CH642903A5 - Verfahren zum herstellen von formkoerpern aus geschaeumtem kunststoff, wie z.b. geschaeumtem polystyrol. - Google Patents
Verfahren zum herstellen von formkoerpern aus geschaeumtem kunststoff, wie z.b. geschaeumtem polystyrol. Download PDFInfo
- Publication number
- CH642903A5 CH642903A5 CH14680A CH14680A CH642903A5 CH 642903 A5 CH642903 A5 CH 642903A5 CH 14680 A CH14680 A CH 14680A CH 14680 A CH14680 A CH 14680A CH 642903 A5 CH642903 A5 CH 642903A5
- Authority
- CH
- Switzerland
- Prior art keywords
- mold
- stabilizing agent
- agent
- molded body
- vacuum
- Prior art date
Links
- 239000004033 plastic Substances 0.000 title claims description 10
- 229920006248 expandable polystyrene Polymers 0.000 title claims description 3
- 238000004519 manufacturing process Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims description 30
- 239000003381 stabilizer Substances 0.000 claims description 15
- 230000006641 stabilisation Effects 0.000 claims description 13
- 238000011105 stabilization Methods 0.000 claims description 13
- 239000004088 foaming agent Substances 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000006260 foam Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 6
- 239000011049 pearl Substances 0.000 claims description 4
- 239000004604 Blowing Agent Substances 0.000 claims description 3
- 238000005187 foaming Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000001816 cooling Methods 0.000 description 7
- 239000011324 bead Substances 0.000 description 5
- 238000009499 grossing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000013518 molded foam Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000013022 venting 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
- 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
- B29C44/3461—Making or treating expandable particles
-
- 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
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- 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
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
-
- 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Carbon And Carbon Compounds (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2903495A DE2903495C2 (de) | 1979-01-30 | 1979-01-30 | Verfahren zum Herstellen von Formkörpern aus geschäumtem Kunststoff, insbesondere aus geschäumten Polystyrol |
| DE2911120A DE2911120C2 (de) | 1979-03-21 | 1979-03-21 | Verfahren zum Herstellen von Formkörpern aus geschäumtem Kunststoff, wie z.B. geschäumtem Polystyrol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH642903A5 true CH642903A5 (de) | 1984-05-15 |
Family
ID=25777600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH14680A CH642903A5 (de) | 1979-01-30 | 1980-01-09 | Verfahren zum herstellen von formkoerpern aus geschaeumtem kunststoff, wie z.b. geschaeumtem polystyrol. |
Country Status (5)
| Country | Link |
|---|---|
| CH (1) | CH642903A5 (enrdf_load_stackoverflow) |
| ES (1) | ES8100153A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2447803A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2040788B (enrdf_load_stackoverflow) |
| SE (1) | SE8000748L (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6547547B2 (en) * | 2000-02-01 | 2003-04-15 | Daisen Industry Co., Ltd. | Apparatus for molding composite foam molding element |
| US20010021402A1 (en) * | 2000-03-13 | 2001-09-13 | Iwao Nohara | Foam molding die apparatus |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1274755A (fr) * | 1960-10-17 | 1961-10-27 | Wanner Ag | Procédé de conformation de matières à façonner ou à faire mousser dans des moules |
| DE1778819A1 (de) * | 1968-06-08 | 1972-03-23 | Gruenzweig & Hartmann | Schaeumform zum Aufschaeumen von Kunstharzmassen |
| DE1779415A1 (de) * | 1968-08-09 | 1971-11-18 | Basf Ag | Verfahren zum Herstellen von Formkoerpern |
| GB1534696A (en) * | 1976-03-26 | 1978-12-06 | Precision Rams Ltd | Manufacture of insulating blocks |
-
1980
- 1980-01-09 CH CH14680A patent/CH642903A5/de not_active IP Right Cessation
- 1980-01-09 FR FR8000379A patent/FR2447803A1/fr active Granted
- 1980-01-15 GB GB8001259A patent/GB2040788B/en not_active Expired
- 1980-01-30 SE SE8000748A patent/SE8000748L/ not_active Application Discontinuation
- 1980-01-31 ES ES488064A patent/ES8100153A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES488064A0 (es) | 1980-11-01 |
| FR2447803A1 (fr) | 1980-08-29 |
| GB2040788B (en) | 1982-10-06 |
| SE8000748L (sv) | 1980-07-31 |
| FR2447803B1 (enrdf_load_stackoverflow) | 1983-06-17 |
| GB2040788A (en) | 1980-09-03 |
| ES8100153A1 (es) | 1980-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |