DE2042365C3 - Verfahren zum kontinuierlichen Herstellen geschäumter Bahnen aus vollständig ausgeschäumten Kunststoffperlen - Google Patents
Verfahren zum kontinuierlichen Herstellen geschäumter Bahnen aus vollständig ausgeschäumten KunststoffperlenInfo
- Publication number
- DE2042365C3 DE2042365C3 DE19702042365 DE2042365A DE2042365C3 DE 2042365 C3 DE2042365 C3 DE 2042365C3 DE 19702042365 DE19702042365 DE 19702042365 DE 2042365 A DE2042365 A DE 2042365A DE 2042365 C3 DE2042365 C3 DE 2042365C3
- Authority
- DE
- Germany
- Prior art keywords
- foamed
- granules
- density
- beads
- continuous production
- 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.)
- Expired
Links
- 239000011324 bead Substances 0.000 title claims description 16
- 238000000034 method Methods 0.000 title claims description 8
- 238000010924 continuous production Methods 0.000 title claims description 6
- 239000004033 plastic Substances 0.000 title claims description 4
- 230000008569 process Effects 0.000 title claims description 4
- 239000008187 granular material Substances 0.000 claims description 23
- 239000004604 Blowing Agent Substances 0.000 claims description 6
- 238000005187 foaming Methods 0.000 claims description 6
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- 230000000717 retained effect Effects 0.000 claims description 2
- 230000001427 coherent effect Effects 0.000 claims 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 8
- 239000003380 propellant Substances 0.000 description 8
- 229920006248 expandable polystyrene Polymers 0.000 description 7
- 238000007493 shaping process Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- 230000005070 ripening Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000011049 pearl Substances 0.000 description 4
- 230000035800 maturation Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 206010000060 Abdominal distension Diseases 0.000 description 1
- 208000024330 bloating Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004794 expanded polystyrene Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007676 flexural strength test Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001007 puffing effect Effects 0.000 description 1
- 230000009467 reduction Effects 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
- C08J9/16—Making 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
-
- 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
-
- 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/24—Making multilayered articles
-
- 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/26—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length using several expanding steps
-
- 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/30—Expanding the moulding material between endless belts or rollers
-
- 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
- B29C44/56—After-treatment of articles, e.g. for altering the shape
- B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
- B29C44/5636—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching with the addition of heat
-
- 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
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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)
- Mechanical Engineering (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR13377A FR1440106A (fr) | 1965-04-15 | 1965-04-15 | Procédé et dispositifs pour l'obtention de produits cellulaires en résine thermoplastique |
| FR83268A FR91244E (fr) | 1965-04-15 | 1966-11-10 | Procédé et dispositifs pour l'obtention de produits cellulaires en résine thermoplastique |
| FR87044A FR92122E (fr) | 1965-04-15 | 1966-12-12 | Procédé et dispositifs pour l'obtention de produits cellulaires en résine thermoplastique |
| FR6929272A FR2056060A6 (en) | 1965-04-15 | 1969-08-27 | Foamed polystyrene |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2042365A1 DE2042365A1 (de) | 1971-03-04 |
| DE2042365B2 DE2042365B2 (de) | 1979-04-26 |
| DE2042365C3 true DE2042365C3 (de) | 1980-01-24 |
Family
ID=27444360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702042365 Expired DE2042365C3 (de) | 1965-04-15 | 1970-08-26 | Verfahren zum kontinuierlichen Herstellen geschäumter Bahnen aus vollständig ausgeschäumten Kunststoffperlen |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT327526B (enrdf_load_stackoverflow) |
| BE (1) | BE755339R (enrdf_load_stackoverflow) |
| DE (1) | DE2042365C3 (enrdf_load_stackoverflow) |
| GB (1) | GB1290269A (enrdf_load_stackoverflow) |
| NL (1) | NL7012618A (enrdf_load_stackoverflow) |
-
0
- BE BE755339D patent/BE755339R/xx active
-
1970
- 1970-08-14 AT AT742370A patent/AT327526B/de not_active IP Right Cessation
- 1970-08-20 GB GB1290269D patent/GB1290269A/en not_active Expired
- 1970-08-26 DE DE19702042365 patent/DE2042365C3/de not_active Expired
- 1970-08-26 NL NL7012618A patent/NL7012618A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AT327526B (de) | 1976-02-10 |
| NL7012618A (enrdf_load_stackoverflow) | 1971-03-02 |
| BE755339R (fr) | 1971-02-26 |
| DE2042365B2 (de) | 1979-04-26 |
| ATA742370A (de) | 1975-04-15 |
| DE2042365A1 (de) | 1971-03-04 |
| GB1290269A (enrdf_load_stackoverflow) | 1972-09-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |