IN2014MN02312A - - Google Patents

Info

Publication number
IN2014MN02312A
IN2014MN02312A IN2312MUN2014A IN2014MN02312A IN 2014MN02312 A IN2014MN02312 A IN 2014MN02312A IN 2312MUN2014 A IN2312MUN2014 A IN 2312MUN2014A IN 2014MN02312 A IN2014MN02312 A IN 2014MN02312A
Authority
IN
India
Prior art keywords
terephthalate
tamers
flakes
ethane
diol
Prior art date
Application number
Inventor
Shankar Devraj
Original Assignee
Perpetual Global Technologies Ltd
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 Perpetual Global Technologies Ltd filed Critical Perpetual Global Technologies Ltd
Priority to IN2312MUN2014 priority Critical patent/IN2014MN02312A/en
Publication of IN2014MN02312A publication Critical patent/IN2014MN02312A/en

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
    • C08G63/78—Preparation processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/12—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic in rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/24—Obtaining flakes by scraping a solid layer from a surface
    • 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
    • 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
    • C08J2367/02—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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

There is provided flakes of an ester mixture comprising bis (hydroxyethyl) terephthalate dimers tamers tetramers pentamers and higher oligomers of ethane 1 2 diol and terephthalate acid.
IN2312MUN2014 2012-04-20 2013-04-18 IN2014MN02312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IN2312MUN2014 IN2014MN02312A (en) 2012-04-20 2013-04-18

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IN1271MU2012 2012-04-20
PCT/IN2013/000256 WO2013175497A1 (en) 2012-04-20 2013-04-18 Flakes of ester mixtures and methods for their production
IN2312MUN2014 IN2014MN02312A (en) 2012-04-20 2013-04-18

Publications (1)

Publication Number Publication Date
IN2014MN02312A true IN2014MN02312A (en) 2015-08-07

Family

ID=49115547

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2312MUN2014 IN2014MN02312A (en) 2012-04-20 2013-04-18

Country Status (14)

Country Link
US (1) US9234074B2 (en)
EP (1) EP2838941B1 (en)
CN (1) CN104395383B (en)
BR (1) BR112014026101B1 (en)
CO (1) CO7141469A2 (en)
ES (1) ES2767174T3 (en)
IN (1) IN2014MN02312A (en)
MX (1) MX368905B (en)
PH (1) PH12014502342A1 (en)
SA (1) SA113340483B1 (en)
SG (1) SG11201406229PA (en)
TW (1) TWI588178B (en)
WO (1) WO2013175497A1 (en)
ZA (1) ZA201407687B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI630221B (en) * 2017-05-26 2018-07-21 遠東新世紀股份有限公司 Polyester production method
EP4276131A1 (en) 2022-05-10 2023-11-15 Polymetrix AG Method for the preparation of a polyester
WO2023217707A1 (en) 2022-05-10 2023-11-16 Polymetrix Ag Method for the preparation of a polyester
EP4353774A1 (en) 2022-10-10 2024-04-17 Polykey Polymers, S.L. Low-temperature organocatalyzed depolymerization of poly(ethylene terephthalate)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB610136A (en) * 1946-03-28 1948-10-12 Royden Lewis Heath Degradation of aromatic linear polyesters
JPS60248646A (en) 1984-05-25 1985-12-09 Toray Ind Inc Depolymerization of waste polyester
NZ252649A (en) 1992-05-18 1996-03-26 Petwest Pty Ltd Substituted Fo Removing contaminants from and depolymerisation of (used) polyethylene terephthalate (pet) by transesterification using ethylene glycol at elevated temperature and various purification steps to yield terephthalic acid
AUPM499394A0 (en) 1994-04-11 1994-05-05 Petwest Pty Ltd Improved polyethylene terephthalate decontamination
US5635584A (en) 1995-12-07 1997-06-03 Eastman Chemical Company Process including glycolysis and subsequent purification for recycling polyester materials
AUPP261498A0 (en) 1998-03-27 1998-04-23 Swig Pty Ltd Improved conversion of contaminated polyethylene terephthalate to polybutylene terephthalate
AUPP598098A0 (en) 1998-09-17 1998-10-08 West, Simon Michael Process for decontaminating ethanediol
AUPP610798A0 (en) 1998-09-23 1998-10-15 Swig Pty Ltd Improved polymers
CN1264804C (en) 2002-06-04 2006-07-19 株式会社爱维塑 Processes for the purification of bis(2-hydroxyethyl)terephthalate
MXPA05009111A (en) 2003-02-27 2006-01-27 Petrecycle Ltd A method for the decontamination of polyethylene terephthalate.
JP2005154671A (en) * 2003-11-28 2005-06-16 Teijin Fibers Ltd Method for producing polyethylene terephthalate
US20060110557A1 (en) * 2004-09-03 2006-05-25 Zhiyong Xia Polyester polymer and copolymer compositions containing metallic tungsten particles

Also Published As

Publication number Publication date
SG11201406229PA (en) 2014-11-27
EP2838941B1 (en) 2019-11-06
ZA201407687B (en) 2015-10-28
PH12014502342A1 (en) 2014-12-22
TWI588178B (en) 2017-06-21
EP2838941A1 (en) 2015-02-25
MX2014012420A (en) 2015-01-12
BR112014026101B1 (en) 2021-02-02
WO2013175497A1 (en) 2013-11-28
US9234074B2 (en) 2016-01-12
CN104395383A (en) 2015-03-04
US20150065680A1 (en) 2015-03-05
SA113340483B1 (en) 2015-12-14
CN104395383B (en) 2017-10-10
BR112014026101A2 (en) 2018-05-08
ES2767174T3 (en) 2020-06-16
MX368905B (en) 2019-10-21
TW201404800A (en) 2014-02-01
CO7141469A2 (en) 2014-12-12

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