BE822475A - Procede de fabrication de lamines de polymeres thermoplastiques de differentes densites par coextrusion - Google Patents

Procede de fabrication de lamines de polymeres thermoplastiques de differentes densites par coextrusion

Info

Publication number
BE822475A
BE822475A BE150749A BE150749A BE822475A BE 822475 A BE822475 A BE 822475A BE 150749 A BE150749 A BE 150749A BE 150749 A BE150749 A BE 150749A BE 822475 A BE822475 A BE 822475A
Authority
BE
Belgium
Prior art keywords
coextrusion
manufacturing
thermoplastic polymer
different densities
polymer laminates
Prior art date
Application number
BE150749A
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 BE822475A publication Critical patent/BE822475A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/02—Physical, chemical or physicochemical properties
    • 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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/22—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/32—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed at least two layers being foamed and next to each other
    • 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
    • C08J9/0004—Use of compounding ingredients, the chemical constitution of which is unknown, broadly defined, or irrelevant
    • 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
    • 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
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00—Containers; Receptacles
    • B32B2439/70—Food packaging

Landscapes

  • Chemical & Material Sciences (AREA)
  • General 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
BE150749A 1973-11-29 1974-11-21 Procede de fabrication de lamines de polymeres thermoplastiques de differentes densites par coextrusion BE822475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US42002573A 1973-11-29 1973-11-29

Publications (1)

Publication Number Publication Date
BE822475A true BE822475A (fr) 1975-05-21

Family

ID=23664760

Family Applications (1)

Application Number Title Priority Date Filing Date
BE150749A BE822475A (fr) 1973-11-29 1974-11-21 Procede de fabrication de lamines de polymeres thermoplastiques de differentes densites par coextrusion

Country Status (9)

Country Link
JP (1) JPS5746418B2 (fr)
BE (1) BE822475A (fr)
CA (1) CA1049729A (fr)
DE (1) DE2456337A1 (fr)
ES (1) ES432015A1 (fr)
FR (1) FR2252915B1 (fr)
GB (1) GB1439438A (fr)
IT (1) IT1026617B (fr)
NL (1) NL7415497A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518557A (en) * 1981-05-18 1985-05-21 James River-Norwalk, Inc. Process for skin foam
DE3722539A1 (de) * 1987-07-08 1989-01-19 Reichenecker Hans Storopack Geschaeumter formkoerper
US5215691A (en) * 1990-09-05 1993-06-01 The Dow Chemical Company Method of forming a coextruded foam composite
US5358675A (en) * 1992-05-13 1994-10-25 Mobil Oil Corporation Controlling heterogeneous nucleation and growth of foams
US7655296B2 (en) 2003-04-10 2010-02-02 3M Innovative Properties Company Ink-receptive foam article
US7820282B2 (en) 2003-04-10 2010-10-26 3M Innovative Properties Company Foam security substrate
GB2474431B (en) 2009-10-13 2012-10-31 Gurit Uk Ltd Production of extruded foam
EP3424667A1 (fr) * 2012-03-02 2019-01-09 Orac Holding NV Procédé de fabrication d'un profilé composite en plastique

Also Published As

Publication number Publication date
IT1026617B (it) 1978-10-20
JPS5086559A (fr) 1975-07-11
NL7415497A (nl) 1975-06-02
FR2252915B1 (fr) 1978-11-24
ES432015A1 (es) 1976-10-16
DE2456337A1 (de) 1975-06-05
GB1439438A (en) 1976-06-16
FR2252915A1 (fr) 1975-06-27
JPS5746418B2 (fr) 1982-10-02
CA1049729A (fr) 1979-03-06

Similar Documents

Publication Publication Date Title
BE819379A (fr) Procede de fabrication de polymeres homogenes
BE779788R (fr) Procede de fabrication de pates de
BE811380A (fr) Procede de fabrication de structures en relief
NL167356C (nl) Werkwijze ter vervaardiging van thermoplastische voor- werpen door blaasvormen.
BE816359A (fr) Procede de fabrication de structures reticulees
BE815392R (fr) Procede de fabrication de structures en relief
BE812137A (fr) Procede de fabrication de pneumatiques
BE804561A (fr) Procede de fabrication de bande de roulement.
BE814432A (fr) Procede de fabrication de methylmercaptan
BE815803A (fr) Procede de fabrication de 2.6-dimethyl-naphtalenes
BE814911A (fr) Procede de fabrication d'enduits mats
BE822475A (fr) Procede de fabrication de lamines de polymeres thermoplastiques de differentes densites par coextrusion
BE818839A (fr) Procede de fabrication de composes carbonyles insatures
BE811644A (fr) Procede de production de polyolefines
FR2320825A1 (fr) Procede de production d'elements stratifies
BE823242A (fr) Feuille multicouche et son procede de fabrication
BE815459A (fr) Procede de fabrication de stratifies
BE822076A (fr) Procede de production de matieres magnetiques semi-dures.
CA1031919A (fr) Procede a moules multiples pour l'obtention de pellicules non uniformes
BE813390A (fr) Procede de fabrication de nitro-2-halogenophenols
BE821144A (fr) Procede de fabrication d'un succedane d'amuse-gueule
BE821552A (fr) Procede de preparation de feuilles polymeres biaxialement orientees
BE822435A (fr) Procede de fabrication continue de bandes stratifiees
BE815170A (fr) Procede de production de cetazines
BE820290A (fr) Procede de fabrication de pneumatiques