FR2407222A1 - Procede pour reduire la teneur en impuretes de suspensions de polymeres - Google Patents

Procede pour reduire la teneur en impuretes de suspensions de polymeres

Info

Publication number
FR2407222A1
FR2407222A1 FR7830867A FR7830867A FR2407222A1 FR 2407222 A1 FR2407222 A1 FR 2407222A1 FR 7830867 A FR7830867 A FR 7830867A FR 7830867 A FR7830867 A FR 7830867A FR 2407222 A1 FR2407222 A1 FR 2407222A1
Authority
FR
France
Prior art keywords
reducing
impurities
polymer suspensions
suspension
impurity content
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.)
Granted
Application number
FR7830867A
Other languages
English (en)
Other versions
FR2407222B1 (fr
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.)
Pennwalt Corp
Original Assignee
Pennwalt 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 Pennwalt Corp filed Critical Pennwalt Corp
Publication of FR2407222A1 publication Critical patent/FR2407222A1/fr
Application granted granted Critical
Publication of FR2407222B1 publication Critical patent/FR2407222B1/fr
Granted 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
    • C08F6/24—Treatment of polymer suspensions

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)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

L'INVENTION CONCERNE UN PROCEDE POUR REDUIRE LA TENEUR EN IMPURETES DE SUSPENSIONS DE POLYMERES. POUR ELIMINER LES IMPURETES D'UNE SUSPENSION AQUEUSE DE PARTICULES DE POLYMERE 1, TELLES QUE LES IMPURETES PROVENANT DES REACTIONS DE POLYMERISATION EN SUSPENSION OU EN EMULSION AQUEUSES, ON AERE LA SUSPENSION 3 PUIS ON LAVE LA SUSPENSION 5 MISE EN MOUSSE PRODUITE PAR PASSAGE A CONTRE-COURANT AVEC DE L'EAU DE LAVAGE. L'INVENTION PERMET EN PARTICULIER L'ELIMINATION SIMPLE ET PEU COUTEUSE DES IMPURETES DES SUSPENSIONS AQUEUSES DE POLYMERES.
FR7830867A 1977-11-01 1978-10-31 Procede pour reduire la teneur en impuretes de suspensions de polymeres Granted FR2407222A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/847,627 US4128517A (en) 1977-11-01 1977-11-01 Method of washing polymer latices by aerating

Publications (2)

Publication Number Publication Date
FR2407222A1 true FR2407222A1 (fr) 1979-05-25
FR2407222B1 FR2407222B1 (fr) 1982-04-16

Family

ID=25301091

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7830867A Granted FR2407222A1 (fr) 1977-11-01 1978-10-31 Procede pour reduire la teneur en impuretes de suspensions de polymeres

Country Status (12)

Country Link
US (1) US4128517A (fr)
JP (1) JPS54106552A (fr)
AU (1) AU520532B2 (fr)
BE (1) BE871676A (fr)
CA (1) CA1118120A (fr)
DE (1) DE2847341A1 (fr)
FR (1) FR2407222A1 (fr)
GB (1) GB2007236B (fr)
IT (1) IT1109306B (fr)
MX (1) MX152544A (fr)
NZ (1) NZ188682A (fr)
SE (1) SE429555B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2387999A1 (fr) * 1977-04-22 1978-11-17 Rhone Poulenc Ind Liant pour la fabrication de revetements de sol aiguilletes
FR2388032A1 (fr) * 1977-04-22 1978-11-17 Rhone Poulenc Ind Liant pour peinture et vernis de butyral polyvinylique
USH1055H (en) * 1990-05-29 1992-05-05 Atochem North America, Inc. Thermal energy coagulation and washing of latex particles
ATE515300T1 (de) * 1999-12-17 2011-07-15 Ticona Gmbh Verfahren und vorrichtung zur abtrennung von feststoffen aus einer flüssigen phase
US7173094B2 (en) * 2001-09-26 2007-02-06 Nichias Corporation Moldings of fluororubbers and process for their production
WO2005007709A1 (fr) * 2003-07-03 2005-01-27 Daikin Industries, Ltd. Agregat fluoropolymerique et son procede de production
EP2585521B1 (fr) 2010-06-24 2018-04-11 3M Innovative Properties Company Compositions polymérisables exemptes d'émulsifiant organique et polymères et leurs procédés de fabrication
CN103562235A (zh) 2011-03-16 2014-02-05 阿科玛股份有限公司 含有2,3,3,3-四氟丙烯的氟聚合物的合成
CN103432932B (zh) * 2013-09-03 2016-07-06 上海化工研究院 一种含氟聚合物乳液富集分离装置及方法
JP6111962B2 (ja) * 2013-10-02 2017-04-12 日本ポリプロ株式会社 ポリマー粉体の乾燥方法
CN105985459B (zh) * 2015-02-27 2018-08-17 浙江化工院科技有限公司 一种用于含氟聚合物连续洗涤的方法
FR3043084B1 (fr) 2015-10-29 2017-10-27 Arkema France Copolymeres fluores fonctionnalises
FR3069544B1 (fr) 2017-07-28 2020-05-15 Arkema France Procede de preparation d'un film de polymere fluore reticule
CN114736319B (zh) * 2021-01-07 2023-12-26 中昊晨光化工研究院有限公司 一种用于从聚合乳液中提纯聚合物的装置系统和方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051677A (en) * 1955-04-27 1962-08-28 Du Pont Copolymer elastomer of vinylidenefluoride and hexafluoropropene

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674593A (en) * 1951-07-24 1954-04-06 Shell Dev Production and treatment of vinyl chloride polymer
NL203696A (fr) * 1955-04-19 1956-01-17
DE961576C (de) * 1955-05-15 1957-04-11 Hoechst Ag Verfahren zum Waschen von Polyaethylen im Gegenstrom
US3193539A (en) * 1960-05-31 1965-07-06 Pennsalt Chemicals Corp Process for polymerizing vinylidene fluoride
US3219637A (en) * 1962-09-20 1965-11-23 Dow Chemical Co Coagulation and washing of water-insoluble polymeric materials containing pendant carboxylic acid groups
DE1248950B (de) * 1963-08-02 1967-08-31 E I du Pont de Nemours and Company, Wilmington Del (V St A) Verfahren zur Isolierung von Chloroprencopoly meren
US3464964A (en) * 1966-06-13 1969-09-02 Pennsalt Chemicals Corp Coagulation of polytetrafluoroethylene latex
NL6700053A (fr) * 1967-01-03 1968-07-04
US3520860A (en) * 1967-10-05 1970-07-21 Dow Chemical Co Process for clarifying dilute latices
JPS5140107B1 (fr) * 1968-10-03 1976-11-01
US3780007A (en) * 1969-12-23 1973-12-18 Diamond Shamrock Corp Polymerization of vinylidene fluoride in aqueous suspension
US3752789A (en) * 1971-08-20 1973-08-14 Du Pont Isolation of a fluoropolymer from a latex
US3857827A (en) * 1974-01-25 1974-12-31 Pennwalt Corp Method of preparing high-quality vinylidene fluoride polymer in aqueous emulsion
US4031056A (en) * 1975-02-27 1977-06-21 Tenneco Chemicals, Inc. Process for the removal of vinyl chloride from latexes containing polyvinyl chloride

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051677A (en) * 1955-04-27 1962-08-28 Du Pont Copolymer elastomer of vinylidenefluoride and hexafluoropropene

Also Published As

Publication number Publication date
GB2007236A (en) 1979-05-16
AU520532B2 (en) 1982-02-04
CA1118120A (fr) 1982-02-09
NZ188682A (en) 1981-02-11
SE429555B (sv) 1983-09-12
IT1109306B (it) 1985-12-16
JPS54106552A (en) 1979-08-21
IT7851705A0 (it) 1978-10-30
GB2007236B (en) 1982-04-28
SE7811020L (sv) 1979-05-02
US4128517A (en) 1978-12-05
MX152544A (es) 1985-08-20
JPS6261055B2 (fr) 1987-12-19
AU4095278A (en) 1980-05-01
BE871676A (fr) 1979-02-15
DE2847341A1 (de) 1979-05-03
FR2407222B1 (fr) 1982-04-16

Similar Documents

Publication Publication Date Title
FR2407222A1 (fr) Procede pour reduire la teneur en impuretes de suspensions de polymeres
US3259570A (en) Dewatering aqueous suspensions of organic solids
AU625642B2 (en) Flocculation of red mud using dextran and a synthetic polyanion in bauxite processing
HUP0002087A2 (hu) Vizes diszperziós polimerek
GB1397927A (en) Separation of suspended solids from liquids
DE1517666B2 (de) Verfahren zur klaerung eines abwassers, das aus der entfaerbung von vedrucktem cellulosematerial stammt
US3397139A (en) Waste treatment process
US3677940A (en) Method of treating scouring and dyeing waste water
GB1417344A (en) Recovery of sucrose
US4490257A (en) Process for purification of waste waters accumulated from pulp production, particularly from chlorine bleaching of pulp
EP0193111A3 (en) Process for producing paper with a high dry strength
US3506570A (en) Clarification of and phosphate removal from sewage
FR2411893A1 (fr) Recuperation selective de nickel, de cobalt et de manganese de nodules marins a l'aide d'acide sulfureux
FR2366359A1 (fr) Procede d'extraction de micro-organismes et produits obtenus utilisables comme agents diagnostiques
FR2429754A1 (fr) Procede d'elimination de substances cationiques de solutions aqueuses
US4786318A (en) Thickening of gold process slurries
GB1236150A (en) Process for removing suspended matter from aqueous media
US3194757A (en) Process for clarifying red muds
FR2399281A1 (fr) Procede de floculation
GB1511720A (en) Sprayable precipitated-silica suspension
FR2357597A1 (fr) Procede pour former une solution aqueuse d'un polymere capable de floculer des particules d'une substance minerale
JPS5732783A (en) Flocculation treatment
DE3571599D1 (en) Process for the preparation and the purification of aqueous solutions of calcium hydroxide
SU1204576A1 (ru) Способ очистки сточных вод
FR2482110B1 (fr) Procede pour eliminer le cerium (iii) d'une dispersion aqueuse de polymere

Legal Events

Date Code Title Description
ST Notification of lapse
AR Application made for restoration
BR Restoration of rights
CD Change of name or company name
ST Notification of lapse