DE1929331A1 - Verfahren zur Herstellung von oberflaechengehaerteten Gegenstaenden aus Styrolzellkunststoff - Google Patents

Verfahren zur Herstellung von oberflaechengehaerteten Gegenstaenden aus Styrolzellkunststoff

Info

Publication number
DE1929331A1
DE1929331A1 DE19691929331 DE1929331A DE1929331A1 DE 1929331 A1 DE1929331 A1 DE 1929331A1 DE 19691929331 DE19691929331 DE 19691929331 DE 1929331 A DE1929331 A DE 1929331A DE 1929331 A1 DE1929331 A1 DE 1929331A1
Authority
DE
Germany
Prior art keywords
sulfur
polystyrene
mixture
substance
oil
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.)
Pending
Application number
DE19691929331
Other languages
German (de)
English (en)
Inventor
Rosencrantz Fredrik H Ulfsfand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Overman AB
Original Assignee
Overman AB
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 by Overman AB filed Critical Overman AB
Publication of DE1929331A1 publication Critical patent/DE1929331A1/de
Pending 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
    • C08J9/34—Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core
    • 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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • 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
    • 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
    • B29K2105/043—Skinned foam
    • 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)
  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Rehabilitation Tools (AREA)
DE19691929331 1968-07-08 1969-06-10 Verfahren zur Herstellung von oberflaechengehaerteten Gegenstaenden aus Styrolzellkunststoff Pending DE1929331A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9373/68A SE333236B (sv) 1968-07-08 1968-07-08 Saett att framstaella ythaerdade artiklar av styrencellplast

Publications (1)

Publication Number Publication Date
DE1929331A1 true DE1929331A1 (de) 1970-01-15

Family

ID=20276517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19691929331 Pending DE1929331A1 (de) 1968-07-08 1969-06-10 Verfahren zur Herstellung von oberflaechengehaerteten Gegenstaenden aus Styrolzellkunststoff

Country Status (7)

Country Link
DE (1) DE1929331A1 (fi)
DK (1) DK121975B (fi)
FI (1) FI48357C (fi)
FR (1) FR2012504A1 (fi)
GB (1) GB1239099A (fi)
NO (1) NO130758C (fi)
SE (1) SE333236B (fi)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003132A1 (en) * 1982-03-05 1983-09-15 Jansson, Bertel Method of insulating pipe details
EP0091970A2 (de) * 1982-03-20 1983-10-26 Flewu AG Vorrichtung zur gleichzeitigen Herstellung insbesondere unterschiedlicher Formlinge aus gesintertem Polystyrolschaumstoff mit austauschbaren Formwerkzeugen

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260569A (en) * 1978-09-01 1981-04-07 Hurst Aubrey J Method of making a foamed polystyrene building panel
GB9305053D0 (en) * 1993-03-12 1993-04-28 Gaskill David Foam structures,methods and apparatus for manufacturer using foams and articles made thereby
DE10033877A1 (de) * 2000-07-12 2002-03-14 Fraunhofer Ges Forschung Verfahren zur Herstellung von Formteilen aus Partikelschaum mit einer Deckschicht

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983003132A1 (en) * 1982-03-05 1983-09-15 Jansson, Bertel Method of insulating pipe details
EP0091970A2 (de) * 1982-03-20 1983-10-26 Flewu AG Vorrichtung zur gleichzeitigen Herstellung insbesondere unterschiedlicher Formlinge aus gesintertem Polystyrolschaumstoff mit austauschbaren Formwerkzeugen
EP0091970A3 (de) * 1982-03-20 1984-09-05 Flewu AG Vorrichtung zur gleichzeitigen Herstellung insbesondere unterschiedlicher Formlinge aus gesintertem Polystyrolschaumstoff mit austauschbaren Formwerkzeugen

Also Published As

Publication number Publication date
FI48357C (fi) 1974-09-10
NO130758C (fi) 1975-02-05
FI48357B (fi) 1974-05-31
NO130758B (fi) 1974-10-28
GB1239099A (fi) 1971-07-14
SE333236B (sv) 1971-03-08
DK121975B (da) 1971-12-27
FR2012504A1 (fi) 1970-03-20

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