WO2020250826A1 - 樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法 - Google Patents

樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法 Download PDF

Info

Publication number
WO2020250826A1
WO2020250826A1 PCT/JP2020/022330 JP2020022330W WO2020250826A1 WO 2020250826 A1 WO2020250826 A1 WO 2020250826A1 JP 2020022330 W JP2020022330 W JP 2020022330W WO 2020250826 A1 WO2020250826 A1 WO 2020250826A1
Authority
WO
WIPO (PCT)
Prior art keywords
resin layer
resin composition
inorganic oxide
meth
oxide particles
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.)
Ceased
Application number
PCT/JP2020/022330
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
勝史 浜窪
一之 相馬
一弥 徳田
小西　達也
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Electric Industries Ltd
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 by Sumitomo Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP2021526068A priority Critical patent/JP7494849B2/ja
Priority to EP20823485.6A priority patent/EP3984974A4/en
Priority to CN202080041028.3A priority patent/CN113993921B/zh
Priority to US17/295,982 priority patent/US11947161B2/en
Publication of WO2020250826A1 publication Critical patent/WO2020250826A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
    • C08F283/008—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00 on to unsaturated polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/104—Coating to obtain optical fibres
    • C03C25/1065—Multiple coatings
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/28—Macromolecular compounds or prepolymers obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/285—Acrylic resins
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/24—Coatings containing organic materials
    • C03C25/26—Macromolecular compounds or prepolymers
    • C03C25/32—Macromolecular compounds or prepolymers obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
    • C03C25/326—Polyureas; Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/10—Coating
    • C03C25/465—Coatings containing composite materials
    • C03C25/47—Coatings containing composite materials containing particles, fibres or flakes, e.g. in a continuous phase
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C25/00—Surface treatment of fibres or filaments made from glass, minerals or slags
    • C03C25/62—Surface treatment of fibres or filaments made from glass, minerals or slags by application of electric or wave energy; by particle radiation or ion implantation
    • C03C25/6206—Electromagnetic waves
    • C03C25/6226—Ultraviolet
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2/00—Processes of polymerisation
    • C08F2/46—Polymerisation initiated by wave energy or particle radiation
    • C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
    • C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/064—Polymers containing more than one epoxy group per molecule
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
    • C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
    • C08F290/06—Polymers provided for in subclass C08G
    • C08F290/067—Polyurethanes; Polyureas
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/671—Unsaturated compounds having only one group containing active hydrogen
    • C08G18/672—Esters of acrylic or alkyl acrylic acid having only one group containing active hydrogen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
    • C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
    • C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02395—Glass optical fibre with a protective coating, e.g. two layer polymer coating deposited directly on a silica cladding surface during fibre manufacture
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2231—Oxides; Hydroxides of metals of tin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2244—Oxides; Hydroxides of metals of zirconium
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica

Definitions

  • the present disclosure relates to resin compositions, secondary coating materials for optical fibers, optical fibers and methods for producing optical fibers.
  • This application claims priority based on Japanese Application No. 2019-108595 filed on June 11, 2019, and incorporates all the contents described in the Japanese application.
  • an optical fiber has a coating resin layer for protecting a glass fiber which is an optical transmitter.
  • the coating resin layer generally includes a primary resin layer and a secondary resin layer.
  • a colored layer may be formed on the outermost layer of the optical fiber. It is known that the colored layer is formed on the outer periphery of the secondary resin layer by winding the optical fiber coated with the primary resin layer and the secondary resin layer once and then feeding the optical fiber again (for example, Patent Document). See 1.).
  • the resin composition according to one aspect of the present disclosure contains a base resin containing an oligomer, a monomer and a photopolymerization initiator, and inorganic oxide particles, and the inorganic oxide particles are agglomerated particles having a small angle of X-ray.
  • the volume average particle size of the inorganic oxide particles measured by the scattering method is 5 nm or more and 800 nm or less.
  • FIG. 1 is a schematic cross-sectional view showing an example of an optical fiber according to the present embodiment.
  • FIG. 2 is an SEM photograph of the dispersed state of the inorganic oxide particles used in Example 2.
  • FIG. 3 is an SEM photograph of the dispersed state of the inorganic oxide particles used in Comparative Example 2.
  • the present disclosure provides an optical fiber comprising a resin composition capable of forming a coating resin layer having excellent trauma resistance and a secondary resin layer formed from the resin composition, and capable of preventing trauma during rewinding work. With the goal.
  • an optical fiber provided with a resin composition capable of forming a coating resin layer having excellent trauma resistance and a secondary resin layer formed from the resin composition, which can prevent trauma during rewinding work. can do.
  • the resin composition according to one aspect of the present disclosure contains a base resin containing an oligomer, a monomer and a photopolymerization initiator, and inorganic oxide particles, and the inorganic oxide particles are agglomerated particles having a small angle of X-ray.
  • the volume average particle size of the inorganic oxide particles measured by the scattering method is 5 nm or more and 800 nm or less.
  • the resin composition can be suitably used as an ultraviolet curable resin composition for coating an optical fiber.
  • a coating resin layer having excellent trauma resistance can be formed.
  • the standardized dispersion of the volume average particle diameter of the inorganic oxide particles may be 40% or more.
  • the content of the inorganic oxide particles may be 1% by mass or more and 60% by mass or less based on the total amount of the oligomers, monomers and inorganic oxide particles.
  • the inorganic oxide particles are more than the group consisting of silicon dioxide, zirconium dioxide, aluminum oxide, magnesium oxide, titanium oxide, tin oxide and zinc oxide. It may be a particle containing at least one selected.
  • the secondary coating material for the optical fiber according to one aspect of the present disclosure includes the above resin composition.
  • a coated resin layer having excellent trauma resistance can be formed.
  • the optical fiber according to one aspect of the present disclosure includes a glass fiber including a core and a clad, a primary resin layer that is in contact with the glass fiber and coats the glass fiber, and a secondary resin layer that coats the primary resin layer.
  • the resin layer is made of a cured product of the above resin composition.
  • the secondary resin layer according to one aspect of the present disclosure contains inorganic oxide particles, and the inorganic oxide particles are agglomerate aggregate particles, and the volume average particles of the inorganic oxide particles measured by the small-angle X-ray scattering method The diameter is 5 nm or more and 800 nm or less. This makes it possible to prevent the surface of the secondary resin layer from being scratched and the resin layer from being destroyed when the rewinding operation is performed from the large bobbin to the small bobbin.
  • the method for producing an optical fiber according to one aspect of the present disclosure includes a coating step of applying the above resin composition to the outer periphery of a glass fiber composed of a core and a clad, and a resin composition by irradiating ultraviolet rays after the coating step. Includes a curing step of curing an object. This makes it possible to manufacture an optical fiber that can prevent trauma during rewinding work.
  • the resin composition according to the present embodiment contains a base resin containing an oligomer, a monomer and a photopolymerization initiator, and inorganic oxide particles.
  • the inorganic oxide particles according to the present embodiment are agglomerated particles.
  • inorganic oxide particles can be produced by a vapor phase method, a liquid phase method or a solid phase method, and the shape of the particles differs depending on the production method.
  • the shape of the particles produced by the liquid phase method is spherical, and the shape of the particles produced by the vapor phase method is a mass having a constant agglutination structure.
  • agglomerated particles produced by the vapor phase method can be used as the inorganic oxide particles according to the present embodiment. By using the agglomerated particles, a resin layer having excellent trauma resistance can be formed.
  • the inorganic oxide particles are not particularly limited, but are excellent in dispersibility in the resin composition and the Young ratio can be easily adjusted. Therefore, silicon dioxide (silica), zirconium dioxide (zirconia), aluminum oxide (alumina), and oxidation It is preferable that the particles contain at least one selected from the group consisting of magnesium (magnesia), titanium oxide (titania), tin oxide and zinc oxide.
  • Silica particles produced by the vapor phase method as the agglomerated particles according to the present embodiment from the viewpoints of low cost, easy surface treatment, ultraviolet transmission, and easy to impart appropriate hardness to the resin layer. (Hereinafter, it may be referred to as "gas phase silica particles".) It is more preferable to use.
  • the surface of the agglomerated particles according to the present embodiment is preferably treated hydrophobically with a silane compound.
  • the hydrophobic treatment according to the present embodiment means that a hydrophobic group is introduced on the surface of the aggregated particles.
  • the agglomerated particles into which the hydrophobic group has been introduced can be dispersed in the resin composition while retaining the initial agglutinated structure.
  • the hydrophobic group is an ultraviolet curable reactive group such as a (meth) acryloyl group or a vinyl group, or a non-reactive group such as a hydrocarbon group (for example, an alkyl group) or an aryl group (for example, a phenyl group). It may be.
  • the agglomerated particles have a reactive group, it is easy to form a resin layer having a high Young's modulus.
  • silane compound having a reactive group examples include 3-methacryloxypropyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltriethoxysilane, and 8- Examples thereof include methacryloxyoctyltrimethoxysilane, 8-acryloxyoctyltrimethoxysilane, 7-octenyltrimethoxysilane, vinyltrimethoxysilane and vinyltriethoxysilane.
  • silane compound having an alkyl group examples include methyltrimethoxysilane, dimethyldimethoxysilane, ethyltrimethoxysilane, propyltrimethoxysilane, butyltrimethoxysilane, pentiltrimethoxysilane, hexyltrimethoxysilane, and octyltrimethoxysilane.
  • Examples thereof include methyltriethoxysilane, dimethyldiethoxysilane, ethyltriethoxysilane, propyltriethoxysilane, butyltriethoxysilane, pentyltriethoxysilane, hexyltriethoxysilane and octyltriethoxysilane.
  • silane compound having a phenyl group examples include phenyltrimethoxysilane and phenyltriethoxysilane.
  • the inorganic oxide particles according to this embodiment are dispersed in a dispersion medium.
  • the inorganic oxide particles can be uniformly dispersed in the resin composition without further agglomeration while maintaining the initial state of the agglomerated particles, and the resin composition.
  • the storage stability of an object can be improved.
  • the dispersion medium is not particularly limited as long as it does not inhibit the curing of the resin composition.
  • the dispersion medium may be reactive or non-reactive.
  • a monomer such as a (meth) acryloyl compound or an epoxy compound
  • examples of the (meth) acrylic compound include 1,6-hexanediol di (meth) acrylate, EO-modified bisphenol A di (meth) acrylate, polyethylene glycol di (meth) acrylate, and PO-modified bisphenol A di (meth) acrylate.
  • the (meth) acryloyl compound exemplified by the monomer described later may be used.
  • a ketone solvent such as methyl ethyl ketone (MEK), an alcohol solvent such as methanol (methanol), or an ester solvent such as propylene glycol monomethyl ether acetate (PGMEA) may be used.
  • MEK methyl ethyl ketone
  • methanol methanol
  • PMEA propylene glycol monomethyl ether acetate
  • the base resin and the inorganic oxide particles dispersed in the dispersion medium may be mixed, and then a part of the dispersion medium may be removed to prepare a resin composition.
  • the inorganic oxide particles dispersed in the dispersion medium exist in a dispersed state without further agglomeration of agglomerated particles in the resin layer even after the resin composition is cured.
  • a reactive dispersion medium used, the inorganic oxide particles are mixed with the resin composition together with the dispersion medium and incorporated into the resin layer while maintaining the dispersed state.
  • a non-reactive dispersion medium used, at least a part of the dispersion medium volatilizes from the resin composition and disappears, but the inorganic oxide particles remain in the resin composition in a dispersed state and the cured resin layer. Also exists in a dispersed state.
  • the volume average particle diameter of the inorganic oxide particles measured by the small-angle X-ray scattering method is 5 nm or more and 800 nm or less.
  • the volume average particle size may be 20 nm or more and 780 nm or less, 25 nm or more and 750 nm or less, or 30 nm or more and 700 nm or less.
  • the standardized dispersion of the volume average particle size is preferably 40% or more, more preferably more than 40%, and further preferably 42% or more. It is preferably 45% or more, and particularly preferably 45% or more. From the viewpoint of maintaining good dispersibility of the inorganic oxide particles, the standardized dispersion of the volume average particle size is preferably 95% or less, more preferably 90% or less, and 85% or less. Is more preferable.
  • the volume average particle diameter of the inorganic oxide particles and the normalized dispersion thereof in the resin composition are varied by adjusting the surface treatment of the inorganic oxide particles using the inorganic oxide particles produced by the vapor phase method. be able to.
  • the small-angle X-ray scattering method is a method for quantifying the shape, distribution, etc. of a scatterer by analyzing the X-ray scattering intensity obtained at a scattering angle of 5 ° or less.
  • the volume average particle size and the normalized dispersion showing the variation in particle size can be obtained from the scattering intensity profile of X-rays. That is, by fitting by the non-linear minimum square method so that the measured X-ray scattering intensity and the X-ray scattering intensity calculated from the theoretical formula shown by the function of the particle size and the particle size distribution are approximated, the volume is increased.
  • the average particle size and its standardized dispersion can be obtained.
  • the content of the inorganic oxide particles is preferably 1% by mass or more and 60% by mass or less based on the total amount of the oligomer, the monomer and the inorganic oxide particles, but may be 2% by mass or more and 50% by mass or less. It may be 5% by mass or more and 40% by mass or less, or 10% by mass or more and 35% by mass or less.
  • the content of the inorganic oxide particles is 1% by mass or more, it becomes easy to form a resin layer having a high Young's modulus.
  • the content of the inorganic oxide particles is 60% by mass or less, the coatability of the resin composition can be easily improved, and a resin layer having excellent toughness can be formed.
  • the base resin according to this embodiment contains an oligomer, a monomer, and a photopolymerization initiator.
  • the oligomer preferably contains a urethane (meth) acrylate oligomer.
  • a urethane (meth) acrylate oligomer an oligomer obtained by reacting a polyol compound, a polyisocyanate compound, and a hydroxyl group-containing (meth) acrylate compound can be used.
  • the (meth) acrylate means an acrylate or a methacrylate corresponding thereto.
  • Examples of the polyol compound include polytetramethylene glycol, polypropylene glycol and bisphenol A / ethylene oxide-added diol.
  • Examples of the polyisocyanate compound include 2,4-tolylene diisocyanate, 2,6-tolylene diisocyanate, isophorone diisocyanate and dicyclohexylmethane 4,4'-diisocyanate.
  • Examples of the hydroxyl group-containing (meth) acrylate compound include 2-hydroxyethyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 1,6-hexanediol mono (meth) acrylate, pentaerythritol tri (meth) acrylate, and the like. Examples thereof include 2-hydroxypropyl (meth) acrylate and tripropylene glycol mono (meth) acrylate.
  • the number average molecular weight (Mn) of the polyol compound may be 300 or more and 3000 or less.
  • An organic tin compound is generally used as a catalyst when synthesizing a urethane (meth) acrylate oligomer.
  • organotin compound examples include dibutyltin dilaurate, dibutyltin diacetate, dibutyltinmalate, dibutyltinbis (2-ethylhexyl mercaptoacetate), dibutyltinbis (isooctyl mercaptoacetate) and dibutyltin oxide. From the viewpoint of easy availability or catalytic performance, it is preferable to use dibutyltin dilaurate or dibutyltin diacetate as the catalyst.
  • a lower alcohol having 5 or less carbon atoms may be used when synthesizing the urethane (meth) acrylate oligomer.
  • the lower alcohol include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-2-propanol, 1-pentanol, 2-pentanol, 3-pentanol, and the like. Examples thereof include 2-methyl-1-butanol, 3-methyl-1-butanol, 2-methyl-2-butanol, 3-methyl-2-butanol and 2,2-dimethyl-1-propanol.
  • the oligomer may further contain an epoxy (meth) acrylate oligomer.
  • an epoxy (meth) acrylate oligomer an oligomer obtained by reacting an epoxy resin having two or more glycidyl groups with a compound having a (meth) acryloyl group can be used.
  • a monofunctional monomer having one polymerizable group and a polyfunctional monomer having two or more polymerizable groups can be used. Two or more kinds of monomers may be mixed and used.
  • Examples of the monofunctional monomer include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, n-butyl (meth) acrylate, s-butyl (meth) acrylate, and tert-butyl (meth) acrylate.
  • Heterocyclic-containing (meth) acrylates such as pyrrolidine, 3- (3-pyridine) propyl (meth) acrylates and cyclic trimethylolpropaneformal acrylates; maleimide-based monomers such as maleimide, N-cyclohexyl maleimide and N-phenylmaleimide; (Meta) acrylamide, N, N-dimethyl (meth) acrylamide, N, N-diethyl (meth) acrylamide, N-hexyl (meth) acrylamide, N-methyl (meth) acrylamide, N-butyl (meth) acrylic acrylate N-substituted amide-based monomers such as de, N-butyl (meth) acrylamide, N-methylol (meth) acrylamide, N-methylolpropane (meth) acrylamide; aminoethyl (meth) acrylate, aminopropyl (meth) acrylate.
  • Aminoalkyl (meth) acrylate monomers such as N, N-dimethylaminoethyl (meth) acrylate, tert-butylaminoethyl (meth) acrylate; N- (meth) acryloyloxymethylene succinimide, N- (meth) ) Succinimide-based monomers such as acryloyl-6-oxyhexamethylene succinimide and N- (meth) acryloyl-8-oxyoctamethylene succinimide can be mentioned.
  • polyfunctional monomer examples include ethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, polypropylene glycol di (meth) acrylate, neopentyl glycol di (meth) acrylate, and tripropylene glycol di (meth) acrylate.
  • Di (meth) acrylate of alkylene oxide adduct of bisphenol A tetraethylene glycol di (meth) acrylate, neopentyl glycol di (meth) acrylate of hydroxypivalate, 1,4-butanediol di (meth) acrylate, 1,6 -Hexanediol di (meth) acrylate, 1,9-nonanediol di (meth) acrylate, 1,12-dodecanediol di (meth) acrylate, 1,14-tetradecanediol di (meth) acrylate, 1,16-hexadecane EO addition of diol di (meth) acrylate, 1,20-eicosane diol di (meth) acrylate, isopentyl diol di (meth) acrylate, 3-ethyl-1,8-octane diol di (meth) acrylate, bisphenol A
  • the photopolymerization initiator it can be appropriately selected from known radical photopolymerization initiators and used.
  • the photopolymerization initiator include 1-hydroxycyclohexylphenyl ketone (Omnirad 184, manufactured by IGM Resins), 2,2-dimethoxy-2-phenylacetophenone, 1- (4-isopropylphenyl) -2-hydroxy-2-.
  • Methylpropan-1-one bis (2,6-dimethoxybenzoyl) -2,4,4-trimethylpentylphosphine oxide, 2-methyl-1- [4- (methylthio) phenyl] -2-morpholino-propane-1 -On (Omnirad 907, manufactured by IGM Resins), 2,4,6-trimethylbenzoyldiphenylphosphine oxide (Omnirad TPO, manufactured by IGM Resins) and bis (2,4,6-trimethylbenzoyl) phenylphosphine oxide (Omnirad 819) , IGM Resins).
  • the resin composition may further contain a silane coupling agent, a leveling agent, an antifoaming agent, an antioxidant, a sensitizer and the like.
  • the silane coupling agent is not particularly limited as long as it does not interfere with the curing of the resin composition.
  • examples of the silane coupling agent include tetramethyl silicate, tetraethyl silicate, mercaptopropyltrimethoxysilane, vinyltrichlorosilane, vinyltriethoxysilane, vinyltris ( ⁇ -methoxy-ethoxy) silane, and ⁇ - (3,4-epylcyclohexyl).
  • -Ethyltrimethoxysilane dimethoxydimethylsilane, diethoxydimethylsilane, 3-acryloxypropyltrimethoxysilane, ⁇ -glycidoxypropyltrimethoxysilane, ⁇ -glycidoxypropylmethyldiethoxysilane, ⁇ -methacryloxypropyl Trimethoxysilane, N- ( ⁇ -aminoethyl) - ⁇ -aminopropyltrimethoxysilane, N- ( ⁇ -aminoethyl) - ⁇ -aminopropyltrimethyldimethoxysilane, N-phenyl- ⁇ -aminopropyltrimethoxysilane, ⁇ -Chloropropyltrimethoxysilane, ⁇ -mercaptopropyltrimethoxysilane, ⁇ -aminopropyltrimethoxysilane, bis- [3- (triethoxysilyl) prop
  • the viscosity of the resin composition according to the present embodiment is preferably 300 mPa ⁇ s or more and 5000 mPa ⁇ s or less at 45 ° C., more preferably 400 mPa ⁇ s or more and 4500 mPa ⁇ s or less, and 500 mPa ⁇ s or more and 3500 mPa ⁇ s. It is more preferably s or less.
  • the viscosity of the resin composition is in the above range, the coatability of the resin composition can be improved.
  • the resin composition according to this embodiment can be suitably used as a secondary coating material for an optical fiber.
  • a coated resin layer having excellent trauma resistance can be formed.
  • FIG. 1 is a schematic cross-sectional view showing an example of an optical fiber according to the present embodiment.
  • the optical fiber 10 includes a glass fiber 13 including a core 11 and a clad 12, and a coating resin layer 16 including a primary resin layer 14 and a secondary resin layer 15 provided on the outer periphery of the glass fiber 13.
  • the clad 12 surrounds the core 11.
  • the core 11 and the clad 12 mainly contain glass such as quartz glass.
  • glass such as quartz glass.
  • quartz glass or pure quartz glass to which germanium is added can be used for the core 11, and pure quartz glass or pure quartz glass or pure quartz glass can be used for the clad 12.
  • Fused quartz glass to which fluorine has been added can be used.
  • the outer diameter (D2) of the glass fiber 13 is about 100 ⁇ m to 125 ⁇ m, and the diameter (D1) of the core 11 constituting the glass fiber 13 is about 7 ⁇ m to 15 ⁇ m.
  • the thickness of the coating resin layer 16 is usually about 22 ⁇ m to 70 ⁇ m.
  • the thickness of each of the primary resin layer 14 and the secondary resin layer 15 may be about 5 ⁇ m to 50 ⁇ m.
  • the thickness of each layer of the primary resin layer 14 and the secondary resin layer 15 is about 10 ⁇ m to 50 ⁇ m.
  • the thickness of the primary resin layer 14 may be 35 ⁇ m, and the thickness of the secondary resin layer 15 may be 25 ⁇ m.
  • the outer diameter of the optical fiber 10 may be about 245 ⁇ m to 265 ⁇ m.
  • the thickness of each layer of the primary resin layer 14 and the secondary resin layer 15 is about 10 ⁇ m to 38 ⁇ m.
  • the thickness of the primary resin layer 14 may be 25 ⁇ m, and the thickness of the secondary resin layer 15 may be 10 ⁇ m.
  • the outer diameter of the optical fiber 10 may be about 179 ⁇ m to 221 ⁇ m.
  • the thickness of each layer of the primary resin layer 14 and the secondary resin layer 15 is about 5 ⁇ m to 32 ⁇ m.
  • the thickness of the primary resin layer 14 may be 25 ⁇ m, and the thickness of the secondary resin layer 15 may be 10 ⁇ m.
  • the outer diameter of the optical fiber 10 may be about 144 ⁇ m to 174 ⁇ m.
  • the resin composition according to this embodiment can be applied to a secondary resin layer.
  • the secondary resin layer can be formed by curing a resin composition containing the above-mentioned inorganic oxide particles and a base resin.
  • the secondary resin layer contains inorganic oxide particles, and the inorganic oxide particles are agglomerated particles, and the volume average particle diameter of the inorganic oxide particles measured by the small-angle X-ray scattering method is 5 nm or more and 800 nm or less. ..
  • This makes it possible to prevent the surface of the secondary resin layer from being scratched and the resin layer from being destroyed when the rewinding operation is performed from the large bobbin to the small bobbin.
  • the anti-blocking effect suppresses sticking between the fibers, and the optical fiber can be wound on a small bobbin without winding abnormalities such as winding jumps.
  • the method for producing an optical fiber according to the present embodiment is a coating step of applying the above resin composition to the outer periphery of a glass fiber composed of a core and a clad, and a coating step of applying ultraviolet rays after the coating step to apply the resin composition. Includes a curing step of curing.
  • the Young's modulus of the secondary resin layer is preferably 1300 MPa or more, more preferably 1300 MPa or more and 3600 MPa or less, and further preferably 1400 MPa or more and 3000 MPa or less at 23 ° C.
  • the Young's modulus of the secondary resin layer is 1300 MPa or more, the lateral pressure characteristics are easily improved, and when it is 3600 MPa or less, appropriate toughness can be imparted to the secondary resin layer, so that cracks or the like are less likely to occur in the secondary resin layer.
  • the primary resin layer 14 can be formed by curing, for example, a resin composition containing a urethane (meth) acrylate oligomer, a monomer, a photopolymerization initiator and a silane coupling agent.
  • a resin composition for the primary resin layer a conventionally known technique can be used.
  • the urethane (meth) acrylate oligomer, monomer, photopolymerization initiator and silane coupling agent may be appropriately selected from the compounds exemplified in the above base resin.
  • the resin composition forming the primary resin layer has a composition different from that of the base resin forming the secondary resin layer.
  • Resin composition for secondary resin layer (Oligomer)
  • oligomers a urethane acrylate oligomer (UA) obtained by reacting polypropylene glycol having a molecular weight of 600, 2,4-tolylene diisocyanate and hydroxyethyl acrylate, and an epoxy acrylate oligomer (EA) were prepared.
  • Photopolymerization initiator As a photopolymerization initiator, 1-hydroxycyclohexylphenyl ketone and 2,4,6-trimethylbenzoyldiphenylphosphine oxide were prepared.
  • a silica sol (MEK dispersion) containing agglomerated silica particles in which a vapor phase method silica particles are surface-treated with 3-methacryloxypropyltrimethoxysilane and a methacryloyl group is introduced, and a liquid phase method
  • the silica particles were surface-treated with 3-methacryloxypropyltrimethoxysilane to prepare a silica sol (MEK dispersion) containing spherical silica particles into which a methacryloyl group was introduced.
  • Resin composition UA 45 parts by mass, EA 13.5 parts by mass, POA 10 parts by mass, IBXA 9 parts by mass, TPGDA 22.5 parts by mass, 2,4,6-trimethylbenzoyldiphenylphosphine oxide 0.5 parts by mass, and 1-hydroxycyclohexylphenylketone 0.
  • a base resin was prepared by mixing 5 parts by mass.
  • FIG. 2 shows a scanning electron microscope (SEM) photograph of the dispersed state of the inorganic oxide particles used in Example 2. From FIG. 2, it can be confirmed that the inorganic oxide particles used in the examples are dispersed in the state of agglomerated particles.
  • FIG. 3 shows an SEM photograph of the dispersed state of the inorganic oxide particles used in Comparative Example 2. From FIG. 3, it can be confirmed that the inorganic oxide particles used in Comparative Example 2 are dispersed in the state of spherical primary particles.
  • Example or Comparative Example The resin composition obtained in Example or Comparative Example was injected into a borosilicate glass capillary having a length of 8 mm and 2 mm ⁇ using a syringe. Then, the opening of the glass capillary was sealed with clay to prepare a sample for measurement. X-rays were incident perpendicularly to the measurement sample, and X-rays scattered backward from the sample at a minute angle (small angle) of 5 degrees or less with respect to the incident X-rays were measured with a two-dimensional detector. In the two-dimensional detector, a scattering pattern scattered in the 360 ° direction was acquired.
  • the beamline "BL8S3" of the Aichi Synchrotron Optical Center is mainly used, and for the region where the particle size is large (generally 50 nm or more), Aichi Synchrotron is used.
  • Scattering patterns were acquired using the beamline "BL8S3" of the TRON optical center and the beamline "BL19B2" of SPring-8.
  • the experimental conditions for each were as follows. "BL8S3”: X-ray energy 13.5 keV, camera length 4 m, detector R-AXISIV ++. "BL19B2": X-ray energy 18 keV, camera length 42 m, detector PILATUS 2M.
  • the X-ray scattering intensity profile obtained as described above was analyzed using the particle size / pore analysis software "NANO-Solver, Ver.3.7” (manufactured by Rigaku Co., Ltd.). More specifically, fitting was performed by the nonlinear least squares method so that the measured X-ray scattering intensity and the value of the X-ray scattering intensity calculated by the analysis software were approximated. From the fitting results, the volume average particle size of the inorganic oxide particles and their normalized dispersion were calculated. In the analysis, it was assumed that the inorganic oxide particles were completely spherical.
  • Resin composition for primary resin layer (Oligomer) A urethane acrylate oligomer obtained by reacting polypropylene glycol, isophorone diisocyanate, hydroxyethyl acrylate and methanol having a molecular weight of 4000 was prepared.
  • (Resin composition) 75 parts by mass of urethane acrylate oligomer, 12 parts by mass of nonylphenol EO modified acrylate, 6 parts by mass of N-vinylcaprolactam, 2 parts by mass of 1,6-hexanediol diacrylate, 1 part by mass of 2,4,6-trimethylbenzoyldiphenylphosphine oxide , And 1 part by mass of 3-mercaptopropyltrimethoxysilane were mixed to prepare a resin composition for the primary resin layer.
  • a resin composition for a primary resin layer and a resin composition of Example or Comparative Example are applied to the outer periphery of a glass fiber having a diameter of 125 ⁇ m composed of a core and a clad for a secondary resin layer, and then irradiated with ultraviolet rays.
  • the resin composition was cured to form a primary resin layer having a thickness of 35 ⁇ m and a secondary resin layer having a thickness of 25 ⁇ m on the outer periphery thereof to prepare an optical fiber.
  • the line speed was 1500 m / min.
  • the Young's modulus of the secondary resin layer is tensioned in an environment of 23 ⁇ 2 ° C. and 50 ⁇ 10% RH using a pipe-shaped coated resin layer (length: 50 mm or more) obtained by extracting the glass fiber from the optical fiber. A test (distance between marked lines: 25 mm) was performed, and the value was determined from the 2.5% score line value.
  • Rewind rate The rate of increase in transmission loss when the optical fiber was rewound from a large bobbin to a small bobbin was defined as the rewinding rate.
  • the case where the rewinding rate was 0% was evaluated as "A”
  • the case where the rewinding rate was more than 0% and less than 30% was evaluated as "B”
  • the case where the rewinding rate was 30% or more was evaluated as "C”.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Wood Science & Technology (AREA)
  • Composite Materials (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Polymerisation Methods In General (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
PCT/JP2020/022330 2019-06-11 2020-06-05 樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法 Ceased WO2020250826A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2021526068A JP7494849B2 (ja) 2019-06-11 2020-06-05 樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法
EP20823485.6A EP3984974A4 (en) 2019-06-11 2020-06-05 RESIN COMPOSITION, SECONDARY COATING MATERIAL FOR OPTICAL FIBER, OPTICAL FIBER AND METHOD FOR MANUFACTURING OPTICAL FIBER
CN202080041028.3A CN113993921B (zh) 2019-06-11 2020-06-05 树脂组合物、光纤的次级被覆材料、光纤及光纤的制造方法
US17/295,982 US11947161B2 (en) 2019-06-11 2020-06-05 Resin composition, optical fiber secondary coating material, optical fiber and manufacturing method of optical fiber

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-108595 2019-06-11
JP2019108595 2019-06-11

Publications (1)

Publication Number Publication Date
WO2020250826A1 true WO2020250826A1 (ja) 2020-12-17

Family

ID=73780957

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/022330 Ceased WO2020250826A1 (ja) 2019-06-11 2020-06-05 樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法

Country Status (6)

Country Link
US (1) US11947161B2 (https=)
EP (1) EP3984974A4 (https=)
JP (1) JP7494849B2 (https=)
CN (1) CN113993921B (https=)
TW (1) TWI851738B (https=)
WO (1) WO2020250826A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025041663A1 (ja) * 2023-08-24 2025-02-27 住友電気工業株式会社 光ファイバ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3989681A4 (en) * 2019-06-18 2022-07-20 Sumitomo Electric Industries, Ltd. GLASS FIBER

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217011A (ja) * 1985-03-22 1986-09-26 Furukawa Electric Co Ltd:The 強化光フアイバ
US20120321265A1 (en) * 2009-11-26 2012-12-20 Lidia Terruzzi Optical fiber with double coating
WO2016080195A1 (ja) 2014-11-20 2016-05-26 株式会社フジクラ 光ファイバテープ心線、光ファイバケーブル、および、光ファイバテープ心線の製造方法
JP2019108595A (ja) 2017-12-19 2019-07-04 東邦チタニウム株式会社 チタン又はチタン合金圧粉体の製造方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4517996B2 (ja) * 2004-11-19 2010-08-04 三菱化学株式会社 下引き層形成用塗布液、該塗布液の製造方法、該塗布液を塗布してなる下引き層を有する感光体、該感光体を用いる画像形成装置、および該感光体を用いる電子写真カートリッジ
TW200728378A (en) * 2005-11-02 2007-08-01 Mitsui Chemicals Inc Resin composites containing oxide ultrafine particles
JP2007154159A (ja) * 2005-11-09 2007-06-21 Konica Minolta Opto Inc 有機無機複合材料及び光学素子
CN101454246A (zh) * 2006-06-09 2009-06-10 株式会社德山 干式二氧化硅微粒
DE602006005255D1 (de) * 2006-12-05 2009-04-02 Dsm Ip Assets Bv Strahlungshärtbare Beschichtungszusammensetzung
CN104603647B (zh) * 2012-08-03 2016-07-06 帝人杜邦薄膜日本有限公司 白色反射性膜
EP2952490A4 (en) * 2013-02-04 2016-10-05 Sumitomo Electric Industries FIBER OPTICAL FORM AND METHOD FOR PRODUCING A FIBER OPTICAL PRESENTATION
JP2014219550A (ja) 2013-05-08 2014-11-20 住友電気工業株式会社 光ファイバ心線
EP3279230A1 (en) * 2016-08-03 2018-02-07 Sika Technology AG Polymer blends for epoxy resins compositions
US11230615B2 (en) * 2018-02-14 2022-01-25 Mighty Buildings, Inc. Dual-mediated polymerizable composite for additive manufacturing
US20210230337A1 (en) 2019-02-18 2021-07-29 Sumitomo Electric Industries, Ltd. Resin composition for covering optical fiber
US11820704B2 (en) 2019-06-19 2023-11-21 Sumitomo Electric Industries, Ltd. Resin composition, secondary coating material for optical fiber, optical fiber, and method for producing optical fiber

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61217011A (ja) * 1985-03-22 1986-09-26 Furukawa Electric Co Ltd:The 強化光フアイバ
US20120321265A1 (en) * 2009-11-26 2012-12-20 Lidia Terruzzi Optical fiber with double coating
WO2016080195A1 (ja) 2014-11-20 2016-05-26 株式会社フジクラ 光ファイバテープ心線、光ファイバケーブル、および、光ファイバテープ心線の製造方法
JP2019108595A (ja) 2017-12-19 2019-07-04 東邦チタニウム株式会社 チタン又はチタン合金圧粉体の製造方法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
I. S. FEDOROVAP. SCHMIDT, J. APPL. CRYST., vol. 11, 1978, pages 405
See also references of EP3984974A4

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025041663A1 (ja) * 2023-08-24 2025-02-27 住友電気工業株式会社 光ファイバ

Also Published As

Publication number Publication date
JPWO2020250826A1 (https=) 2020-12-17
US20220026631A1 (en) 2022-01-27
JP7494849B2 (ja) 2024-06-04
US11947161B2 (en) 2024-04-02
CN113993921A (zh) 2022-01-28
TW202106822A (zh) 2021-02-16
TWI851738B (zh) 2024-08-11
CN113993921B (zh) 2024-08-06
EP3984974A4 (en) 2022-07-20
EP3984974A1 (en) 2022-04-20

Similar Documents

Publication Publication Date Title
JPWO2020101030A1 (ja) 樹脂組成物及び光ファイバ
JP7367696B2 (ja) 樹脂組成物、光ファイバ及び光ファイバの製造方法
JPWO2019203236A1 (ja) 光ファイバ
WO2021019908A1 (ja) 光ファイバリボン及び光ファイバケーブル
JPWO2019194198A1 (ja) 樹脂組成物、光ファイバのセカンダリ被覆材料及び光ファイバ
JPWO2020071544A1 (ja) 樹脂組成物及び光ファイバ
JP7367697B2 (ja) 樹脂組成物、光ファイバ及び光ファイバの製造方法
WO2020250838A1 (ja) 樹脂組成物、光ファイバ及び光ファイバの製造方法
JP7388426B2 (ja) 光ファイバ被覆用の樹脂組成物
WO2020250826A1 (ja) 樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法
WO2020255774A1 (ja) 樹脂組成物、光ファイバ及び光ファイバの製造方法
JP7388425B2 (ja) 光ファイバ
US11820704B2 (en) Resin composition, secondary coating material for optical fiber, optical fiber, and method for producing optical fiber
WO2020255830A1 (ja) 樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法
WO2022130808A1 (ja) 樹脂組成物、光ファイバのセカンダリ被覆材料、光ファイバ及び光ファイバの製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20823485

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021526068

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2020823485

Country of ref document: EP

Effective date: 20220111