DE1629323B2 - Verfahren zum herstellen geschaeumter polystyrolperlen - Google Patents
Verfahren zum herstellen geschaeumter polystyrolperlenInfo
- Publication number
- DE1629323B2 DE1629323B2 DE1966C0038708 DEC0038708A DE1629323B2 DE 1629323 B2 DE1629323 B2 DE 1629323B2 DE 1966C0038708 DE1966C0038708 DE 1966C0038708 DE C0038708 A DEC0038708 A DE C0038708A DE 1629323 B2 DE1629323 B2 DE 1629323B2
- Authority
- DE
- Germany
- Prior art keywords
- steam
- polystyrene beads
- pearls
- foamed polystyrene
- pressure
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 10
- 239000011324 bead Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 229920006248 expandable polystyrene Polymers 0.000 title claims description 3
- 239000011049 pearl Substances 0.000 claims description 8
- 239000004793 Polystyrene Substances 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 4
- 230000001143 conditioned effect Effects 0.000 claims description 3
- 239000004604 Blowing Agent Substances 0.000 claims description 2
- 238000007664 blowing Methods 0.000 claims 1
- 239000000047 product Substances 0.000 description 9
- 238000009413 insulation Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000003750 conditioning effect Effects 0.000 description 3
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 239000007858 starting material Substances 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/09—Pre-expansion of foamed polystyrene
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/15—Aging of foamed resin products
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR13185A FR1440076A (fr) | 1965-04-14 | 1965-04-14 | Perfectionnements aux procédés pour l'obtention de perles en polystyrène expansé |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1629323A1 DE1629323A1 (de) | 1974-04-04 |
| DE1629323B2 true DE1629323B2 (de) | 1977-06-02 |
Family
ID=8576402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1966C0038708 Granted DE1629323B2 (de) | 1965-04-14 | 1966-04-05 | Verfahren zum herstellen geschaeumter polystyrolperlen |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US3631133A (forum.php) |
| AT (1) | AT288682B (forum.php) |
| BE (1) | BE679069A (forum.php) |
| CH (1) | CH448512A (forum.php) |
| DE (1) | DE1629323B2 (forum.php) |
| DK (1) | DK119963B (forum.php) |
| ES (1) | ES325537A1 (forum.php) |
| FI (1) | FI46130C (forum.php) |
| FR (1) | FR1440076A (forum.php) |
| GB (1) | GB1077595A (forum.php) |
| LU (1) | LU50888A1 (forum.php) |
| NL (1) | NL139346B (forum.php) |
| NO (2) | NO131920C (forum.php) |
| SE (1) | SE331563B (forum.php) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4360484A (en) * | 1981-04-03 | 1982-11-23 | The Dow Chemical Company | Pressurization and storage of thermoplastic resin foams prior to secondary expansion |
| JPS58101025A (ja) * | 1981-12-09 | 1983-06-16 | Japan Styrene Paper Co Ltd | ポリオレフイン系樹脂予備発泡粒子の加圧処理方法 |
| AT374206B (de) * | 1982-11-15 | 1984-03-26 | Hirsch Kurt | Verfahren und vorrichtung zum vorschaeumen von kunststoffen |
| US4485193A (en) * | 1983-05-10 | 1984-11-27 | The Dow Chemical Company | Expandable synthetic resinous thermoplastic particles, method for the preparation thereof and the application therefor |
| US4579701A (en) * | 1984-09-24 | 1986-04-01 | The Dow Chemical Company | Method for obtaining low densities with particulate expandable polystyrene |
| NO854387L (no) * | 1985-11-04 | 1987-05-05 | Nodest Vei As | Fremgangsmaate og anlegg for skumming av bitumen. |
| DE3827238A1 (de) * | 1988-08-11 | 1990-02-15 | Grimm Christian | Verfahren zur herstellung von formstuecken aus aufschaeumbarem polystyrol |
| US5240657A (en) * | 1990-11-26 | 1993-08-31 | Basf Corporation | Process for making expanded polymeric product with low level of emission of blowing agent |
| US5385698A (en) * | 1992-04-23 | 1995-01-31 | Saturn Corporation | Dimensionally accurate expanded foam casting pattern |
| GB2575234B (en) * | 2018-05-04 | 2023-01-18 | Bgrp Holdings Ltd | Method for producing expanded polystyrene beads and use thereof in soft furnishings |
-
0
- NO NO131920D patent/NO131920L/no unknown
-
1965
- 1965-04-14 FR FR13185A patent/FR1440076A/fr not_active Expired
- 1965-11-18 AT AT1038065A patent/AT288682B/de active
- 1965-12-04 NO NO160778A patent/NO131920C/no unknown
- 1965-12-28 FI FI653106A patent/FI46130C/fi active
-
1966
- 1966-01-21 SE SE00839/66A patent/SE331563B/xx unknown
- 1966-03-30 NL NL666604170A patent/NL139346B/xx not_active IP Right Cessation
- 1966-04-01 GB GB14560/66A patent/GB1077595A/en not_active Expired
- 1966-04-05 DE DE1966C0038708 patent/DE1629323B2/de active Granted
- 1966-04-05 BE BE679069D patent/BE679069A/xx unknown
- 1966-04-13 US US542236A patent/US3631133A/en not_active Expired - Lifetime
- 1966-04-13 LU LU50888A patent/LU50888A1/xx unknown
- 1966-04-13 DK DK190666AA patent/DK119963B/da unknown
- 1966-04-14 ES ES0325537A patent/ES325537A1/es not_active Expired
- 1966-04-14 CH CH536366A patent/CH448512A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO131920C (forum.php) | 1975-09-10 |
| NL6604170A (forum.php) | 1966-10-17 |
| GB1077595A (en) | 1967-08-02 |
| FI46130C (fi) | 1973-01-10 |
| FR1440076A (fr) | 1966-05-27 |
| ES325537A1 (es) | 1967-02-16 |
| BE679069A (forum.php) | 1966-10-05 |
| NL139346B (nl) | 1973-07-16 |
| DE1629323A1 (de) | 1974-04-04 |
| DK119963B (da) | 1971-03-15 |
| NO131920L (forum.php) | |
| CH448512A (fr) | 1967-12-15 |
| US3631133A (en) | 1971-12-28 |
| LU50888A1 (forum.php) | 1966-10-13 |
| AT288682B (de) | 1971-03-10 |
| FI46130B (forum.php) | 1972-10-02 |
| NO131920B (forum.php) | 1975-05-20 |
| SE331563B (forum.php) | 1971-01-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) |