ATE127621T1 - Radarabsorbierendes material. - Google Patents

Radarabsorbierendes material.

Info

Publication number
ATE127621T1
ATE127621T1 AT90850137T AT90850137T ATE127621T1 AT E127621 T1 ATE127621 T1 AT E127621T1 AT 90850137 T AT90850137 T AT 90850137T AT 90850137 T AT90850137 T AT 90850137T AT E127621 T1 ATE127621 T1 AT E127621T1
Authority
AT
Austria
Prior art keywords
fibres
absorbing material
cellular plastic
radar absorbing
plastic
Prior art date
Application number
AT90850137T
Other languages
English (en)
Inventor
Per-Ake Loefgren
Original Assignee
Divinycell International Ab
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 Divinycell International Ab filed Critical Divinycell International Ab
Application granted granted Critical
Publication of ATE127621T1 publication Critical patent/ATE127621T1/de

Links

Classifications

    • 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
    • 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
    • C08J9/0085—Use of fibrous compounding ingredients
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements
    • 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
    • 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
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Reinforced Plastic Materials (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Road Signs Or Road Markings (AREA)
  • Artificial Fish Reefs (AREA)
  • Building Environments (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Aerials With Secondary Devices (AREA)
AT90850137T 1989-04-19 1990-04-10 Radarabsorbierendes material. ATE127621T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8901418A SE463769B (sv) 1989-04-19 1989-04-19 Kamouflagematerial av pvc-cellplast med slutna celler

Publications (1)

Publication Number Publication Date
ATE127621T1 true ATE127621T1 (de) 1995-09-15

Family

ID=20375726

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90850137T ATE127621T1 (de) 1989-04-19 1990-04-10 Radarabsorbierendes material.

Country Status (11)

Country Link
EP (1) EP0394207B1 (de)
JP (1) JPH04505771A (de)
KR (1) KR920700485A (de)
AT (1) ATE127621T1 (de)
AU (1) AU639454B2 (de)
CA (1) CA2031187A1 (de)
DE (1) DE69022097D1 (de)
FI (1) FI906138A7 (de)
PT (1) PT93815A (de)
SE (1) SE463769B (de)
WO (1) WO1990013155A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0596378A1 (de) * 1992-10-31 1994-05-11 Hoechst Aktiengesellschaft Kunststoff-Formmasse zur Herstellung von Formteilen mit farblich abstimmbarem Dekoreffekt
JP2956875B2 (ja) * 1994-05-19 1999-10-04 矢崎総業株式会社 電磁遮蔽用成形材料
DE19707585A1 (de) * 1997-02-26 1998-09-03 Bosch Gmbh Robert Gehäuse mit radarabsorbierenden Eigenschaften
WO1999005752A2 (en) * 1997-07-23 1999-02-04 Cuming Microwave Corporation Radar absorber and method of manufacture
DE60143128D1 (de) 2000-12-08 2010-11-04 Scott Allan Kuehl Verfahren zur Minimalisierung oder Änderung von Objektwahrnehmung
US20030087081A1 (en) * 2001-11-02 2003-05-08 Seiling Kevin A. Composition for making extruded shapes and a method for making such composition
JP3922039B2 (ja) * 2002-02-15 2007-05-30 株式会社日立製作所 電磁波吸収材料及びそれを用いた各種製品
DE102004057983A1 (de) * 2004-12-01 2006-06-08 Hermann Kiefner Verfahren zur Mikrowellen-Ablenkung mit Miniatur-Dipolen
KR102269755B1 (ko) * 2020-01-28 2021-06-28 삼양화학공업주식회사 기동장비용 광대역 위장 구조체

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1916326A1 (de) * 1968-04-01 1969-10-30 Barracudaverken Ab Tarnungsmittel zum Verhindern oder Hemmen der Entdeckung durch Radarerkundung
FR2469203A1 (fr) * 1979-11-09 1981-05-22 Thomson Csf Procede de fabrication de matiere absorbante pour les ondes hyperfrequences, dispositif de mise en oeuvre du procede et matiere absorbante ainsi constituee
JPS60163940A (ja) * 1984-02-06 1985-08-26 Toyo Soda Mfg Co Ltd 塩化ビニル系樹脂発泡体の製造方法
US4579872A (en) * 1985-05-06 1986-04-01 The Dow Chemical Company Uniform minimization of plastic foam cell size
CA1290095C (en) * 1986-08-06 1991-10-01 Hisao Shimazu Foamed article of chlorinated vinyl chloride resin containing inorganic material and process for preparing thereof

Also Published As

Publication number Publication date
EP0394207A1 (de) 1990-10-24
DE69022097D1 (de) 1995-10-12
AU639454B2 (en) 1993-07-29
CA2031187A1 (en) 1990-10-20
WO1990013155A1 (en) 1990-11-01
JPH04505771A (ja) 1992-10-08
SE463769B (sv) 1991-01-21
FI906138A0 (fi) 1990-12-13
SE8901418D0 (sv) 1989-04-19
AU5533690A (en) 1990-11-16
FI906138A7 (fi) 1990-12-13
KR920700485A (ko) 1992-02-19
PT93815A (pt) 1990-11-20
EP0394207B1 (de) 1995-09-06

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties