ZA881147B - Process for purifying styrene/vinylpyridine copolymers - Google Patents

Process for purifying styrene/vinylpyridine copolymers

Info

Publication number
ZA881147B
ZA881147B ZA881147A ZA881147A ZA881147B ZA 881147 B ZA881147 B ZA 881147B ZA 881147 A ZA881147 A ZA 881147A ZA 881147 A ZA881147 A ZA 881147A ZA 881147 B ZA881147 B ZA 881147B
Authority
ZA
South Africa
Prior art keywords
vinylpyridine copolymers
purifying styrene
purifying
styrene
vinylpyridine
Prior art date
Application number
ZA881147A
Other languages
English (en)
Inventor
Bourrain Paul
Collas Gerard
Rostaing Jean-Francois
Sagi Francois
Original Assignee
Rhone-Poulenc Sante
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 Rhone-Poulenc Sante filed Critical Rhone-Poulenc Sante
Publication of ZA881147B publication Critical patent/ZA881147B/xx

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
    • 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
    • C08F226/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen
    • C08F226/06—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen by a heterocyclic ring containing nitrogen
    • 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)
  • 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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA881147A 1987-02-19 1988-02-18 Process for purifying styrene/vinylpyridine copolymers ZA881147B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8702114A FR2611207B1 (fr) 1987-02-19 1987-02-19 Procede de purification des copolymeres du styrene avec les vinylpyridines par extraction au moyen d'un gaz supercritique

Publications (1)

Publication Number Publication Date
ZA881147B true ZA881147B (en) 1988-08-15

Family

ID=9348061

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA881147A ZA881147B (en) 1987-02-19 1988-02-18 Process for purifying styrene/vinylpyridine copolymers

Country Status (9)

Country Link
US (1) US4902780A (ko)
EP (1) EP0281464A1 (ko)
JP (1) JPS63205309A (ko)
KR (1) KR880010006A (ko)
AU (1) AU1191288A (ko)
FR (1) FR2611207B1 (ko)
HU (1) HUT46345A (ko)
NZ (1) NZ223545A (ko)
ZA (1) ZA881147B (ko)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0286604A (ja) * 1988-09-22 1990-03-27 Toyo Eng Corp 重合体の精製方法
JPH02117904A (ja) * 1988-10-26 1990-05-02 Toyo Eng Corp 抽出方法
JPH02169603A (ja) * 1988-12-23 1990-06-29 Toyo Eng Corp 重合体分散液の精製方法
JPH02305831A (ja) * 1989-05-19 1990-12-19 Chlorine Eng Corp Ltd 多孔性重合体粒子の製造方法
CA2035604A1 (en) * 1990-02-16 1991-08-17 Robert W. Coyle Purification of latex
US5049328A (en) * 1990-07-02 1991-09-17 Arco Chemical Technology, Inc. Purification, impregnation and foaming of polymer particles with carbon dioxide
US5149775A (en) * 1991-01-25 1992-09-22 Eastman Kodak Company Method for purifying high molecular weight vinylpyridine/styrene polymers from solution
US5210149A (en) * 1992-10-30 1993-05-11 Hoechst Celanese Corporation Amphoteric copolymer derived from vinylpyridine and acetoxystyrene
US5304610A (en) * 1993-01-12 1994-04-19 Hoechst Celanese Corporation Amphoteric copolymer derived from vinylpyridine and acetoxystyrene
US5376744A (en) * 1993-11-10 1994-12-27 The University Of Akron Carbocationic polymerizations in supercritical CO2
US5478921A (en) * 1994-08-25 1995-12-26 United States Surgical Corporation Method of purifying bioabsorable polymer
US5670614A (en) * 1994-08-25 1997-09-23 United States Surgical Corporation Method of increasing the plasticity and/or elasticity of polymers via supercritical fluid extraction and medical devices fabricated therefrom
US6369192B1 (en) 1995-10-27 2002-04-09 Praxair Technology, Inc. Methods for removing contaminants from polymers
DE19616046C2 (de) * 1996-04-23 1998-03-26 Joachim Brimmer Ingenieurbuero Verfahren zur Abtrennung von organischen Monomeren oder Hilfsstoffen
FI101294B1 (fi) * 1996-10-30 1998-05-29 Valtion Teknillinen Menetelmä pyridiinin tai pyridiinijohdannaisten erottamiseksi vesiliuoksista
WO2000023503A1 (en) * 1998-10-16 2000-04-27 Richart Douglas S Resin mixtures and dispersions
US6248797B1 (en) * 1999-05-17 2001-06-19 Shelton A. Dias Supercritical carbon dioxide extraction of contaminants from ion exchange resins
US6429284B2 (en) * 2000-05-18 2002-08-06 Matsushita Electric Industrial Co., Ltd. Method for treating flame retardant resin composition
AU2001277149A1 (en) * 2000-08-29 2002-03-13 Chevron Phillips Chemical Company Lp Process for the production of copolymers or terpolymers with functionalized pendant groups
EP1247829A1 (fr) * 2001-04-06 2002-10-09 University of Liege Méthode de préparation de polyester nanocomposite
KR20030068867A (ko) * 2002-02-18 2003-08-25 주식회사 엘지화학 초임계 유체를 이용한 고분자 분리방법
EP3360904A1 (en) * 2017-02-10 2018-08-15 Evonik Degussa GmbH Process for preparing polyalkenamers for packaging applications
US10723858B2 (en) 2018-09-18 2020-07-28 Greenmantra Recycling Technologies Ltd. Method for purification of depolymerized polymers using supercritical fluid extraction

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122679A1 (de) * 1981-06-06 1982-12-23 Basf Ag, 6700 Ludwigshafen Verfahren zum desodorieren feinteiliger, mittels ziegler-natta-katalysatoren erhaltener propylenpolymerisate
DE3130304A1 (de) * 1981-07-31 1983-02-17 Basf Ag, 6700 Ludwigshafen Verfahren zum desodorieren feinteiliger, mittels ziegler-katalysatoren erhaltener ethylenpolymerisate
DE3323940A1 (de) * 1983-07-02 1985-01-10 Hoechst Ag, 6230 Frankfurt Verfahren zur reinigung von polymeren
NL8303942A (nl) * 1983-11-17 1985-06-17 Stamicarbon Werkwijze voor de zuivering van een rubber.
EP0176642B1 (en) * 1984-09-27 1988-11-17 EASTMAN KODAK COMPANY (a New Jersey corporation) Process for removal of low molecular weight fractions from vinyl pyridine polymers and copolymers
NL8403488A (nl) * 1984-11-15 1986-06-02 Stamicarbon Werkwijze voor de zuivering van een acrylonitrilgroepen bevattend copolymeer.
US4695621A (en) * 1985-12-23 1987-09-22 The Dow Chemical Company Method for reducing residual monomers from oversized fat imbibing copolymer beads
US4703105A (en) * 1985-12-23 1987-10-27 The Dow Chemical Company Extraction of residues from styrenic polymers

Also Published As

Publication number Publication date
EP0281464A1 (fr) 1988-09-07
JPS63205309A (ja) 1988-08-24
NZ223545A (en) 1989-06-28
US4902780A (en) 1990-02-20
FR2611207A1 (fr) 1988-08-26
FR2611207B1 (fr) 1989-07-13
HUT46345A (en) 1988-10-28
KR880010006A (ko) 1988-10-06
AU1191288A (en) 1988-08-25

Similar Documents

Publication Publication Date Title
ZA881147B (en) Process for purifying styrene/vinylpyridine copolymers
YU175288A (en) Process for purifying waste gasses
EP0311099A3 (en) Styrene copolymer and process for producing said copolymer
EP0169997A3 (en) Process for purifying smoke
GB8707304D0 (en) Chemical process
GB8711983D0 (en) Modified block copolymers
HU905046D0 (en) Process for purifying n-phosphono-methyl-glycine
GB2223022B (en) Method for purifying polymer
GB8815621D0 (en) Regeneration process for fischertropsch catalyst
AR244650A1 (es) Una composicion en pasta liquida para hacer articulos moldeados de loza blanca y procedimiento para realizar dichos articulos por colada.
GB8824592D0 (en) Purification process
GB9005900D0 (en) Process for purifying proteins
EP0312221A3 (en) Chemical process
EP0299239A3 (en) Process for purifying phenol
YU45459B (en) Process for purifying aluminium-trioxide
HUT59897A (en) Process for purifying vinyl-aromatic monomeres
EP0434836A4 (en) Method for purifying teneicine
GB2216125B (en) Process for purifying 4,4'-dihydroxydiphenylsulfone
GB8914049D0 (en) Process for purifying indole
AR244664A1 (es) Procedimiento para la purificacion de caprolactama.
GB8700402D0 (en) Chemical process
GB8705564D0 (en) Chemical process
PL269079A1 (en) Method for purifying 2-brom-2-nitro-propandiol-1,3
EP0292951A3 (en) Process for purifying 2,4-xylenol
GB8717479D0 (en) Purification process