ES380646A1 - Procedimiento para purificar polieteres hidroinsolubles. - Google Patents

Procedimiento para purificar polieteres hidroinsolubles.

Info

Publication number
ES380646A1
ES380646A1 ES380646A ES380646A ES380646A1 ES 380646 A1 ES380646 A1 ES 380646A1 ES 380646 A ES380646 A ES 380646A ES 380646 A ES380646 A ES 380646A ES 380646 A1 ES380646 A1 ES 380646A1
Authority
ES
Spain
Prior art keywords
tank
conduit
water
insulated
electrodes
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
ES380646A
Other languages
English (en)
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.)
Wyandotte Chemicals Corp
Original Assignee
Wyandotte Chemicals Corp
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 Wyandotte Chemicals Corp filed Critical Wyandotte Chemicals Corp
Publication of ES380646A1 publication Critical patent/ES380646A1/es
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0419—Solvent extraction of solutions which are liquid in combination with an electric or magnetic field or with vibrations
    • 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
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • 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
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/30—Post-polymerisation treatment, e.g. recovery, purification, drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
ES380646A 1969-06-12 1970-06-11 Procedimiento para purificar polieteres hidroinsolubles. Expired ES380646A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83270069A 1969-06-12 1969-06-12

Publications (1)

Publication Number Publication Date
ES380646A1 true ES380646A1 (es) 1972-10-16

Family

ID=25262390

Family Applications (1)

Application Number Title Priority Date Filing Date
ES380646A Expired ES380646A1 (es) 1969-06-12 1970-06-11 Procedimiento para purificar polieteres hidroinsolubles.

Country Status (8)

Country Link
US (1) US3582491A (es)
JP (1) JPS4914359B1 (es)
BE (1) BE751126A (es)
DE (1) DE2026422B2 (es)
ES (1) ES380646A1 (es)
FR (1) FR2048994A5 (es)
GB (1) GB1240425A (es)
NL (1) NL7007607A (es)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3915674A (en) * 1973-12-26 1975-10-28 Northern Natural Gas Co Removal of sulfur from polyether solvents
AT334493B (de) * 1974-04-05 1976-01-25 Voest Ag Verfahren und vorrichtung zum aufarbeiten von wasserigen olemulsionen
US4120769A (en) * 1977-07-27 1978-10-17 Combustion Engineering, Inc. Process for mixing and separation in a solvent extraction system
US4235698A (en) * 1978-10-10 1980-11-25 Hydrotreat, Inc. Electronic water treatment apparatus
DE2854541A1 (de) * 1978-12-16 1980-06-26 Bayer Ag Verfahren zur reinigung nichtionischer emulgatoren
DE3016113A1 (de) * 1980-04-25 1981-10-29 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
DE3016112A1 (de) * 1980-04-25 1981-11-05 Bayer Ag, 5090 Leverkusen Verfahren zur aufarbeitung von polyetherpolyolen
JPS6192351U (es) * 1984-11-24 1986-06-14
US4661227A (en) * 1985-09-04 1987-04-28 The Dow Chemical Company Apparatus and method for removal of inorganic aqueous solutions from organic solvents
US5010047A (en) * 1989-02-27 1991-04-23 Arco Chemical Technology, Inc. Recovery of double metal cyanide complex catalyst from a polymer
US5254227A (en) * 1989-06-16 1993-10-19 Olin Corporation Process for removing catalyst impurities from polyols
DE4005520A1 (de) * 1990-02-22 1991-08-29 Renzler Edgar Dipl Ing Verdampfer mit integriertem elektrokoagulator, elektroflotator und bruedenkompression zur gewinnung von reinem wasser
EP2669312A1 (en) 2012-05-29 2013-12-04 Huntsman International Llc Process for the production of polyether polyols
CN111686477B (zh) * 2020-06-30 2022-07-29 聊城鲁西聚酰胺新材料科技有限公司 一种己内酰胺萃取液洗涤塔、系统及工艺

Also Published As

Publication number Publication date
JPS4914359B1 (es) 1974-04-06
FR2048994A5 (es) 1971-03-19
BE751126A (fr) 1970-11-30
DE2026422B2 (de) 1973-02-01
DE2026422A1 (de) 1970-12-17
GB1240425A (en) 1971-07-21
NL7007607A (es) 1970-12-15
US3582491A (en) 1971-06-01

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