FR2065631A1 - Preparation of laminates having layers of unexpandable - Google Patents

Preparation of laminates having layers of unexpandable

Info

Publication number
FR2065631A1
FR2065631A1 FR6902859A FR6902859A FR2065631A1 FR 2065631 A1 FR2065631 A1 FR 2065631A1 FR 6902859 A FR6902859 A FR 6902859A FR 6902859 A FR6902859 A FR 6902859A FR 2065631 A1 FR2065631 A1 FR 2065631A1
Authority
FR
France
Prior art keywords
layers
expandable
configuration
streams
unexpandable
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Withdrawn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
FR6902859A
Other languages
French (fr)
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Priority to FR6902859A priority Critical patent/FR2065631A1/en
Publication of FR2065631A1 publication Critical patent/FR2065631A1/en
Withdrawn legal-status Critical Current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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
    • B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
    • B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
    • B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Laminated Bodies (AREA)

Abstract

Composite structure consisting of a plurality of layers of foamed and unfoamed thermoplastic resinous material. It comprises extruding a no. of heat plastified streams of non-expandable resinous material (I) a no. of streams of an expandable material (II) in generally parallel alternating relationship within a configuration so as to form a main stream comprising a plurality of parallel layers of (I) and (II), expressing the composite stream from the configuration and expanding (II), which is preferably expandable polystyrene. The laminate provides rigidity due to foam and high impact strength because of layers of (I).
FR6902859A 1969-02-07 1969-02-07 Preparation of laminates having layers of unexpandable Withdrawn FR2065631A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR6902859A FR2065631A1 (en) 1969-02-07 1969-02-07 Preparation of laminates having layers of unexpandable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6902859A FR2065631A1 (en) 1969-02-07 1969-02-07 Preparation of laminates having layers of unexpandable

Publications (1)

Publication Number Publication Date
FR2065631A1 true FR2065631A1 (en) 1971-08-06

Family

ID=9028774

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6902859A Withdrawn FR2065631A1 (en) 1969-02-07 1969-02-07 Preparation of laminates having layers of unexpandable

Country Status (1)

Country Link
FR (1) FR2065631A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205157A2 (en) * 1985-06-10 1986-12-17 Idemitsu Petrochemical Co. Ltd. Method of manufacturing multi-layer resin material

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0205157A2 (en) * 1985-06-10 1986-12-17 Idemitsu Petrochemical Co. Ltd. Method of manufacturing multi-layer resin material
EP0205157A3 (en) * 1985-06-10 1988-07-27 Idemitsu Petrochemical Company Limited Method of manufacturing multi-layer resin material

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Legal Events

Date Code Title Description
ST Notification of lapse