GB2051073A - Expanding and Molding Pre- foamed Plastic Granules - Google Patents
Expanding and Molding Pre- foamed Plastic Granules Download PDFInfo
- Publication number
- GB2051073A GB2051073A GB8017610A GB8017610A GB2051073A GB 2051073 A GB2051073 A GB 2051073A GB 8017610 A GB8017610 A GB 8017610A GB 8017610 A GB8017610 A GB 8017610A GB 2051073 A GB2051073 A GB 2051073A
- Authority
- GB
- United Kingdom
- Prior art keywords
- heating medium
- mold
- process according
- steam
- plastic granules
- 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.)
- Withdrawn
Links
- 229920000426 Microplastic Polymers 0.000 title claims abstract description 12
- 238000000465 moulding Methods 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 239000011261 inert gas Substances 0.000 claims abstract description 13
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 11
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 11
- 239000008187 granular material Substances 0.000 claims abstract description 9
- 238000010792 warming Methods 0.000 claims abstract description 7
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 31
- 239000007789 gas Substances 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 239000002360 explosive Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229920006329 Styropor Polymers 0.000 claims description 3
- 239000004604 Blowing Agent Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000002401 inhibitory effect Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims 1
- 229920006327 polystyrene foam Polymers 0.000 claims 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract description 6
- 229920006248 expandable polystyrene Polymers 0.000 abstract description 4
- 239000006260 foam Substances 0.000 abstract description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 2
- 239000001569 carbon dioxide Substances 0.000 abstract description 2
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract description 2
- 239000003570 air Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding 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
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
- C08J9/232—Forming foamed products by sintering 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
- B29C44/3415—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
- 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
- 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
- B29K2025/04—Polymers of styrene
- B29K2025/06—PS, i.e. polystyrene
-
- 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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Molding Of Porous Articles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792922315 DE2922315A1 (de) | 1979-05-31 | 1979-05-31 | Verfahren zur herstellung von schaeumbaren thermoplastischen kunststoffen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2051073A true GB2051073A (en) | 1981-01-14 |
Family
ID=6072228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8017610A Withdrawn GB2051073A (en) | 1979-05-31 | 1980-05-29 | Expanding and Molding Pre- foamed Plastic Granules |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS5628836A (pt) |
| BE (1) | BE883586A (pt) |
| BR (1) | BR8003418A (pt) |
| DE (1) | DE2922315A1 (pt) |
| ES (1) | ES492029A0 (pt) |
| FR (1) | FR2457881A1 (pt) |
| GB (1) | GB2051073A (pt) |
| IL (1) | IL60200A0 (pt) |
| IT (1) | IT1140984B (pt) |
| MA (1) | MA18863A1 (pt) |
| NL (1) | NL8003137A (pt) |
| PT (1) | PT71334A (pt) |
| SE (1) | SE8004058L (pt) |
-
1979
- 1979-05-31 DE DE19792922315 patent/DE2922315A1/de not_active Withdrawn
- 1979-06-08 FR FR7914779A patent/FR2457881A1/fr active Granted
-
1980
- 1980-05-29 NL NL8003137A patent/NL8003137A/nl not_active Application Discontinuation
- 1980-05-29 GB GB8017610A patent/GB2051073A/en not_active Withdrawn
- 1980-05-30 ES ES492029A patent/ES492029A0/es active Granted
- 1980-05-30 BR BR8003418A patent/BR8003418A/pt unknown
- 1980-05-30 MA MA19061A patent/MA18863A1/fr unknown
- 1980-05-30 IT IT22470/80A patent/IT1140984B/it active
- 1980-05-30 SE SE8004058A patent/SE8004058L/xx unknown
- 1980-05-30 IL IL60200A patent/IL60200A0/xx unknown
- 1980-05-30 PT PT71334A patent/PT71334A/pt unknown
- 1980-05-30 JP JP7163680A patent/JPS5628836A/ja active Pending
- 1980-05-30 BE BE0/200852A patent/BE883586A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL8003137A (nl) | 1980-12-02 |
| IT8022470A0 (it) | 1980-05-30 |
| MA18863A1 (fr) | 1980-12-31 |
| SE8004058L (sv) | 1980-12-01 |
| FR2457881A1 (fr) | 1980-12-26 |
| DE2922315A1 (de) | 1981-02-05 |
| ES8102167A1 (es) | 1980-12-16 |
| BR8003418A (pt) | 1981-01-05 |
| FR2457881B3 (pt) | 1982-05-21 |
| PT71334A (en) | 1980-06-01 |
| JPS5628836A (en) | 1981-03-23 |
| IT1140984B (it) | 1986-10-10 |
| BE883586A (fr) | 1980-09-15 |
| IL60200A0 (en) | 1980-07-31 |
| ES492029A0 (es) | 1980-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |