NO894439L - Polymermaterial for absorbsjon av elektromagnetiske bölger - Google Patents

Polymermaterial for absorbsjon av elektromagnetiske bölger

Info

Publication number
NO894439L
NO894439L NO894439A NO894439A NO894439L NO 894439 L NO894439 L NO 894439L NO 894439 A NO894439 A NO 894439A NO 894439 A NO894439 A NO 894439A NO 894439 L NO894439 L NO 894439L
Authority
NO
Norway
Prior art keywords
absorption
polymeric material
electromagnetic waves
waves
electromagnetic
Prior art date
Application number
NO894439A
Other languages
English (en)
Other versions
NO306888B1 (no
Inventor
Alain Le Mehaute
Denis Cottevieille
Jean-Jacques Bonte
Jean-Paul Parneix
Frederic Heliodore
Original Assignee
Comp Generale Electricite
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 Comp Generale Electricite filed Critical Comp Generale Electricite
Publication of NO894439L publication Critical patent/NO894439L/no
Publication of NO306888B1 publication Critical patent/NO306888B1/no

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)
  • Soft Magnetic Materials (AREA)
  • Hard Magnetic Materials (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
NO894439A 1988-11-17 1989-11-08 Polymermaterial for absorpsjon av elektromagnetiske bölger NO306888B1 (no)

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
NO894439L true NO894439L (no) 1996-08-13
NO306888B1 NO306888B1 (no) 2000-01-03

Family

ID=9371930

Family Applications (1)

Application Number Title Priority Date Filing Date
NO894439A NO306888B1 (no) 1988-11-17 1989-11-08 Polymermaterial for absorpsjon av elektromagnetiske bölger

Country Status (8)

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

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
BE1011412A4 (fr) 1999-09-07
IT8967956A1 (it) 1991-05-07
FR2736647A1 (fr) 1997-01-17
GB8924800D0 (en) 1996-12-18
FR2736647B1 (fr) 1998-05-15
CA2003073C (fr) 2000-01-18
CA2003073A1 (fr) 1996-10-11
NL8902826A (nl) 1997-08-01
NO306888B1 (no) 2000-01-03
GB2307106A (en) 1997-05-14
IT8967956A0 (it) 1989-11-07
DE3936196A1 (de) 1997-02-20
IT1267134B1 (it) 1997-01-24
DE3936196C2 (de) 2000-02-03
GB2307106B (en) 1998-01-07

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Legal Events

Date Code Title Description
MM1K Lapsed by not paying the annual fees

Free format text: LAPSED IN MAY 2002