FR2736647B1 - Materiau polymere pour l'absorption d'ondes electromagnetiques - Google Patents

Materiau polymere pour l'absorption d'ondes electromagnetiques

Info

Publication number
FR2736647B1
FR2736647B1 FR8814939A FR8814939A FR2736647B1 FR 2736647 B1 FR2736647 B1 FR 2736647B1 FR 8814939 A FR8814939 A FR 8814939A FR 8814939 A FR8814939 A FR 8814939A FR 2736647 B1 FR2736647 B1 FR 2736647B1
Authority
FR
France
Prior art keywords
absorption
polymeric material
electromagnetic waves
waves
electromagnetic
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.)
Expired - Fee Related
Application number
FR8814939A
Other languages
English (en)
Other versions
FR2736647A1 (fr
Inventor
Mehaute Alain Le
Denis Cottevieille
Jean Jacques Bonte
Jean Paul Parneix
Frederic Heliodore
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel Alsthom Compagnie Generale dElectricite
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 Alcatel Alsthom Compagnie Generale dElectricite filed Critical Alcatel Alsthom Compagnie Generale dElectricite
Priority to FR8814939A priority Critical patent/FR2736647B1/fr
Priority to DE3936196A priority patent/DE3936196C2/de
Priority to GB8924800A priority patent/GB2307106B/en
Priority to IT06795689A priority patent/IT1267134B1/it
Priority to NO894439A priority patent/NO306888B1/no
Priority to NL8902826A priority patent/NL8902826A/nl
Priority to BE8901210A priority patent/BE1011412A4/fr
Priority to CA002003073A priority patent/CA2003073C/fr
Publication of FR2736647A1 publication Critical patent/FR2736647A1/fr
Application granted granted Critical
Publication of FR2736647B1 publication Critical patent/FR2736647B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H01Q17/004—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems using non-directional dissipative particles, e.g. ferrite powders
    • 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
    • B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
    • B32B2307/212—Electromagnetic interference shielding
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • 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
    • B32B2323/00—Polyalkenes
    • B32B2323/16—EPDM, i.e. ethylene propylene diene monomer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Aerials With Secondary Devices (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
FR8814939A 1988-11-17 1988-11-17 Materiau polymere pour l'absorption d'ondes electromagnetiques Expired - Fee Related FR2736647B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR8814939A FR2736647B1 (fr) 1988-11-17 1988-11-17 Materiau polymere pour l'absorption d'ondes electromagnetiques
DE3936196A DE3936196C2 (de) 1988-11-17 1989-10-31 Polymermaterial und Struktur zur Absorption elektromagnetischer Wellen
GB8924800A GB2307106B (en) 1988-11-17 1989-11-03 Polymer material for absorbing electromagnetic waves
IT06795689A IT1267134B1 (it) 1988-11-17 1989-11-07 Materiale polimero e struttura per l'assorbimento di onde elettromagnetiche
NO894439A NO306888B1 (no) 1988-11-17 1989-11-08 Polymermaterial for absorpsjon av elektromagnetiske bölger
NL8902826A NL8902826A (nl) 1988-11-17 1989-11-15 Polymeermateriaal voor de absorptie van elektromagnetische golven.
BE8901210A BE1011412A4 (fr) 1988-11-17 1989-11-16 Materiau polymere pour l'absorption d'ondes electromagnetiques.
CA002003073A CA2003073C (fr) 1988-11-17 1989-11-16 Materiau polymere pour l'absorption d'ondes electromagnetiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8814939A FR2736647B1 (fr) 1988-11-17 1988-11-17 Materiau polymere pour l'absorption d'ondes electromagnetiques

Publications (2)

Publication Number Publication Date
FR2736647A1 FR2736647A1 (fr) 1997-01-17
FR2736647B1 true FR2736647B1 (fr) 1998-05-15

Family

ID=9371930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8814939A Expired - Fee Related FR2736647B1 (fr) 1988-11-17 1988-11-17 Materiau polymere pour l'absorption d'ondes electromagnetiques

Country Status (8)

Country Link
BE (1) BE1011412A4 (fr)
CA (1) CA2003073C (fr)
DE (1) DE3936196C2 (fr)
FR (1) FR2736647B1 (fr)
GB (1) GB2307106B (fr)
IT (1) IT1267134B1 (fr)
NL (1) NL8902826A (fr)
NO (1) NO306888B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2996710A (en) * 1945-09-20 1961-08-15 Du Pont Electromagnetic radiation absorptive article
JPS54124298A (en) * 1978-03-20 1979-09-27 Tdk Corp Material for radio wave absorber
JPS5887142A (ja) * 1981-11-20 1983-05-24 Showa Denko Kk ポリオレフイン組成物
JPS60127366A (ja) * 1983-12-15 1985-07-08 Tounen Sekiyu Kagaku Kk 熱可塑性樹脂組成物

Also Published As

Publication number Publication date
DE3936196C2 (de) 2000-02-03
GB2307106B (en) 1998-01-07
CA2003073A1 (fr) 1996-10-11
NO306888B1 (no) 2000-01-03
NO894439L (no) 1996-08-13
NL8902826A (nl) 1997-08-01
DE3936196A1 (de) 1997-02-20
BE1011412A4 (fr) 1999-09-07
IT1267134B1 (it) 1997-01-24
CA2003073C (fr) 2000-01-18
GB2307106A (en) 1997-05-14
FR2736647A1 (fr) 1997-01-17
GB8924800D0 (en) 1996-12-18
IT8967956A1 (it) 1991-05-07
IT8967956A0 (it) 1989-11-07

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse