JPH0370027B2 - - Google Patents
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- Publication number
- JPH0370027B2 JPH0370027B2 JP61185910A JP18591086A JPH0370027B2 JP H0370027 B2 JPH0370027 B2 JP H0370027B2 JP 61185910 A JP61185910 A JP 61185910A JP 18591086 A JP18591086 A JP 18591086A JP H0370027 B2 JPH0370027 B2 JP H0370027B2
- Authority
- JP
- Japan
- Prior art keywords
- static electricity
- paper
- neutralizing
- fibers
- weight
- 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
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- Braiding, Manufacturing Of Bobbin-Net Or Lace, And Manufacturing Of Nets By Knotting (AREA)
- Paper (AREA)
- Elimination Of Static Electricity (AREA)
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は電子部品、精密電機、フイルム、製
紙、繊維の製造業、印刷業、あるいは電子写真複
写紙などに用いられる静電気防止用の静電気中和
紐に関するものであり、さらに詳しくは、可燃性
物質の引火による重大災害発生の危険性を有する
静電気を中和し、労働安全上の問題を解決するの
に有用な静電気中和紐に関するものである。Detailed Description of the Invention (Industrial Field of Application) The present invention is used in the manufacturing industry of electronic parts, precision electrical machinery, film, paper manufacturing, textiles, printing industry, or electrophotographic copying paper to prevent static electricity. This article relates to Japanese cords, and more specifically to static electricity neutralizing cords that are useful for neutralizing static electricity that poses a risk of serious accidents due to ignition of combustible materials and for solving labor safety problems. be.
（従来の技術）
静電気は合成繊維や、プラスチツク、ガラスな
どの不導体ほど発生し易く、又帯電もし易いの
で、その帯電量が或る限界に達すると静電気エネ
ルギーを放出して次の現象が起る。(Prior art) Static electricity is more likely to be generated and charged in nonconducting materials such as synthetic fibers, plastics, and glass, so when the amount of static electricity reaches a certain limit, the electrostatic energy is released and the following phenomenon occurs. Ru.
(A) 電撃シヨツクによる二次災害、電子機器の絶
縁破壊。(A) Secondary damage caused by electric shock, insulation breakdown of electronic equipment.
(B) チリ、ホコリの吸引、物体の吸着による品
質、作業、生産障害。(B) Quality, work, or production problems due to dust, dust absorption, or adsorption of objects.
(C) 火花放電による可燃性物体への着火、爆発。(C) Ignition or explosion of flammable objects by spark discharge.
前記したような静電気障害を防止するために
は、発生した静電気の帯電量を速やかに小さく
し、人体、物体などの災害、障害につながる静電
気エネルギーを蓄積させないようにすることが必
要である。 In order to prevent the above-mentioned electrostatic damage, it is necessary to quickly reduce the amount of static electricity generated and to prevent the accumulation of electrostatic energy that could lead to disasters or damage to the human body, objects, etc.
さらに、具体的に静電気に起因する障害を防止
し、制電性を付与する方法としては、
(a) 一時帯電防止剤を布帛表面に付着させる方法
（後加工法）。 Furthermore, methods for specifically preventing damage caused by static electricity and imparting antistatic properties include (a) a method of temporarily attaching an antistatic agent to the surface of the fabric (post-processing method);
(b) 吸水性のある物質で物体を被膜する方法（後
加工法）。(b) A method of coating an object with a water-absorbing substance (post-processing method).
(c) 金属線などの導電性物質を使い静電気を漏洩
させ、アースする方法。(c) A method of grounding by leaking static electricity using conductive materials such as metal wires.
などの方法が採用されているものの、いづれも耐
久性、ホコリ付着、制電性能の点で目的を充分に
満たすまでは至つていない。Although the following methods have been adopted, none of them has been able to fully meet the objectives in terms of durability, dust adhesion, and antistatic performance.
（発明が解決しようとする問題点）
本発明の目的は、産業の各分野において、静電
気による障害のために引起される故障、能率低
下、火災、爆発、放電光と音による不快感などを
防ぐために極めて効果の大きい静電気中和紐を提
供することにある。(Problems to be Solved by the Invention) The purpose of the present invention is to prevent breakdowns, reduced efficiency, fires, explosions, discomfort caused by discharged light and sounds, etc. caused by disturbances caused by static electricity in various industrial fields. The object of the present invention is to provide a static electricity neutralizing string that is extremely effective in reducing static electricity.
（問題点を解決するための手段）
前記した本発明の目的は、炭素繊維の短繊維３
〜15重量％、合成繊維の短繊維20〜70重量％、お
よび残部木材パルプからなり、上記炭素繊維の短
繊維が均一に分散し、その先端が50本／cm2以上紙
の表面に突出しているとともに、半減期が５秒以
下、摩擦帯電圧が40V以下である静電気中和紙
を、２〜100mmの巾にスリツトして、合成繊維か
らなる組紐の内層へ編込むことによつて達成する
ことができる。(Means for Solving the Problems) The object of the present invention described above is to reduce the short fibers of carbon fibers 3
~15% by weight, 20~70% by weight of short synthetic fibers, and the remainder is wood pulp, with the short carbon fibers being uniformly dispersed, with their tips protruding at least 50 fibers/ cm2 from the surface of the paper. This can be achieved by slitting static electricity neutralizing paper, which has a half-life of 5 seconds or less and a frictional charge voltage of 40V or less, into a width of 2 to 100 mm and weaving it into the inner layer of a synthetic fiber braid. I can do it.
本発明をさらに詳しく説明する。 The present invention will be explained in more detail.
本発明に適用する静電気中和紙の特異な点は、
前記したように炭素繊維の短繊維、合成繊維の短
繊維および木材パルプの各特定量を配合し、しか
も炭素繊維の短繊維を紙表面に多数突出させ、こ
れによつて半減期が５秒以下で、かつ摩擦帯電圧
が40V以下である静電気特性を付与したことであ
る。 The unique features of the static neutralizing Japanese paper applied to the present invention are:
As mentioned above, specific amounts of short carbon fibers, short synthetic fibers, and wood pulp are blended, and a large number of short carbon fibers are made to protrude from the surface of the paper, so that the half-life is 5 seconds or less. Moreover, it has an electrostatic property with a frictional charging voltage of 40V or less.
すなわち、本発明は、炭素繊維の短繊維を紙表
面から多数突出させたため、該炭素繊維の先端か
らコロナ放電をして静電気を中和するものであ
る。 That is, in the present invention, since a large number of short carbon fibers are protruded from the paper surface, corona discharge is generated from the tips of the carbon fibers to neutralize static electricity.
いま帯電した物体が＋の電荷をもつているとす
ると、この物体を上記の静電気中和紙に近づける
と、上記の静電気中和紙の中の炭素繊維にはこれ
と反対の−の電荷が誘導される。すなわち、帯電
物体の静電気エネルギーを利用してイオンを作
る。上記静電気中和紙に集められた−の電荷が離
れて＋電荷を帯電した部分に向つて移動しコロナ
放電をすると、＋と−の電荷が結合して中和し、
静電気が完全に除去されるのである。実際にはこ
の現象が瞬間的に連続に繰返されて静電気を除去
するのである。 Assuming that the currently charged object has a positive charge, when this object is brought close to the static electricity neutralizing paper, an opposite negative charge will be induced in the carbon fibers in the static electricity neutralizing paper. . In other words, ions are created using the electrostatic energy of a charged object. When the - charges collected on the static electricity neutralizing paper move away and move towards the +-charged area and cause a corona discharge, the + and - charges combine and are neutralized.
Static electricity is completely removed. In reality, this phenomenon is repeated instantaneously and continuously to remove static electricity.
本発明に係る静電気中和紐は、上記した導電性
の素材である特殊な構造の紙を細幅にスリツトと
し、これを組紐の内層に編み込んだことである。 The static electricity neutralizing cord according to the present invention is obtained by cutting a specially structured paper, which is the conductive material described above, into narrow slits and weaving them into the inner layer of a braided cord.
本発明においては、炭素繊維の短繊維含有率は
３〜15重量％とするものであるが、炭素繊維の短
繊維含有率が３重量％未満では目的とする静電気
特性が得られず、15重量％を越えると前記静電気
特性向上の効果が飽和し、特性の向上が見られな
いにも拘らずかつ製造コストが高くなる。 In the present invention, the short fiber content of the carbon fiber is 3 to 15% by weight, but if the short fiber content of the carbon fiber is less than 3% by weight, the desired electrostatic properties cannot be obtained. If it exceeds %, the effect of improving the electrostatic properties is saturated, and the manufacturing cost becomes high even though no improvement in properties is observed.
したがつて炭素繊維の含有量は３ないし15％が
適切な範囲となる。 Therefore, the appropriate range of carbon fiber content is 3 to 15%.
こうした静電気中和紙を２〜100mm巾にスリツ
トしてから組紐機において中心部へ挿入して組紐
にする。外側の繊維は、合成繊維からなるもので
あるが、特にナイロンかポリエステルのフイラメ
ントが好ましい。 This static neutralizing washi paper is slit into a width of 2 to 100 mm and then inserted into the center of a braiding machine to form a braid. The outer fibers are made of synthetic fibers, preferably nylon or polyester filaments.
紐の太さにより挿入する静電気中和紙の巾を決
めることにより適切な静電気中和紐を得ることが
できる。 An appropriate static electricity neutralizing string can be obtained by determining the width of the static electricity neutralizing paper to be inserted depending on the thickness of the string.
上記の炭素繊維の短繊維はアクリロニトリル系
重合体繊維から製造したもので、短繊維度が１〜
5d、繊維長が３〜６mmで、かつ捲縮を有してい
ないものであることが好ましい。 The short carbon fibers mentioned above are manufactured from acrylonitrile polymer fibers and have short fiber counts of 1 to 1.
5d, the fiber length is preferably 3 to 6 mm, and the fiber is preferably free from crimp.
また、上記の炭素繊維の短繊維は均一に分散
し、該短繊維の先端が50／cm2以上紙の表面に突出
しているものである。また、突出長は、紙表面に
すれすれに突出しておればよく、好ましくは0.01
〜1.0mm程度であれば充分である。また、抄紙目
付は50ｇ／m2以下である紙とすることが好まし
い。 Further, the short fibers of the carbon fibers mentioned above are uniformly dispersed, and the tips of the short fibers protrude from the surface of the paper by 50/cm 2 or more. In addition, the protrusion length should just barely protrude from the paper surface, preferably 0.01
~1.0mm is sufficient. Further, it is preferable to use paper having a paper weight of 50 g/m 2 or less.
さらにまた、上記の静電気中和紙を芯部とし、
表層は天然繊維、あるいは合成繊維で構成された
二層構造の紐であるが、上記静電気中和紙は、炭
素繊維の短繊維先端が紙の表面に突出しているた
め、外層の組紐を構成する繊維の間〓や組紐の内
部中空部を介して瞬間的に空中放電し、静電気を
除去することができる。なお、静電気中和紙の損
傷を防止するために本発明においては、静電気中
和紙は組紐の内層に編み込んでおくものである
が、所々表面に出るように編み込むこともでき
る。これによつて使用に際して他の物体と接した
り、人に手に触れる等の場合の静電気中和紙の磨
耗損傷を防止できるものである。たとえば、雨に
ぬれたり、水分を含んだ品物との接触で静電気中
和紙が弱くなることに起因する磨耗による損傷を
防ぐことができるものである。 Furthermore, the above static electricity neutralizing Japanese paper is used as a core part,
The surface layer is a two-layered string made of natural fibers or synthetic fibers, but the above static electricity neutralizing paper has short carbon fiber tips protruding from the surface of the paper, so the fibers that make up the outer layer are Static electricity can be removed by instantaneous air discharge through the gaps and the internal hollow part of the braid. In order to prevent the static electricity neutralizing paper from being damaged, in the present invention, the static electricity neutralizing paper is woven into the inner layer of the braid, but it can also be woven so that it appears on the surface in some places. This prevents the static electricity neutralizing paper from being worn out and damaged when it comes into contact with other objects or comes into contact with people's hands. For example, it is possible to prevent damage due to abrasion caused by electrostatic neutralizing paper weakening due to exposure to rain or contact with items containing moisture.
本発明に適用する静電気中和紙は、炭素繊維の
短繊維３〜15重量％、合成繊維の短繊維20〜70重
量％、残量木材パルプからな混合物を、純粋な湿
式抄紙法によつて目付50ｇ／m2以下に抄紙し、炭
素繊維の短繊維を均一に分散させることによつて
得ることができる。すなわち、炭素繊維、合成繊
維の短繊維、木材パルプを水中に浮かせて、メツ
シユコンベアの上に流し込み、脱水してローラ乾
燥することによつて得ることができる。この場
合、加熱、加圧は行なわないか、または行なつて
も炭素繊維の突出を阻害するような加熱、加圧は
しないようにすることが重要である。 The static electricity neutralizing paper applied to the present invention is produced by a pure wet paper making method using a mixture of 3 to 15% by weight of short carbon fibers, 20 to 70% by weight of short synthetic fibers, and the balance of wood pulp. It can be obtained by making paper to a size of 50 g/m 2 or less and uniformly dispersing short carbon fibers. That is, it can be obtained by floating carbon fibers, short synthetic fibers, and wood pulp in water, pouring them onto a mesh conveyor, dewatering them, and drying them with rollers. In this case, it is important not to apply heat or pressure, or even if it is done, to avoid heating or pressure that would inhibit the protrusion of the carbon fibers.
このような本発明に係る静電気中和紐は、電子
部品、精密電機、フイルム、製紙、繊維の製造
業、印刷業、あるいは電子写真複写紙などの分野
において、静電気が帯電する部分に直接取り付け
て接触させておくことにより、アースなしに静電
気を瞬間に空中放電により中和し、接触する物質
の静電気を除去することができる。 The static electricity neutralizing string according to the present invention can be attached directly to parts charged with static electricity in fields such as electronic parts, precision electrical machinery, film, paper manufacturing, textile manufacturing, printing, and electrophotographic copying paper. By keeping them in contact, static electricity can be instantly neutralized by air discharge without the need for grounding, and the static electricity of the substances in contact can be removed.
図は、本発明に係る静電気中和紐をフイルムな
どの長尺物の製造工程に適用した例を示す平面概
略図である。 The figure is a schematic plan view showing an example in which the static electricity neutralizing string according to the present invention is applied to a manufacturing process for a long object such as a film.
図において、１は、本発明に係る静電気中和紐
であり、該静電気中和紐１は、固定部品２により
固定され、フイルムなどの長尺物３の流れ方向に
垂れ下がらせられ、長尺物３と接触せしめられて
いる。これにより、長尺物３に生じた静電気を静
電気中和紐１を介して空中放電して中和させるの
である。 In the figure, reference numeral 1 denotes a static electricity neutralizing string according to the present invention, and the static electricity neutralizing string 1 is fixed by a fixing component 2 and is suspended in the flow direction of a long object 3 such as a film. It is brought into contact with object 3. As a result, static electricity generated on the long object 3 is discharged into the air via the static electricity neutralizing string 1 and neutralized.
以下、実施例により本発明を詳述する。 Hereinafter, the present invention will be explained in detail with reference to Examples.
実施例
アクリロニトリル系重合体繊維から常法により
製造した炭素繊維の短繊維（1d×６mm）45重量
％、木材パルプ35重量％およびバインダー15重量
％の比率で混合した。この混合物を叩解機を通し
てさらに細断して均一な混合物としたのち、湿式
抄紙法で目付25ｇ／m2を紙を製造した。得られた
紙の静電気特性は半減期０秒、摩擦帯電圧33V、
表面漏洩抵抗2.5×105Ω以下であり、15000Vの静
電気を瞬間的に空中放電して、中和することを確
認した。この紙を巾10mmにスリツトしてから組紐
機にかけポリエステルフイラメント組紐の中へ編
込み、静電気中和紐を作つた。この紐を静電気
10000Vの帯電物に接触させると瞬間的に空中放
電して静電気を中和した。Example 45% by weight of short carbon fibers (1 d x 6 mm) produced from acrylonitrile polymer fibers by a conventional method, 35% by weight of wood pulp, and 15% by weight of a binder were mixed together. This mixture was further shredded through a beating machine to obtain a homogeneous mixture, and then paper with a basis weight of 25 g/m 2 was manufactured by a wet paper making method. The electrostatic properties of the obtained paper include a half-life of 0 seconds, a frictional charging voltage of 33V,
It was confirmed that the surface leakage resistance was less than 2.5×10 5 Ω, and that static electricity of 15,000V was instantaneously discharged into the air and neutralized. This paper was slit to a width of 10 mm, then put through a braiding machine and woven into polyester filament braid to create static electricity neutralizing cord. This string is charged with static electricity.
When it came into contact with a 10,000V charged object, it instantly discharged in the air and neutralized the static electricity.
比較例
アクリルニトリル系重合体繊維から製造した炭
素繊維の短繊維を芯にし、表面ポリエチレンテレ
フタレートの芯鞘型短繊維（1d×６mm）を５重
量％、ポリエチレンテレフタレート繊維の短繊維
（1d×６mm）45重量％、木材パルプ35重量％およ
びバインダー15重量％の比率で混合した。Comparative example Carbon fiber short fibers made from acrylonitrile polymer fibers were used as the core, 5% by weight of core-sheath type short fibers (1d x 6 mm) of polyethylene terephthalate on the surface, and short fibers of polyethylene terephthalate fibers (1d x 6 mm). 45% by weight, 35% by weight of wood pulp and 15% by weight of binder.
この混合物を叩解機を通してさらに細断して均
一な混合物としたのち温式抄紙法で目付25ｇ／m2
の紙を製造した。得られた紙の静電気特性は半減
期8.6秒、摩擦帯電圧65V、表面漏洩抵抗4.8×
1010Ωで実施例１で得られた紙より静電気中和性
が劣るものであつた。この紙を巾10mmにスリツト
してから組紐機にかけポリエステルフイラメント
組紐の中へ編込み、静電気中和紐を作つた。 This mixture was further shredded through a beating machine to make a homogeneous mixture, and then heated to a paper weight of 25 g/m 2.
paper was produced. The electrostatic properties of the obtained paper were a half-life of 8.6 seconds, a frictional charging voltage of 65V, and a surface leakage resistance of 4.8×.
At 10 10 Ω, the static electricity neutralizing property was inferior to that of the paper obtained in Example 1. This paper was slit to a width of 10 mm, then put through a braiding machine and woven into polyester filament braid to create static electricity neutralizing cord.
この紐を静電気10000Vの帯電物に接触させて
も充分に静電気を中和する事は出来ず、5000Vで
あれば、瞬間的に空中放電して静電気を中和し
た。 Even if this string was brought into contact with a charged object with a static electricity of 10,000V, the static electricity could not be neutralized sufficiently, but if it was 5,000V, it would momentarily discharge in the air and neutralize the static electricity.
（効果）
本発明に適用する静電気中和紙は、炭素繊維の
短繊維、合成繊維の短繊維、および木材パルプの
配合量を特定範囲に限定するとともに、均一に抄
紙して得たものであつて、炭素繊維の短繊維が紙
表面に多数突出しているため、半減期が５秒以下
で、かつ摩擦帯電圧が40V以下の静電気特性を有
し、紙状物でありながら、アースする必要がな
く、空中放電によつて、静電気による障害を防止
することができるものである。そして、本発明に
なる静電気中和紐は、上記の静電気中和紙をたと
えばナイロンやポリエステルなどの合成繊維の組
紐の内層に編み込んだだめ、使用に際して他の物
体と接したり、人に手に触れる等の場合の静電気
中和紙の磨耗損傷を防止できるものである。(Effects) The static electricity neutralizing paper applied to the present invention is obtained by limiting the blending amounts of short carbon fibers, short synthetic fibers, and wood pulp to a specific range and uniformly making the paper. Because many short carbon fiber fibers protrude from the surface of the paper, it has electrostatic properties with a half-life of less than 5 seconds and a frictional charge voltage of less than 40V, so there is no need for grounding even though it is a paper-like material. , air discharge can prevent problems caused by static electricity. The static electricity neutralizing string of the present invention is made by weaving the above-mentioned static electricity neutralizing paper into the inner layer of a synthetic fiber braid such as nylon or polyester. This can prevent abrasion and damage to static electricity neutralizing paper.
電子部品、精密電機、フイルム、製紙、繊維の
製造業、印刷業、あるいは電子写真複写紙などの
分野に適用され、可燃性物質の引火による重大災
害発生の危険性を有する静電気を中和し、静電気
による障害のために引起される故障、能率低下、
火災、爆発、放電光と音による不快感などを防ぐ
ことができると共に、電気障害防止として適用さ
れ、精密計測機の破損、誤差の防止、通信妨害、
不良品の発生防止、電子装置の雑音を防止できる
という優れた作用効果を奏する。 It is applied to fields such as electronic parts, precision electrical machinery, film, paper, textile manufacturing, printing, and electrophotographic copying paper, and neutralizes static electricity that poses a risk of serious disasters due to ignition of flammable materials. failures, inefficiencies caused by electrostatic disturbances,
It can prevent fires, explosions, and discomfort caused by discharged light and sound, and can also be used to prevent electrical disturbances, prevent damage to precision measuring instruments, prevent errors, and prevent communication interference.
It has excellent effects in that it can prevent the occurrence of defective products and noise in electronic devices.
図は、本発明に係る静電気中和紐をフイルムな
どの長尺物の製造工程に適用した例を示す平面概
略図である。
１：静電気中和紐、２：静電気中和紐固定部
品、３：フイルムなどの長尺物。
The figure is a schematic plan view showing an example in which the static electricity neutralizing string according to the present invention is applied to a manufacturing process for a long object such as a film. 1: Static electricity neutralizing string, 2: Static electricity neutralizing string fixing part, 3: Long object such as film.
Claims (1)
短繊維20〜70重量％、および残部木材パルプから
なり、上記炭素繊維の短繊維が均一に分散し、そ
の先端が50本／cm2以上紙の表面に突出していると
ともに、半減期が５秒以下、摩擦帯電圧が40V以
下である静電気中和紙を、２〜100mmの巾にスリ
ツトして、合成繊維からなる組紐の内層へ編込ん
だことを特徴とする静電気中和紐。1 Consisting of 3 to 15% by weight of carbon fiber short fibers, 20 to 70% by weight of synthetic fiber short fibers, and the balance wood pulp, the above carbon fiber short fibers are uniformly dispersed, and the tips thereof are 50 fibers/cm 2 Static neutralizing Japanese paper that protrudes from the surface of the paper, has a half-life of 5 seconds or less, and has a frictional charge voltage of 40V or less is slit into a width of 2 to 100 mm and woven into the inner layer of a synthetic fiber braid. A static electricity neutralizing cord that is characterized by a
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18591086A JPS6342949A (en) | 1986-08-07 | 1986-08-07 | Static electricity neutralizing string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18591086A JPS6342949A (en) | 1986-08-07 | 1986-08-07 | Static electricity neutralizing string |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6342949A JPS6342949A (en) | 1988-02-24 |
| JPH0370027B2 true JPH0370027B2 (en) | 1991-11-06 |
Family
ID=16179018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18591086A Granted JPS6342949A (en) | 1986-08-07 | 1986-08-07 | Static electricity neutralizing string |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6342949A (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4971891A (en) * | 1972-11-11 | 1974-07-11 | ||
| JPS54105496A (en) * | 1978-02-06 | 1979-08-18 | Nippon Kayaku Kk | Selffdischarge type static eliminator |
-
1986
- 1986-08-07 JP JP18591086A patent/JPS6342949A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6342949A (en) | 1988-02-24 |
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