IN2015DN02401A - - Google Patents

Info

Publication number
IN2015DN02401A
IN2015DN02401A IN2401DEN2015A IN2015DN02401A IN 2015DN02401 A IN2015DN02401 A IN 2015DN02401A IN 2401DEN2015 A IN2401DEN2015 A IN 2401DEN2015A IN 2015DN02401 A IN2015DN02401 A IN 2015DN02401A
Authority
IN
India
Prior art keywords
cyclic diester
glycolid
contaminant
recovering
recovered
Prior art date
Application number
Other languages
English (en)
Inventor
Rainer Hagen
Udo Mühlbauer
Original Assignee
Uhde Inventa Fischer Gmbh
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 Uhde Inventa Fischer Gmbh filed Critical Uhde Inventa Fischer Gmbh
Publication of IN2015DN02401A publication Critical patent/IN2015DN02401A/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D7/00Sublimation
    • B01D7/02Crystallisation directly from the vapour phase
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10Vacuum distillation
    • B01D3/101Recirculation of the fluid used as fluid working medium in a vacuum creating device
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10Vacuum distillation
    • B01D3/105Vacuum distillation with the use of an ejector for creating the vacuum, the ejector being placed between evaporator or distillation devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D5/00Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0033Other features
    • B01D5/0045Vacuum condensation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D319/00Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/101,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/121,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08Lactones or lactides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/78Preparation processes
    • C08G63/785Preparation processes characterised by the apparatus used
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/88Post-polymerisation treatment
    • C08G63/90Purification; Drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IN2401DEN2015 2012-12-18 2013-10-17 IN2015DN02401A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP12197885.2A EP2746313B1 (de) 2012-12-18 2012-12-18 Vorrichtung und Verfahren zur Abtrennung eines cyclischen Diesters aus Polymerschmelzen
PCT/EP2013/071674 WO2014095116A1 (de) 2012-12-18 2013-10-17 Vorrichtung und verfahren zur abtrennung eines cyclischen diesters aus polymerschmelzen

Publications (1)

Publication Number Publication Date
IN2015DN02401A true IN2015DN02401A (es) 2015-09-04

Family

ID=47561144

Family Applications (1)

Application Number Title Priority Date Filing Date
IN2401DEN2015 IN2015DN02401A (es) 2012-12-18 2013-10-17

Country Status (11)

Country Link
US (1) US10322358B2 (es)
EP (1) EP2746313B1 (es)
KR (1) KR101982543B1 (es)
CN (2) CN106977492B (es)
BR (1) BR112015014084B1 (es)
EA (1) EA028421B1 (es)
ES (1) ES2649369T3 (es)
IN (1) IN2015DN02401A (es)
MX (1) MX366117B (es)
TW (1) TWI609009B (es)
WO (1) WO2014095116A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2649369T3 (es) 2012-12-18 2018-01-11 Uhde Inventa-Fischer Gmbh Dispositivo y procedimiento para la separación de un diéster cíclico de masas fundidas poliméricas
RU2621342C1 (ru) * 2016-07-29 2017-06-02 Федеральное государственное автономное образовательное учреждение высшего образования "Национальный исследовательский Томский государственный университет" (ТГУ, НИ ТГУ) Приемник вакуумного камерного реактора синтеза гликолида и лактида
EP3318590B1 (de) 2016-11-08 2020-08-05 thyssenkrupp AG Verfahren zur abtrennung von flüchtigen verbindungen aus viskosen produkten mit einem dünnschichtverdampfer
US10358540B2 (en) * 2017-06-09 2019-07-23 GM Global Technology Operations LLC Process and system for reducing volatile compound emissions from a product
US10266512B2 (en) 2017-08-10 2019-04-23 Novus International, Inc. Processes for preparing heteroatom containing cyclic dimers
DE102018120988C5 (de) 2018-08-28 2023-01-12 Technip Zimmer Gmbh Verfahren und Vorrichtung zur Herstellung von extraktarmem Polyamid 6
CN112892147B (zh) * 2021-01-30 2022-05-13 成都易态科技有限公司 混合气体的处理方法
CN112892097B (zh) * 2021-01-30 2022-05-13 成都易态科技有限公司 混合气体的处理方法
CN112807921B (zh) * 2021-01-30 2022-05-13 成都易态科技有限公司 混合气体的处理系统
CN114146442A (zh) * 2021-12-14 2022-03-08 中国船舶重工集团公司第七0三研究所 真空旋流交换装置及其控制方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023350A (en) * 1990-05-24 1991-06-11 E. I. Du Pont De Nemours And Company Process for the purification of cyclic esters
US5136017A (en) 1991-02-22 1992-08-04 Polysar Financial Services S.A. Continuous lactide polymerization
US5770682A (en) 1995-07-25 1998-06-23 Shimadzu Corporation Method for producing polylactic acid
JP3330284B2 (ja) * 1996-07-03 2002-09-30 株式会社神戸製鋼所 ポリ乳酸の製造方法
ATE229549T1 (de) 1997-02-14 2002-12-15 Fortum Oil & Gas Oy Verfahren zur entfernung und gewinnung von laktid aus polylaktid
DE10020898B4 (de) 2000-04-20 2004-02-05 Inventa-Fischer Gmbh Verfahren zur Herstellung von Polymilchsäure und Vorrichtung hierzu
EP2030679A1 (de) 2007-09-03 2009-03-04 Uhde Inventa-Fischer GmbH Polymerisationsreaktor, Polymerisationsvorrichtung, Verfahren zur Herstellung von bioabbaubarem Polyester sowie Verwendungen
EP2055730B1 (en) 2007-10-29 2013-02-27 Hitachi Plant Technologies, Ltd. Polymer producing method and apparatus and polymer degassing method and apparatus
JP4670901B2 (ja) 2008-05-27 2011-04-13 株式会社日立プラントテクノロジー ポリ乳酸の製造装置およびその方法
MX343859B (es) * 2011-02-18 2016-11-25 Sulzer Chemtech Ag Metodo para la manufactura de un acido polihidroxicarboxilico.
CN202052518U (zh) * 2011-03-19 2011-11-30 友邦(江苏)聚氨酯新材料有限公司 生产聚醚多元醇的真空系统
EP2559725B1 (de) 2011-08-19 2024-05-08 Uhde Inventa-Fischer GmbH Verfahren und Vorrichtung zur Rückgewinnung von Lactid aus Polylactid bzw. Glycolid aus Polyglycolid
EP2725048B1 (de) 2012-10-29 2016-07-20 Uhde Inventa-Fischer GmbH Verfahren zur Herstellung eines hochmolekularen Polyesters oder Copolyesters sowie diese enthaltende Polymerblends
ES2649369T3 (es) 2012-12-18 2018-01-11 Uhde Inventa-Fischer Gmbh Dispositivo y procedimiento para la separación de un diéster cíclico de masas fundidas poliméricas

Also Published As

Publication number Publication date
CN104995233B (zh) 2017-05-10
ES2649369T3 (es) 2018-01-11
BR112015014084A2 (pt) 2017-07-11
US20150329516A1 (en) 2015-11-19
CN106977492A (zh) 2017-07-25
EA201590365A1 (ru) 2015-09-30
MX2015007606A (es) 2015-10-22
MX366117B (es) 2019-06-27
KR20150118083A (ko) 2015-10-21
EA028421B1 (ru) 2017-11-30
EP2746313B1 (de) 2017-08-30
US10322358B2 (en) 2019-06-18
CN106977492B (zh) 2019-10-18
KR101982543B1 (ko) 2019-05-27
WO2014095116A1 (de) 2014-06-26
TWI609009B (zh) 2017-12-21
EP2746313A1 (de) 2014-06-25
BR112015014084B1 (pt) 2021-08-31
CN104995233A (zh) 2015-10-21
TW201434823A (zh) 2014-09-16

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