CN104062703B - A kind of bending resistance refractive power is fine - Google Patents
A kind of bending resistance refractive power is fine Download PDFInfo
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- CN104062703B CN104062703B CN201410323728.8A CN201410323728A CN104062703B CN 104062703 B CN104062703 B CN 104062703B CN 201410323728 A CN201410323728 A CN 201410323728A CN 104062703 B CN104062703 B CN 104062703B
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- 238000005452 bending Methods 0.000 title claims abstract description 79
- 239000000835 fiber Substances 0.000 claims abstract description 66
- 239000013307 optical fiber Substances 0.000 claims abstract description 43
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 39
- -1 acrylamido Chemical group 0.000 claims description 39
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 26
- 239000002994 raw material Substances 0.000 claims description 26
- 238000004040 coloring Methods 0.000 claims description 17
- 238000005253 cladding Methods 0.000 claims description 14
- YHHKOCQFUSUCCG-UHFFFAOYSA-N 3-hydroxy-2-methyl-1-phenylpropan-1-one Chemical class OCC(C)C(=O)C1=CC=CC=C1 YHHKOCQFUSUCCG-UHFFFAOYSA-N 0.000 claims description 13
- FHAOAWUJYUEJGF-UHFFFAOYSA-N N-[3-[2-aminopropyl(diethoxy)silyl]oxybutyl]prop-2-enamide Chemical compound C(C=C)(=O)NCCC(C)O[Si](OCC)(OCC)CC(C)N FHAOAWUJYUEJGF-UHFFFAOYSA-N 0.000 claims description 13
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 13
- 239000002253 acid Substances 0.000 claims description 13
- 125000004423 acyloxy group Chemical group 0.000 claims description 13
- 239000003822 epoxy resin Substances 0.000 claims description 13
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 13
- 229920000647 polyepoxide Polymers 0.000 claims description 13
- 229920005749 polyurethane resin Polymers 0.000 claims description 13
- 238000010276 construction Methods 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 238000007639 printing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- 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
- G02B6/028—Optical fibres with cladding with or without a coating with core or cladding having graded refractive index
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
-
- 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
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
Abstract
The invention belongs to technical field of optical fiber, especially relate to a kind of bending resistance refractive power fine, it includes fibre core, be positioned at fibre core outside covering, be positioned at the coat outside covering, be positioned at coat outside dyed layer, it is characterised in that: also have a bend resistance outer layer between coat and dyed layer；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > bend resistance outer layer of the refractive index > coat of the refractive index > covering of fibre core.The present invention has following main beneficial effect: simple in construction, easily realize, there is excellent folding quality, use wider, for construction time bending require lower.
Description
Technical field
The invention belongs to technical field of optical fiber, especially relate to the optical fiber of a kind of resistance to bending.
Background technology
Along with developing rapidly of fiber to the home and fiber to the desk technology, the construction of optical-fiber network is accelerated day by day.Using at present the widest in Optical Access Network is LWPF, and its bending radius is generally recommended as about 30mm.But, in actual use, user or workmen are usually less than this recommendation for the bending radius of optical fiber, therefore, usually there will be the fracture of optical fiber, say, that the resistance to bending performance of optical fiber is undesirable.
Summary of the invention
In order to solve the problems referred to above, it is an object of the invention to disclose a kind of bending resistance refractive power fibre, it can still keep good optics and machinery, ambient temperature performance under relatively low bending radius, and it realizes by the following technical solutions.
In the embodiment 1 of the present invention, a kind of bending resistance refractive power is fine, it includes fibre core 1, be positioned at fibre core outside covering 2, be positioned at the coat 3 outside covering, be positioned at coat outside dyed layer 5, it is characterised in that: also have a bend resistance outer layer 4 between coat and dyed layer；Described cladding diameter is 123～127 μm, fibre core/cald concentricity error≤0.6 μm, non-circularity of cladding≤1.0%, and coat diameter is 210～230 μm, and bend resistance outer layer diameter is 225～245 μm, and dyed layer diameter is 240～260 μm；The fine bending radius with 30mm of described bending resistance refractive power is loose after 100 circles, 1310nm wavelength additional attenuation≤0.05dB/Km, 1383nm wavelength additional attenuation≤0.05dB/Km, 1550nm wavelength additional attenuation≤0.1dB/Km, 1625nm wavelength additional attenuation≤0.1dB/Km；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > bend resistance outer layer of the refractive index > coat of the refractive index > covering of fibre core；Described bend resistance outer layer by weight, is made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15～25 parts；
Acrylic acid organic siliconresin: 15～35 parts；
Acrylic acid epoxy resin: 15～35 parts；
Acrylic polyurethane resin: 15～25 parts；
2 hydroxymethyl propiophenones: 1～2 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2～5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1～2 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5～1.5 part.
In the embodiment 2 of the present invention, a kind of bending resistance refractive power is fine, it includes fibre core 1, be positioned at fibre core outside covering 2, be positioned at the coat 3 outside covering, be positioned at coat outside dyed layer 5, it is characterised in that: also have a bend resistance internal layer 10 between fibre core and covering；Described cladding diameter is 123～127 μm, fibre core/cald concentricity error≤0.6 μm, non-circularity of cladding≤1.0%, and coat diameter is 235～250 μm, and bend resistance internal layer diameter is 8.5～20 μm, and dyed layer diameter is 240～260 μm；The fine bending radius with 30mm of described bending resistance refractive power is loose after 100 circles, 1310nm wavelength additional attenuation≤0.05dB/Km, 1383nm wavelength additional attenuation≤0.05dB/Km, 1550nm wavelength additional attenuation≤0.1dB/Km, 1625nm wavelength additional attenuation≤0.1dB/Km；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > coat of the refractive index > covering of the refractive index > bend resistance internal layer of fibre core；Described bend resistance internal layer by weight, is made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15～25 parts；
Acrylic acid organic siliconresin: 15～35 parts；
Acrylic acid epoxy resin: 15～35 parts；
Acrylic polyurethane resin: 15～25 parts；
2 hydroxymethyl propiophenones: 1～2 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2～5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1～2 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5～1.5 part.
In the embodiment 3 of the present invention, a kind of bending resistance refractive power is fine, it includes fibre core 1, be positioned at fibre core outside covering 2, be positioned at the coat 3 outside covering, be positioned at coat outside dyed layer 5, it is characterized in that: between coat and dyed layer, also have a bend resistance outer layer 4, between fibre core and covering, also have a bend resistance internal layer 10；Described cladding diameter is 123～127 μm, fibre core/cald concentricity error≤0.6 μm, non-circularity of cladding≤1.0%, and coat diameter is 210～230 μm；Bend resistance internal layer diameter is 8.5～20 μm；Bend resistance outer layer diameter is 225～245 μm；Dyed layer diameter is 240～260 μm；The fine bending radius with 30mm of described bending resistance refractive power is loose after 100 circles, 1310nm wavelength additional attenuation≤0.05dB/Km, 1383nm wavelength additional attenuation≤0.05dB/Km, 1550nm wavelength additional attenuation≤0.1dB/Km, 1625nm wavelength additional attenuation≤0.1dB/Km；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > bend resistance outer layer of the refractive index > coat of the refractive index > covering of the refractive index > bend resistance internal layer of fibre core；Described bend resistance internal layer and bend resistance outer layer by weight, are all made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15～25 parts；
Acrylic acid organic siliconresin: 15～35 parts；
Acrylic acid epoxy resin: 15～35 parts；
Acrylic polyurethane resin: 15～25 parts；
2 hydroxymethyl propiophenones: 1～2 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2～5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1～2 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5～1.5 part.
In the present invention; owing to being provided with bend resistance internal layer or bend resistance outer layer or having had bend resistance internal layer and bend resistance outer layer concurrently; and bend resistance internal layer, bend resistance outer layer have high pliability; therefore; it is effectively protected optical fiber; make optical fiber when minor diameter bends, also reach highly desirable resistance to bending performance；Dyed layer in the present invention is due to the formula of its uniqueness so that it is solidification and the ductility of coloring printing ink are higher, and when repeatedly alternating bending/bending, also there are no the cracking of dyed layer, the folding for optical fiber provides further guarantee.
The present invention is through test, meet except ITU, IEC and internal optical fiber standard-required except all optical indexes, having reached times to take a segment length, to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after the bending resistance refractive power target that do not rupture of fibre, therefore, workmen no longer has the misgivings that in construction, optical fiber is easily broken off, and constructs more convenient；And, greatly expand the range of application of optical fiber, reduce the instructions for use of optical fiber.
Therefore, the present invention has following main beneficial effect: simple in construction, easily realize, there is excellent folding quality, use wider, for construction time bending require lower.
Accompanying drawing explanation
Fig. 1 is the cross-sectional structure schematic diagram of the invention process example 1.
Fig. 2 is the cross-sectional structure schematic diagram of the invention process example 2.
Fig. 3 is the cross-sectional structure schematic diagram of the invention process example 4.
Detailed description of the invention
Embodiment 1
A kind of bending resistance refractive power is fine, it includes fibre core 1, be positioned at fibre core outside covering 2, be positioned at the coat 3 outside covering, be positioned at coat outside dyed layer 5, it is characterised in that: also have a bend resistance outer layer 4 between coat and dyed layer；Described cladding diameter is 123～127 μm, fibre core/cald concentricity error≤0.6 μm, non-circularity of cladding≤1.0%, and coat diameter is 210～230 μm, and bend resistance outer layer diameter is 225～245 μm, and dyed layer diameter is 240～260 μm；The fine bending radius with 30mm of described bending resistance refractive power is loose after 100 circles, 1310nm wavelength additional attenuation≤0.05dB/Km, 1383nm wavelength additional attenuation≤0.05dB/Km, 1550nm wavelength additional attenuation≤0.1dB/Km, 1625nm wavelength additional attenuation≤0.1dB/Km；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > bend resistance outer layer of the refractive index > coat of the refractive index > covering of fibre core；Described bend resistance outer layer by weight, is made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15～25 parts；
Acrylic acid organic siliconresin: 15～35 parts；
Acrylic acid epoxy resin: 15～35 parts；
Acrylic polyurethane resin: 15～25 parts；
2 hydroxymethyl propiophenones: 1～2 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2～5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1～2 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5～1.5 part.
Repetition test through applicant, it has been found that bend resistance outer layer by weight, best results when being made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 20 parts；
Acrylic acid organic siliconresin: 30 parts；
Acrylic acid epoxy resin: 30 parts；
Acrylic polyurethane resin: 20 parts；
2 hydroxymethyl propiophenones: 1.5 parts；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 4 parts；
Described dyed layer by weight, best results when being made up of following raw material: optical fiber coloring ink: 99 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1.5 parts；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 1 part.
Embodiment 2
A kind of bending resistance refractive power is fine, it includes fibre core 1, be positioned at fibre core outside covering 2, be positioned at the coat 3 outside covering, be positioned at coat outside dyed layer 5, it is characterised in that: also have a bend resistance internal layer 10 between fibre core and covering；Described cladding diameter is 123～127 μm, fibre core/cald concentricity error≤0.6 μm, non-circularity of cladding≤1.0%, and coat diameter is 235～250 μm, and bend resistance internal layer diameter is 8.5～20 μm, and dyed layer diameter is 240～260 μm；The fine bending radius with 30mm of described bending resistance refractive power is loose after 100 circles, 1310nm wavelength additional attenuation≤0.05dB/Km, 1383nm wavelength additional attenuation≤0.05dB/Km, 1550nm wavelength additional attenuation≤0.1dB/Km, 1625nm wavelength additional attenuation≤0.1dB/Km；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > coat of the refractive index > covering of the refractive index > bend resistance internal layer of fibre core；Described bend resistance internal layer by weight, is made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15～25 parts；
Acrylic acid organic siliconresin: 15～35 parts；
Acrylic acid epoxy resin: 15～35 parts；
Acrylic polyurethane resin: 15～25 parts；
2 hydroxymethyl propiophenones: 1～2 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2～5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1～2 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5～1.5 part.
Repetition test through applicant, it has been found that bend resistance internal layer by weight, best results when being made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 20 parts；
Acrylic acid organic siliconresin: 30 parts；
Acrylic acid epoxy resin: 30 parts；
Acrylic polyurethane resin: 20 parts；
2 hydroxymethyl propiophenones: 1.5 parts；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 4 parts；
Described dyed layer by weight, best results when being made up of following raw material: optical fiber coloring ink: 99 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1.5 parts；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 1 part.
Embodiment 3
A kind of bending resistance refractive power is fine, it includes fibre core 1, be positioned at fibre core outside covering 2, be positioned at the coat 3 outside covering, be positioned at coat outside dyed layer 5, it is characterized in that: between coat and dyed layer, also have a bend resistance outer layer 4, between fibre core and covering, also have a bend resistance internal layer 10；Described cladding diameter is 123～127 μm, fibre core/cald concentricity error≤0.6 μm, non-circularity of cladding≤1.0%, and coat diameter is 210～230 μm；Bend resistance internal layer diameter is 8.5～20 μm；Bend resistance outer layer diameter is 225～245 μm；Dyed layer diameter is 240～260 μm；The fine bending radius with 30mm of described bending resistance refractive power is loose after 100 circles, 1310nm wavelength additional attenuation≤0.05dB/Km, 1383nm wavelength additional attenuation≤0.05dB/Km, 1550nm wavelength additional attenuation≤0.1dB/Km, 1625nm wavelength additional attenuation≤0.1dB/Km；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > bend resistance outer layer of the refractive index > coat of the refractive index > covering of the refractive index > bend resistance internal layer of fibre core；Described bend resistance internal layer and bend resistance outer layer by weight, are all made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15～25 parts；
Acrylic acid organic siliconresin: 15～35 parts；
Acrylic acid epoxy resin: 15～35 parts；
Acrylic polyurethane resin: 15～25 parts；
2 hydroxymethyl propiophenones: 1～2 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2～5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1～2 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5～1.5 part.
Repetition test through applicant, it has been found that bend resistance internal layer and bend resistance outer layer by weight, best results when being all made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 20 parts；
Acrylic acid organic siliconresin: 30 parts；
Acrylic acid epoxy resin: 30 parts；
Acrylic polyurethane resin: 20 parts；
2 hydroxymethyl propiophenones: 1.5 parts；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 4 parts；
Described dyed layer by weight, best results when being made up of following raw material: optical fiber coloring ink: 99 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1.5 parts；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 1 part.
Additionally, it has been found that formula as below is also more satisfactory formula:
Formula 1: bend resistance internal layer and bend resistance outer layer by weight, are all made up of following raw material: acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15 parts；
Acrylic acid organic siliconresin: 15 parts；
Acrylic acid epoxy resin: 15 parts；
Acrylic polyurethane resin: 15 parts；
2 hydroxymethyl propiophenones: 1 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5 part.
Formula 2: bend resistance internal layer and bend resistance outer layer by weight, are all made up of following raw material: acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 25 parts；
Acrylic acid organic siliconresin: 35 parts；
Acrylic acid epoxy resin: 35 parts；
Acrylic polyurethane resin: 25 parts；
2 hydroxymethyl propiophenones: 2 parts；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2 parts；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 1.5 parts.
Formula 1 and formula 2 have also reached desirable resistance to bending effect.
The folding quality of the optical fiber in above-mentioned for present invention embodiment Yu optical fiber of the prior art has been done contrast by applicant, each embodiment and optical fiber of the prior art have taken 500 as sampling test, what following table did not mark scope is meansigma methods, for sake of convenience, embodiment 13 is denoted as 1# 3#, of the prior art G.652B for 4#, be G.652D 6#, G657B3 be 7# for 5#, G657A2, test result is as follows, wherein " √ " represents that optical fiber is unbroken, and " X " represents fibercuts；Whether rupture, optical time domain reflectometer (OTDR) can be crossed and visible power instrument is tested.
It will therefore be apparent that the optical fiber of the present invention has excellent bend resistance performance.
In addition, it is painted that applicant also adopts coloring printing ink of the prior art to carry out, form dyed layer, carry out painted folding optical fiber with the formula of the dyed layer adopted in the present invention and carry out folding contrast, obtain data below, wherein, the optical fiber of 25.2 kilometers of 200 dish that adopted three embodiment dyed layers in the coloring printing ink of prior art and the present invention all；For sake of convenience, embodiment 13 being denoted as 1# 3#, the optical fiber that the prior art colored oil that three embodiments are corresponding is put is denoted as 11# 33#；10 times are respectively worn for sample each in each embodiment；And when heavy burden 10N, carry out 100 circle bend tests；Fibercuts adopts OTDR or the test of visible power instrument.
Therefore, in the application, the formula of dyed layer has also functioned to contribution function for the folding quality of optical fiber.
In the present invention; owing to being provided with bend resistance internal layer or bend resistance outer layer or having had bend resistance internal layer and bend resistance outer layer concurrently; and bend resistance internal layer, bend resistance outer layer have high pliability; therefore; it is effectively protected optical fiber; make optical fiber when minor diameter bends, also reach highly desirable resistance to bending performance；Dyed layer in the present invention is due to the formula of its uniqueness so that it is solidification and the ductility of coloring printing ink are higher, and when repeatedly alternating bending/bending, also there are no the cracking of dyed layer, the folding for optical fiber provides further guarantee.
The present invention is through test, meet except ITU, IEC and internal optical fiber standard-required except all optical indexes, having reached times to take a segment length, to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after the bending resistance refractive power target that do not rupture of fibre, therefore, workmen no longer has the misgivings that in construction, optical fiber is easily broken off, and constructs more convenient；And, greatly expand the range of application of optical fiber, reduce the instructions for use of optical fiber.
Therefore, the present invention has following main beneficial effect: simple in construction, easily realize, there is excellent folding quality, use wider, for construction time bending require lower.
Claims (2)
1. a bending resistance refractive power is fine, it includes fibre core, be positioned at fibre core outside covering, be positioned at the coat outside covering, be positioned at coat outside dyed layer, it is characterised in that: also have a bend resistance outer layer between coat and dyed layer；Described cladding diameter is 123～127 μm, fibre core/cald concentricity error≤0.6 μm, non-circularity of cladding≤1.0%, and coat diameter is 210～230 μm, and bend resistance outer layer diameter is 225～245 μm, and dyed layer diameter is 240～260 μm；The fine bending radius with 30mm of described bending resistance refractive power is loose after 100 circles, 1310nm wavelength additional attenuation≤0.05dB/Km, 1383nm wavelength additional attenuation≤0.05dB/Km, 1550nm wavelength additional attenuation≤0.1dB/Km, 1625nm wavelength additional attenuation≤0.1dB/Km；Appoint and take a segment length to be not less than the bending resistance refractive power of 10cm fine, by bending resistance refractive power fibre two ends simultaneously equidirectional through internal diameter be 2mm cylindrical hole after bending resistance refractive power fibre do not rupture；In described bending resistance refractive power fibre, the refractive index of the refractive index > bend resistance outer layer of the refractive index > coat of the refractive index > covering of fibre core；Described bend resistance outer layer by weight, is made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 15～25 parts；
Acrylic acid organic siliconresin: 15～35 parts；
Acrylic acid epoxy resin: 15～35 parts；
Acrylic polyurethane resin: 15～25 parts；
2 hydroxymethyl propiophenones: 1～2 part；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 2～5 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 98～100 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1～2 part；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 0.5～1.5 part.
2. a kind of bending resistance refractive power according to claim 1 is fine, it is characterised in that described bend resistance outer layer by weight, is made up of following raw material:
Acrylamidoethyl 2 aminopropyl triethoxysilane or acrylamido propyl-triethoxysilicane: 20 parts；
Acrylic acid organic siliconresin: 30 parts；
Acrylic acid epoxy resin: 30 parts；
Acrylic polyurethane resin: 20 parts；
2 hydroxymethyl propiophenones: 1.5 parts；
Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 4 parts；
Described dyed layer by weight, is made up of following raw material: optical fiber coloring ink: 99 parts；Sec.-propyl three (dioctyl phosphoric acid acyloxy) titanic acid ester: 1.5 parts；Isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate esters: 1 part.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610200104.6A CN105652367B (en) | 2014-07-09 | 2014-07-09 | A kind of insensitive optical fiber of bending |
| CN201410323728.8A CN104062703B (en) | 2014-07-09 | 2014-07-09 | A kind of bending resistance refractive power is fine |
| CN201610402094.4A CN106094103B (en) | 2014-07-09 | 2014-07-09 | A kind of optical fiber bend resistance composite material and a kind of optical fiber coloring composite material |
| CN201610226890.7A CN105676346B (en) | 2014-07-09 | 2014-07-09 | A kind of optical fiber resistant to bending |
| CN201610200019.XA CN105652366B (en) | 2014-07-09 | 2014-07-09 | A kind of bend resistant optical fibers |
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| CN201610200104.6A Division CN105652367B (en) | 2014-07-09 | 2014-07-09 | A kind of insensitive optical fiber of bending |
| CN201610200019.XA Division CN105652366B (en) | 2014-07-09 | 2014-07-09 | A kind of bend resistant optical fibers |
| CN201610226890.7A Division CN105676346B (en) | 2014-07-09 | 2014-07-09 | A kind of optical fiber resistant to bending |
| CN201610402094.4A Division CN106094103B (en) | 2014-07-09 | 2014-07-09 | A kind of optical fiber bend resistance composite material and a kind of optical fiber coloring composite material |
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| CN105824088A (en) * | 2016-05-15 | 2016-08-03 | 苏州高精特专信息科技有限公司 | All-dielectric optical cable used for electric power or communications and manufacture method for same |
| CN105759384A (en) * | 2016-05-15 | 2016-07-13 | 苏州高精特专信息科技有限公司 | Photoelectric composite cable used for power or communication and provided with filling ropes and manufacturing method of photoelectric composite cable |
| CN105807380A (en) * | 2016-05-15 | 2016-07-27 | 苏州高精特专信息科技有限公司 | Opto-electric composite cable for electric power or communications and making method thereof |
| CN105739041A (en) * | 2016-05-15 | 2016-07-06 | 苏州高精特专信息科技有限公司 | All-dielectric optical cable provided with filling rope and used for electric power or communication, and manufacturing method thereof |
| CN105785534A (en) * | 2016-05-15 | 2016-07-20 | 苏州高精特专信息科技有限公司 | Full-dielectric optical cable for power or communication and manufacturing method thereof |
| CN105785535A (en) * | 2016-05-15 | 2016-07-20 | 苏州高精特专信息科技有限公司 | Bending-resistant full-dielectric optical cable for power or communication and manufacturing method thereof |
| CN105739040A (en) * | 2016-05-15 | 2016-07-06 | 苏州高精特专信息科技有限公司 | All-dielectric optical cable provided with filling rope and used for electric power or communication, and manufacturing method thereof |
| CN109385187A (en) * | 2018-11-05 | 2019-02-26 | 上海铎奇线缆科技有限公司 | Coating composition and preparation method thereof and bending resistance optical fiber and preparation method thereof |
| CN110133797B (en) * | 2019-05-30 | 2020-07-28 | 山东光韵智能科技有限公司 | Visible light three-layer wavy-lined colorful optical fiber and manufacturing method thereof |
| CN110504061A (en) * | 2019-05-30 | 2019-11-26 | 江苏亨通电子线缆科技有限公司 | A kind of automobile optoelectronic composite cable |
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| JP5202943B2 (en) * | 2006-08-10 | 2013-06-05 | 古河電気工業株式会社 | Optical fiber |
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| CN1536040A (en) * | 2003-04-07 | 2004-10-13 | 深圳市海川实业股份有限公司 | Uv light solidified paint capable of being used as optical fibre coating layer |
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| CN104062703A (en) | 2014-09-24 |
| CN106094103B (en) | 2018-12-07 |
| CN106094103A (en) | 2016-11-09 |
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