ES2093659T3 - Procedimiento para la recuperacion de polimeros solubles en medio acuoso alcalino o acido. - Google Patents

Procedimiento para la recuperacion de polimeros solubles en medio acuoso alcalino o acido.

Info

Publication number
ES2093659T3
ES2093659T3 ES91112076T ES91112076T ES2093659T3 ES 2093659 T3 ES2093659 T3 ES 2093659T3 ES 91112076 T ES91112076 T ES 91112076T ES 91112076 T ES91112076 T ES 91112076T ES 2093659 T3 ES2093659 T3 ES 2093659T3
Authority
ES
Spain
Prior art keywords
aqueous alkaline
recovery
procedure
soluble polymers
acid medium
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
ES91112076T
Other languages
English (en)
Inventor
Michael Dr Gass
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Belland AG
Original Assignee
Belland AG
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 Belland AG filed Critical Belland AG
Application granted granted Critical
Publication of ES2093659T3 publication Critical patent/ES2093659T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • C08J11/06—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
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/10—Polymers characterised by the presence of specified groups, e.g. terminal or pendant functional groups
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

PROCEDIMIENTO PARA LA RECUPERACION DE POLIMEROS MEDIANTE DISOLUCION EN MEDIO ALCALINO ACUOSO O ACIDO Y PRECIPITACION EN UNA CORRIENTE ACUOSA FUERTEMENTE TURBULENTA CON MADURACION Y SIGUIENTE DE LAS PARTICULAS PRECIPITADAS EN UNA CORRIENTE LAMINAR.
ES91112076T 1990-07-27 1991-07-19 Procedimiento para la recuperacion de polimeros solubles en medio acuoso alcalino o acido. Expired - Lifetime ES2093659T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19904023910 DE4023910A1 (de) 1990-07-27 1990-07-27 Verfahren zur wiedergewinnung von in waessrig alkalischem oder saurem milieu aufloesbaren polymeren

Publications (1)

Publication Number Publication Date
ES2093659T3 true ES2093659T3 (es) 1997-01-01

Family

ID=6411152

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91112076T Expired - Lifetime ES2093659T3 (es) 1990-07-27 1991-07-19 Procedimiento para la recuperacion de polimeros solubles en medio acuoso alcalino o acido.

Country Status (6)

Country Link
US (1) US5317043A (es)
EP (1) EP0468375B1 (es)
JP (1) JP3181940B2 (es)
AT (1) ATE144545T1 (es)
DE (2) DE4023910A1 (es)
ES (1) ES2093659T3 (es)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475036A (en) * 1992-01-27 1995-12-12 The Japan Steel Works, Ltd. Process for reusing plastic articles with coatings
DE4202248A1 (de) * 1992-01-28 1993-07-29 Belland Ag Verfahren zur wiedergewinnung von in waessrig alkalischem oder saurem milieu geloesten polymeren
DE4213450C1 (de) * 1992-04-24 1994-01-27 Dirk Dipl Ing Kehler Verfahren und Vorrichtung zur Aufbereitung von Verbundglasscheiben und Rückgewinnung der Werkstoffkomponenten
JP3424801B2 (ja) * 1998-02-23 2003-07-07 東洋紡績株式会社 ラベルを装着したボトル及びその再生方法
US7754807B2 (en) * 1999-04-20 2010-07-13 Stratasys, Inc. Soluble material and process for three-dimensional modeling
US6348093B1 (en) 2000-04-27 2002-02-19 W. R. Grace & Co. - Conn Basic-medium-soluble packaging material for use in castable cementitious composites
FR2877949B1 (fr) * 2004-11-15 2007-11-23 Solvay Sa Sa Belge Procede d'epuration d'une solution de matiere plastique
DE102006032225A1 (de) * 2006-07-07 2008-01-10 Belland Ag Anhydritisiertes Copolymer
KR20110097758A (ko) * 2008-10-16 2011-08-31 우베 고산 가부시키가이샤 고분자 입자의 제조 방법 및 제조 장치
US8246888B2 (en) * 2008-10-17 2012-08-21 Stratasys, Inc. Support material for digital manufacturing systems
US9592539B2 (en) * 2010-01-05 2017-03-14 Stratasys, Inc. Support cleaning system
USD682490S1 (en) 2011-01-05 2013-05-14 Stratasys, Inc. Support cleaning system
US8460755B2 (en) 2011-04-07 2013-06-11 Stratasys, Inc. Extrusion-based additive manufacturing process with part annealing
US8459280B2 (en) 2011-09-23 2013-06-11 Stratasys, Inc. Support structure removal system
DE102012220498A1 (de) * 2012-11-09 2014-05-15 Aquafil Engineering Gmbh Verfahren und Vorrichtung zur Behandlung von Polymeren
US9714318B2 (en) 2013-07-26 2017-07-25 Stratasys, Inc. Polyglycolic acid support material for additive manufacturing systems
US10059053B2 (en) 2014-11-04 2018-08-28 Stratasys, Inc. Break-away support material for additive manufacturing
US12410265B2 (en) * 2020-06-17 2025-09-09 Grst Singapore Pte. Ltd. Method for polymer precipitation
KR102834307B1 (ko) 2020-07-29 2025-07-16 엘지전자 주식회사 의류처리장치
EP4192628A1 (en) * 2020-08-07 2023-06-14 Apk Ag Method for plastic pre-treatment and solvent-based plastic recycling

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH586258A5 (en) * 1974-04-09 1977-03-31 Uetikon Chem Fab Organic flocculant auxiliary granulate prodn. - by mixing water-soluble high polymer salt and water gives free-running dust-free prod.
US4025489A (en) * 1975-01-27 1977-05-24 Mobay Chemical Corporation Utilization of bisphenol-A from the alkaline phase generated in the production of polycarbonates
JPS52125582A (en) * 1975-03-12 1977-10-21 Mitsui Mining & Smelting Co Method of peeling other substance from plastics
JPS578226A (en) * 1980-06-17 1982-01-16 Nippon Akuriru Kagaku Kk Reclamation of synthetic resin emulsion
SU966020A1 (ru) * 1981-03-27 1982-10-15 Харьковский Ордена Ленина Политехнический Институт Им.В.И.Ленина Флотационный аппарат дл реагентной очистки сточных вод
US4358550A (en) * 1981-07-14 1982-11-09 Hercules Incorporated Process for preparation of aqueous solutions of water-soluble polymers
FR2540879A1 (fr) * 1983-02-14 1984-08-17 Rhone Poulenc Spec Chim Suspensions concentrees de polymeres hydrosolubles
DE3335954A1 (de) * 1983-10-04 1985-04-04 Roland Dipl.-Kaufm. 7022 Leinfelden-Echterdingen Belz Verfahren zur durchfuehrung von chemischen reaktionen, insbesondere zur herstellung von kunststoffen mit hilfe von extrudern und anlage hierzu
DE3435468A1 (de) * 1984-09-27 1986-04-10 Belland Ag, Solothurn Thermoplastisches polymerisat und gegenstaende aus einem thermoplastischen polymerisat
DE3518673C2 (de) * 1985-05-24 1994-08-11 Henkel Kgaa Leicht auflösbare Zubereitung kationischer Polymerer
US4799954A (en) * 1987-02-13 1989-01-24 E. I. Du Pont De Nemours And Company Recovery of silver from photographic film with high shear and caustic
DE3888286D1 (de) * 1987-10-28 1994-04-14 Belland Ag Solothurn COOH-Gruppen enthaltendes Polymerisat, Mischung von COOH-Gruppen enthaltenden Polymerisaten mit Füllstoffen und Verwendung zur Herstellung von Formkörpern.
DE3738786A1 (de) * 1987-11-14 1989-05-24 Belland Ag Im waessrigem alkali aufloesbare klebefolie, wie etikett und dgl.
DE3742472A1 (de) * 1987-12-15 1989-06-29 Belland Ag Aminogruppen enthaltendes polymerisat, verfahren zu seiner herstellung und verwendung

Also Published As

Publication number Publication date
EP0468375A3 (en) 1992-05-20
JPH04248849A (ja) 1992-09-04
ATE144545T1 (de) 1996-11-15
US5317043A (en) 1994-05-31
DE59108292D1 (de) 1996-11-28
EP0468375B1 (de) 1996-10-23
DE4023910A1 (de) 1992-01-30
JP3181940B2 (ja) 2001-07-03
EP0468375A2 (de) 1992-01-29

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