DE3279970D1 - Radiation cross-linking of ptc conductive polymers - Google Patents

Radiation cross-linking of ptc conductive polymers

Info

Publication number
DE3279970D1
DE3279970D1 DE8282301765T DE3279970T DE3279970D1 DE 3279970 D1 DE3279970 D1 DE 3279970D1 DE 8282301765 T DE8282301765 T DE 8282301765T DE 3279970 T DE3279970 T DE 3279970T DE 3279970 D1 DE3279970 D1 DE 3279970D1
Authority
DE
Germany
Prior art keywords
linking
conductive polymers
radiation cross
ptc conductive
ptc
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
Application number
DE8282301765T
Other languages
German (de)
Inventor
Stephen M Jacobs
Mary Sandra Mctavish
James Michael Taylor
Frank Anthony Doljack
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.)
Raychem Corp
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
Priority claimed from US06/254,352 external-priority patent/US4426633A/en
Application filed by Raychem Corp filed Critical Raychem Corp
Application granted granted Critical
Publication of DE3279970D1 publication Critical patent/DE3279970D1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Ceramic Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermistors And Varistors (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Conductive Materials (AREA)
DE8282301765T 1981-04-02 1982-04-02 Radiation cross-linking of ptc conductive polymers Expired DE3279970D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25049181A 1981-04-02 1981-04-02
US06/254,352 US4426633A (en) 1981-04-15 1981-04-15 Devices containing PTC conductive polymer compositions

Publications (1)

Publication Number Publication Date
DE3279970D1 true DE3279970D1 (en) 1989-11-09

Family

ID=26940917

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8282301765T Expired DE3279970D1 (en) 1981-04-02 1982-04-02 Radiation cross-linking of ptc conductive polymers
DE3280447T Expired - Lifetime DE3280447T2 (en) 1981-04-02 1982-04-02 Crosslinking of PTC-conductive polymers by radiation.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3280447T Expired - Lifetime DE3280447T2 (en) 1981-04-02 1982-04-02 Crosslinking of PTC-conductive polymers by radiation.

Country Status (6)

Country Link
EP (2) EP0063440B1 (en)
JP (1) JPH053101A (en)
DE (2) DE3279970D1 (en)
GB (1) GB2096393B (en)
HK (1) HK83689A (en)
SG (1) SG89388G (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724417A (en) * 1985-03-14 1988-02-09 Raychem Corporation Electrical devices comprising cross-linked conductive polymers
CA1333381C (en) 1986-02-20 1994-12-06 Eric D. Nyberg Method and articles employing ion exchange material
US4907340A (en) * 1987-09-30 1990-03-13 Raychem Corporation Electrical device comprising conductive polymers
US4924074A (en) * 1987-09-30 1990-05-08 Raychem Corporation Electrical device comprising conductive polymers
EP0815568B1 (en) * 1995-03-22 2005-05-25 Tyco Electronics Corporation Electrical device
TW309619B (en) 1995-08-15 1997-07-01 Mourns Multifuse Hong Kong Ltd
EP0845148B1 (en) 1995-08-15 2000-01-19 Bourns Multifuse (Hong Kong), Ltd. Surface mount conductive polymer devices and method for manufacturing such devices
DE19548741A1 (en) 1995-12-23 1997-06-26 Abb Research Ltd Process for the production of a material for PTC resistors
US5814264A (en) * 1996-04-12 1998-09-29 Littelfuse, Inc. Continuous manufacturing methods for positive temperature coefficient materials
TW343423B (en) * 1996-08-01 1998-10-21 Raychem Corp Method of making a laminate comprising a conductive polymer composition
US6020808A (en) 1997-09-03 2000-02-01 Bourns Multifuse (Hong Kong) Ltd. Multilayer conductive polymer positive temperature coefficent device
US6228287B1 (en) 1998-09-25 2001-05-08 Bourns, Inc. Two-step process for preparing positive temperature coefficient polymer materials
DE10310722A1 (en) 2003-03-10 2004-09-23 Tesa Ag Electrically heatable adhesive composition, useful for adhesive tape in automotive applications such as electrically heated mirrors, comprises an adhesive component and an electrically conductive filler
US20070170831A1 (en) * 2003-10-21 2007-07-26 Tyco Electronics Raychem Kk Ptc element and fluorescent lamp starter circuit
DE102007007617A1 (en) 2007-02-13 2008-08-14 Tesa Ag Intrinsically heatable hot melt tacky fabrics
DE102008034748A1 (en) 2008-07-24 2010-01-28 Tesa Se Flexible heated surface element
DE102008063849A1 (en) 2008-12-19 2010-06-24 Tesa Se Heated surface element and method for its attachment
DE102009010437A1 (en) 2009-02-26 2010-09-02 Tesa Se Heated surface element
CN102412094B (en) * 2010-09-20 2014-12-31 胜德国际研发股份有限公司 Protective circuit
US10373745B2 (en) 2014-06-12 2019-08-06 LMS Consulting Group Electrically conductive PTC ink with double switching temperatures and applications thereof in flexible double-switching heaters
US11332632B2 (en) 2016-02-24 2022-05-17 Lms Consulting Group, Llc Thermal substrate with high-resistance magnification and positive temperature coefficient ink
WO2020016853A1 (en) 2018-07-20 2020-01-23 LMS Consulting Group Thermal substrate with high-resistance magnification and positive temperature coefficient
US10822513B1 (en) 2019-04-26 2020-11-03 1-Material Inc Electrically conductive PTC screen printable ink composition with low inrush current and high NTC onset temperature

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3351882A (en) * 1964-10-09 1967-11-07 Polyelectric Corp Plastic resistance elements and methods for making same
JPS5123543A (en) * 1974-08-22 1976-02-25 Dainippon Printing Co Ltd DODENSEI KOBUNSHIZAIRYO
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
FR2368127A1 (en) * 1976-10-15 1978-05-12 Raychem Corp COMPOSITIONS WITH A POSITIVE TEMPERATURE COEFFICIENT AND DEVICES INCLUDING
GB1604735A (en) * 1978-04-14 1981-12-16 Raychem Corp Ptc compositions and devices comprising them
US4200973A (en) * 1978-08-10 1980-05-06 Samuel Moore And Company Method of making self-temperature regulating electrical heating cable

Also Published As

Publication number Publication date
HK83689A (en) 1989-10-27
EP0311142B1 (en) 1993-12-15
GB2096393B (en) 1986-01-02
JPH053101A (en) 1993-01-08
EP0311142A3 (en) 1989-04-26
EP0063440A2 (en) 1982-10-27
DE3280447D1 (en) 1994-01-27
GB2096393A (en) 1982-10-13
DE3280447T2 (en) 1994-07-14
SG89388G (en) 1989-07-14
EP0063440B1 (en) 1989-10-04
EP0063440A3 (en) 1983-04-13
EP0311142A2 (en) 1989-04-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition