BE859776A - COMPOSITIONS WITH A POSITIVE TEMPERATURE COEFFICIENT AND DEVICES INCLUDING - Google Patents

COMPOSITIONS WITH A POSITIVE TEMPERATURE COEFFICIENT AND DEVICES INCLUDING

Info

Publication number
BE859776A
BE859776A BE181789A BE181789A BE859776A BE 859776 A BE859776 A BE 859776A BE 181789 A BE181789 A BE 181789A BE 181789 A BE181789 A BE 181789A BE 859776 A BE859776 A BE 859776A
Authority
BE
Belgium
Prior art keywords
compositions
temperature coefficient
devices including
positive temperature
positive
Prior art date
Application number
BE181789A
Other languages
French (fr)
Original Assignee
Raychem Corp
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 Raychem Corp filed Critical Raychem Corp
Publication of BE859776A publication Critical patent/BE859776A/en

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • 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
    • C08K3/04—Carbon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
    • H01B1/20—Conductive material dispersed in non-conductive organic material
    • H01B1/24—Conductive material dispersed in non-conductive organic material the conductive material comprising carbon-silicon compounds, carbon or silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/027—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/10—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor
    • H05B3/12—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material
    • H05B3/14—Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
    • H05B3/146—Conductive polymers, e.g. polyethylene, thermoplastics
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/54—Heating elements having the shape of rods or tubes flexible
    • H05B3/56—Heating cables
    • H05B3/565—Heating cables flat cables

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Thermistors And Varistors (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Resistance Heating (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Conductive Materials (AREA)
BE181789A 1976-10-15 1977-10-14 COMPOSITIONS WITH A POSITIVE TEMPERATURE COEFFICIENT AND DEVICES INCLUDING BE859776A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US73279276A 1976-10-15 1976-10-15

Publications (1)

Publication Number Publication Date
BE859776A true BE859776A (en) 1978-04-14

Family

ID=24944976

Family Applications (1)

Application Number Title Priority Date Filing Date
BE181789A BE859776A (en) 1976-10-15 1977-10-14 COMPOSITIONS WITH A POSITIVE TEMPERATURE COEFFICIENT AND DEVICES INCLUDING

Country Status (5)

Country Link
JP (1) JPS5386496A (en)
BE (1) BE859776A (en)
DE (1) DE2746602A1 (en)
FR (1) FR2368127A1 (en)
GB (1) GB1595198A (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1604735A (en) * 1978-04-14 1981-12-16 Raychem Corp Ptc compositions and devices comprising them
GB1604904A (en) * 1977-05-18 1981-12-16 Raychem Corp Electrical devices and heating method
US4200973A (en) * 1978-08-10 1980-05-06 Samuel Moore And Company Method of making self-temperature regulating electrical heating cable
FR2443125A1 (en) * 1978-12-01 1980-06-27 Raychem Corp PTC DEVICES INCLUDING BARRIERS AGAINST OXYGEN
US4237441A (en) * 1978-12-01 1980-12-02 Raychem Corporation Low resistivity PTC compositions
US4255698A (en) * 1979-01-26 1981-03-10 Raychem Corporation Protection of batteries
US4277673A (en) * 1979-03-26 1981-07-07 E-B Industries, Inc. Electrically conductive self-regulating article
JPS5716424A (en) * 1980-07-02 1982-01-27 Seiko Epson Corp Electrochromic display body
US4845838A (en) * 1981-04-02 1989-07-11 Raychem Corporation Method of making a PTC conductive polymer electrical device
US4951382A (en) * 1981-04-02 1990-08-28 Raychem Corporation Method of making a PTC conductive polymer electrical device
US4955267A (en) * 1981-04-02 1990-09-11 Raychem Corporation Method of making a PTC conductive polymer electrical device
US5227946A (en) * 1981-04-02 1993-07-13 Raychem Corporation Electrical device comprising a PTC conductive polymer
US5140297A (en) * 1981-04-02 1992-08-18 Raychem Corporation PTC conductive polymer compositions
US5195013A (en) * 1981-04-02 1993-03-16 Raychem Corporation PTC conductive polymer compositions
US4426633A (en) 1981-04-15 1984-01-17 Raychem Corporation Devices containing PTC conductive polymer compositions
GB2096393B (en) * 1981-04-02 1986-01-02 Raychem Corp Radiation cross-linking of ptc conductive polymers
US4951384A (en) * 1981-04-02 1990-08-28 Raychem Corporation Method of making a PTC conductive polymer electrical device
JPS5912935A (en) * 1982-07-13 1984-01-23 Sumitomo Electric Ind Ltd Crosslinked polyamide resin formed product
JPS5912936A (en) * 1982-07-13 1984-01-23 Sumitomo Electric Ind Ltd Crosslinked polyamide resin composition
JPS5968334A (en) * 1982-10-12 1984-04-18 Sumitomo Electric Ind Ltd Production of polyamide resin molding
US4518651A (en) * 1983-02-16 1985-05-21 E. I. Du Pont De Nemours And Company Microwave absorber
DE3311051A1 (en) * 1983-03-25 1984-09-27 Siemens AG, 1000 Berlin und 8000 München TAPE FLEXIBLE HEATING ELEMENT CONSTRUCTED FROM ELECTRICALLY CONDUCTIVE PORCELAIN FROM PTC MATERIAL AND AN ORGANIC INSULATING PLASTIC AS BINDING AGENT, AND METHOD FOR PRODUCING THE FLEXIBLE HEATING ELEMENT
EP0250776B1 (en) 1983-06-30 1992-06-10 RAYCHEM CORPORATION (a Delaware corporation) Method for detecting and obtaining information about changes in variables
US4857880A (en) * 1985-03-14 1989-08-15 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
US4724417A (en) * 1985-03-14 1988-02-09 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
JPS62131065A (en) * 1985-12-03 1987-06-13 Idemitsu Kosan Co Ltd Polymer composition having positive temperature dependence
ATE70363T1 (en) 1986-02-20 1991-12-15 Raychem Corp METHOD AND ARTICLE USING AN ION EXCHANGE SUBSTANCE.
FR2626331B1 (en) * 1988-01-26 1993-04-16 Jarret Jacques HYDROSTATIC COMPRESSION SPRING OF ELASTOMER AND METHOD FOR PRODUCING THE SAME
DE4232969A1 (en) * 1992-10-01 1994-04-07 Abb Research Ltd Electrical resistance element
NO304920B1 (en) * 1997-05-20 1999-03-01 Alsthom Cge Alcatel Electric heating cable
KR20050057342A (en) * 2002-09-17 2005-06-16 타이코 일렉트로닉스 코포레이션 Method of making a polymeric ptc device
DE102017212579A1 (en) * 2017-07-21 2019-01-24 Robert Bosch Gmbh Heating element and method of manufacturing a heating element

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3673121A (en) * 1970-01-27 1972-06-27 Texas Instruments Inc Process for making conductive polymers and resulting compositions
FR2321751A1 (en) * 1975-08-04 1977-03-18 Raychem Corp MATERIALS OF HIGH ELECTRICAL RESISTANCE AT HIGH TEMPS. - comprise crystalline thermoplastic (co)polymer and conducting filler used for heating elements

Also Published As

Publication number Publication date
FR2368127B1 (en) 1983-11-18
JPS5386496A (en) 1978-07-29
FR2368127A1 (en) 1978-05-12
GB1595198A (en) 1981-08-12
DE2746602A1 (en) 1978-07-06

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: RAYCHEM CORP.

Effective date: 19851031