JPS5959746A - Production of temperature-sensitive electrically conductive polymer composition - Google Patents
Production of temperature-sensitive electrically conductive polymer compositionInfo
- Publication number
- JPS5959746A JPS5959746A JP17275182A JP17275182A JPS5959746A JP S5959746 A JPS5959746 A JP S5959746A JP 17275182 A JP17275182 A JP 17275182A JP 17275182 A JP17275182 A JP 17275182A JP S5959746 A JPS5959746 A JP S5959746A
- Authority
- JP
- Japan
- Prior art keywords
- cesium
- carbon
- temperature
- mixture
- conductive polymer
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 14
- 229920001940 conductive polymer Polymers 0.000 title claims abstract description 7
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 229920000642 polymer Polymers 0.000 claims abstract description 10
- 230000002687 intercalation Effects 0.000 claims abstract description 9
- 238000009830 intercalation Methods 0.000 claims abstract description 9
- 238000004132 cross linking Methods 0.000 claims abstract description 6
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000010382 chemical cross-linking Methods 0.000 claims description 3
- 229910052792 caesium Inorganic materials 0.000 abstract description 9
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 239000011575 calcium Substances 0.000 abstract description 4
- AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 abstract description 3
- 239000006229 carbon black Substances 0.000 abstract description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052791 calcium Inorganic materials 0.000 abstract description 2
- 238000010894 electron beam technology Methods 0.000 abstract description 2
- 229920001903 high density polyethylene Polymers 0.000 abstract 1
- 239000004700 high-density polyethylene Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- JVWLOLRJWFXRLM-UHFFFAOYSA-N [C].[Cs] Chemical compound [C].[Cs] JVWLOLRJWFXRLM-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
(発明の技((・1分野)
本発明は導電性重合体組成物、特にその抵抗率がある特
定の濡1σ領域に達す−ると、急激に増加し、正の温I
U係数(以−1・I) I Cと称する)b増大する性
質を示1温度Wl感1’l導電1イ1重合体組成物の’
M造万ン人に関りる。DETAILED DESCRIPTION OF THE INVENTION (Techniques of the Invention (1) Field of the Invention The present invention relates to a conductive polymer composition, in particular, the resistivity of which increases rapidly when it reaches a certain 1σ region, and The temperature of
The U coefficient (hereinafter referred to as I C) shows the property of increasing 1 temperature Wl feeling 1'l conductivity 1i1 polymer composition'
Concerning M-Zouman people.
<発明の技1「トi的背■d3よび問題点)従来、ポリ
l ’T Iノンあるいはポリプロピレンなとの結晶1
11手合体に、たどえば金属微粉末あるいはカーボンブ
ラック<アどを分散させたP T’ C特性を右する導
電性重合体組成物(以−F P T C重合体と称する
)が知られているが、前者は室i1M (20℃)にお
りる抵抗率は102 Q・Cl1lど大きい−1、^)
合成(180’C)でも103Ω・can稈度であり抵
抗率の温度依ひ性が1分で4丁いツIt s:、iを・
右し、一方後者においては一応満足できるP1’C特1
1をポリ−が、室温にJ3ける抵抗率が10〜102Ω
・(、Inと高いため、さらに人容最の電流を流すため
には素子の形を大きくuざるを得ず小型化の要求、ある
いは月利コスl〜の低域の要求を満足するに(,10ら
なかった。<Inventive Technique 1 "Background ■d3 and Problems" Conventionally, crystals of polyl'Tinon or polypropylene 1
A conductive polymer composition (hereinafter referred to as F PTC polymer) which has PTC characteristics and has fine metal powder or carbon black dispersed therein is known. However, in the former case, the resistivity in the chamber i1M (20℃) is 102 Q・Cl1l -1, ^)
Even in synthesis (180'C), the culmability is 103Ω・can, and the temperature dependence of resistivity is 4 times in 1 minute.
On the other hand, in the latter case, P1'C characteristic 1 is somewhat satisfactory.
1 is poly, and the resistivity at room temperature is 10~102Ω
・(Because of the high In, the shape of the element must be made larger in order to flow the most human-sized current, and in order to satisfy the demand for miniaturization, or the demand for low frequency range of monthly cost l~) ,10 wasn't there.
(発明の目的)
本発明の目的とづ−るところは、改良された[〕[C特
性、とくに常温での抵抗率がイルく、入電流を流1場合
でも素子の小型化が1+1能な湿度敏感11導電性重合
体組成物の製造方法を提供覆ることである。(Objective of the Invention) The object of the present invention is to improve the C characteristics, especially the resistivity at room temperature, and to reduce the size of the device by 1+1 even when the input current is 1. It is an object of the present invention to provide a method for preparing a humidity sensitive conductive polymer composition.
(発明の概要)
本発明はカーボン−セシウム層t、1.ij化合物を混
入した結晶性重合体に、化学架橋あるいは照射架橋を廁
りことにJ、り前記結晶性重合1本を架I臭さけること
を1:r徴どりる)晶度敏感性導電性小合体組成物の!
J、R;llr万ン人1こ関りるしのである。(Summary of the Invention) The present invention provides a carbon-cesium layer t, 1. When the crystalline polymer mixed with the ij compound is subjected to chemical crosslinking or irradiation crosslinking, the above-mentioned crystalline polymer is exposed to a 1:r) crystallinity-sensitive conductivity. Small combined composition!
J.
ここて゛カー小シーヒシウム層間化合物どはカニボンの
!1、)定11′+品面間にセシウムが入り込んだもの
をさ4が、完全((,1なく部分的に層間化合物が形J
戊さ41.たbのを含Cむ5.カーボンどセシウムは′
1:5の割合てパ反応づる。Here, the small Sihissium intercalation compound is from Kanibon! 1, ) constant 11' + cesium has entered between the surfaces of the product.
41. 5. Carbon and cesium are
The ratio is 1:5.
木北明に使用りるカーボン−セシウム層間化合物の製造
方法としては、例えば真空ポンプにより真空系をI X
10 ” l1lll +−1(Jの真空に保ちつつ
、前記真望系中にカーボンブラックおにび塩化セシウム
とカルシラl\の混合物を分離して配置し、次に塩化セ
シウムとカルシウムの混合物をヒーター等により111
1熱りる/j法をとる。。As a method for producing the carbon-cesium intercalation compound used in Akira Kikita, for example, the vacuum system is
A mixture of carbon black, cesium chloride, and calcium chloride was separated and placed in the vacuum system while maintaining a vacuum of 10" l1llll +-1 (J), and then a mixture of cesium chloride and calcium was placed in a heater. 111 by etc.
1 Heat up / Take the j method. .
口の加熱により次の反応がおこりセシウムの蒸気が光/
1.シ、
2C3Cfl )Ca −>Ca Ca2 2 +
2C8↑上記セシウムの蒸気をカーボンに吸着する。The following reaction occurs due to the heating of the mouth, and the cesium vapor becomes light/
1. , 2C3Cfl ) Ca −>Ca Ca2 2 +
2C8↑The above cesium vapor is adsorbed on carbon.
この状態(・カーホンを約/I 00″Gに加熱りると
カーボンーレシウ1XIiv間化合物が生成Cさる。/
J−ボン−セシウム層間化合物の配合量として【、1ベ
ースポリマー100可[!h)部あたり3〜・Ei I
fT!郡の範囲で添加するのが好ましい。ここで3千
01部より添加量が少ないと常温にお(プる抵抗率がト
がらず50小間部をこえると分11に不良のため(本成
的4【・持性か低下り−るためである。In this state (・When carbon is heated to about /I 00″G, a carbon-residue 1XIiv compound is formed./
The blending amount of the J-bon-cesium intercalation compound is [, 1 base polymer 100 [!] h) 3~・Ei I per part
fT! It is preferable to add within a certain range. If the amount added is less than 3,001 parts, the resistivity will not rise at room temperature, and if it exceeds 50 parts, the resistance will decrease. It's for a reason.
なお、結晶性重合体を架橋する方法どじで【よ有機過酸
化物による化学架橋による方法と、電子線、ガンマ−線
などの電離性放1=I線にJ、る照Oil架橋による方
法とがあるが、このいづれし+) 1 C狛性の改善に
対しては同様な効果を示づことか認められる。There are two methods for crosslinking crystalline polymers: chemical crosslinking using organic peroxides, and oil crosslinking using ionizing radiation such as electron beams and gamma rays. However, this combination +) 1 It can be seen that it shows a similar effect on improving C.
(発明の実施例)
次に本発明の実施例について説明する1゜実施例
結晶性重合体どして高密瓜ポリ1ブレン1ハイUツクス
1300JJ (三井ボリクーミカル社製商品名)1
00重量部と前記製造法によりj!、IたVUしCΔN
XC−72(Cabo+4J商品名+ ’、/ t
’−ネス吸油1.3 )とレシウl\よりなるカーボン
−セシウム層間化合物/I C’)Φω部をゴム)ム1
練用ロールで1 !30 ℃、10ブン間i1J I東
後厚さ1市川のシート4人(こ1]−力 100 Kす
/ cnfの条件で押出しl、。次に前記シートに電j
′−線を照射した後20 m1IX 20 mIIに切
断し、両面に一ツクル電極をつ(J試料しIこ。(Embodiments of the Invention) Next, embodiments of the present invention will be explained.
00 parts by weight and the above manufacturing method j! , I and VU and CΔN
XC-72 (Cabo+4J product name + ', /t
Carbon-cesium intercalation compound consisting of '-ness oil absorption 1.3) and resin l\/I C') Φω part rubber) Mu1
1 with a practice roll! A sheet of Ichikawa with a thickness of 1 J I Togo thickness 1 was extruded by 4 people at 30 °C for 10 hours with a force of 100 K/cnf.Then, the sheet was
After irradiating the specimen with 20 ml x 20 ml, one electrode was attached to both sides (J sample).
t”I’ CI’+ 141の測定(よ、電気炉中で室
温から20”C/分の)*世c”jr (晶し、温度と
抵抗率の関係を測定した。Measurement of t"I'CI'+ 141 (20"C/min from room temperature in an electric furnace)
従来例どじではカーボンーレシウム層間化合物ヲカーホ
> (V (J l−CA N X C−72) C
,、、変え他(31実加例どIi’ilじしのを用い、
同様に測定した1゜図にこの測定結果を示づ。In the conventional example, the carbon-resium intercalation compound was removed (V (J l-CA N X C-72) C
,,, change etc. (31 actual examples using Ii'il original,
The measurement results are shown in the 1° diagram, which was measured in the same way.
図にJ3い(従来例は点線、実施例は実線ぐ承り。J3 is shown in the figure (the conventional example is shown by the dotted line, the embodiment shown by the solid line).
(発明の効果)
以」ムT述した如く本発明の温度敏感性導電士1重合体
組成物の製造方法ににれば良9.rなPTC特性を保ら
ながら室温にお()る抵抗率は従来品に比へ1/10ど
なり、大電流でかつ小型の製品を可能でさる。(Effects of the Invention) As described below, the method for producing the temperature-sensitive conductive polymer composition of the present invention has nine advantages. While maintaining excellent PTC characteristics, the resistivity at room temperature is 1/10 that of conventional products, allowing for large current and small size products.
図は従来品J3よび本発明の方法にJ、っ(1,1られ
た温度敏@11導電1(I:重合体組成物の1lilA
度ど比抵抗の関係の一実施例を示づ図である。
/l〕で。
代理人弁理士 山 1)明 (n4・、・。
′−The figure shows the temperature sensitivity @ 11 conductivity 1 (I: 1 lil A of the polymer composition) of the conventional product J3 and the method of the present invention.
It is a figure which shows one example of the relationship of degree specific resistance. /l]. Representative Patent Attorney Yama 1) Akira (n4・,・. ′-
Claims (1)
重合体に、化学架橋あるいは照射架橋を施すことにJ:
り前記結晶性重合体を架橋さUることを特徴どJるン!
i+ロ燵敏感性導電性重合体組成物の製造り法。11 J: Chemical crosslinking or irradiation crosslinking of a crystalline polymer mixed with a carbon-resium intercalation compound:
The feature is that the crystalline polymer is cross-linked!
A method for producing an i+rotation-sensitive conductive polymer composition.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17275182A JPS5959746A (en) | 1982-09-30 | 1982-09-30 | Production of temperature-sensitive electrically conductive polymer composition |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17275182A JPS5959746A (en) | 1982-09-30 | 1982-09-30 | Production of temperature-sensitive electrically conductive polymer composition |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5959746A true JPS5959746A (en) | 1984-04-05 |
Family
ID=15947643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17275182A Pending JPS5959746A (en) | 1982-09-30 | 1982-09-30 | Production of temperature-sensitive electrically conductive polymer composition |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5959746A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009203441A (en) * | 2008-02-29 | 2009-09-10 | Denso Corp | Composite material, manufacturing method therefor, and composite structure |
-
1982
- 1982-09-30 JP JP17275182A patent/JPS5959746A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009203441A (en) * | 2008-02-29 | 2009-09-10 | Denso Corp | Composite material, manufacturing method therefor, and composite structure |
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