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
Application number
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1289281A publication Critical patent/GB1289281A/en
Expired legal-status Critical Current

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)
GB1289281D 1969-02-21 1970-02-20 Expired GB1289281A (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow) 1972-09-13

Family

ID=5725857

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289281D Expired GB1289281A (enrdf_load_stackoverflow) 1969-02-21 1970-02-20

Country Status (9)

Country Link
AT (1) AT296618B (enrdf_load_stackoverflow)
BE (1) BE746391A (enrdf_load_stackoverflow)
CH (1) CH529804A (enrdf_load_stackoverflow)
DE (1) DE1908616C3 (enrdf_load_stackoverflow)
ES (1) ES377067A1 (enrdf_load_stackoverflow)
FR (1) FR2032932A5 (enrdf_load_stackoverflow)
GB (1) GB1289281A (enrdf_load_stackoverflow)
NL (1) NL7002507A (enrdf_load_stackoverflow)
SE (1) SE350219B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
AT296618B (de) 1972-02-25
CH529804A (de) 1972-10-31
NL7002507A (enrdf_load_stackoverflow) 1970-08-25
BE746391A (fr) 1970-07-31
DE1908616C3 (de) 1978-04-20
DE1908616B2 (de) 1974-01-17
ES377067A1 (es) 1972-06-01
DE1908616A1 (de) 1970-09-17
FR2032932A5 (enrdf_load_stackoverflow) 1970-11-27
SE350219B (enrdf_load_stackoverflow) 1972-10-23

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees