JPH0430Y2 - - Google Patents

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Publication number
JPH0430Y2
JPH0430Y2 JP1984116502U JP11650284U JPH0430Y2 JP H0430 Y2 JPH0430 Y2 JP H0430Y2 JP 1984116502 U JP1984116502 U JP 1984116502U JP 11650284 U JP11650284 U JP 11650284U JP H0430 Y2 JPH0430 Y2 JP H0430Y2
Authority
JP
Japan
Prior art keywords
quartz
oligomer
ionic
image guide
quartz tube
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
Application number
JP1984116502U
Other languages
Japanese (ja)
Other versions
JPS6134102U (en
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 filed Critical
Priority to JP1984116502U priority Critical patent/JPS6134102U/en
Publication of JPS6134102U publication Critical patent/JPS6134102U/en
Application granted granted Critical
Publication of JPH0430Y2 publication Critical patent/JPH0430Y2/ja
Granted legal-status Critical Current

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Description

【考案の詳細な説明】 [産業上の利用分野] 本考案は耐曲げ性の向上を図つた石英系のイメ
ージガイドに関する。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a quartz-based image guide with improved bending resistance.

[従来の技術] 石英系のイメージガイドは、伝送損失が少な
く、耐熱性・耐放射線性に優れているため、長尺
を必要とする用途や原子炉・溶鉱炉等の高温部・
放射線下などの悪い環境において使用されてい
る。
[Conventional technology] Quartz-based image guides have low transmission loss and excellent heat resistance and radiation resistance, so they are suitable for applications that require long lengths and high-temperature areas such as nuclear reactors and blast furnaces.
It is used in harsh environments such as under radiation.

一般に、石英系のイメージガイドは、石英管中
に多数の石英フアイバ素線を稠密状態で配列した
母材を線引して融着一体化した後、微小な表面の
傷によつて損傷し易い石英管の外周面にシリコー
ン樹脂を被覆し保護強化している。
In general, quartz-based image guides are easily damaged by minute scratches on the surface after they are drawn and fused together from a base material in which a large number of quartz fiber wires are densely arranged in a quartz tube. The outer circumferential surface of the quartz tube is coated with silicone resin for added protection.

[考案が解決しようとする問題点] ところが、シリコーン樹脂は機械的強度が小さ
いばかりでなく摩擦係数が大きい。このため、上
記シリコーン樹脂を被覆したイメージガイドで
は、狭隘部、管路等で曲げられて用いられる場
合、シリコーン樹脂の被覆層が摩耗して石英管が
損傷し、イメージガイドが破断するおそれがあつ
た。
[Problems to be solved by the invention] However, silicone resin not only has a low mechanical strength but also a high coefficient of friction. For this reason, when the image guide coated with silicone resin is bent and used in a narrow space, conduit, etc., there is a risk that the silicone resin coating layer will wear out, damaging the quartz tube, and causing the image guide to break. Ta.

[考案の目的] 本考案は以上の従来の問題点を有効に解決すべ
く創案されたものであり、本考案の目的は耐曲げ
性が高い石英系のイメージガイドを提供すること
にある。
[Purpose of the invention] The present invention was devised to effectively solve the above-mentioned conventional problems, and the purpose of the present invention is to provide a quartz-based image guide with high bending resistance.

[考案の概要] 本考案は、第1図に示す如く、光学像を伝送す
べく規則的に束ねた状態で配列された石英フアイ
バ素線1と、これら石英フアイバ素線1を収納す
る石英管2と、石英管2の外周に形成されたイオ
ン性オリゴマの硬化物の被覆層3とを備えてなる
イメージガイドである。
[Summary of the invention] As shown in Fig. 1, the present invention consists of quartz fiber wires 1 arranged in a regularly bundled state to transmit an optical image, and a quartz tube that houses these quartz fiber wires 1. 2, and a coating layer 3 of a cured ionic oligomer formed on the outer periphery of the quartz tube 2.

石英フアイバ素線1は、ドーパント(Geなど)
を含む石英(または純粋石英)製のコアと、これ
より屈折率が小さくコア外周を包む純粋石英(ま
たはドーパント(B,Fなど)を含む石英)製の
クラツドとからなる。なお石英フアイバ素線1
は、コア部の屈折率が一定なステツプインデツク
ス型でも、また屈折率がコアの半径に対して緩や
かに変化するグレーデツドインデツクス型(GI
型)でもよい。更に、石英フアイバ素線1の断面
形状は、円形に限らず、矩形、六角形などでもよ
い。また、石英フアイバ素線1を収納する石英管
2も円筒に限らず矩形管などでもよい。
The quartz fiber wire 1 is doped with a dopant (Ge, etc.)
The core is made of quartz (or pure quartz) and has a lower refractive index than the core, and a cladding made of pure quartz (or quartz containing dopants (B, F, etc.)) that surrounds the outer periphery of the core. Note that quartz fiber wire 1
The refractive index can be either a step index type, in which the refractive index of the core is constant, or a graded index type, in which the refractive index changes gradually with respect to the radius of the core.
type) is also acceptable. Furthermore, the cross-sectional shape of the quartz fiber wire 1 is not limited to a circle, but may be rectangular, hexagonal, or the like. Further, the quartz tube 2 that houses the quartz fiber wire 1 is not limited to a cylinder, but may be a rectangular tube or the like.

イメージガイドの製造にあたつては、まず、石
英フアイバ素線1を石英管2中に多数本、稠密に
配列し、これを一括線引して融着一体化する。次
いで、石英管2の外周にイオン性オリゴマの硬化
物からなる被覆層3を形成する。
In manufacturing the image guide, first, a large number of quartz fiber wires 1 are densely arranged in a quartz tube 2, and then drawn all at once and fused and integrated. Next, a coating layer 3 made of a cured ionic oligomer is formed on the outer periphery of the quartz tube 2.

イオン性オリゴマは次のような構造を有する。 The ionic oligomer has the following structure.

B,X,Y ここで、Xは求電子的な基でF,Cl,Br,
OSO3,SO2,CH3などが該当し、Yは加水分解
可能な基でCOOH,OH,NH,SHなどである。
またBは反応性原子団でNCO,−CH=CH2など
が該当し、〓で表わされる部分は反応性イオンオ
リゴマの主鎖で、例えばウレタン、ウレタン−ア
クリル、エステル、アクリル、シリコーン−アク
リル等の重合体である。
B, X, Y Here, X is an electrophilic group such as F, Cl, Br,
Examples include OSO 3 , SO 2 , CH 3 , etc., and Y is a hydrolyzable group such as COOH, OH, NH, SH, etc.
B is a reactive atomic group such as NCO, -CH= CH2, etc., and the part represented by 〓 is the main chain of a reactive ion oligomer, such as urethane, urethane-acrylic, ester, acrylic, silicone-acrylic, etc. It is a polymer of

イオン性オリゴマに含まれるイオン基は分散剤
または可溶化剤として働く。このため、イオン性
オリゴマは界面活性剤を用いることなく水性エマ
ルジヨンとなる。このイオン性オリゴマの水性エ
マルジヨンを石英管2の外周に被覆した後、加熱
すると、水が蒸発ないし飛散して石英管2外周に
イオン性オリゴマの硬化物の被覆層3ができる。
The ionic groups contained in ionic oligomers act as dispersants or solubilizers. Therefore, the ionic oligomer becomes an aqueous emulsion without using a surfactant. After the aqueous emulsion of the ionic oligomer is coated on the outer periphery of the quartz tube 2, when it is heated, water evaporates or scatters, and a coating layer 3 of a cured ionic oligomer is formed on the outer periphery of the quartz tube 2.

本考案の被覆層を形成するイオン性オリゴマは
上記イオン基の働きで水性エマルジヨンとなるも
のならばよく、上記のものに限定されない。イオ
ン性オリゴマとしては、反応性イオンオリゴマの
主鎖がウレタン−アクリル、シリコーン−アクリ
ルであるウレタン−アクリル系、シリコーン−ア
クリル系のオリゴマが特に好ましい。
The ionic oligomer forming the coating layer of the present invention is not limited to those mentioned above, as long as it forms an aqueous emulsion due to the action of the ionic groups mentioned above. As the ionic oligomer, urethane-acrylic and silicone-acrylic oligomers in which the main chain of the reactive ionic oligomer is urethane-acrylic or silicone-acrylic are particularly preferred.

イオン性オリゴマの水性エマルジヨンはそのま
ま使用してもよいし、必要に応じて増粘剤、着色
剤あるいは水と混合可能な有機溶剤例えばアルコ
ール等を加えて使用してもよい。また、これらの
塗料は、イメージガイドの石英管2の外周に直接
塗布してもよいし、あるいは他の被覆材例えばフ
エニル変性シリコーン、エポキシ樹脂、紫外線硬
化樹脂等で石英管2外周を被覆した上に塗布する
ようにしてもよい。
The aqueous emulsion of the ionic oligomer may be used as it is, or if necessary, a thickener, a coloring agent, or an organic solvent miscible with water, such as alcohol, may be added thereto. These paints may be applied directly to the outer periphery of the quartz tube 2 of the image guide, or the outer periphery of the quartz tube 2 may be coated with other coating materials such as phenyl-modified silicone, epoxy resin, ultraviolet curing resin, etc. It may be applied to.

イオン性オリゴマエマルジヨンを塗布した後の
加熱は電気炉等の高温雰囲気を通過させればよ
く、その際、水は気化ないし飛散しイオン性オリ
ゴマは硬化する。
After applying the ionic oligomer emulsion, heating may be carried out by passing it through a high temperature atmosphere such as an electric furnace. At that time, water is vaporized or scattered and the ionic oligomer is hardened.

[考案の効果] 本考案のイメージガイドでは石英管の外周をイ
オン性オリゴマの硬化物で被覆しているが、イオ
ン性オリゴマの硬化物は強靱で表面平滑性に優
れ、耐摩耗性に富んでいる。このため、石英層を
有効に保護強化することができ、イメージガイド
の耐曲げ性・信頼性を向上できる。また、イオン
性オリゴマは水性エマルジヨンであるため、加熱
乾燥工程においては水が飛散するのみであり、環
境汚染の問題がない。更に簡易に被覆することが
でき安価に提供することができる。
[Effects of the invention] In the image guide of this invention, the outer periphery of the quartz tube is coated with a cured product of ionic oligomer, which is tough, has excellent surface smoothness, and is highly wear resistant. There is. Therefore, the quartz layer can be effectively protected and strengthened, and the bending resistance and reliability of the image guide can be improved. Furthermore, since the ionic oligomer is an aqueous emulsion, only water is scattered during the heating and drying process, so there is no problem of environmental pollution. Furthermore, it can be coated easily and can be provided at low cost.

[実施例] 以下に本考案の実施例および応用例を示す。[Example] Examples and application examples of the present invention are shown below.

実施例 1 ゲルマニウムをドーパントとして用いた石英コ
アの周囲に純粋石英のクラツドを施した石英フア
イバ素線を石英管中に稠密に10000本配列し、こ
れを線引炉で外径が1.5mmになるように線引きし
た。次いで、この線引後の石英管外周上にシリコ
ーン−アクリル系イオン性オリゴマエマルジヨン
(ポリメリツクス社製 SAP−110)を膜厚20μm
に被覆した後、これを温度300℃の電気炉を通過
させて焼付け硬化させた。
Example 1 10,000 quartz fibers made of a quartz core with germanium as a dopant and a cladding of pure quartz are arranged densely in a quartz tube, and the wires are drawn in a drawing furnace to an outer diameter of 1.5 mm. I drew a line like that. Next, a silicone-acrylic ionic oligomer emulsion (SAP-110 manufactured by Polymerics) was applied to a thickness of 20 μm on the outer periphery of the quartz tube after drawing.
After coating, this was passed through an electric furnace at a temperature of 300°C to harden it by baking.

このようにして製造したイメージガイドの長さ
1mの試験片10本について次の曲げ試験を行なつ
たが10本とも全て破断しなかつた。
The following bending test was performed on 10 test pieces of the image guide having a length of 1 m thus manufactured, but none of the 10 pieces broke.

曲げ試験 被覆したイメージガイドから長さ1mの試験片
を採取し、各試験片を外径200mmのマンドレルの
外周に沿わせて曲げた。試料数、10本について試
験し破断の有無を調べた。
Bending Test A 1 m long test piece was taken from the coated image guide, and each test piece was bent along the outer periphery of a mandrel with an outer diameter of 200 mm. Ten samples were tested and the presence or absence of breakage was investigated.

実施例 2 純粋石英コアの周囲にホウ素、フツ素をドーパ
ントとして添加した石英をクラツドとした構造の
石英フアイバ素線を石英管中に稠密に10000本配
列し、これを線引炉にて外径1.5mmになるように
線引した。次いで、この線引した石英管外周上に
ウレタン−アクリル系イオン性オリゴマエマルジ
ヨン(ポリメリツクス社製UAPO60)を膜厚20μ
mになるように被覆した後、これを温度300℃の
電気炉を通過させて焼付け硬化させた。
Example 2 10,000 quartz fibers having a structure in which the quartz cladding is doped with boron and fluorine as dopants around a pure quartz core are arranged densely in a quartz tube, and the outer diameter is reduced in a drawing furnace. The line was drawn to be 1.5mm. Next, a 20μ thick film of urethane-acrylic ionic oligomer emulsion (UAPO60 manufactured by Polymerics) was applied to the outer periphery of the drawn quartz tube.
After coating the film to a thickness of m, it was baked and hardened by passing through an electric furnace at a temperature of 300°C.

このようにして得られたイメージガイドを実施
例1と同様に曲げ試験を行なつた結果、10本とも
全く破断しなかつた。
The image guides thus obtained were subjected to a bending test in the same manner as in Example 1, and as a result, none of the 10 guides broke.

実施例 3 実施例1と同一構成の石英フアイバ素線および
石英管を線引きした後、フエニル変性シリコーン
ゴムを厚さ30μmになるように被覆し、温度300
℃の電気炉を通過させて焼付け硬化させた。次い
で、シリコーン−アクリル系イオン性オリゴマ
(SAP−110)を厚さが20μmになるように被覆
し、温度300℃の電気炉を通過させて焼付け硬化
させた。
Example 3 After drawing a quartz fiber wire and a quartz tube having the same structure as in Example 1, they were coated with phenyl-modified silicone rubber to a thickness of 30 μm and heated at a temperature of 300 μm.
It was baked and hardened by passing through an electric furnace at ℃. Next, a silicone-acrylic ionic oligomer (SAP-110) was coated to a thickness of 20 μm, and baked and hardened by passing through an electric furnace at a temperature of 300°C.

このようにして得られたイメージガイドを実施
例1と同様に曲げ試験を行なつた結果、10本とも
全く破断しなかつた。
The image guides thus obtained were subjected to a bending test in the same manner as in Example 1, and as a result, none of the 10 guides broke.

応用例 イオン性オリゴマはイメージガイドだけではな
く、通常の石英フアイバの被覆材料としても使用
できる。例えば、GI型の石英フアイバ(外径
125μm)の外側にウレタン−アクリル系イオン
性オリゴマ(UAPO60)を厚さ20μmに被覆し、
これを温度500℃の電気炉を通過させて硬化した。
このように製造したものの伝送損失は通常のシリ
コーン樹脂の場合と何ら変わることがなく、引張
強さも次の引張試験の結果より平均5.5Kgと良好
であつた。
Application Examples Ionic oligomers can be used not only as image guides but also as coating materials for regular quartz fibers. For example, GI type quartz fiber (outer diameter
125μm) coated with urethane-acrylic ionic oligomer (UAPO60) to a thickness of 20μm,
This was passed through an electric furnace at a temperature of 500°C to harden it.
The transmission loss of the product manufactured in this manner was no different from that of ordinary silicone resin, and the tensile strength was also good at an average of 5.5 kg, as shown by the results of the following tensile test.

引張試験 インストロン型引張試験機に被覆フアイバをゲ
ージ長さ300mmにして取付け、引張速さ100mm/
minで引張し破断する荷重を求めた。試料数、30
本の平均値から引張強さを求めた。
Tensile test The coated fiber was mounted on an Instron type tensile tester with a gauge length of 300 mm, and the tensile speed was 100 mm/
The load at which the specimen was pulled and broke was calculated at min. Number of samples, 30
Tensile strength was determined from the average value of the books.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案に係るイメージガイドの一実施
例を示す横断面図である。 図中、1は石英フアイバ素線、2は石英管、3
はイオン性オリゴマの硬化物の被覆層である。
FIG. 1 is a cross-sectional view showing an embodiment of the image guide according to the present invention. In the figure, 1 is a quartz fiber wire, 2 is a quartz tube, and 3
is a coating layer of a cured product of an ionic oligomer.

Claims (1)

【実用新案登録請求の範囲】 (1) 光学像を伝送すべく規則的に束ねて配列され
た石英フアイバ素線を収納した石英管の外周
に、イオン性オリゴマの硬化物の被覆層を形成
したことを特徴とするイメージガイド。 (2) 上記イオン性オリゴマがウレタン−アクリル
系オリゴマである実用新案登録請求の範囲第1
項記載のイメージガイド。 (3) 上記イオン性オリゴマがシリコーン−アクリ
ル系オリゴマである実用新案登録請求の範囲第
1項記載のイメージガイド。
[Claims for Utility Model Registration] (1) A coating layer of a cured ionic oligomer is formed on the outer periphery of a quartz tube housing quartz fiber wires arranged in regular bundles to transmit optical images. An image guide featuring: (2) Claim No. 1 for Utility Model Registration in which the ionic oligomer is a urethane-acrylic oligomer.
Image guide described in section. (3) The image guide according to claim 1, wherein the ionic oligomer is a silicone-acrylic oligomer.
JP1984116502U 1984-07-31 1984-07-31 image guide Granted JPS6134102U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984116502U JPS6134102U (en) 1984-07-31 1984-07-31 image guide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984116502U JPS6134102U (en) 1984-07-31 1984-07-31 image guide

Publications (2)

Publication Number Publication Date
JPS6134102U JPS6134102U (en) 1986-03-01
JPH0430Y2 true JPH0430Y2 (en) 1992-01-06

Family

ID=30675446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984116502U Granted JPS6134102U (en) 1984-07-31 1984-07-31 image guide

Country Status (1)

Country Link
JP (1) JPS6134102U (en)

Also Published As

Publication number Publication date
JPS6134102U (en) 1986-03-01

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