DK138954B - Fremgangsmaade til fraskillelse og genvinding af restmonomere fra vandige suspensioner af acrylonitrilpolymerisater - Google Patents

Fremgangsmaade til fraskillelse og genvinding af restmonomere fra vandige suspensioner af acrylonitrilpolymerisater

Info

Publication number
DK138954B
DK138954B DK180175AA DK180175A DK138954B DK 138954 B DK138954 B DK 138954B DK 180175A A DK180175A A DK 180175AA DK 180175 A DK180175 A DK 180175A DK 138954 B DK138954 B DK 138954B
Authority
DK
Denmark
Prior art keywords
acrylonitril
polymerisates
recycling
separation
procedure
Prior art date
Application number
DK180175AA
Other languages
Danish (da)
English (en)
Other versions
DK180175A (da
Inventor
G Wilhelm
K Hurm
R B Hirsch
A Jaeschke
H Marzolph
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 DK180175A publication Critical patent/DK180175A/da
Publication of DK138954B publication Critical patent/DK138954B/da

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)
DK180175AA 1974-04-27 1975-04-24 Fremgangsmaade til fraskillelse og genvinding af restmonomere fra vandige suspensioner af acrylonitrilpolymerisater DK138954B (da)

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
DK180175A DK180175A (da) 1975-10-28
DK138954B true DK138954B (da) 1978-11-20

Family

ID=5914138

Family Applications (1)

Application Number Title Priority Date Filing Date
DK180175AA DK138954B (da) 1974-04-27 1975-04-24 Fremgangsmaade til fraskillelse og genvinding af restmonomere fra vandige suspensioner af acrylonitrilpolymerisater

Country Status (15)

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

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
JP4527549B2 (ja) * 2003-03-31 2010-08-18 カウンシル・オブ・サイエンティフィック・アンド・インダストリアル・リサーチ 純粋アクリロニトリルの回収方法
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 (fr) * 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
DK180175A (da) 1975-10-28
DE2420471B2 (de) 1979-01-25
LU72359A1 (fr) 1976-03-17
BR7502525A (pt) 1976-04-13
US3980529A (en) 1976-09-14
ES436994A1 (es) 1977-01-16
ATA319075A (de) 1977-08-15
FR2268813B1 (fr) 1979-03-30
IE41234L (en) 1975-10-27
AT342864B (de) 1978-04-25
GB1499732A (en) 1978-02-01
DE2420471A1 (de) 1975-11-06
IE41234B1 (en) 1979-11-21
FR2268813A1 (fr) 1975-11-21
CA1036296A (fr) 1978-08-08
JPS517094A (fr) 1976-01-21
IT1037646B (it) 1979-11-20
NL7504961A (nl) 1975-10-29
BE828381A (fr) 1975-10-27

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