ZA881147B - Process for purifying styrene/vinylpyridine copolymers - Google Patents
Process for purifying styrene/vinylpyridine copolymersInfo
- 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
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)
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 (xx) |
EP (1) | EP0281464A1 (xx) |
JP (1) | JPS63205309A (xx) |
KR (1) | KR880010006A (xx) |
AU (1) | AU1191288A (xx) |
FR (1) | FR2611207B1 (xx) |
HU (1) | HUT46345A (xx) |
NZ (1) | NZ223545A (xx) |
ZA (1) | ZA881147B (xx) |
Families Citing this family (23)
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 |
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 |
US5478921A (en) * | 1994-08-25 | 1995-12-26 | United States Surgical Corporation | Method of purifying bioabsorable polymer |
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)
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. |
DE3475197D1 (en) * | 1984-09-27 | 1988-12-22 | Eastman Kodak Co | 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. |
US4703105A (en) * | 1985-12-23 | 1987-10-27 | The Dow Chemical Company | Extraction of residues from styrenic polymers |
US4695621A (en) * | 1985-12-23 | 1987-09-22 | The Dow Chemical Company | Method for reducing residual monomers from oversized fat imbibing copolymer beads |
-
1987
- 1987-02-19 FR FR8702114A patent/FR2611207B1/fr not_active Expired
-
1988
- 1988-02-17 NZ NZ223545A patent/NZ223545A/xx unknown
- 1988-02-17 AU AU11912/88A patent/AU1191288A/en not_active Abandoned
- 1988-02-17 JP JP63032941A patent/JPS63205309A/ja active Pending
- 1988-02-18 HU HU88782A patent/HUT46345A/hu unknown
- 1988-02-18 EP EP88400370A patent/EP0281464A1/fr not_active Withdrawn
- 1988-02-18 ZA ZA881147A patent/ZA881147B/xx unknown
- 1988-02-19 KR KR1019880001730A patent/KR880010006A/ko not_active Application Discontinuation
-
1989
- 1989-07-28 US US07/385,956 patent/US4902780A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0281464A1 (fr) | 1988-09-07 |
JPS63205309A (ja) | 1988-08-24 |
FR2611207B1 (fr) | 1989-07-13 |
AU1191288A (en) | 1988-08-25 |
HUT46345A (en) | 1988-10-28 |
NZ223545A (en) | 1989-06-28 |
KR880010006A (ko) | 1988-10-06 |
US4902780A (en) | 1990-02-20 |
FR2611207A1 (fr) | 1988-08-26 |
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