CH530438A - Verfahren zum Reinigen von Polymerlösungen - Google Patents

Verfahren zum Reinigen von Polymerlösungen

Info

Publication number
CH530438A
CH530438A CH172270A CH172270A CH530438A CH 530438 A CH530438 A CH 530438A CH 172270 A CH172270 A CH 172270A CH 172270 A CH172270 A CH 172270A CH 530438 A CH530438 A CH 530438A
Authority
CH
Switzerland
Prior art keywords
polymer solutions
purifying polymer
purifying
solutions
polymer
Prior art date
Application number
CH172270A
Other languages
English (en)
Inventor
Karl Dr Morgenstern
Hermann Dr Schnell
Ludwig Dr Bottenbruch
Otto Dipl Ing Court
Hans-Helmuth Dr Schwarz
Hugo Dr Vernaleken
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 CH530438A publication Critical patent/CH530438A/de

Links

Classifications

    • 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
    • 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
    • C08G85/00—General processes for preparing compounds provided for in this subclass
    • C08G85/002—Post-polymerisation treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
CH172270A 1969-03-05 1970-02-06 Verfahren zum Reinigen von Polymerlösungen CH530438A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1911179A DE1911179C3 (de) 1969-03-05 1969-03-05 Verfahren zum Reinigen von Polymerlosungen

Publications (1)

Publication Number Publication Date
CH530438A true CH530438A (de) 1972-11-15

Family

ID=5727201

Family Applications (1)

Application Number Title Priority Date Filing Date
CH172270A CH530438A (de) 1969-03-05 1970-02-06 Verfahren zum Reinigen von Polymerlösungen

Country Status (7)

Country Link
US (1) US3666719A (de)
BE (1) BE746899A (de)
CH (1) CH530438A (de)
DE (1) DE1911179C3 (de)
FR (1) FR2037694A5 (de)
GB (1) GB1302618A (de)
NL (1) NL7002856A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926927A (en) * 1974-11-25 1975-12-16 Monsanto Co Stripping monomers from a slurry of copolymerized acrylonitrile
DE2759097C2 (de) * 1977-12-30 1987-03-05 Norsk Hydro A.S., Oslo Verfahren zur Reduktion des Vinylchloridgehaltes in wäßrigen Dispersionen von Vinylchloridpolymeren und -copolymeren
US4402916A (en) * 1981-06-30 1983-09-06 Marathon Oil Company Dilution apparatus and method
US6160086A (en) * 1998-07-30 2000-12-12 3M Innovative Properties Company Process for removing impurities from polymers
KR101823620B1 (ko) 2013-07-25 2018-01-30 사빅 글로벌 테크놀러지스 비.브이. 폴리카보네트 정제를 위한 저 전단 방법
KR102083640B1 (ko) 2013-07-25 2020-03-02 사빅 글로벌 테크놀러지스 비.브이. 계면 폴리카보네이트 및 공중합체 폴리카보네이트의 정제 방법의 열적 향상
US9617382B2 (en) 2013-07-25 2017-04-11 Sabic Global Technologies B.V. Process for the purification of polycarbonate

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373145A (en) * 1965-04-29 1968-03-12 Allied Chem Washing of polymer particulates by regular periodic ebb and flow of aqueous solvent
US3470133A (en) * 1967-09-15 1969-09-30 Ppg Industries Inc Water washing polyesters of carbonic acid and diphenols

Also Published As

Publication number Publication date
DE1911179A1 (de) 1970-09-17
DE1911179B2 (de) 1978-10-12
DE1911179C3 (de) 1979-06-07
FR2037694A5 (de) 1970-12-31
BE746899A (fr) 1970-08-17
US3666719A (en) 1972-05-30
NL7002856A (de) 1970-09-08
GB1302618A (de) 1973-01-10

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Legal Events

Date Code Title Description
PL Patent ceased