JPH04198346A - Fluororesin composition - Google Patents
Fluororesin compositionInfo
- Publication number
- JPH04198346A JPH04198346A JP2322425A JP32242590A JPH04198346A JP H04198346 A JPH04198346 A JP H04198346A JP 2322425 A JP2322425 A JP 2322425A JP 32242590 A JP32242590 A JP 32242590A JP H04198346 A JPH04198346 A JP H04198346A
- Authority
- JP
- Japan
- Prior art keywords
- fluorine
- pts
- silane coupling
- fluororesin composition
- coupling agent
- 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
- 239000000203 mixture Substances 0.000 title abstract description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 8
- 239000011737 fluorine Substances 0.000 claims abstract description 8
- YSYRISKCBOPJRG-UHFFFAOYSA-N 4,5-difluoro-2,2-bis(trifluoromethyl)-1,3-dioxole Chemical compound FC1=C(F)OC(C(F)(F)F)(C(F)(F)F)O1 YSYRISKCBOPJRG-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000178 monomer Substances 0.000 claims abstract description 4
- 125000005369 trialkoxysilyl group Chemical group 0.000 claims abstract description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract 3
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims abstract 2
- 230000000379 polymerizing effect Effects 0.000 claims abstract 2
- 239000011342 resin composition Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 239000013307 optical fiber Substances 0.000 abstract description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 4
- 125000000524 functional group Chemical group 0.000 abstract description 3
- PGFXOWRDDHCDTE-UHFFFAOYSA-N hexafluoropropylene oxide Chemical compound FC(F)(F)C1(F)OC1(F)F PGFXOWRDDHCDTE-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000269 nucleophilic effect Effects 0.000 abstract description 2
- 238000007151 ring opening polymerisation reaction Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 2
- 239000011347 resin Substances 0.000 abstract 2
- 229920005989 resin Polymers 0.000 abstract 2
- 229920001577 copolymer Polymers 0.000 description 8
- -1 Polytetrafluoroethylene, tetrafluoroethylene Polymers 0.000 description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 229920002313 fluoropolymer Polymers 0.000 description 6
- 239000004811 fluoropolymer Substances 0.000 description 6
- 229910000077 silane Inorganic materials 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000007822 coupling agent Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 description 1
- GVNVAWHJIKLAGL-UHFFFAOYSA-N 2-(cyclohexen-1-yl)cyclohexan-1-one Chemical compound O=C1CCCCC1C1=CCCCC1 GVNVAWHJIKLAGL-UHFFFAOYSA-N 0.000 description 1
- GBOMEIMCQWMHGB-UHFFFAOYSA-N 2-butyltetrahydrofuran Chemical compound CCCCC1CCCO1 GBOMEIMCQWMHGB-UHFFFAOYSA-N 0.000 description 1
- XKTYXVDYIKIYJP-UHFFFAOYSA-N 3h-dioxole Chemical compound C1OOC=C1 XKTYXVDYIKIYJP-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- 101150065749 Churc1 gene Proteins 0.000 description 1
- 102100038239 Protein Churchill Human genes 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 150000001925 cycloalkenes Chemical class 0.000 description 1
- 238000005796 dehydrofluorination reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- OSFBJERFMQCEQY-UHFFFAOYSA-N propylidene Chemical compound [CH]CC OSFBJERFMQCEQY-UHFFFAOYSA-N 0.000 description 1
- 238000006884 silylation reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920005609 vinylidenefluoride/hexafluoropropylene copolymer Polymers 0.000 description 1
- 239000004711 α-olefin Substances 0.000 description 1
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は新規なカップリング剤を含有したフッ素系樹脂
組成物に関するものであり、とくに透明性、低屈折率性
、非相分離性で安定性が良好であり、他の物体との接着
性が良好なフッ素系樹脂組成物に係るものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a fluororesin composition containing a novel coupling agent, which is particularly stable with transparency, low refractive index, and non-phase separation property. The present invention relates to a fluororesin composition that has good properties and good adhesion to other objects.
［従来の技術］
ポリテトラフルオロエチレン、テトラフルオエチレン／
ヘキサフルオロプロピレン共重合体、テトラフルオロエ
チレン／パーフルオロアルキルビニルエーテル共重合体
等のフッ素系共重合体が開発され、その耐薬品性の良さ
を活用し、光学材料、電子材料等として、広い分野で活
用されている。[Conventional technology] Polytetrafluoroethylene, tetrafluoroethylene/
Fluorine-based copolymers such as hexafluoropropylene copolymer and tetrafluoroethylene/perfluoroalkyl vinyl ether copolymer have been developed, and their good chemical resistance has been utilized in a wide range of fields such as optical materials and electronic materials. It is being utilized.
また、フッ素系重合体のうち、透明性に優れたものは、
この重合体が低屈折率であるという特性を生かして光フ
ァイバの鞘材として有用に利用されている。In addition, among fluoropolymers, those with excellent transparency are
Taking advantage of the low refractive index of this polymer, it is usefully used as a sheath material for optical fibers.
近年、光ファイバの用途も広がり、１００℃以上の温度
雰囲気下で使用されるケースも多くなり、鞘材の耐熱性
の向上も要望されるようになってきており、このような
観点よりパーフルオロ（−２，２−ジメチル−１，３−
ジオキソール）を主単量体とする重合体が、これらの特
性を満足するものとして注目されている。In recent years, the applications of optical fibers have expanded, and there are many cases where they are used in environments with temperatures of 100°C or higher, and there is a demand for improved heat resistance of the sheath material.From this perspective, perfluorinated fibers are being used. (-2,2-dimethyl-1,3-
Polymers containing dioxole as the main monomer are attracting attention as they satisfy these characteristics.
［発明が解決しようとする課題］
従来、開発されてきたこれらのフッ素系重合ツノ、・は
種々の優れた特性を備えてはいるが、他の物１７：・を
接合して使用しようとする場合には、その表面エネルギ
ーが大きく、他の物体との密着性が不足し、その使用時
に剥離するという難点がある。[Problem to be solved by the invention] Although these fluorine-based polymer horns that have been developed so far have various excellent properties, it is difficult to use them by joining other materials17:. In some cases, the surface energy is large, resulting in insufficient adhesion to other objects and the problem of peeling off during use.
とくに光ファイバの鞘材としてフッ素系重合体を用いた
場合、わずかな芯−箱界面での剥離が光ファイバの光伝
送特性を著しく低下させることが分かつている。In particular, when a fluoropolymer is used as the sheath material of an optical fiber, it has been found that slight peeling at the core-box interface significantly deteriorates the optical transmission characteristics of the optical fiber.
従来、開発されてきたフッ素系重合体はそのコモノマ一
種の選定により、ある程度の密着性の付与は可能である
が、特に耐熱性の高いパーフルオロ（−２，２−ジメチ
ル−１，３−ジオキソール）重合体で喧密着性不足の傾
向は大きなものとなっている。Conventionally developed fluoropolymers can be given a certain degree of adhesion by selecting the type of comonomer. ) Polymers tend to have poor adhesion.
［課題を解決するための手段］
そこで本発明者等は上述した問題点を解決すべく検討し
た結果、パーフルオロアルキルエーテルの末端に一５ｉ
（ＯＲ）３（式中ＲはＣｎ）ｌｚｎ＋＋、ｎ＝１−５の
整数）で示されるトリアルコキシシリル基をもつ化合物
をカップリング剤としてフッ素系樹脂に添加した樹脂組
成物とすることにより、その目的を達成しうることを見
出した。[Means for Solving the Problems] Therefore, the present inventors investigated to solve the above-mentioned problems, and as a result, the present inventors added 5i to the terminal of perfluoroalkyl ether.
By creating a resin composition in which a compound having a trialkoxysilyl group represented by (OR)3 (wherein R is Cn) lzn++, n = an integer of 1 to 5) is added to a fluororesin as a coupling agent, We have discovered that this purpose can be achieved.
本発明を実施するに際して用いるフッ素系重合体として
は、テトラフルオロエチレン／フッ化ビニリデン共重合
体、テトラフルオロエチレン／フッ化ビニリデン／ヘキ
サフルオロプロピレン共重合体、テトラフルオロエチレ
ン／ヘキサフルオロプロピレン共重合体やパーフルオロ
（−２，２−ジメチル−１，３−ジオキソール）を３０
モル３以上共重合した共重合体等を挙げることができる
。パーフルオロ（−２，２−ジメチル−１，３−ジオキ
ソール）と共重合可能な単量体としては、特に制限され
ないがα−オレフィン、シクロオレフィン、ビニルエー
テル、ＣＦａＣＦ＝ＣＦ２、ＣＦ３Ｃ）Ｉ＝ＣＦＣＦ３
、ＣＦ２”ＣＦＣＦ２ＣＨＦ２、ＣＦ３ＣＦ２ＣＦ”Ｃ
Ｈ２、ＣＨ２ＣＨ２ＣＨ”ＣＨ２、ＣＦ３ＣＨ”ＣＨＣ
Ｈ３、ＣＦ２＝ＣＨＣＨ２ＣＨ３、ＣＦ（２”ＣＨＣＨ
２ＣＨ３、ＣＦ３（ＣＦ２）２ｃＦ：ｃＦ２、ＣＦａ（
ＣＦｚ）３ｃＦ＝ｃＦ２等のフルオロオレフィンを挙げ
ることができる。Examples of the fluoropolymer used in carrying out the present invention include tetrafluoroethylene/vinylidene fluoride copolymer, tetrafluoroethylene/vinylidene fluoride/hexafluoropropylene copolymer, and tetrafluoroethylene/hexafluoropropylene copolymer. or perfluoro(-2,2-dimethyl-1,3-dioxole) at 30
Examples include copolymers in which 3 or more moles are copolymerized. Monomers copolymerizable with perfluoro(-2,2-dimethyl-1,3-dioxole) are not particularly limited, but include α-olefin, cycloolefin, vinyl ether, CFaCF=CF2, CF3C)I=CFCF3
, CF2"CFCF2CHF2, CF3CF2CF"C
H2, CH2CH2CH"CH2, CF3CH"CHC
H3, CF2=CHCH2CH3, CF(2”CHCH
2CH3, CF3(CF2)2cF:cF2, CFa(
Fluoroolefins such as CFz)3cF=cF2 can be mentioned.
本発明を実施するに際して用いるパーフルオロアルキル
エーテルの末端にトリアルコへシシリル基をもっシラン
カップリング刻は、たとえば以下の方法で合成できる。The perfluoroalkyl ether used in carrying out the present invention can be synthesized, for example, by the following method, having a trialkohacysilyl group at the end thereof.
ヘキサフルオロプロペンオキサイドをＪ、 Ｍａｃｌ−
ｏｍｏｌ、 Ｓｃｉ、 Ｃｈｅｗ、 ６ 、６ 、１０
２７ 、（１９７２）等に記載されるごとき開環重合に
て重合し、末端酸フルオライドを有するオリゴマーを得
る。このオリゴマーの末端酸フルオライドを求核性官能
基をもつトリアルコキシシラン、例えば、ＨＯ（ＣＨ２
）。５Ｌ（ＯＲ）３または８３Ｎ（ＣＨ２）、、５ｉ（
ＯＲ）３と反応せしめることにより、末端にトリアルコ
キシル基をもつパーフルオロアルキルエーテルが合成で
きる。Hexafluoropropene oxide J, Macl-
omol, Sci, Chew, 6, 6, 10
27, (1972), etc., to obtain an oligomer having a terminal acid fluoride. The terminal acid fluoride of this oligomer is replaced with a trialkoxysilane having a nucleophilic functional group, such as HO(CH2
). 5L(OR)3 or 83N(CH2),,5i(
By reacting with OR)3, a perfluoroalkyl ether having a trialkoxyl group at the end can be synthesized.
また、開環重合を行う際、反応停止剤として求電子性官
能基をもつトリアルコキシシランを共存させることによ
って、直接シリル化することもできる。Furthermore, direct silylation can also be carried out by coexisting trialkoxysilane having an electrophilic functional group as a reaction terminator during ring-opening polymerization.
°しかしながら、本発明で用いるパーフルオロアルキル
エーテルの末端に、トリアルコキシシランをもつシラン
カップリング材の合成は上記方法のみに限定されない。However, the synthesis of the silane coupling material having trialkoxysilane at the end of the perfluoroalkyl ether used in the present invention is not limited to the above method.
トリアルコキシシラン末端を有するパーフルオロアルキ
ルエーテルはフッ素重合体のカップリング剤として作用
し、対の基材とフッ素系樹脂１００重量部に対し、０．
０１〜２０重量部とくに０６５〜１０重量部なる割合で
添加するのが好ましく、このような本発明のフッ素系樹
脂組成物は、とくに光ファイバの鞘材として用いた場合
その効果を効率よく発揮する。The perfluoroalkyl ether having a trialkoxysilane end acts as a coupling agent for the fluoropolymer, and is used in an amount of 0.0% per 100 parts by weight of the pair of base materials and the fluoropolymer.
It is preferable to add the fluororesin composition in a proportion of 0.01 to 20 parts by weight, particularly 0.65 to 10 parts by weight, and the fluororesin composition of the present invention exhibits its effects particularly efficiently when used as a sheath material for an optical fiber. .
「実施例］ 以下実施例により本発明を具体的に説明する。"Example] The present invention will be specifically explained below using Examples.
（シランカップリング剖の合成）
Ｆ［ＣＦ（ＣＦ３）ＣＦ２０］５−８ＣＦ（ＣＦ３）Ｃ
ＯＦ ２５ ｇにアミノプロピルトリエトキシシラン
［Ｈ２ＮＣＨ２ＣＨ２ＣＨ２５ｌ・（ＯＣａＨｓ）３］
６ ｇを加え、炭酸カルシウムで脱フッ化水素し、シ
ランカップリング１ｉＦＩを得た。(Synthesis of silane coupling) F[CF(CF3)CF20]5-8CF(CF3)C
OF 25 g of aminopropyltriethoxysilane
[H2NCH2CH2CH25l・(OCaHs)3]
6 g was added and dehydrofluorination was performed with calcium carbonate to obtain silane coupling 1iFI.
［実施例 １］
パーフルオロ（２，２−ジメチル−１，３−ジオキソー
ル）／テトラフルオロエチレン ＝ ６０／４０モル％
の共重合体９５重量部と先に合成したシランカップリン
グ粕５重量部とよりなる樹脂組成物をパーフルオロ（２
−ブチルテトラヒドロフラン）に溶解し、得た固形分濃
度１５重量％溶液をガラス板に塗布し２００℃で乾燥し
コーテイング膜を得た。[Example 1] Perfluoro(2,2-dimethyl-1,3-dioxole)/tetrafluoroethylene = 60/40 mol%
A resin composition consisting of 95 parts by weight of the copolymer of
-butyltetrahydrofuran), and the obtained solution with a solid content concentration of 15% by weight was applied to a glass plate and dried at 200°C to obtain a coating film.
このコーテイング膜を１ ｍ１間隔でクロスカットし、
セロハンテープにて剥離実験を行ったところ１３％の剥
離率であった。This coating film was cross-cut at intervals of 1 m1,
When a peeling experiment was conducted using cellophane tape, the peeling rate was 13%.
［比較例 １］
先に合成したシランカップリング劃を用いない以外は実
施例１と同様にして作成した溶液をガラス板上にコーテ
イング膜を得た。同様に剥離実験を行ったところ、１０
０％の剥離率であった。[Comparative Example 1] A coating film was obtained on a glass plate using a solution prepared in the same manner as in Example 1 except that the previously synthesized silane coupling chamber was not used. When a similar peeling experiment was conducted, 10
The peeling rate was 0%.
［実施例 ２］
外径３０μｍφ の石英ガラス棒をカーボン抵抗加熱炉
で２０００℃に加熱し、外径２００μｍのガラスファイ
バを線引きして、芯材ファイバを得た。[Example 2] A quartz glass rod with an outer diameter of 30 μmφ was heated to 2000° C. in a carbon resistance heating furnace, and a glass fiber with an outer diameter of 200 μm was drawn to obtain a core fiber.
パーフルオロ（−２，２−ジメチル−１，３−ジオキソ
ール）／テトラフルオロエチレンー６０７４０ （干ル
％）の共重合体９８重量部と先のシランカップリング割
２重量部をパーフルオロ（２−ブチルテトラヒドロフラ
ン）に溶解し得た１５重量％溶液を芯材ファイバ表面に
塗布し、２００℃で乾燥して、外径２３０μｍの芯−鞘
構造の光ファイバを得た。98 parts by weight of a copolymer of perfluoro(-2,2-dimethyl-1,3-dioxole)/tetrafluoroethylene-60740 (dry %) and 2 parts by weight of the silane coupling portion were added to perfluoro(2- A 15% by weight solution dissolved in (butyltetrahydrofuran) was applied to the surface of the core fiber and dried at 200°C to obtain an optical fiber having a core-sheath structure with an outer diameter of 230 μm.
得られた光ファイバの光伝送損失は８８０ ｎｍにおい
て５ ｄＢ／Ｋｍであった。ｒ＝５ ｍｍのコーナには
さみ、左右それぞれ９０゛の屈曲を繰返しても、鞘材の
剥離は見られなかった。The optical transmission loss of the obtained optical fiber was 5 dB/Km at 880 nm. No peeling of the sheath material was observed even when the sheath material was held at a corner of r=5 mm and repeatedly bent by 90° on each side.
［比較例 ２］
先のシランカップリング劃を用いない以外は実施例２と
全く同様にして光ファイバを得た。得られた光ファイバ
の光伝送損失は４ ｄＢ／Ｋｍであったが、ｒ＝５ ＋
ｎｍのコーナにはさみ、左右それぞれ９０゜の繰返し屈
曲により、鞘材の剥離が見られた。[Comparative Example 2] An optical fiber was obtained in exactly the same manner as in Example 2 except that the silane coupling process described above was not used. The optical transmission loss of the obtained optical fiber was 4 dB/Km, but r = 5 +
When the sheath material was repeatedly bent by 90 degrees on each side with scissors at the corners of the nm, peeling of the sheath material was observed.
特許出願人 三菱レイヨン株式会社Patent applicant: Mitsubishi Rayon Co., Ltd.
Claims (2)
ロアルキル基の末端にトリアルコシキシシリル基を有す
る含フッ素シランカップリング剤０．０１〜２０重量部
なる割合で配合したことを特徴とするフッ素系樹脂組成
物。(1) A fluorine-containing silane coupling agent having a trialkoxysilyl group at the end of a perfluoroalkyl group is blended in a ratio of 0.01 to 20 parts by weight to 100 parts by weight of a fluororesin. Fluorine resin composition.
チル−１，３−ジオキソール）を主単量体として重合し
て得たものであることを特徴とする請求項第１項記載の
フッ素系樹脂組成物。(2) The fluororesin is obtained by polymerizing perfluoro(-2,2-dimethyl-1,3-dioxole) as a main monomer. Fluorine resin composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2322425A JPH04198346A (en) | 1990-11-28 | 1990-11-28 | Fluororesin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2322425A JPH04198346A (en) | 1990-11-28 | 1990-11-28 | Fluororesin composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04198346A true JPH04198346A (en) | 1992-07-17 |
Family
ID=18143523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2322425A Pending JPH04198346A (en) | 1990-11-28 | 1990-11-28 | Fluororesin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04198346A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006317537A (en) * | 2005-05-10 | 2006-11-24 | Olympus Medical Systems Corp | Fiber end processing method |
| WO2014119250A1 (en) * | 2013-02-04 | 2014-08-07 | 古河電気工業株式会社 | Optical fiber and method for producing same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0211651A (en) * | 1988-06-30 | 1990-01-16 | Mitsubishi Metal Corp | Fluorocarbon resin composition |
| JPH02153964A (en) * | 1988-08-29 | 1990-06-13 | Mitsubishi Rayon Co Ltd | Polymer composition and optical fiber containing the composition as sheath material |
| JPH02202941A (en) * | 1989-02-01 | 1990-08-13 | Mitsubishi Metal Corp | Fluororesin coating composition |
-
1990
- 1990-11-28 JP JP2322425A patent/JPH04198346A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0211651A (en) * | 1988-06-30 | 1990-01-16 | Mitsubishi Metal Corp | Fluorocarbon resin composition |
| JPH02153964A (en) * | 1988-08-29 | 1990-06-13 | Mitsubishi Rayon Co Ltd | Polymer composition and optical fiber containing the composition as sheath material |
| JPH02202941A (en) * | 1989-02-01 | 1990-08-13 | Mitsubishi Metal Corp | Fluororesin coating composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006317537A (en) * | 2005-05-10 | 2006-11-24 | Olympus Medical Systems Corp | Fiber end processing method |
| JP4504248B2 (en) * | 2005-05-10 | 2010-07-14 | オリンパスメディカルシステムズ株式会社 | Fiber end treatment method |
| WO2014119250A1 (en) * | 2013-02-04 | 2014-08-07 | 古河電気工業株式会社 | Optical fiber and method for producing same |
| JPWO2014119250A1 (en) * | 2013-02-04 | 2017-01-26 | 古河電気工業株式会社 | Optical fiber and manufacturing method thereof |
| US10793470B2 (en) | 2013-02-04 | 2020-10-06 | Furukawa Electric Co., Ltd. | Optical fiber and method of manufacturing the same |
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