JPH051305B2 - - Google Patents
Info
- Publication number
- JPH051305B2 JPH051305B2 JP19250683A JP19250683A JPH051305B2 JP H051305 B2 JPH051305 B2 JP H051305B2 JP 19250683 A JP19250683 A JP 19250683A JP 19250683 A JP19250683 A JP 19250683A JP H051305 B2 JPH051305 B2 JP H051305B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- heat
- temperature
- polyamide resin
- 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 - Lifetime
Links
- ZNNZYHKDIALBAK-UHFFFAOYSA-M potassium thiocyanate Chemical compound [K+].[S-]C#N ZNNZYHKDIALBAK-UHFFFAOYSA-M 0.000 claims description 12
- 229920006122 polyamide resin Polymers 0.000 claims description 10
- 125000003368 amide group Chemical group 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 239000011342 resin composition Substances 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 description 8
- 229920002647 polyamide Polymers 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- JHWNWJKBPDFINM-UHFFFAOYSA-N Laurolactam Chemical group O=C1CCCCCCCCCCCN1 JHWNWJKBPDFINM-UHFFFAOYSA-N 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 229920000299 Nylon 12 Polymers 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical group C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920000572 Nylon 6/12 Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- -1 copper halides Chemical class 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- ZMUCVNSKULGPQG-UHFFFAOYSA-N dodecanedioic acid;hexane-1,6-diamine Chemical compound NCCCCCCN.OC(=O)CCCCCCCCCCC(O)=O ZMUCVNSKULGPQG-UHFFFAOYSA-N 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229920006017 homo-polyamide Polymers 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Thermistors And Varistors (AREA)
Description
【発明の詳細な説明】
本発明は、特定のポリアミド樹脂組成物からな
る熱感応性材料、特に電気容量成分を一つの制御
因子として熱制御する装置における熱感応性材料
の温度に対する抵抗値、インピーダンスの挙動が
改善された材料に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a heat-sensitive material made of a specific polyamide resin composition, and particularly to a heat-sensitive material having a capacitance component as one of the control factors. It concerns materials with improved behavior.
従来から温度による電気的性質の大きい有機高
分子材料、例えばポリ塩化ビニル、ポリアミドな
どを熱感応性素子として使用することは電気毛
布、電気カーペツトなどの例によつて知られてい
る。熱感応性素子の制御因子としては、直流体積
固有抵抗、比誘電率および体積固有インピーダン
スなどがあり、これらの一つまたはそれ以上の組
合せでもつて制御回路を作動させることができ
る。 2. Description of the Related Art The use of organic polymeric materials that exhibit large electrical properties depending on temperature, such as polyvinyl chloride and polyamide, as heat-sensitive elements has been known for some time, as seen in electric blankets, electric carpets, and the like. Control factors for the thermosensitive element include direct current volume resistivity, relative dielectric constant, and volume resistivity, and the control circuit can be operated by a combination of one or more of these.
したがつて熱感応性素子に要求される特性とし
ては、温度による電気的性質に変化率が大きいこ
と、吸湿による電気的性質の変化が小さいこと、
ヒートサイクルによる電気的性質の経時的変化が
なく安定であることなどが挙げられる。 Therefore, the characteristics required of a heat-sensitive element include a large rate of change in electrical properties due to temperature, a small change in electrical properties due to moisture absorption,
One of the advantages is that there is no change in electrical properties over time due to heat cycles and it is stable.
これまでこの種の目的に合うようにするため、
上記の有機高分子材料に添加剤として界面活性材
などのイオン電導性物質を添加したり（特開昭35
−14179）、イオン解離しやすいハロゲン化銅など
を添加していた。（特開昭56−3904）ところが、
これら組成物の電導キヤリヤは当然イオン性物質
であるため、直流電場を印加すると分極を起こ
し、インピーダンスの大きな経時変化を引き起こ
してしまい、また特に前者が耐熱性の点で劣るた
め、後述のような感熱ヒーターの感温体としては
使用できなかつた。 Until now, to suit this kind of purpose,
Adding ion conductive substances such as surfactants to the above organic polymer materials as additives (Japanese Patent Laid-Open No. 35
-14179), copper halides, etc., which are easily ionically dissociated, were added. (Unexamined Japanese Patent Publication No. 56-3904) However,
Since the conductive carrier of these compositions is naturally an ionic substance, applying a DC electric field causes polarization, causing a large change in impedance over time.Also, the former is particularly poor in heat resistance, so It could not be used as a temperature sensor in a thermal heater.
そこで、本発明は上述した実用上のいくつかの
問題点を解決すべく鋭意検討した結果、特定のポ
リアミド樹脂と特定の添加剤の組合せにより、上
記要求性能を満足する熱感応性材料を作り得るこ
とを見出し、本発明に到達した。 Therefore, as a result of intensive studies aimed at solving some of the above-mentioned practical problems, the present invention has found that it is possible to create a heat-sensitive material that satisfies the above-mentioned performance requirements by combining a specific polyamide resin and a specific additive. They discovered this and arrived at the present invention.
すなわち、本発明は炭素原子数100個当りのア
ミド基数が14個以下のポリアミド樹脂100重量部
にチオシアン化カリウムを0.1〜10.0重量部配合
したポリアミド組成物からなる熱感応性材料を提
供するものである。 That is, the present invention provides a heat-sensitive material comprising a polyamide composition containing 0.1 to 10.0 parts by weight of potassium thiocyanide to 100 parts by weight of a polyamide resin having 14 or less amide groups per 100 carbon atoms. .
本発明における熱感応性材料よりなる熱感応性
素子によれば、温度に対する電気的性質の変化率
が著しく大きく、界面活性剤のようにブリードア
ウトしたり劣化したりして経時変化することもな
いため、電気的性質の安定性にすぐれており、さ
らには信号導体に用いられるアルミニウム、銅な
どの金属（線または箔）を腐食することがなく、
耐熱性が優れ、またポリアミド樹脂とチオシアン
化カリウムとの混練が容易であるなどの利点が得
られる。 According to the heat-sensitive element made of the heat-sensitive material of the present invention, the rate of change in electrical properties with respect to temperature is extremely large, and unlike surfactants, it does not bleed out or deteriorate over time. Therefore, it has excellent electrical stability and does not corrode metals (wires or foils) such as aluminum and copper used for signal conductors.
It has advantages such as excellent heat resistance and easy kneading of the polyamide resin and potassium thiocyanide.
本発明で使用するポリアミド樹脂とは、ポリア
ミノウンデカミド（ナイロン11）あるいはポリω
−ラウロラクタム（ナイロン12）で代表されるア
ミド基濃度の低いポリアミド、さらに詳しく述べ
るならば炭素原子数100個当りのアミド基数が14
個以下のホモポリアミドまたはコポリアミドであ
る。 The polyamide resin used in the present invention is polyaminoundecamide (nylon 11) or polyω
- A polyamide with a low concentration of amide groups such as laurolactam (nylon 12), more specifically, the number of amide groups is 14 per 100 carbon atoms.
homopolyamide or copolyamide.
本発明における熱感応性素子用ポリアミド組成
物の添加剤成分である、チオシアン化カリウムの
添加量は、ポリアミド樹脂100重量部に対し0.1〜
10.0重量部好ましくは0.5〜5.0重量部が適当であ
り、0.1重量部以下では電気的性質の温度に対す
る変化が十分でなく、10.0重量部以上ではポリア
ミド樹脂の機械的性質が低下してしまうため好ま
しくない。 The amount of potassium thiocyanide added, which is an additive component of the polyamide composition for heat-sensitive elements in the present invention, is 0.1 to 100 parts by weight of the polyamide resin.
10.0 parts by weight Preferably 0.5 to 5.0 parts by weight is appropriate; if it is less than 0.1 parts by weight, the electrical properties will not change sufficiently with respect to temperature, and if it is more than 10.0 parts by weight, the mechanical properties of the polyamide resin will deteriorate, so it is preferable. do not have.
チオシアン化カリウムをポリアミド樹脂に添加
する方法は特に限定されず、ポリアミドの重合段
階で添加する方法、ポリアミドの粉末とチオシア
ン化カリウムを機械的に混合する方法、あるいは
ポリアミドペレツトと混合後押出機で溶融混練す
る方法など任意の方法が実施できる。 The method of adding potassium thiocyanide to the polyamide resin is not particularly limited, and can be added during the polyamide polymerization step, mechanically mixing polyamide powder and potassium thiocyanide, or melt-kneaded in an extruder after mixing with polyamide pellets. Any method can be used, such as the method of
チオシアン化カリウムを含有するポリアミド組
成物は通常さらに押出機などによつて線あるいは
シートの形状に成形して熱感応性素子とされる。 The polyamide composition containing potassium thiocyanide is usually further formed into a wire or sheet shape using an extruder or the like to form a heat-sensitive element.
以下本発明の実施例を説明する。 Examples of the present invention will be described below.
実施例 １
ナイロン12ペレツト（ダイセル・ヒユルス製ダ
イアミドL1901）100重量部に対し、チオシアン
化カリウム１重量部をドライブレンドした後、押
出機を用いてこれらを溶融混練し、ペレタイザー
によつてペレツト化した。このペレツトを220°で
圧縮成形により厚み約0.5mmのシートを作成した。
このシートの1000Hzにおける体積固有インピーダ
ンスの温度依存性を測定した。その結果を第１図
の曲線Ａで示すように、非常に大きな公配が得ら
れた。Example 1 1 part by weight of potassium thiocyanide was dry blended with 100 parts by weight of nylon 12 pellets (Diamid L1901 manufactured by Daicel Hulls), then melt-kneaded using an extruder and pelletized using a pelletizer. This pellet was compression molded at 220° to form a sheet with a thickness of approximately 0.5 mm.
The temperature dependence of the specific volume impedance of this sheet at 1000Hz was measured. As the result is shown by curve A in FIG. 1, a very large public distribution was obtained.
実施例 ２
チオシアン化カリウムを水に完全に溶解した
後、ナイロン６・12粉末（ダイセルヒユルス製ダ
イアミドD1700）100重量部に対し、チオシアン
化カリウム５重量部の割合でヘンシエルミキサー
で混合した後、水を完全に蒸発させた。この粉末
を220°で圧縮成形により厚み0.5mmのシートを作
成し、実施例１と同様にして体積固有インピーダ
ンスを測定した結果を第１図の曲線Ｂで示す。実
施例１と同様良好な温度公配を持つている。Example 2 After completely dissolving potassium thiocyanide in water, 5 parts by weight of potassium thiocyanide were mixed with 100 parts by weight of nylon 6.12 powder (Diamid D1700 manufactured by Daicel Hyurus) using a Henschel mixer, and water was completely dissolved. evaporated to. A sheet with a thickness of 0.5 mm was prepared by compression molding this powder at 220°, and the volume specific impedance was measured in the same manner as in Example 1. The results are shown by curve B in FIG. Like Example 1, it has good temperature distribution.
比較例 １
実施例１においてナイロン12ペレツトにチオシ
アン化カリウムを混入しないこと以外は実施例１
と全く同様にして厚さ約0.5mmのシートを作り、
温度インピーダンス特性を調べたところ、第１図
の曲線Ｃに示すように本発明に比べて公配がゆる
くなつていることがわかる。Comparative Example 1 Example 1 except that potassium thiocyanide was not mixed into the nylon 12 pellets in Example 1.
Make a sheet with a thickness of about 0.5 mm in exactly the same way as
When the temperature impedance characteristics were examined, it was found that the distribution was looser than in the present invention, as shown by curve C in FIG.
比較例 ２
実施例１において、ナイロン６・12ペレツトを
使い、チオシアン化カリウムを混入しないこと以
外は実施例１と全く同様にして、厚さ約0.5mmの
シートを作り、温度−インピーダンス特性を調べ
たところ、第１図の曲線Ｄのようになり、本発明
に比べ公配がゆるくなつていることがわかる。Comparative Example 2 A sheet with a thickness of approximately 0.5 mm was made in the same manner as in Example 1 except that nylon 6.12 pellets were used and potassium thiocyanide was not mixed, and the temperature-impedance characteristics were examined. However, it becomes like curve D in FIG. 1, and it can be seen that the distribution is looser than in the present invention.
これらの結果からわかるように、本発明の感温
体はナイロン12やナイロン６・12単独のものに比
べ、温度検知機能すなわちインピーダンスの温度
に対する変化率が非常に改善されており、優れた
電気的特性を有している。 As can be seen from these results, the temperature sensing element of the present invention has a much improved temperature detection function, that is, the rate of change in impedance with respect to temperature, compared to nylon 12 or nylon 6/12 alone, and has excellent electrical performance. It has characteristics.
第１図は本発明の実施例および比較例により得
られた高分子感温体の体積固有インピーダンスと
温度の関係を示すグラフである。
FIG. 1 is a graph showing the relationship between volume specific impedance and temperature of polymer thermosensitive bodies obtained in Examples and Comparative Examples of the present invention.
Claims (1)
下のポリアミド樹脂100重量部にチオシアン化カ
リウムを0.1〜10.0重量部配合したポリアミド樹
脂組成物からなる高分子感温体。1. A polymeric temperature sensitive body made of a polyamide resin composition comprising 100 parts by weight of a polyamide resin having 14 or less amide groups per 100 carbon atoms and 0.1 to 10.0 parts by weight of potassium thiocyanide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19250683A JPS6084358A (en) | 1983-10-17 | 1983-10-17 | High-molecular temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19250683A JPS6084358A (en) | 1983-10-17 | 1983-10-17 | High-molecular temperature sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6084358A JPS6084358A (en) | 1985-05-13 |
| JPH051305B2 true JPH051305B2 (en) | 1993-01-07 |
Family
ID=16292421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19250683A Granted JPS6084358A (en) | 1983-10-17 | 1983-10-17 | High-molecular temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6084358A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6176549A (en) * | 1984-09-21 | 1986-04-19 | Matsushita Electric Works Ltd | Thermistor material |
-
1983
- 1983-10-17 JP JP19250683A patent/JPS6084358A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6084358A (en) | 1985-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH051305B2 (en) | ||
| JPH0244125B2 (en) | KOBUNSHIKANONTAI | |
| JPH0244127B2 (en) | KOBUNSHIKANONTAI | |
| JPH0244124B2 (en) | KOBUNSHIKANONTAI | |
| JPH0244126B2 (en) | KOBUNSHIKANONTAI | |
| JPH0244123B2 (en) | KOBUNSHIKANONTAI | |
| JPH0247083B2 (en) | KOBUNSHIKANONTAI | |
| JPS6053560A (en) | Conductive polyphenylene sulfide resin composition | |
| JPS6243464B2 (en) | ||
| JPS639362B2 (en) | ||
| JPS6347121B2 (en) | ||
| JPS6295804A (en) | Polymer thermosensor | |
| JPS6295803A (en) | Polymer thermosensor | |
| JPS6254828B2 (en) | ||
| JPS58215449A (en) | High-molecular temperature-sensing element | |
| JPS6228562B2 (en) | ||
| JPH0945506A (en) | Polymer thermosensitive body | |
| JP3799755B2 (en) | Method for producing polymer thermosensitive body | |
| JPS592467B2 (en) | Heat-sensitive material consisting of polyamide composition | |
| JPS6228565B2 (en) | ||
| JPH0945508A (en) | Polymer thermosensitive body | |
| JPS6161685B2 (en) | ||
| JPH0834135B2 (en) | Polymer thermosensor | |
| JPS6228563B2 (en) | ||
| JPS6141127B2 (en) |