FR2124305B1 - - Google Patents

Info

Publication number
FR2124305B1
FR2124305B1 FR7203106A FR7203106A FR2124305B1 FR 2124305 B1 FR2124305 B1 FR 2124305B1 FR 7203106 A FR7203106 A FR 7203106A FR 7203106 A FR7203106 A FR 7203106A FR 2124305 B1 FR2124305 B1 FR 2124305B1
Authority
FR
France
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
FR7203106A
Other languages
French (fr)
Other versions
FR2124305A1 (enrdf_load_stackoverflow
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
BASF SE
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 SE filed Critical BASF SE
Publication of FR2124305A1 publication Critical patent/FR2124305A1/fr
Application granted granted Critical
Publication of FR2124305B1 publication Critical patent/FR2124305B1/fr
Expired 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)
FR7203106A 1971-02-03 1972-01-31 Expired FR2124305B1 (enrdf_load_stackoverflow)

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 (2)

Publication Number Publication Date
FR2124305A1 FR2124305A1 (enrdf_load_stackoverflow) 1972-09-22
FR2124305B1 true FR2124305B1 (enrdf_load_stackoverflow) 1977-04-01

Family

ID=5797642

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7203106A Expired FR2124305B1 (enrdf_load_stackoverflow) 1971-02-03 1972-01-31

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)

Families Citing this family (2)

* 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
EP0854129B2 (de) 1997-01-17 2007-11-28 Basf Aktiengesellschaft Verfahren der kontinuierlichen destillativen Auftrennung von flüssigen Gemischen, die als Hauptbestandteil (Meth)acrylsäure enthalten

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

Also Published As

Publication number Publication date
GB1371984A (en) 1974-10-30
BE778859A (fr) 1972-08-02
DE2104890A1 (de) 1972-08-24
FR2124305A1 (enrdf_load_stackoverflow) 1972-09-22

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Legal Events

Date Code Title Description
ST Notification of lapse