ZA201105016B - Chemical recycling of pla by alcoholysis - Google Patents

Chemical recycling of pla by alcoholysis

Info

Publication number
ZA201105016B
ZA201105016B ZA2011/05016A ZA201105016A ZA201105016B ZA 201105016 B ZA201105016 B ZA 201105016B ZA 2011/05016 A ZA2011/05016 A ZA 2011/05016A ZA 201105016 A ZA201105016 A ZA 201105016A ZA 201105016 B ZA201105016 B ZA 201105016B
Authority
ZA
South Africa
Prior art keywords
alcoholysis
pla
chemical recycling
recycling
chemical
Prior art date
Application number
ZA2011/05016A
Other languages
English (en)
Inventor
Philippe Coszach
Jean-Christophe Bogaert
Jonathan Willocq
Original Assignee
Galactic 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 Galactic Sa filed Critical Galactic Sa
Publication of ZA201105016B publication Critical patent/ZA201105016B/en

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/04—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid halides
    • 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
    • C08J11/06—Recovery or working-up of waste materials of polymers without chemical reactions
    • C08J11/08—Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
    • 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
    • C08J11/16—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 inorganic material
    • 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
    • C08J11/22—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 by treatment with organic oxygen-containing compounds
    • C08J11/24—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 by treatment with organic oxygen-containing compounds containing hydroxyl groups
    • 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
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones
    • 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)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
ZA2011/05016A 2009-04-14 2011-07-07 Chemical recycling of pla by alcoholysis ZA201105016B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE2009/0231A BE1019608A3 (fr) 2009-04-14 2009-04-14 Recyclage chimique du pla par alcoolyse.
PCT/EP2010/054280 WO2010118955A1 (fr) 2009-04-14 2010-03-31 Recyclage chimique du pla par alcoolyse

Publications (1)

Publication Number Publication Date
ZA201105016B true ZA201105016B (en) 2012-10-31

Family

ID=41020772

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2011/05016A ZA201105016B (en) 2009-04-14 2011-07-07 Chemical recycling of pla by alcoholysis

Country Status (11)

Country Link
US (1) US8481675B2 (enExample)
EP (1) EP2419396B1 (enExample)
JP (1) JP5661737B2 (enExample)
KR (1) KR101730666B1 (enExample)
CN (1) CN102348672B (enExample)
AU (1) AU2010237249A1 (enExample)
BE (1) BE1019608A3 (enExample)
BR (1) BRPI1013783B1 (enExample)
MX (1) MX2011010492A (enExample)
WO (1) WO2010118955A1 (enExample)
ZA (1) ZA201105016B (enExample)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1018850A3 (fr) * 2009-08-06 2011-10-04 Galactic Sa Purification d'un flux de polymere conventionnel contamine par du pla.
CN102659590B (zh) * 2012-05-06 2015-06-24 青岛科技大学 废聚乳酸材料在离子液体环境下的醇解回收方法
EP2725019B1 (de) 2012-10-26 2015-04-08 Uhde Inventa-Fischer GmbH Verfahren zur Herstellung cyclischer Diester, insbesondere Dilactid
WO2014086840A1 (de) 2012-12-04 2014-06-12 Uhde Inventa-Fischer Gmbh Verfahren zur selektiven chemischen extraktion von milchsäure aus polymerblends
US9181412B2 (en) * 2014-01-20 2015-11-10 Bioplast, Llc Composition for the degradation of plastic
CN104592024A (zh) * 2014-12-01 2015-05-06 青岛科技大学 一种废聚乳酸材料的醇解回收方法
PL229904B1 (pl) 2015-01-08 2018-09-28 Wroclawskie Centrum Badan Eit Spolka Z Ograniczona Odpowiedzialnoscia Sposób otrzymywania estrów kwasu mlekowego i mleczanomlekowego w reakcji alkoholizy poliestru alifatycznego
CN104628563A (zh) * 2015-01-30 2015-05-20 湖北大学 一种乳酸制备乳酸酯的合成工艺
WO2018035185A1 (en) * 2016-08-17 2018-02-22 Zeus Industrial Products, Inc. Polymer alcoholysis
US20190315018A1 (en) 2016-11-18 2019-10-17 Husky Injection Molding Systems Ltd. Molded article, container and a method for the molding and recycling thereof
US10259768B2 (en) 2017-05-24 2019-04-16 Board Of Trustees Of Michigan State University Method of recycling a polyester
CN107382718B (zh) * 2017-08-10 2018-06-01 青岛科技大学 CaO/MCF介孔碱性分子筛催化醇解聚乳酸的方法
PL424629A1 (pl) * 2018-02-20 2019-08-26 Uniwersytet Kazimierza Wielkiego W Bydgoszczy Sposób otrzymywania surowca poliolowego na bazie odpadowego polilaktydu
EP3793973B1 (de) 2018-05-18 2022-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur herstellung eines intramolekularen diesters einer hydroxycarbonsäure sowie verfahren zur herstellung einer polyhydroxycarbonsäure
FR3085163B1 (fr) * 2018-08-23 2021-04-09 Commissariat Energie Atomique Procede de depolymerisation de materiaux polymeres oxygenes par catalyse nucleophile
US20230106737A1 (en) 2020-02-19 2023-04-06 TripleW Ltd. Methods and systems for lactic acid production and polylactic acid recycling
IT202000017218A1 (it) 2020-07-15 2022-01-15 Novamont Spa Riutilizzo in polimerizzazione di bioplastiche
BE1028899B1 (nl) 2020-12-15 2022-07-19 Despriet Gebroeders Nv Systeem voor de recyclage van polymelkzuur in afvalstromen om lactide te verkrijgen
BE1028893B1 (nl) 2020-12-15 2022-07-19 Despriet Gebroeders Nv Recyclageproces voor polymelkzuur in afvalstromen om lactide te verkrijgen
CN112831017B (zh) * 2021-01-05 2022-04-01 美瑞新材料股份有限公司 利用pla回收料制备pla-ppc-pu共聚合金的方法及其产品和应用
NL2028900B1 (en) 2021-08-02 2023-02-17 Arapaha B V A method of closed loop recycling of polylactic acid
BE1030133B1 (fr) 2021-12-29 2023-07-31 Noosa Procede pour ameliorer le rendement du recyclage chimique de fibres d’acide polylactique et a conserver leurs proprietes physiques
KR20230123264A (ko) 2022-02-16 2023-08-23 씨제이제일제당 (주) 생분해성 고분자의 재생 방법
CN114773811B (zh) * 2022-06-27 2022-09-02 广东美联新材料股份有限公司 一种以聚乳酸回收废弃料为载体的彩色母粒及其制备方法
GB2632622A (en) * 2023-04-25 2025-02-19 Rusty Design Ltd Biodegradable composite article and method of recycling
CN117550969A (zh) * 2023-11-10 2024-02-13 南京大学 一种无金属醋酸双环胍盐催化废弃聚乳酸醇解的方法

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Publication number Priority date Publication date Assignee Title
EP0591188A1 (en) * 1990-07-13 1994-04-13 E.I. Du Pont De Nemours And Company High yield recycle process for lactide
US5229528A (en) 1991-11-22 1993-07-20 E. I. Du Pont De Nemours And Company Rapid depolymerization of polyhydroxy acids
US5264614A (en) 1991-11-22 1993-11-23 E. I. Du Pont De Nemours And Company Recovery of polyhydroxy acids
US5264617A (en) 1991-11-22 1993-11-23 E. I. Du Pont De Nemours And Company Preparation of alkyl esters by depolymerization
EP0628533A1 (en) * 1993-06-07 1994-12-14 E.I. Du Pont De Nemours And Company Recovery of hydroxy acids from trash
JPH09111036A (ja) * 1995-10-18 1997-04-28 Shin Etsu Chem Co Ltd 生分解性ポリエステル系樹脂成形物の廃棄処理方法
DE19732673A1 (de) * 1997-07-29 1999-02-04 Fraunhofer Ges Forschung Verfahren zur Wiedergewinnung von löslichen Polymeren oder Polymerengemischen aus kunststoffhaltigen Materialien
JP2003300926A (ja) * 2002-04-08 2003-10-21 Nippon Shokubai Co Ltd α−ヒドロキシカルボン酸又はα−オキソカルボン酸の製造方法
JP2004250414A (ja) * 2003-02-21 2004-09-09 Masaaki Yoshida ポリエステル類のモノマー回収方法
JP4486561B2 (ja) * 2005-07-26 2010-06-23 帝人ファイバー株式会社 ポリ乳酸ステレオコンプレックスポリマーから異素材を除去する方法
JP2007224113A (ja) * 2006-02-22 2007-09-06 Teijin Fibers Ltd 生分解性ポリエステル回収物からの有効成分回収方法
JP5280656B2 (ja) * 2007-07-30 2013-09-04 帝人株式会社 ポリ乳酸の解重合方法
BE1017951A3 (fr) 2008-07-30 2010-01-12 Galactic Sa Procede continu d'obtention d'un ester lactique.
US20110160480A1 (en) 2008-07-30 2011-06-30 Galactic Sa Continuous Process for Obtaining a Lactic Ester
BE1018716A3 (fr) * 2009-04-14 2011-07-05 Galactic Sa Recyclage chimique du pla par hydrolyse.

Also Published As

Publication number Publication date
US20120029228A1 (en) 2012-02-02
JP2012523443A (ja) 2012-10-04
KR20120015440A (ko) 2012-02-21
EP2419396B1 (fr) 2013-05-01
WO2010118955A1 (fr) 2010-10-21
CN102348672B (zh) 2015-01-28
KR101730666B1 (ko) 2017-04-26
BRPI1013783B1 (pt) 2018-04-10
CN102348672A (zh) 2012-02-08
EP2419396A1 (fr) 2012-02-22
AU2010237249A1 (en) 2011-08-18
MX2011010492A (es) 2011-10-19
US8481675B2 (en) 2013-07-09
BE1019608A3 (fr) 2012-09-04
JP5661737B2 (ja) 2015-01-28
BRPI1013783A2 (pt) 2016-04-05

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