FR2638098B1 - PROCESS FOR THE EXTRACTION OF IMPURITIES CONTAINED IN A POWDERED MATERIAL - Google Patents

PROCESS FOR THE EXTRACTION OF IMPURITIES CONTAINED IN A POWDERED MATERIAL

Info

Publication number
FR2638098B1
FR2638098B1 FR8913992A FR8913992A FR2638098B1 FR 2638098 B1 FR2638098 B1 FR 2638098B1 FR 8913992 A FR8913992 A FR 8913992A FR 8913992 A FR8913992 A FR 8913992A FR 2638098 B1 FR2638098 B1 FR 2638098B1
Authority
FR
France
Prior art keywords
extraction
impurities contained
powdered material
powdered
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.)
Expired - Fee Related
Application number
FR8913992A
Other languages
French (fr)
Other versions
FR2638098A1 (en
Inventor
Hisashi Miyakawa
Naoki Mizutani
Kazuoki Urabe
Kageo Yoshida
Koji Hirano
Osamu Nittani
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
Toyo Engineering Corp
Asahi Denka Kogyo KK
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 Toyo Engineering Corp, Asahi Denka Kogyo KK filed Critical Toyo Engineering Corp
Publication of FR2638098A1 publication Critical patent/FR2638098A1/en
Application granted granted Critical
Publication of FR2638098B1 publication Critical patent/FR2638098B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
FR8913992A 1988-10-26 1989-10-25 PROCESS FOR THE EXTRACTION OF IMPURITIES CONTAINED IN A POWDERED MATERIAL Expired - Fee Related FR2638098B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63268157A JPH02117904A (en) 1988-10-26 1988-10-26 Extraction

Publications (2)

Publication Number Publication Date
FR2638098A1 FR2638098A1 (en) 1990-04-27
FR2638098B1 true FR2638098B1 (en) 1994-07-08

Family

ID=17454694

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8913992A Expired - Fee Related FR2638098B1 (en) 1988-10-26 1989-10-25 PROCESS FOR THE EXTRACTION OF IMPURITIES CONTAINED IN A POWDERED MATERIAL

Country Status (5)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU94030473A (en) * 1991-12-18 1996-05-27 Шеринг Корпорейшн (US) Method of cleansing elastomeric article from residual impurities and elastomeric article cleansed by this method
DE4201046A1 (en) * 1992-01-17 1993-07-22 Bayer Ag METHOD FOR CLEANING POLYMER SOLUTIONS
US5244755A (en) * 1992-10-23 1993-09-14 Motorola, Inc. Battery compartment door and latch having longitudinal snaps
FR2699544B1 (en) * 1992-12-17 1995-02-03 Valois Process for removing low molecular weight pollutants from elastomeric seals and plastics.
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 (en) * 2000-07-20 2002-10-11 Distillerie Andre DYE AND / OR ESSENCE EXTRACTION DEVICE
JP2002263402A (en) * 2001-03-12 2002-09-17 Dia Instr:Kk Extraction method and extraction device
JP4632226B2 (en) * 2003-06-17 2011-02-16 三菱化工機株式会社 Supercritical extraction method of powder components
US11130850B2 (en) 2017-01-02 2021-09-28 Sabic Global Technologies B.V. Process for recycling polyolefin

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1795396C3 (en) * 1968-09-26 1982-05-19 Basf Ag, 6700 Ludwigshafen Process for removing volatile, odor-causing constituents from finely divided olefin polymers
US4293668A (en) * 1979-12-26 1981-10-06 Monsanto Company Refining olefin/maleic acid copolymers by extraction with alkanes
DE3323940A1 (en) * 1983-07-02 1985-01-10 Hoechst Ag, 6230 Frankfurt Process for the purification of polymers
JPS60210605A (en) * 1984-04-05 1985-10-23 Nippon Petrochem Co Ltd Deodorization of odoriferous resin
FR2611207B1 (en) * 1987-02-19 1989-07-13 Rhone Poulenc Sante PROCESS FOR THE PURIFICATION OF STYRENE COPOLYMERS WITH VINYLPYRIDINES BY EXTRACTION USING SUPERCRITICAL GAS

Also Published As

Publication number Publication date
CA2001202A1 (en) 1990-04-26
DD286297A5 (en) 1991-01-24
FR2638098A1 (en) 1990-04-27
JPH02117904A (en) 1990-05-02
DE3935405A1 (en) 1990-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse