DE2104890A1 - Verwendung von Polytetrafluoräthylen als Auskleidungsmaterial einer Destillationsanlage für Acrylsäure - Google Patents

Verwendung von Polytetrafluoräthylen als Auskleidungsmaterial einer Destillationsanlage für Acrylsäure

Info

Publication number
DE2104890A1
DE2104890A1 DE19712104890 DE2104890A DE2104890A1 DE 2104890 A1 DE2104890 A1 DE 2104890A1 DE 19712104890 DE19712104890 DE 19712104890 DE 2104890 A DE2104890 A DE 2104890A DE 2104890 A1 DE2104890 A1 DE 2104890A1
Authority
DE
Germany
Prior art keywords
acrylic acid
polytetrafluoroethylene
lining material
distillation
distillation plant
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.)
Pending
Application number
DE19712104890
Other languages
German (de)
English (en)
Inventor
Richard Dr. 6719 Kirchheim; Willersinn Carl-Heinz Dr.; Lebert Ulrich Dr.; 6700 Ludwigshafen; Engelbach Heinz Dr. 6703 Limburgerhof; Wistuba Hermann Dr.; Frey Walter Dipl.-Ing. Dr.; 6800 Mannheim Krabetz
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.)
BASF SE
Original Assignee
Badische Anilin and Sodafabrik 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 Badische Anilin and Sodafabrik AG filed Critical Badische Anilin and Sodafabrik AG
Priority to DE19712104890 priority Critical patent/DE2104890A1/de
Priority to FR7203106A priority patent/FR2124305B1/fr
Priority to BE778859A priority patent/BE778859A/xx
Priority to GB480372A priority patent/GB1371984A/en
Publication of DE2104890A1 publication Critical patent/DE2104890A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00Processes of polymerisation
    • C08F2/002Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/007Scale prevention in the auxiliary parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D3/00Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14Fractional distillation or use of a fractionation or rectification column
    • B01D3/16Fractionating columns in which vapour bubbles through liquid
    • B01D3/22Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B01D3/225Dual-flow sieve trays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • B05D5/083Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26Lining or sheathing of internal surfaces
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00Metallic substrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacturing & Machinery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
DE19712104890 1971-02-03 1971-02-03 Verwendung von Polytetrafluoräthylen als Auskleidungsmaterial einer Destillationsanlage für Acrylsäure Pending DE2104890A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19712104890 DE2104890A1 (de) 1971-02-03 1971-02-03 Verwendung von Polytetrafluoräthylen als Auskleidungsmaterial einer Destillationsanlage für Acrylsäure
FR7203106A FR2124305B1 (enrdf_load_stackoverflow) 1971-02-03 1972-01-31
BE778859A BE778859A (fr) 1971-02-03 1972-02-02 Materiau a base de polytetrafluorethylene pour le revetement des appareils de distillation de l'acide acrylique
GB480372A GB1371984A (en) 1971-02-03 1972-02-02 Distillation of acrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712104890 DE2104890A1 (de) 1971-02-03 1971-02-03 Verwendung von Polytetrafluoräthylen als Auskleidungsmaterial einer Destillationsanlage für Acrylsäure

Publications (1)

Publication Number Publication Date
DE2104890A1 true DE2104890A1 (de) 1972-08-24

Family

ID=5797642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712104890 Pending DE2104890A1 (de) 1971-02-03 1971-02-03 Verwendung von Polytetrafluoräthylen als Auskleidungsmaterial einer Destillationsanlage für Acrylsäure

Country Status (4)

Country Link
BE (1) BE778859A (enrdf_load_stackoverflow)
DE (1) DE2104890A1 (enrdf_load_stackoverflow)
FR (1) FR2124305B1 (enrdf_load_stackoverflow)
GB (1) GB1371984A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0854129B2 (de) 1997-01-17 2007-11-28 Basf Aktiengesellschaft Verfahren der kontinuierlichen destillativen Auftrennung von flüssigen Gemischen, die als Hauptbestandteil (Meth)acrylsäure enthalten

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4305618A1 (de) * 1993-02-24 1994-08-25 Hoechst Ag Beschichtung poröser, hydrophober Substrate mit thermoplastischen Fluorpolymeren

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1259329B (de) * 1965-12-22 1968-01-25 Dynamit Nobel Ag Verfahren zur Herstellung von Vinylfluorid
CH484732A (de) * 1969-01-09 1970-01-31 Fischer Ag Georg Verfahren zur Verhinderung einer katalytischen Oxydation in einem Thermoplast

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0854129B2 (de) 1997-01-17 2007-11-28 Basf Aktiengesellschaft Verfahren der kontinuierlichen destillativen Auftrennung von flüssigen Gemischen, die als Hauptbestandteil (Meth)acrylsäure enthalten

Also Published As

Publication number Publication date
GB1371984A (en) 1974-10-30
FR2124305B1 (enrdf_load_stackoverflow) 1977-04-01
BE778859A (fr) 1972-08-02
FR2124305A1 (enrdf_load_stackoverflow) 1972-09-22

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