BRPI0813040A2 - "método de hidrólise de uma poliamida" - Google Patents

"método de hidrólise de uma poliamida"

Info

Publication number
BRPI0813040A2
BRPI0813040A2 BRPI0813040A BRPI0813040A2 BR PI0813040 A2 BRPI0813040 A2 BR PI0813040A2 BR PI0813040 A BRPI0813040 A BR PI0813040A BR PI0813040 A2 BRPI0813040 A2 BR PI0813040A2
Authority
BR
Brazil
Prior art keywords
polyamide
hydrolysis method
polymer
hydrolysis
optionally
Prior art date
Application number
Other languages
English (en)
Inventor
Keith Whiston
Stewart Forsyth
Kenneth R Seddon
Original Assignee
Invista Tech Sarl
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 Invista Tech Sarl filed Critical Invista Tech Sarl
Publication of BRPI0813040A2 publication Critical patent/BRPI0813040A2/pt

Links

Classifications

    • 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
    • C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
    • C08J11/18—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/02—Preparation of lactams
    • C07D201/12—Preparation of lactams by depolymerising polyamides
    • 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
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyamides (AREA)
BRPI0813040 2007-07-31 2008-07-31 "método de hidrólise de uma poliamida" BRPI0813040A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US95293007P 2007-07-31 2007-07-31
PCT/GB2008/002605 WO2009016378A2 (en) 2007-07-31 2008-07-31 Ionic liquid solvents and a process for the depolymerization of polyamides

Publications (1)

Publication Number Publication Date
BRPI0813040A2 true BRPI0813040A2 (pt) 2014-12-16

Family

ID=40158565

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0813040 BRPI0813040A2 (pt) 2007-07-31 2008-07-31 "método de hidrólise de uma poliamida"

Country Status (7)

Country Link
US (1) US7772293B2 (pt)
EP (1) EP2173800B1 (pt)
CN (1) CN103298869A (pt)
AT (1) ATE505510T1 (pt)
BR (1) BRPI0813040A2 (pt)
DE (1) DE602008006195D1 (pt)
WO (1) WO2009016378A2 (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013018955A (ja) * 2010-12-14 2013-01-31 Sumitomo Chemical Co Ltd メタクリル樹脂含有液状組成物およびモノマー回収方法
US9303134B2 (en) 2011-11-22 2016-04-05 Ecosight, Llc Recycling of solid waste in ionic liquid media
CN106432796A (zh) * 2016-08-08 2017-02-22 桂林市春晓环保科技有限公司 一种废旧交联聚酰胺的回收工艺
US10611892B2 (en) 2017-04-07 2020-04-07 The Boeing Company Carbon fiber recovery compositions and methods
US12528929B2 (en) 2020-02-25 2026-01-20 Council Of Scientific And Industrial Research An Indian Resgistered Body Incorporated Under The Regn. Of Soc. Act (Act Xxi Of 1860) Depolymerization of polymers with ester, ether and carbonate linkages using acidic ionic liquid (AIL) catalyst
CN119819695A (zh) * 2025-01-13 2025-04-15 东华理工大学 一种离子液体催化降解聚酰亚胺的方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7888412B2 (en) * 2004-03-26 2011-02-15 Board Of Trustees Of The University Of Alabama Polymer dissolution and blend formation in ionic liquids
JP2006176713A (ja) * 2004-12-24 2006-07-06 Kri Inc 微粒子
GB0500028D0 (en) * 2005-01-04 2005-02-09 Univ Belfast Base stable ionic liquids
GB0500029D0 (en) * 2005-01-04 2005-02-09 Univ Belfast Basic ionic liquids
US7550520B2 (en) * 2005-05-31 2009-06-23 The University Of Alabama Method of preparing high orientation nanoparticle-containing sheets or films using ionic liquids, and the sheets or films produced thereby
JP4932507B2 (ja) * 2006-03-31 2012-05-16 国立大学法人山口大学 合成樹脂の解重合方法及び合成樹脂のモノマーの製造方法

Also Published As

Publication number Publication date
DE602008006195D1 (de) 2011-05-26
EP2173800A2 (en) 2010-04-14
ATE505510T1 (de) 2011-04-15
US20090036602A1 (en) 2009-02-05
CN103298869A (zh) 2013-09-11
US7772293B2 (en) 2010-08-10
WO2009016378A3 (en) 2009-04-09
WO2009016378A2 (en) 2009-02-05
EP2173800B1 (en) 2011-04-13

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]