GB1289281A - - Google Patents
Info
- Publication number
- GB1289281A GB1289281A GB1289281DA GB1289281A GB 1289281 A GB1289281 A GB 1289281A GB 1289281D A GB1289281D A GB 1289281DA GB 1289281 A GB1289281 A GB 1289281A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polystyrene
- expanded
- hot air
- feb
- steam
- 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
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
- B29C44/3461—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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
-
- 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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691908616 DE1908616C3 (de) | 1969-02-21 | 1969-02-21 | Verfahren zum Herstellen von Formkörpern aus Schaumpolystyrol unter Verwendung von vorgeschäumten Polystyrolteilchen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1289281A true GB1289281A (ja) | 1972-09-13 |
Family
ID=5725857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1289281D Expired GB1289281A (ja) | 1969-02-21 | 1970-02-20 |
Country Status (9)
Country | Link |
---|---|
AT (1) | AT296618B (ja) |
BE (1) | BE746391A (ja) |
CH (1) | CH529804A (ja) |
DE (1) | DE1908616C3 (ja) |
ES (1) | ES377067A1 (ja) |
FR (1) | FR2032932A5 (ja) |
GB (1) | GB1289281A (ja) |
NL (1) | NL7002507A (ja) |
SE (1) | SE350219B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0182130A2 (en) * | 1984-10-23 | 1986-05-28 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Method of recovering volatile foaming agent from prefoamed beads of polyolefin resins |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3963816A (en) * | 1971-09-02 | 1976-06-15 | Foster Grant Co., Inc. | Process for molding expandable thermoplastic material |
AT374206B (de) * | 1982-11-15 | 1984-03-26 | Hirsch Kurt | Verfahren und vorrichtung zum vorschaeumen von kunststoffen |
DE102010054216B4 (de) * | 2010-12-11 | 2012-11-29 | Lothar Hofbauer | Formstabilisierung von EPS Dämmplatten aus Blockformen |
-
1969
- 1969-02-21 DE DE19691908616 patent/DE1908616C3/de not_active Expired
-
1970
- 1970-02-18 SE SE207870A patent/SE350219B/xx unknown
- 1970-02-19 AT AT149970A patent/AT296618B/de not_active IP Right Cessation
- 1970-02-20 GB GB1289281D patent/GB1289281A/en not_active Expired
- 1970-02-20 CH CH250770A patent/CH529804A/de not_active IP Right Cessation
- 1970-02-20 FR FR7006189A patent/FR2032932A5/fr not_active Expired
- 1970-02-20 ES ES377067A patent/ES377067A1/es not_active Expired
- 1970-02-23 NL NL7002507A patent/NL7002507A/xx unknown
- 1970-02-23 BE BE746391D patent/BE746391A/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0182130A2 (en) * | 1984-10-23 | 1986-05-28 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Method of recovering volatile foaming agent from prefoamed beads of polyolefin resins |
EP0182130A3 (en) * | 1984-10-23 | 1987-09-02 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | Method of recovering volatile foaming agent from prefoamed beads of polyolefin resins |
Also Published As
Publication number | Publication date |
---|---|
ES377067A1 (es) | 1972-06-01 |
FR2032932A5 (ja) | 1970-11-27 |
DE1908616C3 (de) | 1978-04-20 |
SE350219B (ja) | 1972-10-23 |
DE1908616B2 (de) | 1974-01-17 |
CH529804A (de) | 1972-10-31 |
NL7002507A (ja) | 1970-08-25 |
DE1908616A1 (de) | 1970-09-17 |
BE746391A (fr) | 1970-07-31 |
AT296618B (de) | 1972-02-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PLNP | Patent lapsed through nonpayment of renewal fees |