GB1282992A - Process for concentrating polymer solutions by evaporation - Google Patents

Process for concentrating polymer solutions by evaporation

Info

Publication number
GB1282992A
GB1282992A GB1794970A GB1794970A GB1282992A GB 1282992 A GB1282992 A GB 1282992A GB 1794970 A GB1794970 A GB 1794970A GB 1794970 A GB1794970 A GB 1794970A GB 1282992 A GB1282992 A GB 1282992A
Authority
GB
United Kingdom
Prior art keywords
tube
vapour
solvent
polymer
solution
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
GB1794970A
Other languages
English (en)
Inventor
Hugo Vernaleken
Otto Court
Ludwig Bottenbruch
Axel Lippert
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
Publication of GB1282992A publication Critical patent/GB1282992A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/005—Processes for mixing polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/06—Flash distillation
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/205—General preparatory processes characterised by the apparatus used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
GB1794970A 1969-04-25 1970-04-15 Process for concentrating polymer solutions by evaporation Expired GB1282992A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691921045 DE1921045B2 (de) 1969-04-25 1969-04-25 Verfahren zum gewinnen einer polymerschmelze aus einer polymerloesung

Publications (1)

Publication Number Publication Date
GB1282992A true GB1282992A (en) 1972-07-26

Family

ID=5732282

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1794970A Expired GB1282992A (en) 1969-04-25 1970-04-15 Process for concentrating polymer solutions by evaporation

Country Status (5)

Country Link
BE (1) BE749501A (fr)
DE (1) DE1921045B2 (fr)
FR (1) FR2046512A5 (fr)
GB (1) GB1282992A (fr)
NL (1) NL167445C (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256707A (en) * 1990-04-07 1993-10-26 Bayer Aktiengesellschaft Continuous process for concentrating polymer solutions up to a required specification level of residual solvents
WO2007090768A1 (fr) * 2006-02-09 2007-08-16 Basf Se Procede d'obtention de composes vinyle par evaporation

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE786885A (fr) * 1971-07-30 1973-01-29 Basf Ag Procede d'elimination des constituants vaporisables de solutions polymeres
DE2724360C3 (de) * 1977-05-28 1988-03-24 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von thermoplastischen Formmassen auf Basis von Vinylpolymerisaten
DE2908352A1 (de) * 1979-03-03 1980-09-18 Bayer Ag Verfahren zur getrennten ableitung der einzelnen phasenstroeme einer mehrphasenstroemung
DE2932737C2 (de) * 1979-08-13 1983-04-21 Akzo Gmbh, 5600 Wuppertal Polycarbonat-Polyätherblockcopolymere
JPS59166506A (ja) * 1983-03-14 1984-09-19 Mitsui Toatsu Chem Inc 重合液組成物の連続的脱揮発方法
DE4011382A1 (de) * 1990-04-07 1991-10-10 Bayer Ag Kontinuierliches verfahren zur trennung von loesungen und suspensionen in einem rieselfaehigen feststoff und in ein weitgehend feststoffreies destillat
DE4201046A1 (de) * 1992-01-17 1993-07-22 Bayer Ag Verfahren zur reinigung von polymerloesungen
DE102014114831B4 (de) * 2014-10-13 2020-12-10 Domo Engineering Plastics Gmbh Verfahren zur Herstellung von körnigen oder pulverförmigen Zielpolymerprodukten aus kunststoffhaltigen Materialien

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5256707A (en) * 1990-04-07 1993-10-26 Bayer Aktiengesellschaft Continuous process for concentrating polymer solutions up to a required specification level of residual solvents
WO2007090768A1 (fr) * 2006-02-09 2007-08-16 Basf Se Procede d'obtention de composes vinyle par evaporation

Also Published As

Publication number Publication date
NL7006024A (fr) 1970-10-27
BE749501A (fr) 1970-10-01
DE1921045B2 (de) 1976-11-11
FR2046512A5 (fr) 1971-03-05
NL167445B (nl) 1981-07-16
DE1921045A1 (de) 1970-10-29
NL167445C (nl) 1981-12-16

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years