DE10345961A1 - Verfahren zur Verbesserung der Barriereeigenschaften von Kunststoffen, sowie Kunststoffe mit verbesserten Barriereeigenschaften - Google Patents
Verfahren zur Verbesserung der Barriereeigenschaften von Kunststoffen, sowie Kunststoffe mit verbesserten Barriereeigenschaften Download PDFInfo
- Publication number
- DE10345961A1 DE10345961A1 DE10345961A DE10345961A DE10345961A1 DE 10345961 A1 DE10345961 A1 DE 10345961A1 DE 10345961 A DE10345961 A DE 10345961A DE 10345961 A DE10345961 A DE 10345961A DE 10345961 A1 DE10345961 A1 DE 10345961A1
- Authority
- DE
- Germany
- Prior art keywords
- plastic
- ultrasonic energy
- fluid
- layer
- gas barrier
- 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.)
- Granted
Links
Classifications
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/919—Thermal treatment of the stream of extruded material, e.g. cooling using a bath, e.g. extruding into an open bath to coagulate or cool the material
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/004—Semi-crystalline
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0037—Other properties
- B29K2995/0065—Permeability to gases
- B29K2995/0067—Permeability to gases non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2009/00—Layered products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
Vorgeschlagen wird ein Verfahren zur Verbesserung der Barriereeigenschaften von Kunststoffen, insbesondere von Kunststoffrohren, indem bei der Extrusion von thermoplastischen Kunststoffen Ultraschallenergie im Bereich der Düse der Rohrextrusionsanlage und/oder nach der Düse auf die zunächst noch plastische Schmelze, insbesondere Schmelzeschlauch, aufgebracht wird. Die Ultraschallenergie wird dabei in ihrer Leistung bzw. Amplitude der Ultraschallschwingungen vorzugsweise so bemessen, dass sie in einem Bereich liegt, in welchem sich der Schmelzeschlauch nach dem Austritt aus der Düse zwar abkühlt, jedoch dennoch ein positiver Effekt auf die Barriereeigenschaften des Kunststoffrohres bewirkt wird.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10345961A DE10345961B4 (de) | 2003-10-02 | 2003-10-02 | Verwendung eines Extrusionsverfahrens zur Verbesserung der Barriereeigenschaften von Kunststoff sowie damit herstellbare Rohr- und Kunststoffleitungen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10345961A DE10345961B4 (de) | 2003-10-02 | 2003-10-02 | Verwendung eines Extrusionsverfahrens zur Verbesserung der Barriereeigenschaften von Kunststoff sowie damit herstellbare Rohr- und Kunststoffleitungen |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10345961A1 true DE10345961A1 (de) | 2005-05-04 |
DE10345961B4 DE10345961B4 (de) | 2005-08-18 |
Family
ID=34399202
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10345961A Expired - Fee Related DE10345961B4 (de) | 2003-10-02 | 2003-10-02 | Verwendung eines Extrusionsverfahrens zur Verbesserung der Barriereeigenschaften von Kunststoff sowie damit herstellbare Rohr- und Kunststoffleitungen |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10345961B4 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008053436B4 (de) | 2008-10-28 | 2022-06-30 | Volkswagen Ag | Fahrzeug mit einer Kraftstoffleitung zur Förderung zumindest flüssigen Kraftstoffes |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3184791A (en) * | 1962-08-17 | 1965-05-25 | Union Carbide Corp | Apparatus for fabrication of thermoplastic resins |
DE1704783A1 (de) * | 1967-12-21 | 1972-03-02 | Kalle Ag | Verfahren und Vorrichtung zur Herstellung von Hohlprofilen |
EP0370394A2 (de) * | 1988-11-24 | 1990-05-30 | Idemitsu Kosan Company Limited | Vorrichtung zum Extrudieren |
DE10110964A1 (de) * | 2000-06-09 | 2001-12-20 | Ems Chemie Ag | Thermoplastische Mehrschichtverbunde |
-
2003
- 2003-10-02 DE DE10345961A patent/DE10345961B4/de not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3184791A (en) * | 1962-08-17 | 1965-05-25 | Union Carbide Corp | Apparatus for fabrication of thermoplastic resins |
DE1704783A1 (de) * | 1967-12-21 | 1972-03-02 | Kalle Ag | Verfahren und Vorrichtung zur Herstellung von Hohlprofilen |
EP0370394A2 (de) * | 1988-11-24 | 1990-05-30 | Idemitsu Kosan Company Limited | Vorrichtung zum Extrudieren |
DE10110964A1 (de) * | 2000-06-09 | 2001-12-20 | Ems Chemie Ag | Thermoplastische Mehrschichtverbunde |
Also Published As
Publication number | Publication date |
---|---|
DE10345961B4 (de) | 2005-08-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |