DE3524830A1 - Verfahren zur herstellung von polystyrolpellets, insbesondere expandierbaren polystyrolpellets - Google Patents
Verfahren zur herstellung von polystyrolpellets, insbesondere expandierbaren polystyrolpelletsInfo
- Publication number
- DE3524830A1 DE3524830A1 DE19853524830 DE3524830A DE3524830A1 DE 3524830 A1 DE3524830 A1 DE 3524830A1 DE 19853524830 DE19853524830 DE 19853524830 DE 3524830 A DE3524830 A DE 3524830A DE 3524830 A1 DE3524830 A1 DE 3524830A1
- Authority
- DE
- Germany
- Prior art keywords
- pellets
- strands
- reactor
- extruded
- polymer melt
- 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- Withdrawn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
- 239000008188 pellet Substances 0.000 title claims description 89
- 229920002223 polystyrene Polymers 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000000034 method Methods 0.000 claims description 81
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 46
- 239000011324 bead Substances 0.000 claims description 32
- 238000005520 cutting process Methods 0.000 claims description 30
- 239000004604 Blowing Agent Substances 0.000 claims description 29
- 229920000642 polymer Polymers 0.000 claims description 29
- 239000004793 Polystyrene Substances 0.000 claims description 27
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical class CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 229920006248 expandable polystyrene Polymers 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 14
- 238000012662 bulk polymerization Methods 0.000 claims description 7
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical group 0.000 claims description 3
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical class CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 claims description 3
- 235000013844 butane Nutrition 0.000 claims 1
- 239000000725 suspension Substances 0.000 description 26
- 239000011049 pearl Substances 0.000 description 18
- 238000005470 impregnation Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 8
- 239000002699 waste material Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 238000010557 suspension polymerization reaction Methods 0.000 description 6
- 229920001169 thermoplastic Polymers 0.000 description 6
- 238000010924 continuous production Methods 0.000 description 5
- 238000000265 homogenisation Methods 0.000 description 5
- 239000000155 melt Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000004416 thermosoftening plastic Substances 0.000 description 4
- AFABGHUZZDYHJO-UHFFFAOYSA-N dimethyl butane Natural products CCCC(C)C AFABGHUZZDYHJO-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000000375 suspending agent Substances 0.000 description 3
- JLBJTVDPSNHSKJ-UHFFFAOYSA-N 4-Methylstyrene Chemical compound CC1=CC=C(C=C)C=C1 JLBJTVDPSNHSKJ-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000004794 expanded polystyrene Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- QWTDNUCVQCZILF-UHFFFAOYSA-N isopentane Chemical compound CCC(C)C QWTDNUCVQCZILF-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- CRSOQBOWXPBRES-UHFFFAOYSA-N neopentane Chemical compound CC(C)(C)C CRSOQBOWXPBRES-UHFFFAOYSA-N 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- -1 pentane Chemical class 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- NVZWEEGUWXZOKI-UHFFFAOYSA-N 1-ethenyl-2-methylbenzene Chemical compound CC1=CC=CC=C1C=C NVZWEEGUWXZOKI-UHFFFAOYSA-N 0.000 description 1
- JZHGRUMIRATHIU-UHFFFAOYSA-N 1-ethenyl-3-methylbenzene Chemical compound CC1=CC=CC(C=C)=C1 JZHGRUMIRATHIU-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- 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
- 241000212384 Bifora Species 0.000 description 1
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000002666 chemical blowing agent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 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
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002667 nucleating agent Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 239000012260 resinous material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- BWSZXUOMATYHHI-UHFFFAOYSA-N tert-butyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(C)(C)C BWSZXUOMATYHHI-UHFFFAOYSA-N 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- 238000011144 upstream manufacturing 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/02—Making granules by dividing preformed material
- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
-
- 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
- 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
-
- 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
- B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
- B29K2105/04—Condition, form or state of moulded material or of the material to be shaped cellular or porous
-
- 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)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63166684A | 1984-07-16 | 1984-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3524830A1 true DE3524830A1 (de) | 1986-01-16 |
Family
ID=24532217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853524830 Withdrawn DE3524830A1 (de) | 1984-07-16 | 1985-07-11 | Verfahren zur herstellung von polystyrolpellets, insbesondere expandierbaren polystyrolpellets |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS6157313A (it) |
| DE (1) | DE3524830A1 (it) |
| FR (1) | FR2567446A1 (it) |
| GB (1) | GB2162789A (it) |
| IT (1) | IT1186758B (it) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0564781A1 (de) * | 1992-04-09 | 1993-10-13 | Hüls Aktiengesellschaft | Verfahren zur kontinuierlichen Herstellung von Schaumperlen |
| EP0925899A1 (en) * | 1997-12-26 | 1999-06-30 | Shinho Petrochemical Co. Ltd. | Apparatus for producing foamed styrene resin |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2819209B2 (ja) * | 1992-07-14 | 1998-10-30 | 基嗣 須加 | スチレン系合成樹脂からなるプラスチック廃棄物の改良リサイクル法 |
| EP2452969A1 (de) | 2010-11-11 | 2012-05-16 | Basf Se | Verfahren zur Herstellung von expandierbaren thermoplastischen Partikeln durch Nachimprägnierung |
| CN114749126B (zh) * | 2022-04-12 | 2023-10-27 | 粟中民 | 一种本体法生产可发泡聚苯乙烯装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES176005A1 (es) * | 1940-07-12 | 1947-01-16 | Pasquetti Carlo | Un procedimiento de preparación de polvos termoplásticos y dispositivo para su ejecución |
| NL164231B (nl) * | 1951-08-29 | Michelin & Cie | Luchtband van het type met een radiaalkarkas. | |
| GB860827A (en) * | 1956-02-23 | 1961-02-08 | Eastman Kodak Co | Apparatus and method for forming pellets of organic thermoplastic material |
| GB1062307A (en) * | 1965-03-17 | 1967-03-22 | Shell Int Research | Improvements in and relating to the manufacture of particulate expandable polymers and to the manufacture of expanded polymers therefrom |
| FR1595014A (it) * | 1968-01-18 | 1970-06-08 | ||
| FR2003581A1 (it) * | 1968-03-09 | 1969-11-07 | Asahi Chemical Ind | |
| GB1257724A (it) * | 1968-07-15 | 1971-12-22 |
-
1985
- 1985-07-02 GB GB08516723A patent/GB2162789A/en not_active Withdrawn
- 1985-07-10 FR FR8510590A patent/FR2567446A1/fr not_active Withdrawn
- 1985-07-11 DE DE19853524830 patent/DE3524830A1/de not_active Withdrawn
- 1985-07-12 IT IT21555/85A patent/IT1186758B/it active
- 1985-07-16 JP JP60155340A patent/JPS6157313A/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0564781A1 (de) * | 1992-04-09 | 1993-10-13 | Hüls Aktiengesellschaft | Verfahren zur kontinuierlichen Herstellung von Schaumperlen |
| US5480599A (en) * | 1992-04-09 | 1996-01-02 | Huels Aktiengesellschaft | Method of manufacturing foam beads |
| EP0925899A1 (en) * | 1997-12-26 | 1999-06-30 | Shinho Petrochemical Co. Ltd. | Apparatus for producing foamed styrene resin |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6157313A (ja) | 1986-03-24 |
| GB2162789A (en) | 1986-02-12 |
| FR2567446A1 (fr) | 1986-01-17 |
| IT8521555A0 (it) | 1985-07-12 |
| IT1186758B (it) | 1987-12-16 |
| GB8516723D0 (en) | 1985-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8139 | Disposal/non-payment of the annual fee |