DE69028381T2 - PTC-Zusammensetzungen, ihre Herstellung und ihre Verwendung - Google Patents

PTC-Zusammensetzungen, ihre Herstellung und ihre Verwendung

Info

Publication number
DE69028381T2
DE69028381T2 DE69028381T DE69028381T DE69028381T2 DE 69028381 T2 DE69028381 T2 DE 69028381T2 DE 69028381 T DE69028381 T DE 69028381T DE 69028381 T DE69028381 T DE 69028381T DE 69028381 T2 DE69028381 T2 DE 69028381T2
Authority
DE
Germany
Prior art keywords
preparation
ptc compositions
ptc
compositions
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 - Fee Related
Application number
DE69028381T
Other languages
English (en)
Other versions
DE69028381D1 (de
Inventor
Kumakazu Ohkita
Akira Ueno
Toshiaki Abe
Shoichi Sugaya
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.)
Daito Tsushinki KK
Original Assignee
Daito Tsushinki KK
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 Daito Tsushinki KK filed Critical Daito Tsushinki KK
Publication of DE69028381D1 publication Critical patent/DE69028381D1/de
Application granted granted Critical
Publication of DE69028381T2 publication Critical patent/DE69028381T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • 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
    • 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
DE69028381T 1989-12-27 1990-12-20 PTC-Zusammensetzungen, ihre Herstellung und ihre Verwendung Expired - Fee Related DE69028381T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1339560A JP2810740B2 (ja) 1989-12-27 1989-12-27 グラフト化法によるｐｔｃ組成物

Publications (2)

Publication Number Publication Date
DE69028381D1 DE69028381D1 (de) 1996-10-10
DE69028381T2 true DE69028381T2 (de) 1997-01-23

Family

ID=18328626

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69028381T Expired - Fee Related DE69028381T2 (de) 1989-12-27 1990-12-20 PTC-Zusammensetzungen, ihre Herstellung und ihre Verwendung

Country Status (5)

Country Link
US (1) US5190697A (de)
EP (1) EP0435574B1 (de)
JP (1) JP2810740B2 (de)
CA (1) CA2032990C (de)
DE (1) DE69028381T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9113888D0 (en) * 1991-06-27 1991-08-14 Raychem Sa Nv Circuit protection devices
JPH0521207A (ja) * 1991-07-12 1993-01-29 Daito Tsushinki Kk Ｐｔｃ素子
JPH0590009A (ja) * 1991-09-26 1993-04-09 Daito Tsushinki Kk Ｐｔｃ組成物
DE59306823D1 (de) * 1993-08-25 1997-07-31 Abb Research Ltd Elektrisches Widerstandselement und Verwendung dieses Widerstandselementes in einem Strombegrenzer
US5527660A (en) * 1994-11-30 1996-06-18 Polaroid Corporation Laminar imaging medium utilizing hydrophobic cycloaliphatic polyepoxide in the fracturable layers
EP0845148B1 (de) 1995-08-15 2000-01-19 Bourns Multifuse (Hong Kong), Ltd. Oberflächenmontierte leitfähige bauelemente und verfahren zur herstellung derselben
TW309619B (de) 1995-08-15 1997-07-01 Mourns Multifuse Hong Kong Ltd
US6059997A (en) * 1995-09-29 2000-05-09 Littlelfuse, Inc. Polymeric PTC compositions
US6023403A (en) * 1996-05-03 2000-02-08 Littlefuse, Inc. Surface mountable electrical device comprising a PTC and fusible element
US6020808A (en) 1997-09-03 2000-02-01 Bourns Multifuse (Hong Kong) Ltd. Multilayer conductive polymer positive temperature coefficent device
US6282072B1 (en) 1998-02-24 2001-08-28 Littelfuse, Inc. Electrical devices having a polymer PTC array
US6236302B1 (en) 1998-03-05 2001-05-22 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
US6242997B1 (en) 1998-03-05 2001-06-05 Bourns, Inc. Conductive polymer device and method of manufacturing same
US6380839B2 (en) 1998-03-05 2002-04-30 Bourns, Inc. Surface mount conductive polymer device
US6172591B1 (en) 1998-03-05 2001-01-09 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
US6514608B1 (en) * 1998-07-10 2003-02-04 Pirelli Cable Corporation Semiconductive jacket for cable and cable jacketed therewith
WO2000019455A1 (en) 1998-09-25 2000-04-06 Bourns, Inc. Two-step process for preparing positive temperature coefficient polymer materials
US6582647B1 (en) 1998-10-01 2003-06-24 Littelfuse, Inc. Method for heat treating PTC devices
US6429533B1 (en) 1999-11-23 2002-08-06 Bourns Inc. Conductive polymer device and method of manufacturing same
US6628498B2 (en) 2000-08-28 2003-09-30 Steven J. Whitney Integrated electrostatic discharge and overcurrent device
JP3749504B2 (ja) * 2002-05-29 2006-03-01 Ｔｄｋ株式会社 Ｐｔｃ組成物、サーミスタ素子およびこれらの製造方法
CN100419922C (zh) * 2003-06-23 2008-09-17 佳邦科技股份有限公司 用于高分子热敏电阻导电材料组成物的高密度聚乙烯聚合物的处理方法
SE530660C2 (sv) 2006-10-17 2008-08-05 Conflux Ab Värmeelement
WO2008064215A2 (en) 2006-11-20 2008-05-29 Sabic Innovative Plastics Ip Bv Thermally regulated electrically conducting compositions
US20090027821A1 (en) * 2007-07-26 2009-01-29 Littelfuse, Inc. Integrated thermistor and metallic element device and method
US20100084161A1 (en) * 2008-10-08 2010-04-08 Robert A. Neal Conductive film and process for making same
JP2017191856A (ja) * 2016-04-13 2017-10-19 日本特殊陶業株式会社 サーミスタ素子及びその製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658121A (en) * 1975-08-04 1987-04-14 Raychem Corporation Self regulating heating device employing positive temperature coefficient of resistance compositions
US4188276A (en) * 1975-08-04 1980-02-12 Raychem Corporation Voltage stable positive temperature coefficient of resistance crosslinked compositions
US4534889A (en) * 1976-10-15 1985-08-13 Raychem Corporation PTC Compositions and devices comprising them
US4775778A (en) * 1976-10-15 1988-10-04 Raychem Corporation PTC compositions and devices comprising them
JPS61123665A (ja) * 1984-11-19 1986-06-11 Matsushita Electric Ind Co Ltd 導電性樹脂組成物の製造方法
JPS62131065A (ja) * 1985-12-03 1987-06-13 Idemitsu Kosan Co Ltd 高分子正温度特性組成物
US4818439A (en) * 1986-01-30 1989-04-04 Sunbeam Corporation PTC compositions containing low molecular weight polymer molecules for reduced annealing
US4880577A (en) * 1987-07-24 1989-11-14 Daito Communication Apparatus Co., Ltd. Process for producing self-restoring over-current protective device by grafting method
US4910389A (en) * 1988-06-03 1990-03-20 Raychem Corporation Conductive polymer compositions

Also Published As

Publication number Publication date
EP0435574A3 (en) 1992-07-08
JP2810740B2 (ja) 1998-10-15
DE69028381D1 (de) 1996-10-10
CA2032990A1 (en) 1991-06-28
EP0435574A2 (de) 1991-07-03
US5190697A (en) 1993-03-02
JPH03200301A (ja) 1991-09-02
EP0435574B1 (de) 1996-09-04
CA2032990C (en) 1995-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee