ATE163401T1 - Depolymerisierung - Google Patents

Depolymerisierung

Info

Publication number
ATE163401T1
ATE163401T1 AT93309613T AT93309613T ATE163401T1 AT E163401 T1 ATE163401 T1 AT E163401T1 AT 93309613 T AT93309613 T AT 93309613T AT 93309613 T AT93309613 T AT 93309613T AT E163401 T1 ATE163401 T1 AT E163401T1
Authority
AT
Austria
Prior art keywords
polymer
depolymerization
depolymerised
monomer
heating
Prior art date
Application number
AT93309613T
Other languages
English (en)
Inventor
Donald James Highgate
Patrick William Vaughan
Original Assignee
Vergier Ltd Du
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10726175&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE163401(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Vergier Ltd Du filed Critical Vergier Ltd Du
Application granted granted Critical
Publication of ATE163401T1 publication Critical patent/ATE163401T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
    • C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Saccharide Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Silicon Compounds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
AT93309613T 1992-12-04 1993-12-01 Depolymerisierung ATE163401T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929225461A GB9225461D0 (en) 1992-12-04 1992-12-04 Depolymerisation process and apparatus

Publications (1)

Publication Number Publication Date
ATE163401T1 true ATE163401T1 (de) 1998-03-15

Family

ID=10726175

Family Applications (1)

Application Number Title Priority Date Filing Date
AT93309613T ATE163401T1 (de) 1992-12-04 1993-12-01 Depolymerisierung

Country Status (6)

Country Link
US (1) US5663420A (de)
EP (1) EP0600727B2 (de)
AT (1) ATE163401T1 (de)
DE (1) DE69317097T3 (de)
ES (1) ES2114011T5 (de)
GB (1) GB9225461D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19843112C2 (de) * 1998-09-21 2002-07-18 Roehm Gmbh Verfahren zur Rückgewinnung von monomeren Estern substituierter oder unsubstituierter Acrylsäure aus entsprechende Struktureinheiten aufweisendem Polymermaterial, vorzugsweise durch Depolymerisation von Polymethylmethacrylat
US20060205845A1 (en) * 2004-03-20 2006-09-14 Roehm Gbmh & Co. Kg Depolymerization method and device
US8304573B2 (en) 2007-03-07 2012-11-06 Mitsubishi Rayon Co., Ltd. Recovery method of pyrolysis product of resin
FR3080622B1 (fr) * 2018-04-27 2020-11-20 Arkema France Procede de recyclage de thermoplastique par depolymerisation courte
JPWO2023210564A1 (de) * 2022-04-27 2023-11-02
EP4339185B1 (de) * 2022-09-16 2025-07-23 Arkema France Verfahren und anlage zur herstellung eines monomers durch depolymerisierung des entsprechenden polymers
EP4435019A1 (de) 2023-03-22 2024-09-25 Röhm GmbH Recycle-mma und dessen verwendung in einem kontinuierlichen polymerisationsprozess

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2030901A (en) * 1935-01-10 1936-02-18 Du Pont Viscoloid Co Process for depolymerizing alpha substituted acrylic acid esters
FR809386A (fr) * 1935-07-20 1937-03-02 Rohm & Haas Ag Procédé pour monomériser des esters polyméthacryliques
US2341282A (en) * 1940-11-13 1944-02-08 Du Pont Purification of methyl methacrylate
US2858255A (en) * 1953-03-23 1958-10-28 Segui Esteban Domingo Process and device for the regeneration of monomers starting from polymethacrylate and, more especially, methyl polymethacrylate
DE1568368A1 (de) * 1966-02-05 1970-01-02 Degussa Verfahren zur Gewinnung von monomeren Spaltprodukten durch thermischen Abbau von Polymeren
US3886202A (en) * 1970-05-19 1975-05-27 Denshikagaki Kk Method for depolymerizing thermoplastic resins by liquid heat transfer media
JPS4897972A (de) † 1972-03-27 1973-12-13
US3868410A (en) * 1972-08-03 1975-02-25 Celanese Corp Conversion of oligomeric acrylates to acrylate monomers
US3974206A (en) * 1974-07-09 1976-08-10 Mitsubishi Gas Chemical Company, Inc. Process for the thermal decomposition of thermoplastic resins with a heat transfer medium
DE3030735A1 (de) * 1980-08-14 1982-03-25 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von caprolactam durch spaltung von oligomeren des caprolactams
EP0502618B1 (de) † 1991-03-05 1996-08-14 BP Chemicals Limited Kracken von Polymeren

Also Published As

Publication number Publication date
GB9225461D0 (en) 1993-01-27
EP0600727A3 (de) 1994-10-26
US5663420A (en) 1997-09-02
EP0600727B2 (de) 2002-06-05
DE69317097D1 (de) 1998-04-02
ES2114011T5 (es) 2002-11-01
EP0600727A2 (de) 1994-06-08
EP0600727B1 (de) 1998-02-25
DE69317097T2 (de) 1998-07-09
DE69317097T3 (de) 2002-11-07
ES2114011T3 (es) 1998-05-16

Similar Documents

Publication Publication Date Title
DE69123059D1 (de) Modifizierung der oberfläche von polymergegenständen
DK0719795T3 (da) Fremgangsmåde til fremstilling af en carbamatfunktionel polymer
ATE172957T1 (de) Fluoroalkenyl verbindungen und ihre verwendung als schädlingsbekämpfungsmittel
BR9101956A (pt) Processo para preparar microcapsulas
EP0313665A4 (de) Mit aktinischen strahlen härtbare zusammensetzung für giesspolymerisation und giesspolymerisationsprodukte.
ATE6159T1 (de) Selbsthaertende masse auf der basis von polymethacrylaten, verfahren zu ihrer herstellung und ihre verwendung.
ATE217637T1 (de) Verwendung von fluorenylorganometallverbindungen.
DE69306334D1 (de) Verbesserung in der Herstellung von superabsorbierenden Polyacrylaten
ATE31069T1 (de) Wasserloesliche terpolymere, verfahren zu deren herstellung und verwendung als klebstoff.
ATE163401T1 (de) Depolymerisierung
ATE153676T1 (de) Verfahren zur herstellung eines styrolpolymers
FR2575479B1 (fr) Copolymeres amphoteres, leur procede de fabrication et leur application a la retention d'eau
ATE42310T1 (de) Verfahren zur herstellung von pulverfoermigen wasserloeslichen polymerisaten und deren verwendung.
DE58901926D1 (de) Verwendung von wasserloeslichen polymerisaten als klebstoff.
DE69307624D1 (de) Verbesserung in der Herstellung von superabsorbierendem Pulver durch Polymerisation von Acrylat-Monomeren in umgekehrte Suspension
FR2501213B1 (de)
EP0342052A3 (de) Monomere zur Herstellung von gefärbten Polymeren; gefärbte Polymere; Verfahren zu ihrer Herstellung und zur Abtrennung biologisch aktiver Substanzen unter Verwendung dieser Polymere
DK0457356T3 (da) Fremgangsmåde til fremstilling af acrylpolymerer i suspension
ATE173479T1 (de) Verfahren zur herstellung von unverglasten, restmonomerarmen homopolymerisaten des methylmethacrylats
FR2528856B1 (fr) Polymeres d'acides insatures
ATE105286T1 (de) Herstellung von 3,3-diarylacrylsaeureamiden.
FR2732028B1 (fr) Procede pour ameliorer la tenue a la chaleur des pvc
FR2651236B1 (fr) Procede de polymerisation du methacrylate de methyle.
DE59002503D1 (de) Niedermolekulare Polymerisate von Acrylsäureestern.
ATE46176T1 (de) Suspensionspolymerisationsverfahren von fluorethylenen.

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
UEP Publication of translation of european patent specification

Ref document number: 0600727

Country of ref document: EP

REN Ceased due to non-payment of the annual fee