009-08-28 2010-03-29 (주)애린엠피테크 복합성형체의 제조방법
EP2524015B2 (en) 2010-01-13 2024-04-10 Mitsubishi Polyester Film, Inc. Process for recycling waste film and product made therefrom
CN104151257B (zh) * 2013-05-13 2016-05-25 上海药合生化科技有限公司 均苯三羧酸的衍生物及其制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH583308A5 (it) * 1973-09-24 1976-12-31 Inventa Ag
US4331800A (en) * 1979-05-02 1982-05-25 Teijin Limited Process for producing aromatic polyesters having an increased degree of polymerization
DE3069425D1 (en) * 1979-12-05 1984-11-15 Teijin Ltd Method for reducing the terminal carboxyl group content of a saturated polyester, a saturated polyester having a reduced terminal carboxyl group content, and a molded article composed of such a saturated polyester
EP0416288B1 (en) * 1989-09-05 1996-03-13 Bridgestone/Firestone, Inc. Reduction of acidity of polyesters by melt reaction endcapping

Also Published As

Publication number Publication date
ES2096847T3 (es) 1997-03-16
DE69306693D1 (de) 1997-01-30
ITMI921713A1 (it) 1994-01-15
DE69306693T2 (de) 1997-07-03
ITMI921713A0 (it) 1992-07-15
GR3022627T3 (en) 1997-05-31
US5331065A (en) 1994-07-19
ATE146502T1 (de) 1997-01-15
EP0583807B1 (en) 1996-12-18
DK0583807T3 (da) 1997-04-14
EP0583807A1 (en) 1994-02-23

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960717