AT342864B - Verfahren zur abtrennung und ruckgewinnung von restmonomeren aus wasserigen suspensionen von acrylnitrilpolymerisaten - Google Patents

Verfahren zur abtrennung und ruckgewinnung von restmonomeren aus wasserigen suspensionen von acrylnitrilpolymerisaten

Info

Publication number
AT342864B
AT342864B AT319075A AT319075A AT342864B AT 342864 B AT342864 B AT 342864B AT 319075 A AT319075 A AT 319075A AT 319075 A AT319075 A AT 319075A AT 342864 B AT342864 B AT 342864B
Authority
AT
Austria
Prior art keywords
acrylnitrile
polymerizes
recovery
separation
residual monomers
Prior art date
Application number
AT319075A
Other languages
English (en)
Other versions
ATA319075A (de
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
Publication of ATA319075A publication Critical patent/ATA319075A/de
Application granted granted Critical
Publication of AT342864B publication Critical patent/AT342864B/de

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)
AT319075A 1974-04-27 1975-04-25 Verfahren zur abtrennung und ruckgewinnung von restmonomeren aus wasserigen suspensionen von acrylnitrilpolymerisaten AT342864B (de)

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 (2)

Publication Number Publication Date
ATA319075A ATA319075A (de) 1977-08-15
AT342864B true AT342864B (de) 1978-04-25

Family

ID=5914138

Family Applications (1)

Application Number Title Priority Date Filing Date
AT319075A AT342864B (de) 1974-04-27 1975-04-25 Verfahren zur abtrennung und ruckgewinnung von restmonomeren aus wasserigen suspensionen von acrylnitrilpolymerisaten

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
AU2003223112A1 (en) * 2003-03-31 2004-10-25 Council Of Scientific And Industrial Research Process for recovery of pure acrylonitrile
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
LU72359A1 (de) 1976-03-17
US3980529A (en) 1976-09-14
FR2268813B1 (de) 1979-03-30
GB1499732A (en) 1978-02-01
JPS517094A (de) 1976-01-21
BE828381A (fr) 1975-10-27
DE2420471B2 (de) 1979-01-25
BR7502525A (pt) 1976-04-13
NL7504961A (nl) 1975-10-29
IE41234L (en) 1975-10-27
FR2268813A1 (de) 1975-11-21
ATA319075A (de) 1977-08-15
IT1037646B (it) 1979-11-20
CA1036296A (en) 1978-08-08
DE2420471A1 (de) 1975-11-06
ES436994A1 (es) 1977-01-16
DK138954B (da) 1978-11-20
IE41234B1 (en) 1979-11-21
DK180175A (da) 1975-10-28

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
ELJ Ceased due to non-payment of the annual fee