KR900702543A - 전도성 중합체를 포함하는 전기장치 - Google Patents

전도성 중합체를 포함하는 전기장치

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Publication number
KR900702543A
KR900702543A KR1019900700218A KR900700218A KR900702543A KR 900702543 A KR900702543 A KR 900702543A KR 1019900700218 A KR1019900700218 A KR 1019900700218A KR 900700218 A KR900700218 A KR 900700218A KR 900702543 A KR900702543 A KR 900702543A
Authority
KR
South Korea
Prior art keywords
composition
polymer
polymer component
component comprises
weight
Prior art date
Application number
KR1019900700218A
Other languages
English (en)
Inventor
케이. 오스왈 라빈더
엔. 다리아 아미트쿠마
바레트 레오나드
Original Assignee
허버트 지. 버카드
레이켐 코포레이션
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 허버트 지. 버카드, 레이켐 코포레이션 filed Critical 허버트 지. 버카드
Publication of KR900702543A publication Critical patent/KR900702543A/ko

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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
    • 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
    • H01C7/028—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 organic substances

Abstract

내용 없음

Description

전도성 중합체를 포함하는 전기장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따라 제조한 전기장치의 평면도이다.

Claims (10)

  1. PTC행동을 나타내며, (1) 유기 중합체를 포함하는 제1중합체 성분; (2) (ⅰ) 결정화도가 적어도 10%이고, (ⅱ) 융점 Tm2가 예리하며, (ⅲ) Tm2이상의 온도에 노출시키는 경우, 용융강도가 전혀없는 제2성분; 및 (3) 미립자 전도성 충진재를 포함하는 전도성 중합체 조성물.
  2. 제1항에 있어서, (1) 제1중합체 성분이 융점 Tm1의 결정성 유기 중합체를 포함하며; (2) 제2중합체 성분이 측쇄 결정화를 나타내는 전도성 중합체 조성물.
  3. 제1항 또는 제2항에 있어서, 제2중합체 성분이 탄소수가 적어도 8인 선형 측쇄를 갖는 비닐 중합체를 포함하는 조성물.
  4. 제1항, 제2항 또는 제3항에 있어서, 제2중합체 성분의 중량평균분자량이 적어도 5 ×104인 조성물.
  5. 제1항, 제2항 또는 제3항에 있어서, 제2중합체 성분이 (ⅰ) 용융온도가 30내지 50℃이며, (ⅱ) 조성물의 15중량% 이하로 포함되는 폴리(비닐 스테아레이트)를 포함하는 조성물.
  6. 제1항 내지 5항중 어느 한 항에 있어서, 제1중합체 성분이 사이클로올레핀(여기서, 사이클로 올레핀은 트랜스 함량이 55 내지 90%인 사이클로 옥테나머이다)으로부터 유도된 반복단위를 적어도 15중량%포함하는 조성물.
  7. 제2항, 제3항, 제4항, 제5항 또는 제6항에 있어서, Tm1이 0 내지 80℃의 범위이고, Tm2가 (Tm1-150)℃내지 (Tm1+50)℃의 범위인 조성물.
  8. 제1항 내지 제7항중 어느 한 항에 있어서, 전도성 충진재가 카아본블랙을 포함하는 조성물.
  9. 제1항 내지 제8항중 어느 한 항에 있어서, 무기 미립자 충진재를 추가로 포함하는 조성물.
  10. (1) 제1항 내지 제9항중 어느 한 항에 따른 전도성 중합체 조성물로 이루어진, PTC행동을 나타내는 PTC소자 및 (2) 전원에 연결되어 PTC소자를 통하여 흐르는 전류를 발생시킬 수 있는 적어도 2개의 전극을 포함하는 전기장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900700218A 1988-06-03 1989-06-02 전도성 중합체를 포함하는 전기장치 KR900702543A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/202,165 US5250226A (en) 1988-06-03 1988-06-03 Electrical devices comprising conductive polymers
US202,165 1988-06-03
PCT/US1989/002420 WO1989012308A1 (en) 1988-06-03 1989-06-02 Polymeric ptc composition and electrical device thereof

Publications (1)

Publication Number Publication Date
KR900702543A true KR900702543A (ko) 1990-12-07

Family

ID=22748747

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900700218A KR900702543A (ko) 1988-06-03 1989-06-02 전도성 중합체를 포함하는 전기장치

Country Status (7)

Country Link
US (1) US5250226A (ko)
EP (1) EP0417204B1 (ko)
JP (1) JPH03504784A (ko)
KR (1) KR900702543A (ko)
AT (1) ATE114074T1 (ko)
DE (1) DE68919359T2 (ko)
WO (1) WO1989012308A1 (ko)

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US5451919A (en) * 1993-06-29 1995-09-19 Raychem Corporation Electrical device comprising a conductive polymer composition
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TW298653B (ko) * 1995-02-28 1997-02-21 Yunichica Kk
US6059997A (en) * 1995-09-29 2000-05-09 Littlelfuse, Inc. Polymeric PTC compositions
DE19548741A1 (de) * 1995-12-23 1997-06-26 Abb Research Ltd Verfahren zur Herstellung eines Materials für PTC-Widerstände
US6023403A (en) * 1996-05-03 2000-02-08 Littlefuse, Inc. Surface mountable electrical device comprising a PTC and fusible element
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US5902518A (en) * 1997-07-29 1999-05-11 Watlow Missouri, Inc. Self-regulating polymer composite heater
US6282072B1 (en) 1998-02-24 2001-08-28 Littelfuse, Inc. Electrical devices having a polymer PTC array
US6074576A (en) * 1998-03-24 2000-06-13 Therm-O-Disc, Incorporated Conductive polymer materials for high voltage PTC devices
US6582647B1 (en) 1998-10-01 2003-06-24 Littelfuse, Inc. Method for heat treating PTC devices
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US6197220B1 (en) 2000-06-06 2001-03-06 Therm-O-Disc Corporation Conductive polymer compositions containing fibrillated fibers and devices
US6628498B2 (en) 2000-08-28 2003-09-30 Steven J. Whitney Integrated electrostatic discharge and overcurrent device
US6756440B2 (en) * 2000-12-12 2004-06-29 Sumitomo Wiring Systems, Ltd. Fire resistant resin composition and electrical wire having fire resistant covering
US7183891B2 (en) 2002-04-08 2007-02-27 Littelfuse, Inc. Direct application voltage variable material, devices employing same and methods of manufacturing such devices
US6676027B1 (en) * 2002-12-30 2004-01-13 Schmidt Aircraft Products, Inc. Heater for aircraft cockpit
TWI229966B (en) * 2003-08-27 2005-03-21 Polytronics Technology Corp Over-current protection device
US8496854B2 (en) * 2009-10-30 2013-07-30 Sabic Innovative Plastics Ip B.V. Positive temperature coefficient materials with reduced negative temperature coefficient effect

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Also Published As

Publication number Publication date
DE68919359T2 (de) 1995-06-14
EP0417204A1 (en) 1991-03-20
US5250226A (en) 1993-10-05
ATE114074T1 (de) 1994-11-15
JPH03504784A (ja) 1991-10-17
WO1989012308A1 (en) 1989-12-14
EP0417204B1 (en) 1994-11-09
DE68919359D1 (de) 1994-12-15

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