DE2402968A1 - Verfahren und strangpresse zum formen vernetzbaren kunststoffes - Google Patents
Verfahren und strangpresse zum formen vernetzbaren kunststoffesInfo
- Publication number
- DE2402968A1 DE2402968A1 DE2402968A DE2402968A DE2402968A1 DE 2402968 A1 DE2402968 A1 DE 2402968A1 DE 2402968 A DE2402968 A DE 2402968A DE 2402968 A DE2402968 A DE 2402968A DE 2402968 A1 DE2402968 A1 DE 2402968A1
- Authority
- DE
- Germany
- Prior art keywords
- plastic
- pressure
- press
- cylinder
- temperature
- 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
Links
- 229920003023 plastic Polymers 0.000 title claims description 72
- 239000004033 plastic Substances 0.000 title claims description 72
- 238000000465 moulding Methods 0.000 title claims description 11
- 238000000034 method Methods 0.000 title claims description 10
- 238000001125 extrusion Methods 0.000 title claims description 9
- 238000004132 cross linking Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 5
- 239000002991 molded plastic Substances 0.000 claims description 2
- -1 polypropylene Polymers 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- OUUQCZGPVNCOIJ-UHFFFAOYSA-M Superoxide Chemical compound [O-][O] OUUQCZGPVNCOIJ-UHFFFAOYSA-M 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- ODLMAHJVESYWTB-UHFFFAOYSA-N propylbenzene Chemical compound CCCC1=CC=CC=C1 ODLMAHJVESYWTB-UHFFFAOYSA-N 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 229960003328 benzoyl peroxide Drugs 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003000 extruded plastic Substances 0.000 description 1
- RWGFKTVRMDUZSP-UHFFFAOYSA-N isopropyl-benzene Natural products CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/83—Heating or cooling the cylinders
- B29C48/832—Heating
-
- 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
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
- B29C48/388—Plasticisers, homogenisers or feeders comprising two or more stages using a screw extruder and a ram or piston
-
- 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
- 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
- B29K2101/00—Use of unspecified macromolecular compounds as moulding material
- B29K2101/10—Thermosetting resins
-
- 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
- B29K2301/00—Use of unspecified macromolecular compounds as reinforcement
- B29K2301/10—Thermosetting resins
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB434673A GB1431101A (en) | 1973-01-29 | 1973-01-29 | Extrusion of cross linkable plastics materials |
| GB3232973 | 1973-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2402968A1 true DE2402968A1 (de) | 1974-08-08 |
Family
ID=26239058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2402968A Pending DE2402968A1 (de) | 1973-01-29 | 1974-01-22 | Verfahren und strangpresse zum formen vernetzbaren kunststoffes |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS49110748A (enExample) |
| AU (1) | AU6489174A (enExample) |
| DD (1) | DD109344A5 (enExample) |
| DE (1) | DE2402968A1 (enExample) |
| FR (1) | FR2215307B3 (enExample) |
| GB (1) | GB1431101A (enExample) |
| IT (1) | IT1009124B (enExample) |
| LU (1) | LU69257A1 (enExample) |
| NL (1) | NL7401141A (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE3259T1 (de) * | 1980-01-18 | 1983-05-15 | Wirsbo Bruks Aktiebolag | Herstellung geformter vernetzter materialien. |
-
1973
- 1973-01-29 GB GB434673A patent/GB1431101A/en not_active Expired
-
1974
- 1974-01-22 DE DE2402968A patent/DE2402968A1/de active Pending
- 1974-01-25 JP JP49010855A patent/JPS49110748A/ja active Pending
- 1974-01-25 AU AU64891/74A patent/AU6489174A/en not_active Expired
- 1974-01-28 DD DD176231A patent/DD109344A5/xx unknown
- 1974-01-28 FR FR7402708A patent/FR2215307B3/fr not_active Expired
- 1974-01-28 LU LU69257A patent/LU69257A1/xx unknown
- 1974-01-28 NL NL7401141A patent/NL7401141A/xx unknown
- 1974-01-28 IT IT67232/74A patent/IT1009124B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1009124B (it) | 1976-12-10 |
| AU6489174A (en) | 1975-07-31 |
| DD109344A5 (enExample) | 1974-11-05 |
| FR2215307A1 (enExample) | 1974-08-23 |
| GB1431101A (en) | 1976-04-07 |
| LU69257A1 (enExample) | 1974-04-10 |
| NL7401141A (enExample) | 1974-07-31 |
| JPS49110748A (enExample) | 1974-10-22 |
| FR2215307B3 (enExample) | 1976-11-19 |
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