JP2005234135A5 - - Google Patents
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- JP2005234135A5 JP2005234135A5 JP2004041930A JP2004041930A JP2005234135A5 JP 2005234135 A5 JP2005234135 A5 JP 2005234135A5 JP 2004041930 A JP2004041930 A JP 2004041930A JP 2004041930 A JP2004041930 A JP 2004041930A JP 2005234135 A5 JP2005234135 A5 JP 2005234135A5
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- plastic optical
- clad
- unit
- meth
- 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
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Claims (4)
前記コアが、ポリメタクリル酸メチル、又は1種類以上のビニル系単量体単位とメタクリル酸メチル単位との共重合体からなり、
前記第1クラッドが、下記一般式(I)
<化1>
CH2=CX−COO(CH2)m−R1 f (I)
(式中、Xは水素原子、フッ素原子、またはメチル基、R1 fは炭素数1〜12の(フルオロ)アルキル基、mは1又は2の整数を示す。)
で表されるフルオロアルキル(メタ)アクリレートの単位(A)15〜90質量%と、他の共重合可能な単量体単位(B)10〜85質量%からなり、示差走査熱量測定(DSC)におけるガラス転移温度が90℃以上であって、アッベ屈折率計で測定した25℃での屈折率が1.39〜1.475の範囲にある共重合体からなり、
前記第2クラッドが、少なくともテトラフルオロエチレン単位を含み、示差走査熱量測定(DSC)における結晶融解熱が40mJ/mg以下である含フッ素オレフィン系樹脂からなることを特徴としたプラスチック光ファイバ素線。 A core and a clad having a two-layer structure in which the first clad and the second clad are laminated in this order on the outer periphery of the core;
The core is made of polymethyl methacrylate or a copolymer of one or more vinyl monomer units and methyl methacrylate units,
The first cladding has the following general formula (I)
<Chemical formula 1>
CH 2 = CX-COO (CH 2) m -R 1 f (I)
(In the formula, X represents a hydrogen atom, a fluorine atom, or a methyl group, R 1 f represents a (fluoro) alkyl group having 1 to 12 carbon atoms, and m represents an integer of 1 or 2.)
In the unit (A) 15 to 90 wt% of the fluoroalkyl (meth) acrylate represented, made from the other copolymerizable monomer unit (B) 10 to 85 wt%, differential scanning calorimetry (DSC ) And a glass transition temperature of 90 ° C. or higher, and having a refractive index at 25 ° C. measured by an Abbe refractometer in the range of 1.39 to 1.475,
The plastic optical fiber, wherein the second clad is made of a fluorine-containing olefin resin containing at least a tetrafluoroethylene unit and having a crystal melting heat of 40 mJ / mg or less in differential scanning calorimetry (DSC).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004041930A JP2005234135A (en) | 2004-02-18 | 2004-02-18 | Plastic optical fiber and plastic optical fiber cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004041930A JP2005234135A (en) | 2004-02-18 | 2004-02-18 | Plastic optical fiber and plastic optical fiber cable |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005234135A JP2005234135A (en) | 2005-09-02 |
JP2005234135A5 true JP2005234135A5 (en) | 2007-04-05 |
Family
ID=35017170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004041930A Pending JP2005234135A (en) | 2004-02-18 | 2004-02-18 | Plastic optical fiber and plastic optical fiber cable |
Country Status (1)
Country | Link |
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JP (1) | JP2005234135A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007101924A (en) * | 2005-10-05 | 2007-04-19 | Fujikura Ltd | Plastic optical fiber ribbon, plastic optical fiber, and cord, cable and sheet using same |
US8023789B2 (en) | 2006-09-28 | 2011-09-20 | Mitsubishi Rayon Co., Ltd. | Plastic optical fiber cable and method of signal transmission using the same |
JP6446822B2 (en) * | 2014-04-24 | 2019-01-09 | 三菱ケミカル株式会社 | Optical fiber manufacturing method, optical fiber, communication device, and illumination |
-
2004
- 2004-02-18 JP JP2004041930A patent/JP2005234135A/en active Pending
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