FR2328562A1 - Procede pour preparer un article, en particulier une feuille, en polymere de styrene expanse - Google Patents

Procede pour preparer un article, en particulier une feuille, en polymere de styrene expanse

Info

Publication number
FR2328562A1
FR2328562A1 FR7631285A FR7631285A FR2328562A1 FR 2328562 A1 FR2328562 A1 FR 2328562A1 FR 7631285 A FR7631285 A FR 7631285A FR 7631285 A FR7631285 A FR 7631285A FR 2328562 A1 FR2328562 A1 FR 2328562A1
Authority
FR
France
Prior art keywords
article
preparing
sheet
styrene polymer
expanded styrene
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Withdrawn
Application number
FR7631285A
Other languages
English (en)
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.)
GCP Products UK Ltd
WR Grace and Co Conn
Original Assignee
WR Grace Ltd
WR Grace and Co Conn
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 WR Grace Ltd, WR Grace and Co Conn filed Critical WR Grace Ltd
Publication of FR2328562A1 publication Critical patent/FR2328562A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5618—Impregnating foam articles
    • 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
    • Y10S264/05—Use of one or more blowing agents together
    • 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
FR7631285A 1975-10-20 1976-10-18 Procede pour preparer un article, en particulier une feuille, en polymere de styrene expanse Withdrawn FR2328562A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/624,152 US4056587A (en) 1975-10-20 1975-10-20 Process for expanding

Publications (1)

Publication Number Publication Date
FR2328562A1 true FR2328562A1 (fr) 1977-05-20

Family

ID=24500855

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7631285A Withdrawn FR2328562A1 (fr) 1975-10-20 1976-10-18 Procede pour preparer un article, en particulier une feuille, en polymere de styrene expanse

Country Status (7)

Country Link
US (1) US4056587A (fr)
CA (1) CA1076746A (fr)
DE (1) DE2646055A1 (fr)
FR (1) FR2328562A1 (fr)
IT (1) IT1071475B (fr)
NL (1) NL7611413A (fr)
SE (1) SE7611489L (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4672042A (en) * 1981-12-21 1987-06-09 Orion Research Puerto Rico, Inc. Method of and apparatus for chromatographic analysis
US4419309A (en) * 1982-04-30 1983-12-06 Mobil Oil Corporation Polystyrene foam extrusion into a foam assisting atmosphere
US4485059A (en) * 1983-04-28 1984-11-27 Mobil Oil Corporation Polymer foam thermoformation process and apparatus therefor
US4935089A (en) * 1987-10-30 1990-06-19 W. R. Grace & Co.-Conn. Method of making a thermoformable barrier sheet
US4847148A (en) * 1987-10-30 1989-07-11 W. R. Grace & Co. Thermoformable barrier sheet
DE19747541A1 (de) * 1997-10-28 1999-04-29 Basf Ag Expandierbare Polystyrolpartikel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2857625A (en) * 1956-08-17 1958-10-28 Monsanto Chemicals Low density extruded styrene polymer foams
US3010157A (en) * 1958-10-07 1961-11-28 Monsanto Chemicals Method for preparing moldings of foamed thermoplastic resins
NL129996C (fr) * 1958-12-17
US3060513A (en) * 1959-12-21 1962-10-30 Dow Chemical Co Fabrication of cellular plastic bodies
US3082483A (en) * 1960-02-29 1963-03-26 Gilman Brothers Co Method for producing a flexible, resilient, low density web of cellular plastic
US3242238A (en) * 1961-04-12 1966-03-22 Edwin A Edberg Method for making foamed polymeric structural materials
US3119147A (en) * 1961-08-21 1964-01-28 Koppers Co Inc Apparatus for producing flexible styrene polymers
US3200437A (en) * 1962-02-16 1965-08-17 Swedish Crucible Steel Company Apparatus for rendering polystyrene sheet material flexible
US3262625A (en) * 1963-04-12 1966-07-26 Monsanto Co Insulating surfaces
US3335207A (en) * 1963-10-11 1967-08-08 Owens Illinois Inc Method and apparatus for forming foamed low density sheet plastic
US3334169A (en) * 1964-05-27 1967-08-01 Grace W R & Co Method of thermoforming foamed sheets
US3300551A (en) * 1964-10-28 1967-01-24 Monsanto Co Process for selectively foaming surface areas on a plastic article
US3364519A (en) * 1966-03-15 1968-01-23 American Excelsior Corp Apparatus for making expanded sheet material
US3823047A (en) * 1971-08-10 1974-07-09 Lavorazione Mat Plast Manufacturing laminates of expanded thermoplastic resins
US3853972A (en) * 1972-07-11 1974-12-10 E Berner Process for rapidly molding articles from foamable thermoplastic particles involving multiple foaming operations
US3848038A (en) * 1973-06-04 1974-11-12 Raytheon Co Drying expanded plastic with microwave energy

Also Published As

Publication number Publication date
NL7611413A (nl) 1977-04-22
US4056587A (en) 1977-11-01
CA1076746A (fr) 1980-04-29
DE2646055A1 (de) 1977-04-21
IT1071475B (it) 1985-04-10
SE7611489L (sv) 1977-04-21

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Legal Events

Date Code Title Description
ST Notification of lapse