JPH03241302A - Optical waveguide - Google Patents
Optical waveguideInfo
- Publication number
- JPH03241302A JPH03241302A JP2038959A JP3895990A JPH03241302A JP H03241302 A JPH03241302 A JP H03241302A JP 2038959 A JP2038959 A JP 2038959A JP 3895990 A JP3895990 A JP 3895990A JP H03241302 A JPH03241302 A JP H03241302A
- Authority
- JP
- Japan
- Prior art keywords
- temp
- glass transition
- dimensional crosslinked
- rubber
- optical waveguide
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 53
- 239000011162 core material Substances 0.000 claims abstract description 20
- 239000002861 polymer material Substances 0.000 claims abstract description 16
- 230000009477 glass transition Effects 0.000 claims abstract description 14
- 239000011247 coating layer Substances 0.000 claims abstract description 8
- 238000005253 cladding Methods 0.000 claims description 23
- 229920006037 cross link polymer Polymers 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 abstract description 7
- 238000000576 coating method Methods 0.000 abstract description 7
- 238000010438 heat treatment Methods 0.000 abstract description 7
- 239000010410 layer Substances 0.000 description 10
- 239000000178 monomer Substances 0.000 description 9
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- -1 alkyl methacrylate Chemical compound 0.000 description 6
- 229920000800 acrylic rubber Polymers 0.000 description 5
- 239000003431 cross linking reagent Substances 0.000 description 5
- 229920000058 polyacrylate Polymers 0.000 description 5
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 4
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- 229920002554 vinyl polymer Polymers 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 239000004945 silicone rubber Substances 0.000 description 3
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- KUDUQBURMYMBIJ-UHFFFAOYSA-N 2-prop-2-enoyloxyethyl prop-2-enoate Chemical compound C=CC(=O)OCCOC(=O)C=C KUDUQBURMYMBIJ-UHFFFAOYSA-N 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- RZDKAILHIKIYHD-UHFFFAOYSA-N OCCOC(C=C)=O.C(C=C)(=O)OCC.C(C(=C)C)(=O)OC Chemical compound OCCOC(C=C)=O.C(C=C)(=O)OCC.C(C(=C)C)(=O)OC RZDKAILHIKIYHD-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000003368 amide group Chemical group 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- ZSWFCLXCOIISFI-UHFFFAOYSA-N cyclopentadiene Chemical compound C1C=CC=C1 ZSWFCLXCOIISFI-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920006027 ternary co-polymer Polymers 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical compound C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- WZCQRUWWHSTZEM-UHFFFAOYSA-N 1,3-phenylenediamine Chemical compound NC1=CC=CC(N)=C1 WZCQRUWWHSTZEM-UHFFFAOYSA-N 0.000 description 1
- SDRZFSPCVYEJTP-UHFFFAOYSA-N 1-ethenylcyclohexene Chemical compound C=CC1=CCCCC1 SDRZFSPCVYEJTP-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
- STMDPCBYJCIZOD-UHFFFAOYSA-N 2-(2,4-dinitroanilino)-4-methylpentanoic acid Chemical compound CC(C)CC(C(O)=O)NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O STMDPCBYJCIZOD-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- XMNIXWIUMCBBBL-UHFFFAOYSA-N 2-(2-phenylpropan-2-ylperoxy)propan-2-ylbenzene Chemical compound C=1C=CC=CC=1C(C)(C)OOC(C)(C)C1=CC=CC=C1 XMNIXWIUMCBBBL-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- WDQMWEYDKDCEHT-UHFFFAOYSA-N 2-ethylhexyl 2-methylprop-2-enoate Chemical compound CCCCC(CC)COC(=O)C(C)=C WDQMWEYDKDCEHT-UHFFFAOYSA-N 0.000 description 1
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- KFVIYKFKUYBKTP-UHFFFAOYSA-N 2-n-(methoxymethyl)-1,3,5-triazine-2,4,6-triamine Chemical compound COCNC1=NC(N)=NC(N)=N1 KFVIYKFKUYBKTP-UHFFFAOYSA-N 0.000 description 1
- REEBWSYYNPPSKV-UHFFFAOYSA-N 3-[(4-formylphenoxy)methyl]thiophene-2-carbonitrile Chemical compound C1=CC(C=O)=CC=C1OCC1=C(C#N)SC=C1 REEBWSYYNPPSKV-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- 239000004342 Benzoyl peroxide Substances 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 125000005250 alkyl acrylate group Chemical group 0.000 description 1
- ZHNUHDYFZUAESO-OUBTZVSYSA-N aminoformaldehyde Chemical compound N[13CH]=O ZHNUHDYFZUAESO-OUBTZVSYSA-N 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical compound OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 125000002897 diene group Chemical group 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000003055 glycidyl group Chemical group C(C1CO1)* 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 229940018564 m-phenylenediamine Drugs 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- NZIDBRBFGPQCRY-UHFFFAOYSA-N octyl 2-methylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(C)=C NZIDBRBFGPQCRY-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N penta-1,3-diene Chemical compound CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000013308 plastic optical fiber Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、先導波路に関する。更に詳しくは、コア材お
よびクラッド材がガラス転移温度室温以下のゴム状弾性
材料よりなり、更にクラッド材被覆層を設けた光導波路
に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a guiding waveguide. More specifically, the present invention relates to an optical waveguide in which the core material and the cladding material are made of a rubber-like elastic material having a glass transition temperature of room temperature or lower, and further provided with a cladding material coating layer.
従来から、熱可塑性プラスチック製の光導波路が、大口
径、可撓性、軽量などの理由で、ライトガイド、イメー
ジガイド、装飾品、光センサなどの用途に広く用いられ
ている。ライトガイドを例にとると、可撓性のある熱可
塑性プラスチック製先導波路を用いることで、
（１）光源が直接照射部分にないので、照射部分が熱く
なったり、電球が割れたりする心配がない（２）電線に
よる漏電やスパーク、発火のおそれのある部位にも、光
を導くことができる（３）光導波路を曲げることで、任
意の所に光を導くことができる
などの利点が見出される。Conventionally, optical waveguides made of thermoplastic plastics have been widely used in applications such as light guides, image guides, ornaments, and optical sensors due to their large diameter, flexibility, and light weight. Taking a light guide as an example, by using a flexible thermoplastic leading waveguide, (1) the light source is not directly in the irradiated area, so there is no need to worry about the irradiated area becoming hot or the bulb breaking; (2) Light can be guided to areas where there is a risk of electrical leakage, sparks, or ignition due to electric wires. (3) Advantages have been found, such as the ability to guide light to any location by bending the optical waveguide. It will be done.
光導波路においては、光を伝送するコア材の径が大きけ
れば大きい程伝送光量も大きくなり、有利であることが
一般に知られているが、この熱可塑性プラスチック製の
光導波路では、反面大口径にする程度形（曲げ）量がせ
ばまるばかりではなく、耐熱性に劣り、また常に外力を
加えておかないと変形状態を維持できないため１通常は
その外周を金属製蛇腹（フレキ）などで覆うことが行わ
れており、そのフレキが重いこと、太くなってしまうこ
と、コストがかかるなどの欠点がみられる。In optical waveguides, it is generally known that the larger the diameter of the core material that transmits light, the greater the amount of transmitted light, which is advantageous. Not only does the shape (bend) become smaller, but it also has poor heat resistance, and cannot maintain its deformed state unless external force is constantly applied. However, the disadvantages include that the flexible material is heavy, thick, and expensive.
一方、耐熱性、可撓性を改善した光ファイバとして、コ
ア材およびクラッド材が共に３次元架橋構造を有し、か
つガラス転移温度が室温以下、好ましくは０℃以下であ
るゴム状弾性を有する光ファイバが提案されている（特
開昭６１−５５６１１号公報、同６１−１８６９０６号
公報、同６１−２５９２０２号公報、同６２−９０４号
公報、特開平１−２１０９０４号公報、同１−２０６３
０７号公報など）。On the other hand, as an optical fiber with improved heat resistance and flexibility, both the core material and the cladding material have a three-dimensional crosslinked structure, and have rubber-like elasticity with a glass transition temperature of below room temperature, preferably below 0°C. Optical fibers have been proposed (JP-A-61-55611, JP-A-61-186906, JP-A-61-259202, JP-A-62-904, JP-A-1-210904, JP-A-1-2063).
Publication No. 07, etc.).
これらのゴム状弾性を有する光ファイバは、コア材およ
びクラッド材が共に３次元架橋構造を有するため、ポリ
メチルメタクリレート系によって代表される従来のプラ
スチック製光ファイバの使用温度が８０℃以下であった
のに比べ、耐熱性の点で有利であり、また柔軟性、伸縮
性に富むため大変形も可能であるという特徴を有してい
る。These optical fibers with rubber-like elasticity have a three-dimensional crosslinked structure in both the core material and the cladding material, so the operating temperature of conventional plastic optical fibers, typically polymethyl methacrylate, is 80°C or lower. It is advantageous in terms of heat resistance, and has the advantage of being flexible and stretchable, allowing for large deformations.
そこで、これにならい光導波路のコア材およびクラッド
材を共にガラス転移温度室温以下のゴム軟弾性３次元架
橋構造高分子材料で形成させ、更に前記特開平１−２０
６３０７号公報に記載される如く、クラッド材被覆層を
もゴム状弾性体で形成させた場合には、光導波路それ自
体で特定の形状を保つことを困難としている。Therefore, following this example, both the core material and the cladding material of the optical waveguide are formed of a rubber soft elastic three-dimensional crosslinked polymer material with a glass transition temperature below room temperature, and furthermore,
As described in Japanese Patent No. 6307, when the cladding material covering layer is also formed of a rubber-like elastic body, it is difficult to maintain a specific shape of the optical waveguide itself.
本発明の目的は、コア材およびクラッド材がガラス転移
温度室温以下のゴム状弾性材料よりなり、更にクラッド
材被覆層を設けた光導波路において、それの自己形状保
持性を高めたものを提供することにある。An object of the present invention is to provide an optical waveguide in which the core material and the cladding material are made of a rubber-like elastic material with a glass transition temperature below room temperature, and further provided with a cladding material coating layer, which has improved self-shape retention. There is a particular thing.
かかる本発明の目的は、コア材およびクラッド材が共に
ガラス転移温度室温以下のゴム軟弾性３次元架橋構造高
分子材料よりなり、クラッド材被覆層がガラス転移温度
４０〜８０℃の３次元架橋構造高分子材料で構成されて
いる光導波路によって達成される。The object of the present invention is that both the core material and the cladding material are made of a rubber soft elastic three-dimensional crosslinked polymer material with a glass transition temperature below room temperature, and the cladding material coating layer is made of a three-dimensional crosslinked structure with a glass transition temperature of 40 to 80°C. This is achieved by optical waveguides made of polymeric materials.
クラッド材被覆層を形成する３次元架橋構造高分子材料
被覆材は、ガラス転移温度（Ｔｇ）が４０〜８０℃の範
囲のものに限定される。これは、光導波路が室温（約３
０℃以下）で用いられることを考えるとき、その形状保
持という点でＴｇは４０℃以上であることが必要であり
、一方Ｔｇを８０℃以下に限定したのは、それ以上では
変形させる度毎に高温にするのが困難であり、またその
度毎に１００℃以上の高温をかけると熱劣化などを促進
し、更にＴｇがあまり高いものはＴｇ以上の温度でも柔
軟性がなく、例えば変形によって配向が起こる場合もあ
るなどの理由による。The three-dimensionally crosslinked polymer material coating material forming the cladding material coating layer is limited to those having a glass transition temperature (Tg) in the range of 40 to 80°C. This means that the optical waveguide is at room temperature (approximately 3
When considering that it will be used at temperatures below 0°C, the Tg needs to be 40°C or higher in order to maintain its shape.On the other hand, the reason for limiting the Tg to 80°C or lower is that if It is difficult to raise the temperature to a high temperature, and each time a high temperature of 100°C or higher is applied, thermal deterioration etc. is promoted.Furthermore, products with a very high Tg are not flexible even at temperatures above the Tg, and for example, they may be deformed. This is because orientation may occur in some cases.
クラッド材の表面に、光導波路の保護および形状保持の
ために光導波路径の約３０％以上、一般には約５０−１
００％の膜厚で形成されるＴｇ４０〜８０℃の被覆層は
、３次元架橋構造高分子材料から形成される。Approximately 30% or more of the optical waveguide diameter, generally approximately 50-1, is added to the surface of the cladding material to protect the optical waveguide and maintain its shape.
The coating layer having a Tg of 40 to 80° C. and having a thickness of 0.00% is formed from a three-dimensional crosslinked structure polymeric material.
かかる３次元架橋構造高分子材料としては１例えばメチ
ルアクリレート、エチルアクリレート。Examples of such three-dimensional crosslinked polymer materials include methyl acrylate and ethyl acrylate.
メチルメタクリレート、ｎ−ブチルアクリレート、ｎ−
ブチルメタクリレート、イソブチルアクリレート、イソ
ブチルメタクリレート、２−エチルへキシルメタクリレ
ート、オクチルメタクリレートなどのフルキルアクリレ
ートまたはアルキルメタクリレートの少なくとも一種、
一般にはアルキルメタクリレートを主成分とし、これに
水酸基、エポキシ基、カルボキシル基、反応性ハロゲン
基、アミド基またはジエン基を架橋性基として有する単
量体を約２〜２０モル２共重合させたものが用いられる
。Methyl methacrylate, n-butyl acrylate, n-
At least one kind of furkyl acrylate or alkyl methacrylate such as butyl methacrylate, isobutyl acrylate, isobutyl methacrylate, 2-ethylhexyl methacrylate, octyl methacrylate,
In general, it has an alkyl methacrylate as its main component, and is copolymerized with about 2 to 20 moles of a monomer having a hydroxyl group, an epoxy group, a carboxyl group, a reactive halogen group, an amide group, or a diene group as a crosslinking group. is used.
あるいは、ＩＨ，ＩＨ−トリフルオロエチル（メタ）ア
クリレート、ＩＨ，１）１．３）！−テトラフルオロプ
ロピル（メタ）アクリレート、ＩＨ，ＩＨ，５Ｈ−オク
タフルオロペンチル（メタ）アクリレートなどの側鎖−
０００（ＣＨｚ ）ｎ （ＣＦ２） ｍＸ （Ｘ ＝Ｈ
またはＦ）を有する含フッ素（メタ）アクリレートを、
約１〜３０モル％、好ましくは約５〜２０モル％のエチ
ルアクリレート、ブチルアクリレート、メチルメタクリ
レートなどと共に、架橋性基含有単量体約２〜２０モル
２と共重合させたものも用いられる。Alternatively, IH, IH-trifluoroethyl (meth)acrylate, IH, 1) 1.3)! - Side chains of tetrafluoropropyl (meth)acrylate, IH, IH, 5H-octafluoropentyl (meth)acrylate, etc.
000 (CHZ)n (CF2) mX (X = H
or F) fluorine-containing (meth)acrylate,
Copolymerization with about 2 to 20 moles of a crosslinkable group-containing monomer 2 together with about 1 to 30 mole %, preferably about 5 to 20 mole % of ethyl acrylate, butyl acrylate, methyl methacrylate, etc., is also used.
更に、これら以外にもＴｇの条件を満足させるものであ
れば任意のものを用いることもでき、またこれらの３次
元架橋構造高分子材料には、必要に応じて架橋促進剤、
充填剤、可塑剤などの一般に用いられる添加剤を添加し
てもよい。Furthermore, in addition to these materials, any material can be used as long as it satisfies the Tg condition, and these three-dimensionally crosslinked polymer materials may optionally contain a crosslinking accelerator,
Commonly used additives such as fillers and plasticizers may also be added.
前記特開平１−２１０９０４号公報にも記載される如く
。As described in the above-mentioned Japanese Patent Application Laid-Open No. 1-210904.
このような含フッ素（メタ）アクリレート単量体の共重
合体は、アルキルアクリレートおよび／またはアルコキ
シアルキルアクリレートを主成分とすることにより、
Ｔｇが室温以下の３次元架橋構造高分子材料を与えるが
、アルキルメタクリレートを共重合成分とし、その共重
合組成を選択することにより、丁ｇが４０〜８０°Ｃの
３次元架橋構造高分子材料を容易に得ることができる。Such a copolymer of fluorine-containing (meth)acrylate monomer contains alkyl acrylate and/or alkoxyalkyl acrylate as a main component, so that
A three-dimensional cross-linked polymer material with a Tg of 40 to 80°C can be obtained by using alkyl methacrylate as a copolymer component and selecting the copolymer composition. can be easily obtained.
ここで用いられる架橋性基含有単量体およびその架橋方
法は、例えば次の如くである。The crosslinkable group-containing monomer used here and its crosslinking method are, for example, as follows.
（１）水酸基含有ビニル単量体
ヒドロキシアルキル（メタ）アクリレート、ヒドロキシ
アルコキシアクリレート、Ｎ−メチロールアクリルアミ
ドなど
これらの共重合体は、ｌ＼キサメチレンジイソシアネー
トなどのポリイソシアネート、アジピン酸などのポリカ
ルボン酸、メトキシメチルメラミンなどのアルコキシメ
チルメラミンなどの架橋剤によって架橋される
（２）エポキシ基含有ビニル単量体
アリルグリシジルエーテル、グリシジル（メタ）アクリ
レートなど
これらの共重合体は、ジエチレントリアミン、ｍ−フェ
ニレンジアミンなどのポリアミン、アジピン酸などのポ
リカルボン酸、無水マレイン酸などの酸無水物、ポリア
ミド、スルホンアミドなどの架橋剤によって架橋される
（３）カルボキシル基含有ビニル単量体アクリル酸、メ
タクリル酸、イタコン酸などこれらの共重合体は、エチ
レングリコールジグノシジルエーテルなどのポリエポキ
シド、１，４−ブタンジオール、１，１．１−トリメチ
ロールプロパンなどの架橋剤を用いる方法あるいは加熱
によって架橋される
（４）反応性ハロゲン基含有ビニル単量体２−グロロエ
チルビニルエーテル、モノクロロ酢酸など
これらの共重合体は、ジエチレントリアミンなどのポリ
アミン、ポリカーバメートなどの架橋剤によって架橋さ
れる
（５）アミド基含有ビニル単量体
アクリルアミド、メタクリルアミドなどアミノホルムア
ルデヒドなどの架橋剤を用いる方法あるいは加熱によっ
て架橋される
（６）ジエン系単量体
ジビニルベンゼン、ペンタジェン、ビニルシクロヘキセ
ン、ブタジェン、シクロペンタジェン、メチルブタジェ
ン、エチレングリコールジアクリレート、プロピレング
リコールジ（メタ）アクリレートなど
イオウあるいはベンゾイルパーオキサイド、ジクミルパ
ーオキサイドなどの有機過酸化物、アゾビスイソブチロ
ニトリルなどのアゾ化合物、ジビニルベンゼン、トリア
リルシアヌレートなどの架橋剤を用いる方法または加熱
によって架橋されるコア材としては、Ｔｇが室温以下の
ゴム軟弾性３次元架橋構造高分子材料であって、屈折率
ｎＤ”が１．４５以上のもの、好ましくは１．４７〜１
．９２のもの、例えばアクリルゴム、シリコーンゴムな
どが用いられる。また、クラッド材としては、 Ｔｇが
室温以下のゴム軟弾性３次元架橋構造高分子材料であっ
て、屈折率ｎＤｚｓがコア材より低いもの、一般には屈
折率ｎ、 ｏ２５＝ １．３４〜１．４１のもの、例え
ばアクリルゴム、シリコーンゴムなどの一部の水素原子
をフッ素原子で置換したフッ素化アクリルゴム、フッ素
化シリコーンゴムなどが用いられる。これらの具体例に
ついては、前記先行技術特許公開公報に更に詳細に述に
られでいる。(1) Hydroxyl group-containing vinyl monomer hydroxyalkyl (meth)acrylate, hydroxyalkoxyacrylate, N-methylol acrylamide, etc. These copolymers include polyisocyanates such as xamethylene diisocyanate, polycarboxylic acids such as adipic acid, (2) Epoxy group-containing vinyl monomer allyl glycidyl ether, glycidyl (meth)acrylate, etc. These copolymers are crosslinked with a crosslinking agent such as alkoxymethyl melamine such as methoxymethyl melamine, diethylene triamine, m-phenylene diamine, etc. (3) Carboxyl group-containing vinyl monomers acrylic acid, methacrylic acid, itaconic acid These copolymers are crosslinked by a method using a crosslinking agent such as a polyepoxide such as ethylene glycol dignosidyl ether, 1,4-butanediol, or 1,1,1-trimethylolpropane, or by heating (4) reaction. (5) Vinyl monomers containing amide groups, such as 2-chloroethyl vinyl ether, monochloroacetic acid, etc. These copolymers are crosslinked with crosslinking agents such as polyamines such as diethylenetriamine, and polycarbamates. (6) Diene monomers divinylbenzene, pentadiene, vinylcyclohexene, butadiene, cyclopentadiene, methylbutadiene, ethylene glycol diacrylate, which are crosslinked by a method using a crosslinking agent such as aminoformaldehyde such as acrylamide or methacrylamide, or by heating. , sulfur such as propylene glycol di(meth)acrylate, organic peroxides such as benzoyl peroxide and dicumyl peroxide, azo compounds such as azobisisobutyronitrile, and crosslinking agents such as divinylbenzene and triallyl cyanurate. The core material to be crosslinked by the method or heating is a rubber soft elastic three-dimensional crosslinked polymer material with Tg below room temperature and a refractive index nD" of 1.45 or more, preferably 1.47 to 1.
．． 92, such as acrylic rubber and silicone rubber, are used. The cladding material is a rubber soft elastic three-dimensional crosslinked polymer material with Tg below room temperature and a refractive index nDzs lower than that of the core material, generally having a refractive index n, o25=1.34-1. For example, fluorinated acrylic rubber, fluorinated silicone rubber, etc. in which some of the hydrogen atoms in acrylic rubber and silicone rubber are replaced with fluorine atoms are used. These specific examples are described in more detail in the aforementioned prior art patent publication.
これらの各材料を用いての光導波路の製造は、コア材、
クラッド材および被覆材を共押出しした後、共押出物に
加熱、光照射またはこれらの両者を適用して共架橋させ
、コア材層−クラッド材層間およびクラッド材層−被覆
材層間の各界面を化学的に結合せしめる方法などによっ
て一般に行われるが、コア材−クラッド材積層物に被覆
材を押出コーティング法、浸漬法などの適用により被覆
した後、加熱または光照射によりクラッド材層−被覆材
層間の界面に化学的結合を生ぜしめる方法などによって
も行われる。The production of optical waveguides using each of these materials requires a core material,
After coextruding the cladding material and the covering material, the coextrudate is heated, irradiated with light, or both of these are applied to co-crosslink the material, thereby bonding the interfaces between the core material layer and the cladding material layer and between the cladding material layer and the covering material layer. This is generally done by a method such as chemical bonding, but after coating the core material-cladding material laminate with the covering material by extrusion coating method, dipping method, etc., the bonding between the cladding material layer and the covering material layer is performed by heating or light irradiation. This can also be done by creating chemical bonds at the interface between the two.
コア材およびクラッド材が共にＴｇ室温以下のゴム状弾
性３次元架橋構造高分子材料からなる光導波路は、大口
径でも容易に大変形が可能であり、また３次元架橋構造
を有しているので、高温下でもその形状を維持できる。Optical waveguides in which both the core material and cladding material are made of rubber-like elastic three-dimensional cross-linked polymer materials with Tg below room temperature can be easily deformed to large extents even with large diameters, and have a three-dimensional cross-linked structure. , it can maintain its shape even under high temperatures.
更に、被覆材は、Ｔｇが４０〜８０℃の範囲にあるので
、この７ｇ以上の温度で変形し、それを室温下で使用す
る場合には、フレキなどによる外力を加え続けなくとも
、その形状を変形状態のまま保持することができる。な
お、この加熱変形の際にも、光導波路の外周層を形成す
る被覆材のみを加熱し、変形させればよいので加熱時間
を短縮させることができ、その結果としてくり返し変形
使用しても、光伝送率の低下があまりみられないという
効果をも奏する。Furthermore, since the Tg of the covering material is in the range of 40 to 80°C, it deforms at a temperature of 7 g or more, and when used at room temperature, it will change its shape without continuing to apply external force from a flexible plate, etc. can be maintained in a deformed state. Also, during this heating deformation, only the coating material forming the outer peripheral layer of the optical waveguide needs to be heated and deformed, so the heating time can be shortened, and as a result, even if the optical waveguide is repeatedly deformed, It also has the effect that the optical transmission rate does not decrease much.
〔実施例］ 次に、実施例について本発明を説明する。〔Example] Next, the present invention will be explained with reference to examples.
実施例
コア材：Ｔｇ＝−２０℃、 ｎＤ″’ ＝ １．４８０
のアクリルゴム１００重量部当り４重量部のへキサメチ
レンジイソシアネートを添加したも
クラッド材： Ｔｇ＝−２２℃、 ｎ ｏ” ＝ １．
３９６のフッ素化アクリルゴム１００重量部当り４重量
部のへキサメチレンジイソシアネート
を添加したもの
被覆材：メチルメタクリレート−エチルアクリレート−
２−ヒドロキシエチルアクリレート（モル比４５ ：
５０ ： ５）３元共重合体樹脂［Ｔｇ ＝ ５４℃］
１００重量部当り４重量部のへキサメチレンジイソシア
ネートを添
加したもの
以上の各材料を共押出しした後、１００℃で４時間熱架
橋させ、コア材径０．９６ｍｍ、クラッド材層膜厚０．
０２ｍｍ、被覆材層膜厚０．５■の光導波路を製造した
。Example core material: Tg = -20°C, nD'' = 1.480
Clad material to which 4 parts by weight of hexamethylene diisocyanate was added per 100 parts by weight of acrylic rubber: Tg = -22°C, no'' = 1.
396 fluorinated acrylic rubber with 4 parts by weight of hexamethylene diisocyanate added per 100 parts by weight Coating material: Methyl methacrylate-ethyl acrylate-
2-hydroxyethyl acrylate (molar ratio 45:
50: 5) Ternary copolymer resin [Tg = 54°C]
After coextruding each material containing 4 parts by weight of hexamethylene diisocyanate per 100 parts by weight, the materials were thermally crosslinked at 100°C for 4 hours to form a core material with a diameter of 0.96 mm and a cladding material layer with a thickness of 0.
An optical waveguide with a thickness of 0.2 mm and a coating material layer thickness of 0.5 .mu.m was manufactured.
比較例１
実施例において、コア材およびクラッド材がそれぞれ次
のように変更された。Comparative Example 1 In the example, the core material and cladding material were each changed as follows.
コア材：Ｔｇ＝４６℃、ｎ ｏ” ＝ １．４８６のア
クリル系樹脂
クラッド材：Ｔｇ＝５３℃、ｎＤ”＝１．４０６のフッ
素化アクリル系樹脂
比較例２
実施例において、被覆材が次のように変更された。Core material: Acrylic resin with Tg = 46°C, no" = 1.486 Clad material: Fluorinated acrylic resin with Tg = 53°C, nD" = 1.406 Comparative Example 2 In the example, the coating material was changed to:
被覆材：メチルメタクリレート−エチルアクリレート−
２−ヒドロキシエチルアクリレート（モル比９０ ：
５ ： ５）３元共重合体樹脂［τｇ＝１２０℃］１０
０重量部当り４重量部のへキサメチレンジイソシアネー
トを
添加したもの
以上の実施例および各比較例で得られた光導波路は、次
のような性状を示している。Covering material: Methyl methacrylate-ethyl acrylate-
2-hydroxyethyl acrylate (molar ratio 90:
5: 5) Ternary copolymer resin [τg=120°C] 10
The optical waveguides obtained in the above examples and comparative examples in which 4 parts by weight of hexamethylene diisocyanate was added per 0 parts by weight exhibited the following properties.
（１）６０℃の恒温槽中に入れると、光導波路が軟化す
るのに、実施例のものでは２０秒間、比較例１のもので
は約１分間かかった。また、比較例２のものは、その軟
化温度が１２０℃以上であった。(1) When placed in a constant temperature bath at 60° C., it took 20 seconds for the optical waveguide of the example to soften, and about 1 minute for the optical waveguide of comparative example 1. Moreover, the softening temperature of Comparative Example 2 was 120° C. or higher.
（２）実施例および比較例１で得られた光導波路を、軟
化状態（６０℃）で１０ｃ■径の円筒に巻き付けてから
室温（２５℃〉に戻し、今度は軟化状態として真っ直に
してから室温に戻し、再び昇温、軟化させて円筒に巻き
付けるという操作を５００回くり返したが、光伝送率は
最初の０．８ｄＢ／ｍから０．９ｄＢ／ｍへと殆んど変
化がみられなかった。(2) The optical waveguides obtained in Examples and Comparative Example 1 were wound around a 10 cm diameter cylinder in a softened state (60°C), then returned to room temperature (25°C), and then straightened in a softened state. The process of returning the material to room temperature, raising the temperature again, softening it, and wrapping it around a cylinder was repeated 500 times, but the optical transmission rate barely changed from the initial 0.8 dB/m to 0.9 dB/m. There wasn't.
これに対して、比較例２で得られた光導波路は。On the other hand, the optical waveguide obtained in Comparative Example 2.
このような操作（ただし、軟化温度は１５０℃）を５０
０回くり返すことにより、黄褐色に着色していた。This operation (softening temperature is 150℃) was carried out for 50℃.
By repeating it 0 times, it was colored yellowish brown.
Claims (1)
以下のゴム状弾性３次元架橋構造高分子材料よりなり、
クラッド材被覆層がガラス転移温度４０〜８０℃の３次
元架橋構造高分子材料で構成されている光導波路。1. Both the core material and the cladding material are made of a rubber-like elastic three-dimensional crosslinked polymer material with a glass transition temperature below room temperature,
An optical waveguide in which a cladding material coating layer is made of a three-dimensional crosslinked polymer material with a glass transition temperature of 40 to 80°C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2038959A JPH03241302A (en) | 1990-02-20 | 1990-02-20 | Optical waveguide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2038959A JPH03241302A (en) | 1990-02-20 | 1990-02-20 | Optical waveguide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03241302A true JPH03241302A (en) | 1991-10-28 |
Family
ID=12539719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2038959A Pending JPH03241302A (en) | 1990-02-20 | 1990-02-20 | Optical waveguide |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03241302A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406641A (en) * | 1993-06-15 | 1995-04-11 | Rohm And Haas Company | Flexible light pipe, cured composite and processes for preparation thereof |
| US5485541A (en) * | 1993-06-15 | 1996-01-16 | Rohm And Haas Company | Cured composite, processes and composition |
| WO1998045759A1 (en) * | 1997-04-08 | 1998-10-15 | Alliedsignal Inc. | Method of producing an optical element and optical element therefrom |
-
1990
- 1990-02-20 JP JP2038959A patent/JPH03241302A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5406641A (en) * | 1993-06-15 | 1995-04-11 | Rohm And Haas Company | Flexible light pipe, cured composite and processes for preparation thereof |
| US5485541A (en) * | 1993-06-15 | 1996-01-16 | Rohm And Haas Company | Cured composite, processes and composition |
| WO1998045759A1 (en) * | 1997-04-08 | 1998-10-15 | Alliedsignal Inc. | Method of producing an optical element and optical element therefrom |
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