FR2649356A1 - Cellular composite material having a high acoustic insulation capacity and method for obtaining it - Google Patents

Cellular composite material having a high acoustic insulation capacity and method for obtaining it Download PDF

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Publication number
FR2649356A1
FR2649356A1 FR8908982A FR8908982A FR2649356A1 FR 2649356 A1 FR2649356 A1 FR 2649356A1 FR 8908982 A FR8908982 A FR 8908982A FR 8908982 A FR8908982 A FR 8908982A FR 2649356 A1 FR2649356 A1 FR 2649356A1
Authority
FR
France
Prior art keywords
microspheres
binder
composite material
material according
interstices
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.)
Granted
Application number
FR8908982A
Other languages
English (en)
French (fr)
Other versions
FR2649356B1 (enExample
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.)
Office National d'Études et de Recherches Aérospatiales
Original Assignee
Office National d'Études et de Recherches Aérospatiales
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 Office National d'Études et de Recherches Aérospatiales filed Critical Office National d'Études et de Recherches Aérospatiales
Priority to FR8908982A priority Critical patent/FR2649356A1/fr
Publication of FR2649356A1 publication Critical patent/FR2649356A1/fr
Application granted granted Critical
Publication of FR2649356B1 publication Critical patent/FR2649356B1/fr
Granted legal-status Critical Current

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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
    • C08J9/32—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof from compositions containing microballoons, e.g. syntactic foams
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
    • B29C70/66—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres the filler comprising hollow constituents, e.g. syntactic foam
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B29K2105/165—Hollow fillers, e.g. microballoons or expanded particles

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)
  • Composite Materials (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Laminated Bodies (AREA)
  • Porous Artificial Stone Or Porous Ceramic Products (AREA)
FR8908982A 1989-07-04 1989-07-04 Cellular composite material having a high acoustic insulation capacity and method for obtaining it Granted FR2649356A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8908982A FR2649356A1 (en) 1989-07-04 1989-07-04 Cellular composite material having a high acoustic insulation capacity and method for obtaining it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8908982A FR2649356A1 (en) 1989-07-04 1989-07-04 Cellular composite material having a high acoustic insulation capacity and method for obtaining it

Publications (2)

Publication Number Publication Date
FR2649356A1 true FR2649356A1 (en) 1991-01-11
FR2649356B1 FR2649356B1 (enExample) 1991-10-04

Family

ID=9383458

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8908982A Granted FR2649356A1 (en) 1989-07-04 1989-07-04 Cellular composite material having a high acoustic insulation capacity and method for obtaining it

Country Status (1)

Country Link
FR (1) FR2649356A1 (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658656A (en) * 1992-01-10 1997-08-19 Minnesota Mining And Manufacturing Company Use of materials comprising microbubbles as acoustical barriers
US5813180A (en) * 1996-03-28 1998-09-29 Minnesota Mining And Manufacturing Company Privacy enclosure
FR2775216A1 (fr) * 1998-02-26 1999-08-27 Snecma Panneau insonorisant et procede de realisation
WO2002032763A1 (fr) * 2000-10-20 2002-04-25 Eurocopter Panneau insonorisant, en particulier panneau structural ou d"habillage d"un aeronef a voilure tournante

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1070874A (en) * 1963-09-14 1967-06-07 Hamburger Flugzeugbau Gmbh Lightweight constructional elements
EP0151461A2 (de) * 1984-02-08 1985-08-14 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Leichtwerkstoffes
EP0226067A2 (en) * 1985-12-13 1987-06-24 Texaco Development Corporation An improved syntactic foam composition and method for making same
WO1988009416A1 (fr) * 1987-05-26 1988-12-01 Universite Paul Sabatier Toulouse Iii Produit modulaire intermediaire pour la fabrication d'un materiau alveolaire, procede et dispositif de fabrication dudit produit, application a l'obtention d'un materiau alveolaire

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1070874A (en) * 1963-09-14 1967-06-07 Hamburger Flugzeugbau Gmbh Lightweight constructional elements
EP0151461A2 (de) * 1984-02-08 1985-08-14 Siemens Aktiengesellschaft Verfahren zur Herstellung eines Leichtwerkstoffes
EP0226067A2 (en) * 1985-12-13 1987-06-24 Texaco Development Corporation An improved syntactic foam composition and method for making same
WO1988009416A1 (fr) * 1987-05-26 1988-12-01 Universite Paul Sabatier Toulouse Iii Produit modulaire intermediaire pour la fabrication d'un materiau alveolaire, procede et dispositif de fabrication dudit produit, application a l'obtention d'un materiau alveolaire

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658656A (en) * 1992-01-10 1997-08-19 Minnesota Mining And Manufacturing Company Use of materials comprising microbubbles as acoustical barriers
US5813180A (en) * 1996-03-28 1998-09-29 Minnesota Mining And Manufacturing Company Privacy enclosure
US5974757A (en) * 1996-03-28 1999-11-02 3M Innovative Properties Company Privacy enclosure
FR2775216A1 (fr) * 1998-02-26 1999-08-27 Snecma Panneau insonorisant et procede de realisation
EP0940248A1 (fr) * 1998-02-26 1999-09-08 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Panneau insonorisant et procédé de réalisation
US6085865A (en) * 1998-02-26 2000-07-11 Societe Nationale D'etude Et De Construction De Moteurs D'aviation "Snecma" Soundproofing panel and method of producing said panel
WO2002032763A1 (fr) * 2000-10-20 2002-04-25 Eurocopter Panneau insonorisant, en particulier panneau structural ou d"habillage d"un aeronef a voilure tournante
FR2815603A1 (fr) * 2000-10-20 2002-04-26 Eurocopter France Panneau insonorisant, en particulier panneau structural ou d'habillage d'un aeronef a voilure tournante
US6851515B2 (en) 2000-10-20 2005-02-08 Eurocopter Soundproofing panel, in particular structural or lining panel for a rotorcraft

Also Published As

Publication number Publication date
FR2649356B1 (enExample) 1991-10-04

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Legal Events

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CL Concession to grant licences
ER Errata listed in the french official journal (bopi)

Free format text: 02/91

ST Notification of lapse