GB2242434B - A method for purifying a polymer - Google Patents

A method for purifying a polymer

Info

Publication number
GB2242434B
GB2242434B GB9106008A GB9106008A GB2242434B GB 2242434 B GB2242434 B GB 2242434B GB 9106008 A GB9106008 A GB 9106008A GB 9106008 A GB9106008 A GB 9106008A GB 2242434 B GB2242434 B GB 2242434B
Authority
GB
United Kingdom
Prior art keywords
purifying
polymer
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
GB9106008A
Other versions
GB9106008D0 (en
GB2242434A (en
Inventor
Hisashi Miyakawa
Takanobu Shinohara
Tetsuo Maeda
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.)
Toyo Engineering Corp
Original Assignee
Toyo Engineering Corp
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 filed Critical Toyo Engineering Corp
Publication of GB9106008D0 publication Critical patent/GB9106008D0/en
Publication of GB2242434A publication Critical patent/GB2242434A/en
Application granted granted Critical
Publication of GB2242434B publication Critical patent/GB2242434B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/84—Venting or degassing ; Removing liquids, e.g. by evaporating components
    • B29B7/845—Venting, degassing or removing evaporated components in devices with rotary stirrers
    • B29B7/847—Removing of gaseous components before or after mixing
    • 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
    • C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/32—Polymers modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/46—Post-polymerisation treatment, e.g. recovery, purification, drying
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G85/00—General processes for preparing compounds provided for in this subclass
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
    • 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
    • C08J2325/00—Characterised by the use of homopolymers or 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 an aromatic carbocyclic ring; Derivatives of such polymers
    • C08J2325/02—Homopolymers or copolymers of hydrocarbons
    • C08J2325/04—Homopolymers or copolymers of styrene
    • C08J2325/06—Polystyrene
    • 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
GB9106008A 1990-03-22 1991-03-21 A method for purifying a polymer Expired - Fee Related GB2242434B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2072672A JPH03273006A (en) 1990-03-22 1990-03-22 Purification of polymer

Publications (3)

Publication Number Publication Date
GB9106008D0 GB9106008D0 (en) 1991-05-08
GB2242434A GB2242434A (en) 1991-10-02
GB2242434B true GB2242434B (en) 1994-06-01

Family

ID=13496089

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9106008A Expired - Fee Related GB2242434B (en) 1990-03-22 1991-03-21 A method for purifying a polymer

Country Status (4)

Country Link
JP (1) JPH03273006A (en)
KR (1) KR910016783A (en)
DE (1) DE4109527A1 (en)
GB (1) GB2242434B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4201046A1 (en) * 1992-01-17 1993-07-22 Bayer Ag METHOD FOR CLEANING POLYMER SOLUTIONS
EP0727711A3 (en) * 1995-02-17 1997-04-09 Ocg Microelectronic Materials Photoresist compositions containing supercritical fluid fractionated polymeric binder resins
WO1996037535A1 (en) * 1995-05-25 1996-11-28 The University Of North Carolina At Chapel Hill Method of preparing poly(phenylene oxides) in carbon dioxide
JP3650975B2 (en) * 1995-07-28 2005-05-25 日本エクスラン工業株式会社 Process for producing improved acrylonitrile polymer melt
US5691445A (en) * 1996-03-28 1997-11-25 Novacor Chemicals (International) S.A. Devolatilization
DE69813711T2 (en) * 1997-09-30 2004-02-26 Mitsui Chemicals, Inc. Process for removing volatiles from a polymer composition
US6160086A (en) * 1998-07-30 2000-12-12 3M Innovative Properties Company Process for removing impurities from polymers
KR20030068867A (en) * 2002-02-18 2003-08-25 주식회사 엘지화학 Separation method of polymer using supercritical fluid
JPWO2006022385A1 (en) * 2004-08-26 2008-05-08 ダイキン工業株式会社 Fluorine-containing polymer purification method, fluorine-containing polymer production method, and fluorine-containing elastomer
KR101348757B1 (en) 2006-02-03 2014-01-07 주식회사 동진쎄미켐 A resin composition for organic insulating layer, method for manufacturing thereof and array panel comprising the same
CN106414562B (en) * 2014-05-26 2019-03-22 Sabic环球技术有限责任公司 The method of production cleaning thermoplastic granulates
EP3112406A1 (en) * 2015-06-30 2017-01-04 The Procter and Gamble Company Method for purifying contaminated polyolefins
RU2687975C1 (en) * 2015-06-30 2019-05-17 Дзе Проктер Энд Гэмбл Компани Cleaning method of polluted polymers
BR112018000724B1 (en) 2015-07-13 2022-06-14 Sabic Global Technologies B.V. PROCESS FOR THE PREPARATION OF POLYOLEFIN PARTICLES AND USE OF SUCH PARTICLES
WO2018121980A1 (en) 2017-01-02 2018-07-05 Sabic Global Technologies B.V. Process for recycling polyolefin
CN114014960B (en) * 2021-10-21 2023-07-11 金聚合科技(宁波)有限公司 System and method for polyolefin purification

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB967333A (en) * 1959-12-30 1964-08-19 Wacker Chemie Gmbh Process and apparatus for washing highly polymeric organic substances in a continuous manner
GB1019145A (en) * 1962-10-05 1966-02-02 Schwarza Chemiefaser Method of and apparatus for manufacturing formed bodies from synthetic,linear,high molecular weight polyamides of low monomer content
US4703105A (en) * 1985-12-23 1987-10-27 The Dow Chemical Company Extraction of residues from styrenic polymers
GB2223022A (en) * 1988-09-22 1990-03-28 Toyo Engineering Corp Method for purifying polymer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5341387A (en) * 1976-09-28 1978-04-14 Mitsui Toatsu Chem Inc Removing volatile matter from styrene polymer
JPS627704A (en) * 1985-07-04 1987-01-14 Kanegafuchi Chem Ind Co Ltd Removal of organic compound having high boiling point
NL8600144A (en) * 1986-01-23 1987-08-17 Stamicarbon METHOD FOR PURIFYING A THERMOPLASTIC POLYMER
DE3829293A1 (en) * 1988-08-30 1990-03-15 Bayer Ag METHOD FOR REDUCING THE MELT VISCOSITY OF AROMATIC POLYCARBONATES, AROMATIC POLYESTER CARBONATES, AROMATIC AND / OR ARALIPHATIC POLYESTERS

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB967333A (en) * 1959-12-30 1964-08-19 Wacker Chemie Gmbh Process and apparatus for washing highly polymeric organic substances in a continuous manner
GB1019145A (en) * 1962-10-05 1966-02-02 Schwarza Chemiefaser Method of and apparatus for manufacturing formed bodies from synthetic,linear,high molecular weight polyamides of low monomer content
US4703105A (en) * 1985-12-23 1987-10-27 The Dow Chemical Company Extraction of residues from styrenic polymers
GB2223022A (en) * 1988-09-22 1990-03-28 Toyo Engineering Corp Method for purifying polymer

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP 46792/1984 *

Also Published As

Publication number Publication date
JPH03273006A (en) 1991-12-04
KR910016783A (en) 1991-11-05
GB9106008D0 (en) 1991-05-08
DE4109527A1 (en) 1991-09-26
GB2242434A (en) 1991-10-02

Similar Documents

Publication Publication Date Title
EP0693513A3 (en) Process for purifying a polyether
IL115660A0 (en) Method for forming polymers
HU9300003D0 (en) Method for purifying water
HU9300331D0 (en) Method for producing multi-sequenced polymers
GB2242434B (en) A method for purifying a polymer
GB2223022B (en) Method for purifying polymer
SG48194A1 (en) Method for regenerating a deactivated catalyst
HUT59728A (en) Process for backwashing conversive sloyers
EP0518428A3 (en) Process for polymer preparation
HU905046D0 (en) Process for purifying n-phosphono-methyl-glycine
GB9017344D0 (en) Absorbents and a method for their production
HU904246D0 (en) Method for purification
GB9325468D0 (en) Process for purifying polyols
GB9317685D0 (en) Process for removing unpolymerized monmoers
GB8916152D0 (en) A method for stabilising bacteria
HU912978D0 (en) Method for purifying vynil-aromatic monomers
EP0448115A3 (en) Method for producing a polyolefin
EP0450581A3 (en) Polymerization method
EP0434836A4 (en) Method for purifying teneicine
GB9000369D0 (en) Moulding method
AU7083191A (en) A process for purifying lipocortins
EP0483765A3 (en) Method for activating lymphocyte
HU912694D0 (en) Process for purifying 4-acet-oxy-styrene
RO105801B1 (en) Ppreparation process for alhylcyclohexanols
GB9616959D0 (en) Process for preparing a polymer

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060321