JPS63289901A - Conductive resin composition excellent in self-temperature controllability - Google Patents
Conductive resin composition excellent in self-temperature controllabilityInfo
- Publication number
- JPS63289901A JPS63289901A JP12404287A JP12404287A JPS63289901A JP S63289901 A JPS63289901 A JP S63289901A JP 12404287 A JP12404287 A JP 12404287A JP 12404287 A JP12404287 A JP 12404287A JP S63289901 A JPS63289901 A JP S63289901A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- ethylene
- amorphous resin
- polypropylene resin
- polypropylene
- 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.)
- Granted
Links
- 239000011342 resin composition Substances 0.000 title claims abstract description 8
- -1 polypropylene Polymers 0.000 claims abstract description 17
- 239000004743 Polypropylene Substances 0.000 claims abstract description 16
- 229920006127 amorphous resin Polymers 0.000 claims abstract description 16
- 229920001155 polypropylene Polymers 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 16
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000005060 rubber Substances 0.000 claims abstract description 7
- 239000000126 substance Substances 0.000 claims abstract description 7
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims abstract description 5
- 229920001195 polyisoprene Polymers 0.000 claims abstract description 5
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims abstract description 5
- 239000004711 α-olefin Substances 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims description 16
- 229920002367 Polyisobutene Polymers 0.000 claims description 4
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000005977 Ethylene Substances 0.000 abstract description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 abstract description 2
- 229920001577 copolymer Polymers 0.000 abstract description 2
- 229920000642 polymer Polymers 0.000 abstract description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract description 2
- 239000001273 butane Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 abstract 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 2
- 229920006038 crystalline resin Polymers 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920003051 synthetic elastomer Polymers 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- 101100428830 Caenorhabditis elegans mml-1 gene Proteins 0.000 description 1
- 101100310657 Mus musculus Sox1 gene Proteins 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229920001684 low density polyethylene Polymers 0.000 description 1
- 239000004702 low-density polyethylene Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Thermistors And Varistors (AREA)
- Conductive Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は暖房、ロードヒーティング等の加温珀発熱エレ
メントとして利用される導電性樹脂組成物に係り、特に
ＰＴＣ（正Ａ度計数）特性が大であって自己温度制御性
に優れた導電性樹脂組成物に関する。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a conductive resin composition used as a heating element for heating, road heating, etc. The present invention relates to a conductive resin composition having a large temperature and excellent self-temperature control properties.
この種の導電性樹脂組成物として従来、ポリプロピレン
樹脂にカーボンブラック、グラファイト等の導電性付与
材を配合してなるものが知られている。この組成物は面
状、棒状、糸状等の導電体に加工され、電流を流してジ
ュール熱を発生させることによりＩｌｌ房、ロードヒー
ティング等の加温用発熱エレメントとして使用される。Conventionally, as this type of conductive resin composition, one made by blending a conductivity-imparting material such as carbon black or graphite with polypropylene resin is known. This composition is processed into a planar, rod-like, thread-like conductor, and is used as a heat-generating element for heating in Ill chambers, road heating, etc. by passing an electric current to generate Joule heat.
一般に、樹脂系の発熱体はＰＴＣ特性を多少存しており
、温度の上昇とともに抵抗が上昇して発熱量が減少する
という性質から自動的に温度を一定に保つ働き、すなわ
ち、自己温度制御特性を有している。In general, resin-based heating elements have PTC characteristics to some extent, and as the temperature increases, the resistance increases and the amount of heat generated decreases, so they automatically maintain a constant temperature, that is, they have self-temperature control characteristics. have.
しかし、上述の公知の組成物では抵抗が低く電圧が高い
場合、言い換えれば発熱量が多（て温度が高い場合には
自己温度制御が限界を超えて異常発熱を起こし、ひどい
ときには燃焼して火災を起こすこともある。However, with the above-mentioned known compositions, when the resistance is low and the voltage is high, in other words, the amount of heat generated is large (and the temperature is high), self-temperature control exceeds the limit and abnormal heat generation occurs, and in severe cases, it burns and causes a fire. may also occur.
そこで、本発明の目的は組成物のＰＴＣ特性を向上させ
て自己温度制御特性を改良し、前述の公知波ｉネｉに存
する欠点を改良した発熱体用導電性樹脂組成物を提供す
ることにある。SUMMARY OF THE INVENTION Therefore, the object of the present invention is to provide a conductive resin composition for a heating element, which improves the PTC characteristics of the composition, improves the self-temperature control characteristics, and improves the drawbacks of the above-mentioned known waves. be.
前述の目的を達成するため、本発明によれば、ポリプロ
ピレン樹脂、非結晶性樹脂およびｍ電性付与材を含んで
なり、前記ポリプロピレン樹脂と非結晶性樹脂の配合比
率が重量比で９５：５乃至５０：５０であることを特徴
とする。In order to achieve the above object, the present invention comprises a polypropylene resin, an amorphous resin, and a conductivity imparting material, and the blending ratio of the polypropylene resin and the amorphous resin is 95:5 by weight. The ratio is 50:50 to 50:50.
上述のポリプロピレン樹脂としては、プロピレン単独重
合体、プロピレンに少量のエチレンやブテンをランダム
に共重合したもの、または所謂ブロック状に共重合した
もの、またはポリプロピレンに各種のビニル化合物をグ
ラフト重合したもの等が挙げられる。The above-mentioned polypropylene resins include propylene homopolymers, propylene randomly copolymerized with a small amount of ethylene or butene, copolymerized in a so-called block form, polypropylene graft-polymerized with various vinyl compounds, etc. can be mentioned.
また、上述非結晶性樹脂としてエチレン−α〜オレフィ
ン共重合体ゴム、ポリイソブチレン、ポリイソプレン、
エチレン−プロピレンゴム（ＣＰラバー）、エチレン−
酢酸ビニル共重合体（Ｅ ｖＡ）等が挙げられ、これら
の一種または一種以上組み合わせ使用される。In addition, as the above-mentioned amorphous resin, ethylene-α~olefin copolymer rubber, polyisobutylene, polyisoprene,
Ethylene-propylene rubber (CP rubber), ethylene-
Examples include vinyl acetate copolymer (E vA), and one or more of these may be used in combination.
さらに導電性付与材としてはアセチレンブラック、グラ
ファイト等、公知のものが用いられ、具体的にはデンカ
ブラック（電気化学工業（株）製）が挙げられる。Further, as the conductivity imparting material, known materials such as acetylene black and graphite are used, and a specific example is Denka Black (manufactured by Denki Kagaku Kogyo Co., Ltd.).
前述の各成分の組成物中の配合比率はポリプロピレン樹
脂と非結晶性樹脂についてはプロピレン樹脂：非結晶性
樹脂−９５＝５乃至５０ ： ５０ （重量上いであり
、この範囲から逸脱すると、すなわち非結晶性樹脂の配
合量が５０よりも多（なると耐熱温度が低下し、また、
５よりも少なくなるとＰＴＣ特性が小さくなる。また、
導電性付与材の配合比率は所望の発熱量に応じて適当な
比率であることができる。The blending ratio of the above-mentioned components in the composition for polypropylene resin and amorphous resin is from propylene resin: amorphous resin -95 = 5 to 50: 50 (by weight, and if it deviates from this range, that is, non-crystalline resin). The amount of crystalline resin blended is more than 50 (if the amount is more than 50, the heat resistance temperature will be lowered, and
If it is less than 5, the PTC characteristics will become smaller. Also,
The blending ratio of the conductivity-imparting material can be an appropriate ratio depending on the desired calorific value.
なお、本発明において、前記三成分のほかに必要に応じ
て分散剤、安定剤、酸化防止剤あるいはまた、成形性、
物性等の改良のためのブレンドポリマー等を配合するこ
とができる。In addition, in the present invention, in addition to the above three components, dispersants, stabilizers, antioxidants, moldability,
Blend polymers and the like can be added to improve physical properties and the like.
上述の本発明組成物は二軸押出機、加圧ニーダ−、バン
バリー等、公知の混練機で混練され、面状、糸状、棒状
、ソート状等、用途に応じた形状に加工され、発熱エレ
メントとして使用される。The above-mentioned composition of the present invention is kneaded using a known kneading machine such as a twin-screw extruder, pressure kneader, or Banbury, and processed into a shape depending on the purpose such as a planar shape, thread shape, rod shape, or sorted shape, and then used as a heat generating element. used as.
上述の本発明組成物はポリプロピレン樹脂とｍ電性付与
材の組成に対して非結晶性樹脂が所望定量配合されるか
ら、ＰＴＣ特性が大となり、したがって、温度が上昇し
てもそれにともなって抵抗が大きくなり、このため、自
己温度制御性が良好となる。Since the above-mentioned composition of the present invention contains a desired amount of amorphous resin in the composition of the polypropylene resin and the m-electrification imparting material, the PTC properties are increased, and therefore, even when the temperature rises, the resistance increases accordingly. becomes larger, and therefore self-temperature control becomes better.
ポリプロピレン樹脂として、ホモポリマー（三井ノーブ
レンＪＨＨＧ：三井東圧化学工業株式会社製）、ブロッ
クコーポリマー（三井ノープレンＢＪＨＩＩＣ；：三井
東圧化゛学工業株式会社製）、ランダムコーポリマー（
住、友ノーブレンＷ−５３１：住友化学工業株式会社製
）を、非結晶性樹脂としてＥＰラバー（ＥＰ−０７Ｐ、
日本合成ゴム株式会社Ｗ） 、エチレン−αオレフイン
コポリマー（クツマーＰＯ４８０、三井石油化学株式会
社製）、ポリイソブチレン（ビスタ不ノクスＭＭＬ−１
００、エノソスタンダード石油株式会社製）、ポリイソ
プレン（ＩＲ２２００、日本合成ゴム株式会社製） 、
ＥＶＡ （エバテートＨ２Ｏ１１住友化学工業株式会社
′Ｍ）を、導電性付与材としてデンカブラック（電気化
学工業株式会社製）を、酸化防止剤としてイルガノック
ス１０１０ （チハガイギー社製）を選択し、表−１
の組成に従って、１．７ βテストバンバリーにより均
一に混和し、２本ロールでシート状にした後、角ペレダ
イザーで約４ｍｍの角ベレットを得た。As polypropylene resins, homopolymers (Mitsui Noprene JHHG: manufactured by Mitsui Toatsu Chemical Industries, Ltd.), block copolymers (Mitsui Noprene BJHIIC; manufactured by Mitsui Toatsu Chemical Industries, Ltd.), random copolymers (Mitsui Noprene BJHIIC; manufactured by Mitsui Toatsu Chemical Industries, Ltd.) are used.
Sumitomo Noblen W-531: manufactured by Sumitomo Chemical Co., Ltd.) and EP rubber (EP-07P,
Japan Synthetic Rubber Co., Ltd. W), ethylene-α olefin copolymer (Kutsumer PO480, manufactured by Mitsui Petrochemicals Co., Ltd.), polyisobutylene (Vista Nonox MML-1)
00, manufactured by Enoso Standard Oil Co., Ltd.), polyisoprene (IR2200, manufactured by Japan Synthetic Rubber Co., Ltd.),
EVA (Evatate H2O11 Sumitomo Chemical Industries, Ltd.'M) was selected, Denka Black (manufactured by Denki Kagaku Kogyo Co., Ltd.) was selected as the conductivity imparting material, and Irganox 1010 (manufactured by Chiha Geigy) was selected as the antioxidant.
According to the composition, the mixture was uniformly mixed using a 1.7 β test Banbury machine, formed into a sheet using two rolls, and then a square pellet of about 4 mm was obtained using a square pelletizer.
これらペレットを用いて３０１１ΦＴダイ成形機により
断面４ｃ＋＋＋ＸＱ、１ｃｍのベルト状成形物を得た。Using these pellets, a belt-shaped molded product with a cross section of 4c+++XQ and 1 cm was obtained using a 3011ΦT die molding machine.
そこから長さ２２ｃｍにテストピースを切取り、両端か
らｌ ａｍの所まで銀塗料を塗布し、電極とした。A test piece with a length of 22 cm was cut from it, and silver paint was applied from both ends to lam to serve as an electrode.
このテストピースを第１図のようにセットした。This test piece was set up as shown in FIG.
この時、温度計の熱電対はテストピースの中央とする。At this time, place the thermocouple of the thermometer in the center of the test piece.
第１図から明白なようにまず、スイッチ２を閉じ、電圧
Ｅ （Ｖ）Ｘ電流１ （Ａ） ＝ １５ ＣＷ〕にな
るようにスライダソクス１ （０〜２００Ｖ）を調整し
てからスイッチ２を開き、テストピース６を常温（２２
”Ｃ）に戻した後、再度スイッチ２を閉し、１分毎に温
度計５で表面温度および電流計４で電流を測定した。表
面温度が安定するまで初期発熱量
１０−電圧×安定特電流
＝ Ｘ１００ （％〕Ｏ
および安定表面温度を求めた。結果を表−１に記す。こ
こで、電圧計３の電圧は一定であるから、抵抗Ｒはオー
ムの法則により電流と反比例の関係にあり、発熱量Ｗと
の関係は、
Ｒ＝ −
■
１＝ −
Ｗ＝ ［ＩＥ
より Ｅ２
Ｗ＝ −
となり、ΔＷは抵抗変化率に対応する。よってΔＷが大
きい方がＰＴＣ特性が太き（、温度安定性に優れると言
える。As is clear from Figure 1, first close switch 2, adjust slider sox 1 (0 to 200V) so that voltage E (V) x current 1 (A) = 15 CW], and then open switch 2. , test piece 6 at room temperature (22
After returning to "C), switch 2 was closed again, and the surface temperature was measured with thermometer 5 and the current was measured with ammeter 4 every minute. Initial calorific value 10 - voltage x stability characteristic Current = X100 (%) O and stable surface temperature were determined.The results are shown in Table 1.Here, since the voltage of voltmeter 3 is constant, resistance R is inversely proportional to current according to Ohm's law. The relationship with the heat generation amount W is R= − ■ 1= − W= [IE, E2 W= −, and ΔW corresponds to the rate of change in resistance. Therefore, the larger ΔW is, the thicker the PTC characteristics (, It can be said that it has excellent temperature stability.
表−２に示す各配合の組成物を調製し、これら各試料に
ついて実施例と同様にして評価し、結果を表−２に示し
た。なお、表−２において、ハイゼノクス５０００Ｓは
三片石油化学工業（株）製の高密度ポリエチレン、ウル
トゼソクス２０２０Ｌは三片石油化学工業（株）製の直
鎮状低密度ポリエチレンである。Compositions with the respective formulations shown in Table 2 were prepared, and each of these samples was evaluated in the same manner as in the Examples, and the results are shown in Table 2. In Table 2, HIZENOX 5000S is a high-density polyethylene manufactured by Mikata Petrochemical Industries, Ltd., and URTOZESOX 2020L is a straight-line low-density polyethylene manufactured by Mikata Petrochemical Industries, Ltd.
表−１ならびに表−２の結果からも明らかのように、非
結晶性樹脂配合の効果は顕著であり、発りへ温度安定性
を高めるのに卓越した効果があると言える。As is clear from the results in Tables 1 and 2, the effect of blending the amorphous resin is remarkable, and it can be said that it has an outstanding effect on increasing temperature stability.
以上のとおり、本発明組成物は非結晶性樹脂を含有する
からＰＴＣ特性が大であり、したがって、自己温度制御
性が良好である。As described above, since the composition of the present invention contains an amorphous resin, it has high PTC characteristics and therefore has good self-temperature control.
第１図は本発明組成物によるテストピースの性能試験装
置のブロック図を示す。
ｌ・・・スライダックス、 ２・・・スイッチ、３
・・・電圧計、 ４・・・電流計、 ５・・・温度計、
６・・・テストピース。
特許出願人 大日精化工業株式会社
千３う）、５十甫正書
昭和６２年６月２３日
特許庁長官 男 １） 明 誰 殿１、事件の表示
昭和６２年特許願第１２４０４２号
２）発明の名称
自己温度制御性に優れた専電性樹脂組成物３、補正をす
る者
事件との関係 特 許 出 願 人
住所 東京都中央区日本橋馬喰町１−７−６名称 大
日精化工業株式会社
４、代理人
７、補正の内容 別紙のとおり。
本願明細占を次のとおりに訂正する。
（１）第７ページ第８行「安定するまで」の後に「測定
し、」を加入する。
（２）第７ページ第１２乃至１４行の式をと訂正する。FIG. 1 shows a block diagram of an apparatus for testing the performance of test pieces using the composition of the present invention. l... Slidex, 2... Switch, 3
...Voltmeter, 4...Ammeter, 5...Thermometer,
6...Test piece. Patent applicant: Dainichiseika Kakogyo Co., Ltd., 1987, June 23, 1988, Commissioner of the Patent Office, Male 1) Mr. Ming 1, Indication of the case, Patent Application No. 124042, 1988 2) Name of the invention: Proprietary electric resin composition 3 with excellent self-temperature control properties; Relationship with the amended person's case Patent application Address: 1-7-6 Nihonbashi Bakuro-cho, Chuo-ku, Tokyo Name: Dainichiseika Kogyo Co., Ltd. 4. Agent 7. Contents of amendments are as attached. The specification of the present application is corrected as follows. (1) In the 8th line of the 7th page, add ``Measure,'' after ``Until it stabilizes.'' (2) Correct the formula in lines 12 to 14 of page 7 as follows.
Claims (2)
付与物を含んでなり、前記ポリプロピレン樹脂と非結晶
性樹脂の配合比率が重量比で９５：５乃至５０：５０で
あることを特徴とする自己温度制御性に優れた導電性樹
脂組成物。(1) A cell comprising a polypropylene resin, an amorphous resin, and a conductivity-imparting substance, wherein the blending ratio of the polypropylene resin and the amorphous resin is from 95:5 to 50:50 by weight. A conductive resin composition with excellent temperature control.
前記非結晶性樹脂がエチレン−α−オレフィン共重合体
ゴム、ポリイソブチレン、ポリイソプレン、エチレン−
プロピレンゴムおよびエチレン−酢酸ビニル共重合体の
群から選ばれた一種またはそれ以上である組成物。(2) In the composition according to claim 1,
The amorphous resin is ethylene-α-olefin copolymer rubber, polyisobutylene, polyisoprene, ethylene-α-olefin copolymer rubber, polyisobutylene, polyisoprene, ethylene-
A composition comprising one or more selected from the group of propylene rubber and ethylene-vinyl acetate copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62124042A JP2627894B2 (en) | 1987-05-22 | 1987-05-22 | Conductive resin composition with improved self-temperature controllability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62124042A JP2627894B2 (en) | 1987-05-22 | 1987-05-22 | Conductive resin composition with improved self-temperature controllability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63289901A true JPS63289901A (en) | 1988-11-28 |
| JP2627894B2 JP2627894B2 (en) | 1997-07-09 |
Family
ID=14875571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62124042A Expired - Fee Related JP2627894B2 (en) | 1987-05-22 | 1987-05-22 | Conductive resin composition with improved self-temperature controllability |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2627894B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999030334A1 (en) * | 1997-12-08 | 1999-06-17 | Acome Societe Cooperative De Travailleurs | Self-adjusting cables and method for making same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5416697A (en) * | 1977-05-18 | 1979-02-07 | Raychem Corp | Electroconductive polymer composition and ptc heater consisting of same |
| JPS6031548A (en) * | 1983-07-29 | 1985-02-18 | Toshiba Corp | Electrically conductive organic composition having ptc characteristics |
-
1987
- 1987-05-22 JP JP62124042A patent/JP2627894B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5416697A (en) * | 1977-05-18 | 1979-02-07 | Raychem Corp | Electroconductive polymer composition and ptc heater consisting of same |
| JPS6031548A (en) * | 1983-07-29 | 1985-02-18 | Toshiba Corp | Electrically conductive organic composition having ptc characteristics |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999030334A1 (en) * | 1997-12-08 | 1999-06-17 | Acome Societe Cooperative De Travailleurs | Self-adjusting cables and method for making same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2627894B2 (en) | 1997-07-09 |
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