FR2124305A1 - - Google Patents

Info

Publication number
FR2124305A1
FR2124305A1 FR7203106A FR7203106A FR2124305A1 FR 2124305 A1 FR2124305 A1 FR 2124305A1 FR 7203106 A FR7203106 A FR 7203106A FR 7203106 A FR7203106 A FR 7203106A FR 2124305 A1 FR2124305 A1 FR 2124305A1
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.)
Granted
Application number
FR7203106A
Other languages
French (fr)
Other versions
FR2124305B1 (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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE, Badische Anilin and Sodafabrik AG 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

    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/002—Scale prevention in a polymerisation reactor or its auxiliary parts
    • C08F2/007—Scale prevention in the auxiliary parts
    • 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
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/22—Fractionating columns in which vapour bubbles through liquid with horizontal sieve plates or grids; Construction of sieve plates or grids
    • B01D3/225—Dual-flow sieve trays
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes 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
    • B05D5/083—Processes 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/26—Lining or sheathing of internal surfaces
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/22—Processes, 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 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712104890 DE2104890A1 (en) 1971-02-03 1971-02-03 Use of polytetrafluoroethylene as a lining material for a distillation plant for acrylic acid

Publications (2)

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

Family

ID=5797642

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0612569A1 (en) * 1993-02-24 1994-08-31 Hoechst Aktiengesellschaft Process for coating porous hydrophobic substrates with thermoplastic fluoropolymers

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59700215D1 (en) † 1997-01-17 1999-07-22 Basf Ag Process for the continuous separation by distillation of liquid mixtures which contain (meth) acrylic acid as the main constituent

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1505294A (en) * 1965-12-22 1967-12-08 Dynamit Nobel Ag Device and method for preparing vinyl fluoride
CH484732A (en) * 1969-01-09 1970-01-31 Fischer Ag Georg Method for preventing catalytic oxidation in a thermoplastic

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1505294A (en) * 1965-12-22 1967-12-08 Dynamit Nobel Ag Device and method for preparing vinyl fluoride
CH484732A (en) * 1969-01-09 1970-01-31 Fischer Ag Georg Method for preventing catalytic oxidation in a thermoplastic

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0612569A1 (en) * 1993-02-24 1994-08-31 Hoechst Aktiengesellschaft Process for coating porous hydrophobic substrates with thermoplastic fluoropolymers
US6149978A (en) * 1993-02-24 2000-11-21 Dyneon Gmbh Coating of porous, hydrophobic substrates with thermoplastic fluoropolymers

Also Published As

Publication number Publication date
DE2104890A1 (en) 1972-08-24
FR2124305B1 (en) 1977-04-01
BE778859A (en) 1972-08-02
GB1371984A (en) 1974-10-30

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Legal Events

Date Code Title Description
ST Notification of lapse