CA1036296A - Process for separating and recovering residual monomers from aqueous suspensions of acrylonitrile polymers - Google Patents

Process for separating and recovering residual monomers from aqueous suspensions of acrylonitrile polymers

Info

Publication number
CA1036296A
CA1036296A CA225,486A CA225486A CA1036296A CA 1036296 A CA1036296 A CA 1036296A CA 225486 A CA225486 A CA 225486A CA 1036296 A CA1036296 A CA 1036296A
Authority
CA
Canada
Prior art keywords
separating
aqueous suspensions
residual monomers
acrylonitrile polymers
recovering residual
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
Application number
CA225,486A
Other languages
English (en)
French (fr)
Inventor
Artur Jaschke
Herbert Marzolph
Gerd Wilhelm
Karl Hurm
Rolf-Burkhard Hirsch
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of CA1036296A publication Critical patent/CA1036296A/en
Expired 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
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/16—Purification
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/0082—Regulation; Control
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/10—Organic
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/922—Polymerization process of ethylenic monomers using manipulative technique

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
CA225,486A 1974-04-27 1975-04-25 Process for separating and recovering residual monomers from aqueous suspensions of acrylonitrile polymers Expired CA1036296A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2420471A DE2420471B2 (de) 1974-04-27 1974-04-27 Verfahren zur Abtrennung und Rückgewinnung von Restmonomeren aus wäßrigen Dispersionen von Acrylnitrilpolymerisaten

Publications (1)

Publication Number Publication Date
CA1036296A true CA1036296A (en) 1978-08-08

Family

ID=5914138

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225,486A Expired CA1036296A (en) 1974-04-27 1975-04-25 Process for separating and recovering residual monomers from aqueous suspensions of acrylonitrile polymers

Country Status (15)

Country Link
US (1) US3980529A (de)
JP (1) JPS517094A (de)
AT (1) AT342864B (de)
BE (1) BE828381A (de)
BR (1) BR7502525A (de)
CA (1) CA1036296A (de)
DE (1) DE2420471B2 (de)
DK (1) DK138954B (de)
ES (1) ES436994A1 (de)
FR (1) FR2268813B1 (de)
GB (1) GB1499732A (de)
IE (1) IE41234B1 (de)
IT (1) IT1037646B (de)
LU (1) LU72359A1 (de)
NL (1) NL7504961A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4151141A (en) * 1977-11-16 1979-04-24 The Dow Chemical Company Process for continuously removing volatile organic material from aqueous dispersions of synthetic polymers
IT1121511B (it) * 1979-05-28 1986-04-02 Montedison Spa Procedimento per l'estrazione del cloruro di vinile monomero dai lattici di cloruro di polivinile ed apparecchiatura per la sua realizzazione
DE2948541A1 (de) * 1979-12-03 1981-06-04 Nukem Gmbh, 6450 Hanau Verfahren und vorrichtung zur mehrstufigen verdampfung
US4414063A (en) * 1982-04-12 1983-11-08 E. I. Du Pont De Nemours & Co. Removing residual acrylonitrile in aqueous dispersions
DE3531834C1 (de) * 1985-09-06 1986-09-18 Starcosa Gmbh, 3300 Braunschweig Pervaporationsverfahren
IT1226303B (it) * 1988-07-26 1990-12-27 Montedipe Spa Processo ed apparato per la devolatilizzazione di soluzioni di polimeri.
US7128815B2 (en) * 2003-03-25 2006-10-31 Council Of Scientific And Industrial Research Process for recovery of pure acrylonitrile
CN100402493C (zh) * 2003-03-31 2008-07-16 科学与工业研究委员会 回收纯丙烯腈的方法
CN106317296B (zh) * 2015-06-18 2018-07-06 中国石油化工股份有限公司 用于干法腈纶的单体回收工艺
CN108569739B (zh) * 2018-03-22 2021-05-14 福建三农新材料有限责任公司 用于回收聚四氟乙烯浓缩分散液废液中op-10的系统及方法
US10731001B2 (en) * 2018-11-09 2020-08-04 Arkema France Method for the recovery of compounds deriving from the synthesis of poly aryl ether ketone polymers

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2348328A (en) * 1941-01-10 1944-05-09 Du Pont Process of and apparatus for treating sulphuric acid containing dissolved nitro bodies
US3073380A (en) * 1962-03-27 1963-01-15 Parkson Ind Equipment Company Concentration of foaming materials
US3223534A (en) * 1962-11-07 1965-12-14 Libby Mcneill & Libby Method of improving flavor constituents
NL129660C (de) * 1964-08-24
US3467162A (en) * 1966-07-11 1969-09-16 Charles W Putnam Process of making concentrated phosphoric acid of improved clarity characteristics
BE758596A (fr) * 1969-11-08 1971-05-06 Basf Ag Procede pour l'elimination de monomeres volatils a partir de solutions de polymeres d'acrylonitrile ainsi que leur concentration

Also Published As

Publication number Publication date
GB1499732A (en) 1978-02-01
FR2268813A1 (de) 1975-11-21
BE828381A (fr) 1975-10-27
JPS517094A (de) 1976-01-21
NL7504961A (nl) 1975-10-29
IE41234B1 (en) 1979-11-21
DK180175A (da) 1975-10-28
FR2268813B1 (de) 1979-03-30
IE41234L (en) 1975-10-27
AT342864B (de) 1978-04-25
BR7502525A (pt) 1976-04-13
ATA319075A (de) 1977-08-15
DK138954B (da) 1978-11-20
ES436994A1 (es) 1977-01-16
US3980529A (en) 1976-09-14
LU72359A1 (de) 1976-03-17
DE2420471A1 (de) 1975-11-06
DE2420471B2 (de) 1979-01-25
IT1037646B (it) 1979-11-20

Similar Documents

Publication Publication Date Title
YU121376A (en) Process for removing monomers from the aqueous dispersion of polymers
YU64576A (en) Process for the bulk-polymerization of vinyl chloride monomer or monomeric mixtures thereof
CA1036296A (en) Process for separating and recovering residual monomers from aqueous suspensions of acrylonitrile polymers
ZA751800B (en) Process for removal and recovery of unreacted monomers from resinous polymers
ZA756434B (en) Process for removing monomer residues from acrylonitrile polymers
AU472361B2 (en) New process forthe polymerization of acrylonitrile
IL48589A (en) Process for the suspension polymerization of vinyl chlorid
CA1017536A (en) Process for the separation and recovery of ammonia and acid gases
GB1504818A (en) Method for removing unreacted monomer from an aqueous slurry of a polymerizate
PH11806A (en) Method for removing unreacted monomers from aqueous dispersion of polymerizate
YU153276A (en) Process for drying and calcinating thick suspensions of magnesium hydroxide
JPS51138605A (en) Process for recovering gas and or casified monomer from reacting gas
ZA755592B (en) Process for removing residual mercaptan from high nitrile polymers
IL48664A (en) Method for recovering vinyl sulfonate monomers from an aqueous process solution
DE2862039D1 (en) Process of recovering polymeric beads from an aqueous slurry thereof
GB1538891A (en) Continuous process for removing monomeric impurities from an aqueous dispersion of a homopolymer or copolymer of vinyl chloride
JPS51147587A (en) Improved method of separating chloroprene polymer from alkali latex thereof
PT65207B (en) Process for the separation of solids from suspensions
YU130176A (en) Process for suspension polymerization of tetrafluoroethylene
AU490332B2 (en) Process for removal and recovery of unreacted monomers from resinous polymers
CA1028469A (en) Process for recovering nitrile polymer solids from latex
AU490259B2 (en) Process for removing monomer residues from acrylonitrile polymers
AU489380B2 (en) Process for removing residual mercaptan from high nitrile polymers
IL51110A (en) Process of separating precipitated proteins from albumin-containing suspensions
AU493844B2 (en) Process for the polymerisation of vinyl chloride in aqueous suspension