JPS6370210A - Coated optical fiber - Google Patents
Coated optical fiberInfo
- Publication number
- JPS6370210A JPS6370210A JP61214011A JP21401186A JPS6370210A JP S6370210 A JPS6370210 A JP S6370210A JP 61214011 A JP61214011 A JP 61214011A JP 21401186 A JP21401186 A JP 21401186A JP S6370210 A JPS6370210 A JP S6370210A
- Authority
- JP
- Japan
- Prior art keywords
- curing
- resin
- optical fiber
- photo initiator
- coated optical
- 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
- 239000013307 optical fiber Substances 0.000 title claims description 19
- 239000011347 resin Substances 0.000 claims abstract description 24
- 229920005989 resin Polymers 0.000 claims abstract description 24
- 239000003086 colorant Substances 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 4
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 3
- 125000003118 aryl group Chemical group 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract 2
- 239000001257 hydrogen Substances 0.000 claims abstract 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract 2
- 239000011247 coating layer Substances 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 abstract description 4
- 239000000178 monomer Substances 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000003999 initiator Substances 0.000 abstract 5
- 238000003848 UV Light-Curing Methods 0.000 abstract 3
- 238000001723 curing Methods 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- OXBLVCZKDOZZOJ-UHFFFAOYSA-N 2,3-Dihydrothiophene Chemical class C1CC=CS1 OXBLVCZKDOZZOJ-UHFFFAOYSA-N 0.000 description 3
- 239000005062 Polybutadiene Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920002857 polybutadiene Polymers 0.000 description 3
- DLEWDCPFCNLJEY-UHFFFAOYSA-N 1-morpholin-4-ylpropan-1-one Chemical compound CCC(=O)N1CCOCC1 DLEWDCPFCNLJEY-UHFFFAOYSA-N 0.000 description 2
- VSHMCEJCHYPYDU-UHFFFAOYSA-N 2-morpholin-4-ylpropanal Chemical compound O=CC(C)N1CCOCC1 VSHMCEJCHYPYDU-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical compound C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 239000011342 resin composition Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- -1 benzyl dimethyl ketal Chemical compound 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000005387 chalcogenide glass Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012681 fiber drawing Methods 0.000 description 1
- 239000005383 fluoride glass Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- UFUASNAHBMBJIX-UHFFFAOYSA-N propan-1-one Chemical compound CC[C]=O UFUASNAHBMBJIX-UHFFFAOYSA-N 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野１
本発明は被覆光ファイバに係り、特に紫外線硬化樹脂を
被覆してなる光ファイバに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application 1] The present invention relates to a coated optical fiber, and particularly to an optical fiber coated with an ultraviolet curing resin.
［従来の技術］
紫外線硬化樹脂は高速硬化性に優れると共にガラスの伝
送特性を損うＲ２を発生しにくいという性質を有してい
るので、光伝送用ガラス光ファイバの被覆材として多用
されている。この紫外線硬化樹脂の代表例として、ウレ
タンアクリレート、ポリブタジェンアクリレート、エポ
キシアクリレート、シリコーンアクリレート、チオール
−エン化合物等が挙げられるが、さらにこれらのオリゴ
マ（低重合体）に反応性モノマや光開始剤を添加した樹
脂が使用されている。[Prior Art] Ultraviolet curable resins have excellent high-speed curing properties and do not easily generate R2, which impairs the transmission characteristics of glass, so they are often used as coating materials for glass optical fibers for optical transmission. . Typical examples of this ultraviolet curable resin include urethane acrylate, polybutadiene acrylate, epoxy acrylate, silicone acrylate, and thiol-ene compounds, but these oligomers (low polymers) may also contain reactive monomers and photoinitiators. A resin with added is used.
ここで、光開始剤は光のエネルギーによりラジカル（遊
離基）を生成し、重合反応を開始させる作用を有するも
のである。Here, the photoinitiator has the effect of generating radicals (free radicals) using the energy of light and initiating a polymerization reaction.
［発明が解決しようとする問題点］
ところで、光ケーブルの多芯化が進むにつれて識別のた
めに各光ファイバの被覆層に着色剤を添加することが望
まれるようになってきた。[Problems to be Solved by the Invention] As the number of fibers in optical cables increases, it has become desirable to add a coloring agent to the coating layer of each optical fiber for identification purposes.
しかしながら、一般に着色剤は光開始剤が反応する波長
３００ｎｍ付近の紫外線を吸収する特性を有しているの
で、光開始剤を含有する紫外線硬化樹脂に着色剤を添加
すると、樹脂の高速硬化性が損われ、このため製造ライ
ンの速度を低下せざるを得ないという問題があった。However, colorants generally have the property of absorbing ultraviolet light with a wavelength of around 300 nm, which photoinitiators react with, so adding a colorant to an ultraviolet curable resin containing a photoinitiator can improve the resin's high-speed curing properties. Therefore, there was a problem in that the speed of the production line had to be reduced.
かくして、本発明の目的は上記従来技術の問題点を解消
し、紫外線硬化樹脂からなる被覆層を有しながらも生産
性の向上を図ることができる被覆光ファイバを提供する
ことにある。SUMMARY OF THE INVENTION It is thus an object of the present invention to provide a coated optical fiber that solves the problems of the prior art described above and can improve productivity even though it has a coating layer made of an ultraviolet curable resin.
［問題点を解決するための手段］
本発明の被覆光ファイバは上記目的を達成するために、
その外周部に紫外線硬化樹脂からなる被覆層を有する光
伝送用ガラス光ファイバにおいて、上記紫外線硬化樹脂
が光開始剤として次の一般式で表わされる化合物を含有
するものである。[Means for solving the problems] In order to achieve the above object, the coated optical fiber of the present invention has the following features:
In a glass optical fiber for light transmission having a coating layer made of an ultraviolet curable resin on its outer periphery, the ultraviolet curable resin contains a compound represented by the following general formula as a photoinitiator.
ここで、Ｒ＋ 、Ｒ２、Ｒ３はそれぞれ１１．アルキル
基、アリール（ａｒｙｌ）基を表わす。Here, R+, R2, and R3 are each 11. Represents an alkyl group or an aryl group.
［作 用］
本発明の特長をなす光開始剤の代表例は２−メタル−１
−［４−（メチルチオ）フェニルクー２−モルフォリノ
−プロパン−１−オンであり例えばＣ１ｂａ−Ｇ ｅｉ
ｇｙ社のＩ ｒＯａｃｕｒｅ９０７が該当し、次のよう
な化学構造を有している。[Function] A typical example of the photoinitiator that is a feature of the present invention is 2-metal-1.
-[4-(methylthio)phenylcou 2-morpholino-propan-1-one, such as C1ba-Gei
IrOacure 907 from Gy Co., Ltd. corresponds to this, and has the following chemical structure.
Ｈ３
この光開始剤は波長３００ｎｍ付近に大きな吸収帯を有
するので、着色剤によって影響されずに樹脂の高速硬化
を促すことができる。H3 Since this photoinitiator has a large absorption band around a wavelength of 300 nm, it can promote rapid curing of the resin without being affected by the colorant.
なお、光開始剤の添加伍は使用するオリゴマ。The addition of the photoinitiator depends on the oligomer used.
反応性モノマ、＠色剤等の種類と旦によって異なるが、
その効果を最大限に発揮させるためには紫外線硬化樹脂
組成物中に０．０５〜１０重量％程度添加することが好
ましい。さらに、他の光開始剤や増感助剤を併用しても
何ら問題はない。It varies depending on the type of reactive monomer, coloring agent, etc., but
In order to maximize its effect, it is preferable to add about 0.05 to 10% by weight to the ultraviolet curable resin composition. Furthermore, there is no problem even if other photoinitiators and sensitizing aids are used in combination.
また、本発明で用いた光開始剤は着色しない紫外線硬化
樹脂に適用する場合においても有効である。Furthermore, the photoinitiator used in the present invention is also effective when applied to uncolored ultraviolet curable resins.
紫外線硬化樹脂組成物の主成分としては周知のウレタン
アクリレート、ポリブタジェンアクリレート、エポキシ
アクリレート、シリコーンアクリレート、チオール−エ
ン型シリコーン、チオール−エン型非シリコーン、含フ
ツ素樹脂、ポリカーボネートアクリレート等が挙げられ
るが、紫外線によって硬化し得るものであればこれらに
限定されるものではない。Main components of the ultraviolet curable resin composition include well-known urethane acrylate, polybutadiene acrylate, epoxy acrylate, silicone acrylate, thiol-ene type silicone, thiol-ene type non-silicone, fluorine-containing resin, polycarbonate acrylate, etc. However, the material is not limited to these as long as it can be cured by ultraviolet rays.
本発明の紫外線硬化樹脂はガラスに直接被覆する一次被
覆及びその外周部に形成する二次被覆はもとより、一層
のみからなる被覆や三層以上の被覆にも適用される。ま
た、複数の素線を一括して被覆するテープ型ユニット、
撚合せユニット、走水防止コンパウンド等にも適用され
る。さらに、プラスチッククラッド用の紫外線硬化樹脂
やイメージガイド及びライトガイド用の紫外線硬化樹脂
も該当する。また、この他クリヤな被覆の表面の一部も
しくは全面に塗布する紫外線硬化型の着色インキをも含
むものである。The ultraviolet curing resin of the present invention can be applied not only to a primary coating directly applied to glass and a secondary coating formed on the outer periphery of the glass, but also to coatings consisting of only one layer and coatings of three or more layers. We also offer tape-type units that cover multiple wires at once.
It is also applied to twisting units, anti-water running compounds, etc. Furthermore, ultraviolet curing resins for plastic cladding and ultraviolet curing resins for image guides and light guides also fall under this category. In addition, it also includes an ultraviolet curing colored ink that is applied to a part or the entire surface of the clear coating.
光伝送用ガラス光ファイバには純粋石英ガラス。Pure silica glass is used for glass optical fibers for optical transmission.
ドーパントを含む石英ガラス、多成分ガラス、カルコゲ
ナイドガラス、フッ化物ガラス等あらゆるガラスファイ
バ材料からなる光ファイバが該当する。Optical fibers made of any glass fiber material such as dopant-containing quartz glass, multicomponent glass, chalcogenide glass, fluoride glass, etc. are applicable.
［実施例］ 以下、本発明の詳細な説明する。[Example] The present invention will be explained in detail below.
（実施例１）
第１図に示すように外径１２５１ＩＩＲに線引されたマ
ルチモード型石英ガラスファイバ１にウレタン７クリレ
ートを主体とする組成物［） ｅｓｏｌ １ｔｅ９５０
Ｙ０７５（日本合成ゴム株式会社製、硬化物の温度２
５℃でのヤング率＝ ０．２２ Ｋ！Ｊ／ｍ２）を外径
が２５０卯になるように被覆して直ちに紫外線硬化（フ
ユージュン社製１２０Ｗ ／ ｅｘ 、 Ｈバルブ）し
、これを−次被覆層２とした。その後、光開始剤として
２−メチル−１−［４−（メチルチオ）フェニルクー２
−モルフォリノ−プロパン−１−オンを５重量％、着色
剤として酸化チタンを２重量％含有するウレタンアクリ
レート組成物（硬化物の温度２５℃でのヤング率−５０
に９ ／ ｍ ’ ）を外径３００＊ニまで被覆し、直
ちに紫外線硬化（フユージュン社製１２０Ｗ／ｎ、Ｄバ
ルブ）してこれを着色二次被覆層３とした。このとき、
ライン速度を１５０７ＦＬ ／１ｎとした。(Example 1) As shown in FIG. 1, a composition mainly composed of urethane 7 acrylate was applied to a multimode quartz glass fiber 1 drawn to an outer diameter of 1251IIR [) esol 1te950
Y075 (manufactured by Japan Synthetic Rubber Co., Ltd., temperature of cured product 2
Young's modulus at 5°C = 0.22 K! J/m2) was coated with an outer diameter of 250 μm and immediately cured with ultraviolet light (120 W/m2, manufactured by Fuyujun Co., Ltd., H bulb), and this was used as the second coating layer 2. Thereafter, 2-methyl-1-[4-(methylthio)phenylcou2] was used as a photoinitiator.
- Urethane acrylate composition containing 5% by weight of morpholino-propan-1-one and 2% by weight of titanium oxide as a colorant (Young's modulus at 25°C of cured product -50
9/m') was coated to an outer diameter of 300*d, and immediately cured with ultraviolet light (120 W/n, D Bulb, manufactured by Fuyujun Co., Ltd.) to form a colored secondary coating layer 3. At this time,
The line speed was 1507FL/1n.
このようにして得られた被覆光ファイバの伝送特性を測
定したところ極めて良好な結果を示し、引張強度も平均
６．０Ｋｇと良好であった。また、温度２００℃で１０
時間加熱した後、再び伝送特性を測定したが、波長１．
２４ ／Ｊ及び１．４１ｍにおける＋１２に起因する損
失増は認められなかった。When the transmission characteristics of the thus obtained coated optical fiber were measured, the results were very good, and the tensile strength was also good with an average of 6.0 kg. Also, at a temperature of 200℃, 10
After heating for a time, the transmission characteristics were measured again, but the wavelength was 1.
No increase in loss due to +12 at 24/J and 1.41 m was observed.
（実施例２）
第２図に示すように外径１２５＃に線引されたマルチモ
ード型石英ガラスファイバ１に光開始剤として２−メチ
ル−１−［４−（メチルチオ）フェニル］−２−モルフ
ォリノ−プロパン−１−オンを３重量％含むポリブタジ
ェンアクリレート組成物（硬化物の温度２５℃でのヤン
グ率＝ ０．２に９７Ｍ１２）を外径が３００ＪＪＩＲ
になるように被覆して直ちに紫外線硬化（フユージュン
社製１２０Ｗ ／ ａｍ 、 Ｄバルブ〉し、これを−
次被覆層２とした。さらに、その外周部に光開始剤とし
て２−メチル−１−［４−（メチルチオ）フェニル］−
２−モルフォリノ−プロパン−１−オンを５重量％含有
するウレタンアクリレート組成物（硬化物の温度２５℃
でのヤング率＝５ＯＮｇ／ｍ２）を外径６００μｓまで
被覆し、紫外線硬化（フユージュン社製１２０Ｗ７／ｃ
！！１、Ｈバルブ）してこれを透明二次被覆層４とした
。(Example 2) As shown in FIG. 2, 2-methyl-1-[4-(methylthio)phenyl]-2- A polybutadiene acrylate composition containing 3% by weight of morpholino-propan-1-one (Young's modulus of the cured product at 25°C = 0.2 to 97M12) was prepared with an outer diameter of 300JJIR.
Coat it so that it becomes like this, immediately cure it with ultraviolet light (120W/am, D bulb manufactured by Fuyujun), and then
The next coating layer was 2. Furthermore, 2-methyl-1-[4-(methylthio)phenyl]-
Urethane acrylate composition containing 5% by weight of 2-morpholino-propan-1-one (temperature of cured product: 25°C)
Young's modulus at
! ! 1, H bulb), and this was used as the transparent secondary coating layer 4.
さらに、その外周部に着色剤としてカーボンブラックを
０．５ｆｆｉ １％、光開始剤として２−メチル−１−
［４−（メチルチオ）フェニル］−２−モルフォリノ−
プロパン−１−オンを５重分％含有するウレタンアクリ
レート組成物（硬化物の温度２５℃でのヤング率＝５０
Ｋｓｌ順２ ）を外径が９００−になるように被覆し、
これを紫外線硬化（フユージュン社製１２０Ｗ ／α、
Ｄバルブ）して着色二次被覆層３とした。このとき、ラ
イン速度を１５０７７１／１ｎとした。Furthermore, 0.5ffi 1% of carbon black was added as a coloring agent to the outer periphery, and 2-methyl-1-
[4-(methylthio)phenyl]-2-morpholino-
Urethane acrylate composition containing 5% by weight of propan-1-one (Young's modulus at 25°C of cured product = 50
Ksl order 2) was coated so that the outer diameter was 900-
This is cured with ultraviolet light (120W/α manufactured by Fuyujun),
D bulb) to obtain a colored secondary coating layer 3. At this time, the line speed was set to 150771/1n.
このようにして得られた被覆光ファイバの伝送特性を測
定したところ極めて良好な結果を示し、その引張強度も
平均６．！Ｊｇと良好であった。また、温度２００℃で
１０時間加熱した後も波長１．２４−及び１．４−にお
ける１１２に起因する損失増は認められなかった。When the transmission characteristics of the thus obtained coated optical fiber were measured, it showed very good results, and its tensile strength was also 6.5% on average. ! It was good with Jg. Further, even after heating at a temperature of 200° C. for 10 hours, no increase in loss due to 112 at wavelengths of 1.24 and 1.4 was observed.
（実施例３）
外径１２５ｍに線引されたマルチモード型石英ガラスフ
ァイバにポリカーボネートアクリレートを主体とする組
成物０ＦＧ−０３７（日本化薬株式会社製、硬化物の温
度２５℃でのヤング率−０，２３υ／＃２）を外径が２
００ｐになるように被覆して直ちに紫外線硬化（フユー
ジュン社製１２０Ｗ／α、Ｈバルブ）した後、次のよう
な化学構造を有する光開始剤を５重量％、着色剤として
フタロシアニンブルーを１重間％含有するエポキシアク
リレート組成物く硬化物の温度２５℃でのヤング率−７
０Ｋｌ／ｓ＋２）を外径２５０μｓにまで被覆し、直ち
に紫外線硬化（フユージュン社製１２０Ｗ／ａ＋、Ｄバ
ルブ）した。(Example 3) Composition 0FG-037 (manufactured by Nippon Kayaku Co., Ltd., Young's modulus at a temperature of 25°C of the cured product - 0,23υ/#2) with an outer diameter of 2
00p and immediately cured with UV light (120W/α, H bulb manufactured by Fuyujun), 5% by weight of a photoinitiator having the following chemical structure and 1 layer of phthalocyanine blue as a coloring agent were added. Young's modulus of the cured product at 25°C -7
0Kl/s+2) to an outer diameter of 250 μs, and immediately cured with ultraviolet light (120W/a+, D bulb manufactured by Fuyujun).
ＣＨ３ ＣＨ３ このとき、ライン速度を１５０ｍ ／ ｍｉｎとした。 CH3 CH3 At this time, the line speed was set to 150 m/min.
このようにして得られた被覆光ファイバの伝送特性を測
定したところ極めて良好な結果を示し、引張強度も平均
５．８Ｋｇと良好であった。また、温度２００℃で１０
時間加熱した後、再び伝送特性を測定したが、波長１．
２４ ／ｌ＃ｌ及び１．４ＩＩＩ１１における１１２に
起因する損失増は認められなかった。When the transmission characteristics of the thus obtained coated optical fiber were measured, the results were very good, and the tensile strength was also good with an average of 5.8 kg. Also, at a temperature of 200℃, 10
After heating for a time, the transmission characteristics were measured again, but the wavelength was 1.
No increase in loss due to 112 was observed in 24/l#l and 1.4III11.
（実施例４）
外径１２５７Ｊに線引されたマルチモード型石英ガラス
ファイバにウレタンアクリレートを主体とする組成物Ｆ
Ｃ−０７０８（大日本インキ化学工業株式会社製、硬
化物の温度２５℃でのヤング率＝ ０．４６に！ｇ／ａ
ｍ２）を外径が１８０−になるように被覆して直ちに紫
外線硬化（フユージコン社製ｆ２０Ｗ ／ ａｔｒ 。(Example 4) Composition F mainly composed of urethane acrylate was applied to a multimode quartz glass fiber drawn to an outer diameter of 1257J.
C-0708 (manufactured by Dainippon Ink & Chemicals Co., Ltd., Young's modulus at 25°C of cured product = 0.46! g/a
m2) to an outer diameter of 180 mm and immediately cured with ultraviolet light (f20W/atr manufactured by Fujicon Co., Ltd.).
Ｈバルブ）した後、ウレタンアクリレートを主体とする
組成物ダイキュア８７０３ （大日本インキ化学工業株
式会社製、硬化物の温度２５℃でのヤング率−４０Ｋｓ
／ａｍ＋２）を外径３００＊にまで被覆し、直らに紫外
線硬化（フユージュン社製１２０Ｗ／α、Ｈバルブ）し
た。このとき、ライン速度を１５０７７Ｌ／１ｎとした
。H-bulb), a composition mainly composed of urethane acrylate Daicure 8703 (manufactured by Dainippon Ink & Chemicals Co., Ltd., Young's modulus at 25°C of cured product - 40Ks)
/am+2) to an outer diameter of 300*, and immediately cured with ultraviolet light (120W/α, H bulb manufactured by Fujijun). At this time, the line speed was set to 15077L/1n.
このようにして得られた被覆光ファイバ５を５心整列し
たものを一括して第３図のような構造のテープ心線を製
造した。テープ６の厚さは０．４５履、幅は１．６ａｍ
である。テープの材料はフタロシアニンブルーを配合し
た組成物で、実施例３で用いたものと同じである。ライ
ン速度は３０ｍ／ｗｉｎであり、透明材料を用いた場合
と比較して遜色ない硬化速度であった。勿論テープ心線
はもとより、スロット内に挿入してケーブル化した後の
伝送特性は全く問題なかった。Five of the thus obtained coated optical fibers 5 were aligned and put together to produce a ribbon having a structure as shown in FIG. 3. The thickness of the tape 6 is 0.45mm and the width is 1.6am.
It is. The tape material was a composition containing phthalocyanine blue, and was the same as that used in Example 3. The line speed was 30 m/win, and the curing speed was comparable to that when a transparent material was used. Of course, there were no problems with the transmission characteristics of the tape core wire or after it was inserted into the slot and made into a cable.
（比較例）
上記実施例１及び２の効果を調べるために比較例として
、光開始剤をベンジルジメチルケタールに変更した他は
全〈実施例１と同様にして被覆光ファイバをｌｉｌ造し
た。その結果、最外層の二次被覆が硬化不足となり、こ
れを完全に硬化させるためにはライン速度を１００ｍ／
ｌｌ１ｉｎに低減させなければならなかった。(Comparative Example) As a comparative example to examine the effects of Examples 1 and 2, a coated optical fiber was manufactured in the same manner as in Example 1 except that the photoinitiator was changed to benzyl dimethyl ketal. As a result, the outermost secondary coating was insufficiently cured, and in order to completely cure it, the line speed was increased to 100 m/min.
had to be reduced to ll1in.
［発明の効果］
以上説明したように本発明によれば、次の如き優れた効
果を発揮する。[Effects of the Invention] As explained above, according to the present invention, the following excellent effects are exhibited.
（１） 着色剤を添加しても紫外線硬化樹脂の硬化速
度が損われず、従ってファイバの線引やケーブル化にお
ける生産性が向上する。(1) Addition of a colorant does not impair the curing speed of the ultraviolet curing resin, thus improving productivity in fiber drawing and cable production.
（リ 本発明は各種光ファイバに幅広く適用することが
できる。(The present invention can be widely applied to various optical fibers.
第１図は本発明の一実施例に係る被覆光ファイバの断面
構成図、第２図は他の実施例の断面構成図、第３図はさ
らに他の実施例を用いて製造したテープ心線の断面構成
図である。
図中、１はガラスファイバ、２は一次被覆層、３は着色
二次被覆層、４は透明二次被覆層である。FIG. 1 is a cross-sectional configuration diagram of a coated optical fiber according to one embodiment of the present invention, FIG. 2 is a cross-sectional configuration diagram of another embodiment, and FIG. 3 is a ribbon cable manufactured using still another embodiment. FIG. In the figure, 1 is a glass fiber, 2 is a primary coating layer, 3 is a colored secondary coating layer, and 4 is a transparent secondary coating layer.
Claims (2)
する光伝送用ガラス光ファイバにおいて、上記紫外線硬
化樹脂が次の一般式で表わされる光開始剤を含有するこ
とを特徴とする被覆光ファイバ。 ▲数式、化学式、表等があります▼ ［ただし、Ｒ＿１は水素、Ｒ＿２はアルキル基、Ｒ＿３
はアリール基である］(1) A coated optical fiber for light transmission having a coating layer made of an ultraviolet curable resin on its outer periphery, wherein the ultraviolet curable resin contains a photoinitiator represented by the following general formula: . ▲There are mathematical formulas, chemical formulas, tables, etc.▼ [However, R_1 is hydrogen, R_2 is an alkyl group, R_3
is an aryl group]
徴とする特許請求の範囲第１項記載の被覆光ファイバ。(2) The coated optical fiber according to claim 1, wherein the ultraviolet curing resin contains a colorant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214011A JPS6370210A (en) | 1986-09-12 | 1986-09-12 | Coated optical fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61214011A JPS6370210A (en) | 1986-09-12 | 1986-09-12 | Coated optical fiber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6370210A true JPS6370210A (en) | 1988-03-30 |
Family
ID=16648789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61214011A Pending JPS6370210A (en) | 1986-09-12 | 1986-09-12 | Coated optical fiber |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6370210A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02151822A (en) * | 1988-12-05 | 1990-06-11 | Sumitomo Electric Ind Ltd | Coated optical fiber |
| JPH02186310A (en) * | 1989-01-12 | 1990-07-20 | Furukawa Electric Co Ltd:The | Coated optical fiber |
| WO1998057902A1 (en) * | 1997-06-18 | 1998-12-23 | Dsm N.V. | Radiation-curable optical fiber coatings having reduced yellowing and fast cure speed |
| WO2001009053A1 (en) * | 1999-07-30 | 2001-02-08 | Dsm N.V. | Radiation-curable composition with simultaneous color formation during cure |
| WO2001047823A3 (en) * | 1999-12-23 | 2001-12-06 | Dsm Nv | Optical fiber coating compositions |
| WO2001074732A3 (en) * | 2000-04-03 | 2002-03-28 | Dsm Nv | Liquid curable resin composition and two-layer film |
| JP5523642B1 (en) * | 2013-07-26 | 2014-06-18 | 太陽インキ製造株式会社 | Photocurable composition for producing printed wiring board, cured product thereof and printed wiring board |
| CN106470971A (en) * | 2014-08-01 | 2017-03-01 | 株式会社艾迪科 | Novel polymeric initiator and the radical-polymerizable composition containing this polymerization initiator |
| JPWO2016059727A1 (en) * | 2014-10-17 | 2017-07-27 | 住友電気工業株式会社 | Optical fiber core and optical fiber ribbon |
-
1986
- 1986-09-12 JP JP61214011A patent/JPS6370210A/en active Pending
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02151822A (en) * | 1988-12-05 | 1990-06-11 | Sumitomo Electric Ind Ltd | Coated optical fiber |
| JPH02186310A (en) * | 1989-01-12 | 1990-07-20 | Furukawa Electric Co Ltd:The | Coated optical fiber |
| WO1998057902A1 (en) * | 1997-06-18 | 1998-12-23 | Dsm N.V. | Radiation-curable optical fiber coatings having reduced yellowing and fast cure speed |
| US6187835B1 (en) | 1997-06-18 | 2001-02-13 | Dsm N.V. | Radiation-curable optical fiber coatings having reduced yellowing and fast cure speed |
| US6630242B1 (en) | 1999-07-30 | 2003-10-07 | Dsm N.V. | Radiation-curable composition with simultaneous color formation during cure |
| WO2001009053A1 (en) * | 1999-07-30 | 2001-02-08 | Dsm N.V. | Radiation-curable composition with simultaneous color formation during cure |
| US7122247B2 (en) | 1999-07-30 | 2006-10-17 | Dsm Ip Assets B.V. | Radiation-curable composition with simultaneous color formation during cure |
| JP2003506526A (en) * | 1999-07-30 | 2003-02-18 | ディーエスエム エヌ．ブイ． | Irradiation curable compositions with simultaneous color formation during curing |
| WO2001047823A3 (en) * | 1999-12-23 | 2001-12-06 | Dsm Nv | Optical fiber coating compositions |
| US7041712B2 (en) | 1999-12-23 | 2006-05-09 | Dsm Ip Assets B.V. | Optical fiber coating compositions containing secondary or tertiary amino silicone-containing additive |
| CN100347116C (en) * | 1999-12-23 | 2007-11-07 | Dsmip财产有限公司 | Optical fiber coating compositions |
| WO2001074732A3 (en) * | 2000-04-03 | 2002-03-28 | Dsm Nv | Liquid curable resin composition and two-layer film |
| KR100765585B1 (en) * | 2000-04-03 | 2007-10-09 | 코닌클리즈케 디에스엠 엔.브이. | Liquid curable resin composition and double layer |
| JP5523642B1 (en) * | 2013-07-26 | 2014-06-18 | 太陽インキ製造株式会社 | Photocurable composition for producing printed wiring board, cured product thereof and printed wiring board |
| CN106470971A (en) * | 2014-08-01 | 2017-03-01 | 株式会社艾迪科 | Novel polymeric initiator and the radical-polymerizable composition containing this polymerization initiator |
| KR20170040127A (en) | 2014-08-01 | 2017-04-12 | 가부시키가이샤 아데카 | Novel polymerization initiator and radically polymerizable composition containing same |
| EP3176153A4 (en) * | 2014-08-01 | 2018-04-18 | Adeka Corporation | Novel polymerization initiator and radically polymerizable composition containing same |
| US10005851B2 (en) | 2014-08-01 | 2018-06-26 | Adeka Corporation | Polymerization initiator and radically polymerizable composition containing same |
| TWI674255B (en) * | 2014-08-01 | 2019-10-11 | 日商艾迪科股份有限公司 | Novel polymerization initiator and radical polymerizable composition containing the polymerization initiator |
| CN106470971B (en) * | 2014-08-01 | 2020-03-03 | 株式会社艾迪科 | Novel polymerization initiator and radical polymerizable composition containing the same |
| JPWO2016059727A1 (en) * | 2014-10-17 | 2017-07-27 | 住友電気工業株式会社 | Optical fiber core and optical fiber ribbon |
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