CA2001202A1 - Method for extraction of impurities from powder material - Google Patents

Method for extraction of impurities from powder material

Info

Publication number
CA2001202A1
CA2001202A1 CA002001202A CA2001202A CA2001202A1 CA 2001202 A1 CA2001202 A1 CA 2001202A1 CA 002001202 A CA002001202 A CA 002001202A CA 2001202 A CA2001202 A CA 2001202A CA 2001202 A1 CA2001202 A1 CA 2001202A1
Authority
CA
Canada
Prior art keywords
extractant
solid material
extractor
extraction
impurities
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.)
Abandoned
Application number
CA002001202A
Other languages
English (en)
French (fr)
Inventor
Hisashi Miyakawa
Naoki Mizutani
Kazuoki Urabe
Kageo Yoshida
Osamu Nittani
Koji Hirano
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.)
Adeka Corp
Toyo Engineering Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2001202A1 publication Critical patent/CA2001202A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/005—Removal of residual monomers by physical means from solid polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0219—Fixed bed of solid material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0288—Applications, solvents
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA002001202A 1988-10-26 1989-10-23 Method for extraction of impurities from powder material Abandoned CA2001202A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP268157/1988 1988-10-26
JP63268157A JPH02117904A (ja) 1988-10-26 1988-10-26 抽出方法

Publications (1)

Publication Number Publication Date
CA2001202A1 true CA2001202A1 (en) 1990-04-26

Family

ID=17454694

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002001202A Abandoned CA2001202A1 (en) 1988-10-26 1989-10-23 Method for extraction of impurities from powder material

Country Status (5)

Country Link
JP (1) JPH02117904A (ja)
CA (1) CA2001202A1 (ja)
DD (1) DD286297A5 (ja)
DE (1) DE3935405A1 (ja)
FR (1) FR2638098B1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550211A (en) * 1991-12-18 1996-08-27 Schering Corporation Method for removing residual additives from elastomeric articles
WO2018121980A1 (en) * 2017-01-02 2018-07-05 Sabic Global Technologies B.V. Process for recycling polyolefin

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4201046A1 (de) * 1992-01-17 1993-07-22 Bayer Ag Verfahren zur reinigung von polymerloesungen
US5244755A (en) * 1992-10-23 1993-09-14 Motorola, Inc. Battery compartment door and latch having longitudinal snaps
FR2699544B1 (fr) * 1992-12-17 1995-02-03 Valois Procédé pour éliminer les polluants à bas poids moléculaire contenus dans les joints élastomères et les matières plastiques.
GB2314336A (en) * 1996-06-18 1997-12-24 Bespak Plc Method of cleaning or purifying elastomers and elastomeric articles which are intended for medical or pharmaceutical use
FR2811951B1 (fr) * 2000-07-20 2002-10-11 Distillerie Andre Dispositif d'extraction de colorants et/ou d'essences
JP2002263402A (ja) * 2001-03-12 2002-09-17 Dia Instr:Kk 抽出方法および抽出装置
JP4632226B2 (ja) * 2003-06-17 2011-02-16 三菱化工機株式会社 粉体成分の超臨界抽出方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1795396C3 (de) * 1968-09-26 1982-05-19 Basf Ag, 6700 Ludwigshafen Verfahren zum Entfernen flüchtiger, Geruchsbelästigungen hervorrufender Bestandteile aus feinteiligen Olefinpolymerisaten
US4293668A (en) * 1979-12-26 1981-10-06 Monsanto Company Refining olefin/maleic acid copolymers by extraction with alkanes
DE3323940A1 (de) * 1983-07-02 1985-01-10 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von polymeren
JPS60210605A (ja) * 1984-04-05 1985-10-23 Nippon Petrochem Co Ltd 有臭樹脂の脱臭方法
FR2611207B1 (fr) * 1987-02-19 1989-07-13 Rhone Poulenc Sante Procede de purification des copolymeres du styrene avec les vinylpyridines par extraction au moyen d'un gaz supercritique

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5550211A (en) * 1991-12-18 1996-08-27 Schering Corporation Method for removing residual additives from elastomeric articles
US5861473A (en) * 1991-12-18 1999-01-19 Schering Corporation Method for cleaning elastomeric articles
WO2018121980A1 (en) * 2017-01-02 2018-07-05 Sabic Global Technologies B.V. Process for recycling polyolefin
CN110139895A (zh) * 2017-01-02 2019-08-16 Sabic环球技术有限责任公司 使聚烯烃再循环的方法
US11130850B2 (en) 2017-01-02 2021-09-28 Sabic Global Technologies B.V. Process for recycling polyolefin
CN110139895B (zh) * 2017-01-02 2022-06-24 Sabic环球技术有限责任公司 使聚烯烃再循环的方法

Also Published As

Publication number Publication date
FR2638098A1 (fr) 1990-04-27
JPH02117904A (ja) 1990-05-02
DE3935405A1 (de) 1990-05-03
DD286297A5 (de) 1991-01-24
FR2638098B1 (fr) 1994-07-08

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead