BE778859A - Materiau a base de polytetrafluorethylene pour le revetement des appareils de distillation de l'acide acrylique - Google Patents
Materiau a base de polytetrafluorethylene pour le revetement des appareils de distillation de l'acide acryliqueInfo
- Publication number
- BE778859A BE778859A BE778859A BE778859A BE778859A BE 778859 A BE778859 A BE 778859A BE 778859 A BE778859 A BE 778859A BE 778859 A BE778859 A BE 778859A BE 778859 A BE778859 A BE 778859A
- Authority
- BE
- Belgium
- Prior art keywords
- polytetrafluorethylene
- acrylic acid
- based material
- distillation equipment
- acid distillation
- Prior art date
Links
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 title 2
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 238000004821 distillation Methods 0.000 title 1
- 239000000463 material Substances 0.000 title 1
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)
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 |
|---|---|
| BE778859A true BE778859A (fr) | 1972-08-02 |
Family
ID=5797642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
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)
| 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)
| 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 |
-
1971
- 1971-02-03 DE DE19712104890 patent/DE2104890A1/de active Pending
-
1972
- 1972-01-31 FR FR7203106A patent/FR2124305B1/fr not_active Expired
- 1972-02-02 GB GB480372A patent/GB1371984A/en not_active Expired
- 1972-02-02 BE BE778859A patent/BE778859A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1371984A (en) | 1974-10-30 |
| FR2124305B1 (enrdf_load_stackoverflow) | 1977-04-01 |
| DE2104890A1 (de) | 1972-08-24 |
| FR2124305A1 (enrdf_load_stackoverflow) | 1972-09-22 |
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