BE1011412A4 - Materiau polymere pour l'absorption d'ondes electromagnetiques. - Google Patents

Materiau polymere pour l'absorption d'ondes electromagnetiques. Download PDF

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Publication number
BE1011412A4
BE1011412A4 BE8901210A BE8901210A BE1011412A4 BE 1011412 A4 BE1011412 A4 BE 1011412A4 BE 8901210 A BE8901210 A BE 8901210A BE 8901210 A BE8901210 A BE 8901210A BE 1011412 A4 BE1011412 A4 BE 1011412A4
Authority
BE
Belgium
Prior art keywords
electromagnetic waves
polymer material
absorption
material according
polyethylene
Prior art date
Application number
BE8901210A
Other languages
English (en)
French (fr)
Inventor
Mehaute Alain Le
Denis Cottevielle
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
Application granted granted Critical
Publication of BE1011412A4 publication Critical patent/BE1011412A4/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
    • 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)
BE8901210A 1988-11-17 1989-11-16 Materiau polymere pour l'absorption d'ondes electromagnetiques. BE1011412A4 (fr)

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 (1)

Publication Number Publication Date
BE1011412A4 true BE1011412A4 (fr) 1999-09-07

Family

ID=9371930

Family Applications (1)

Application Number Title Priority Date Filing Date
BE8901210A BE1011412A4 (fr) 1988-11-17 1989-11-16 Materiau polymere pour l'absorption d'ondes electromagnetiques.

Country Status (8)

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Family Cites Families (1)

* 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 7950, Derwent World Patents Index; AN 79-90035b *
DATABASE WPI Week 8342, Derwent World Patents Index; AN 83-790926 *
DATABASE WPI Week 8533, Derwent World Patents Index; AN 85-200900 *
PATENT ABSTRACTS OF JAPAN vol. 003, no. 145 (E - 155) 30 November 1979 (1979-11-30) *
PATENT ABSTRACTS OF JAPAN vol. 007, no. 181 (C - 180) 10 August 1983 (1983-08-10) *
PATENT ABSTRACTS OF JAPAN vol. 009, no. 283 (C - 313) 9 November 1985 (1985-11-09) *

Also Published As

Publication number Publication date
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
NO894439L (no) 1996-08-13
DE3936196C2 (de) 2000-02-03
GB2307106B (en) 1998-01-07

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: COMPAGNIE GENERALE D ELECTRICITE

Effective date: 20011130