DE69306693T2 - Verfahren zur Herstellung von Polyethlenterephthalat mit hohem Molekulargewicht aus wiederverwendetem PET - Google Patents

Verfahren zur Herstellung von Polyethlenterephthalat mit hohem Molekulargewicht aus wiederverwendetem PET

Info

Publication number
DE69306693T2
DE69306693T2 DE1993606693 DE69306693T DE69306693T2 DE 69306693 T2 DE69306693 T2 DE 69306693T2 DE 1993606693 DE1993606693 DE 1993606693 DE 69306693 T DE69306693 T DE 69306693T DE 69306693 T2 DE69306693 T2 DE 69306693T2
Authority
DE
Germany
Prior art keywords
molecular weight
high molecular
polyethylene terephthalate
weight polyethylene
making high
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 - Fee Related
Application number
DE1993606693
Other languages
English (en)
Other versions
DE69306693D1 (de
Inventor
Riccardo Po'
Nicoletta Cardi
Luisa Fiocca
Antonio Gennaro
Giorgio Giannotta
Ernesto Occhiello
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.)
Eni Tecnologie SpA
Enichem SpA
Original Assignee
Enichem SpA
Eniricerche SpA
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 Enichem SpA, Eniricerche SpA filed Critical Enichem SpA
Application granted granted Critical
Publication of DE69306693D1 publication Critical patent/DE69306693D1/de
Publication of DE69306693T2 publication Critical patent/DE69306693T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (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)
DE1993606693 1992-07-15 1993-07-01 Verfahren zur Herstellung von Polyethlenterephthalat mit hohem Molekulargewicht aus wiederverwendetem PET Expired - Fee Related DE69306693T2 (de)

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 (2)

Publication Number Publication Date
DE69306693D1 DE69306693D1 (de) 1997-01-30
DE69306693T2 true DE69306693T2 (de) 1997-07-03

Family

ID=11363672

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993606693 Expired - Fee Related DE69306693T2 (de) 1992-07-15 1993-07-01 Verfahren zur Herstellung von Polyethlenterephthalat mit hohem Molekulargewicht aus wiederverwendetem PET

Country Status (8)

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

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
EP2264095B1 (de) * 2004-10-20 2016-08-10 The Chemours Company TT, LLC Zusatzpackung für thermoplastische Kondensationspolymere
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
WO2011088084A1 (en) 2010-01-13 2011-07-21 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 (de) * 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
EP0030350B1 (de) * 1979-12-05 1984-10-10 Teijin Limited Verfahren zum Verringern des Carboxylendgruppen-Gehalts gesättigter Polyester, gesättigte Polyester mit verringertem Carboxylendgruppen-Gehalt und aus diesen gesättigten Polyestern hergestellte Formkörper
DE69025829T2 (de) * 1989-09-05 1996-07-25 Bridgestone Firestone Inc Verminderung der Azidität von Polyestern durch Verkappung der Endgruppen durch Reaktion in der Schmelze

Also Published As

Publication number Publication date
ITMI921713A0 (it) 1992-07-15
DK0583807T3 (da) 1997-04-14
ES2096847T3 (es) 1997-03-16
IT1255341B (it) 1995-10-31
DE69306693D1 (de) 1997-01-30
ATE146502T1 (de) 1997-01-15
EP0583807A1 (de) 1994-02-23
GR3022627T3 (en) 1997-05-31
ITMI921713A1 (it) 1994-01-15
US5331065A (en) 1994-07-19
EP0583807B1 (de) 1996-12-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee