DE1261660B - Verfahren zur Herstellung von Schaumkunststofferzeugnissen durch Strangverpressen von blaehmittelhaltigem, thermoplastischem Material - Google Patents
Verfahren zur Herstellung von Schaumkunststofferzeugnissen durch Strangverpressen von blaehmittelhaltigem, thermoplastischem MaterialInfo
- Publication number
- DE1261660B DE1261660B DES75205A DES0075205A DE1261660B DE 1261660 B DE1261660 B DE 1261660B DE S75205 A DES75205 A DE S75205A DE S0075205 A DES0075205 A DE S0075205A DE 1261660 B DE1261660 B DE 1261660B
- Authority
- DE
- Germany
- Prior art keywords
- pressure
- blowing agent
- thermoplastic material
- zone
- cylinder
- 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
- 238000000034 method Methods 0.000 title claims description 26
- 239000004604 Blowing Agent Substances 0.000 title claims description 21
- 239000006260 foam Substances 0.000 title claims description 16
- 238000001125 extrusion Methods 0.000 title claims description 13
- 239000012815 thermoplastic material Substances 0.000 title claims description 12
- 239000004033 plastic Substances 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 230000008569 process Effects 0.000 title description 13
- 239000000203 mixture Substances 0.000 claims description 14
- 239000011148 porous material Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000009969 flowable effect Effects 0.000 claims description 4
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000000047 product Substances 0.000 description 13
- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 238000001816 cooling Methods 0.000 description 11
- 238000002156 mixing Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 239000000654 additive Substances 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 210000003127 knee Anatomy 0.000 description 2
- -1 pentane or hexane Chemical class 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 229910052736 halogen Chemical class 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000010626 work up procedure Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3442—Mixing, kneading or conveying the foamable 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
- B29C44/507—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through an annular die
-
- 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
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12606461A | 1961-07-24 | 1961-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1261660B true DE1261660B (de) | 1968-02-22 |
Family
ID=22422798
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DES75205A Pending DE1261660B (de) | 1961-07-24 | 1961-08-03 | Verfahren zur Herstellung von Schaumkunststofferzeugnissen durch Strangverpressen von blaehmittelhaltigem, thermoplastischem Material |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1261660B (enrdf_load_stackoverflow) |
NL (1) | NL272537A (enrdf_load_stackoverflow) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1779488B1 (de) * | 1968-08-17 | 1973-10-31 | Reifenhaeuser Kg | Schneckenpresse |
DE2832521A1 (de) * | 1977-07-27 | 1979-02-15 | Oakes Ltd E T | Verfahren und vorrichtung zur erzeugung eines poroesen produktes |
DE3316838A1 (de) * | 1983-05-07 | 1984-11-08 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Verfahren und tandem-extruderanlage zur herstellung einer aufgeschaeumten materialbahn aus polystyrol oder dergleichen |
FR2585282A1 (fr) * | 1985-07-24 | 1987-01-30 | Sekisui Plastics | Procede et appareil de fabrication d'une mousse d'une matiere thermoplastique par melange de la matiere avec un agent porogene et extrusion continue |
DE3703758A1 (de) * | 1986-02-12 | 1987-08-20 | Sumitomo Chemical Co | Extrusionsvorrichtung fuer das extrudieren eines kunststoffes |
DE4411164C1 (de) * | 1994-03-30 | 1995-05-18 | Rieter Automatik Gmbh | Verfahren und Vorrichtung zum Herstellen eines aufschäumbaren Kunststoffs |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1081583A (fr) * | 1952-07-26 | 1954-12-21 | Isoleringsaktiebolaget W M B | Dispositif pour la production de corps poreux en matières thermoplastiques |
FR1089319A (fr) * | 1953-10-29 | 1955-03-16 | Dow Chemical Co | Perfectionnements au procédé de fabrication d'un article cellulaire thermoplastique |
FR1215410A (fr) * | 1957-11-29 | 1960-04-19 | Dow Chemical Co | Procédé pour fabriquer une composition polymérisée moussant de façon latente |
-
0
- NL NL272537D patent/NL272537A/xx unknown
-
1961
- 1961-08-03 DE DES75205A patent/DE1261660B/de active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1081583A (fr) * | 1952-07-26 | 1954-12-21 | Isoleringsaktiebolaget W M B | Dispositif pour la production de corps poreux en matières thermoplastiques |
FR1089319A (fr) * | 1953-10-29 | 1955-03-16 | Dow Chemical Co | Perfectionnements au procédé de fabrication d'un article cellulaire thermoplastique |
FR1215410A (fr) * | 1957-11-29 | 1960-04-19 | Dow Chemical Co | Procédé pour fabriquer une composition polymérisée moussant de façon latente |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1779488B1 (de) * | 1968-08-17 | 1973-10-31 | Reifenhaeuser Kg | Schneckenpresse |
DE2832521A1 (de) * | 1977-07-27 | 1979-02-15 | Oakes Ltd E T | Verfahren und vorrichtung zur erzeugung eines poroesen produktes |
DE3316838A1 (de) * | 1983-05-07 | 1984-11-08 | Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover | Verfahren und tandem-extruderanlage zur herstellung einer aufgeschaeumten materialbahn aus polystyrol oder dergleichen |
FR2585282A1 (fr) * | 1985-07-24 | 1987-01-30 | Sekisui Plastics | Procede et appareil de fabrication d'une mousse d'une matiere thermoplastique par melange de la matiere avec un agent porogene et extrusion continue |
DE3703758A1 (de) * | 1986-02-12 | 1987-08-20 | Sumitomo Chemical Co | Extrusionsvorrichtung fuer das extrudieren eines kunststoffes |
DE4411164C1 (de) * | 1994-03-30 | 1995-05-18 | Rieter Automatik Gmbh | Verfahren und Vorrichtung zum Herstellen eines aufschäumbaren Kunststoffs |
Also Published As
Publication number | Publication date |
---|---|
NL272537A (enrdf_load_stackoverflow) |
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