BE854224A - Procede de traitement de solutions de chlorure de vinyle polymrise dans le tetrahydrofuranne - Google Patents

Procede de traitement de solutions de chlorure de vinyle polymrise dans le tetrahydrofuranne

Info

Publication number
BE854224A
BE854224A BE177238A BE177238A BE854224A BE 854224 A BE854224 A BE 854224A BE 177238 A BE177238 A BE 177238A BE 177238 A BE177238 A BE 177238A BE 854224 A BE854224 A BE 854224A
Authority
BE
Belgium
Prior art keywords
polymrized
tetrahydrofuran
vinyl chloride
treating solutions
treating
Prior art date
Application number
BE177238A
Other languages
English (en)
Original Assignee
Basf 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 Basf Ag filed Critical Basf Ag
Publication of BE854224A publication Critical patent/BE854224A/fr

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
    • C08F6/06—Treatment of polymer solutions
    • C08F6/10—Removal of volatile materials, e.g. solvents
    • 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
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/36—Azeotropic distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D307/00—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom
    • C07D307/02—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings
    • C07D307/04—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D307/06—Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, directly attached to ring carbon atoms
    • C07D307/08—Preparation of tetrahydrofuran

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
BE177238A 1976-06-11 1977-05-03 Procede de traitement de solutions de chlorure de vinyle polymrise dans le tetrahydrofuranne BE854224A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762626124 DE2626124C3 (de) 1976-06-11 1976-06-11 Verfahren zur Rückgewinnung von Tetrahydrofinen aus Polyvinylchlorid-haltigen Tetrahydrofuranlösungen

Publications (1)

Publication Number Publication Date
BE854224A true BE854224A (fr) 1977-11-03

Family

ID=5980267

Family Applications (1)

Application Number Title Priority Date Filing Date
BE177238A BE854224A (fr) 1976-06-11 1977-05-03 Procede de traitement de solutions de chlorure de vinyle polymrise dans le tetrahydrofuranne

Country Status (2)

Country Link
BE (1) BE854224A (fr)
DE (1) DE2626124C3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107151278A (zh) * 2017-04-26 2017-09-12 安徽华塑股份有限公司 一种聚氯乙烯树脂后处理方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5618902A (en) * 1995-11-03 1997-04-08 General Electric Company Vapor precipitation of polymers from solvent polymer blends by azeotropic spray drying

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107151278A (zh) * 2017-04-26 2017-09-12 安徽华塑股份有限公司 一种聚氯乙烯树脂后处理方法

Also Published As

Publication number Publication date
DE2626124C3 (de) 1980-09-25
DE2626124A1 (de) 1977-12-22
DE2626124B2 (de) 1980-01-31

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BASF A.G.

Effective date: 19930531