CN108398758B - Composite ribbon optical cable - Google Patents
Composite ribbon optical cable Download PDFInfo
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- CN108398758B CN108398758B CN201810416202.2A CN201810416202A CN108398758B CN 108398758 B CN108398758 B CN 108398758B CN 201810416202 A CN201810416202 A CN 201810416202A CN 108398758 B CN108398758 B CN 108398758B
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- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 230000003287 optical effect Effects 0.000 title abstract description 26
- 239000013307 optical fiber Substances 0.000 claims abstract description 128
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- 239000003063 flame retardant Substances 0.000 claims abstract description 47
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims abstract description 17
- 239000000835 fiber Substances 0.000 claims description 17
- 239000003921 oil Substances 0.000 claims description 16
- 239000002199 base oil Substances 0.000 claims description 13
- 239000002562 thickening agent Substances 0.000 claims description 13
- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical group C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 claims description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 11
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- 239000005662 Paraffin oil Substances 0.000 claims description 8
- 150000002191 fatty alcohols Chemical class 0.000 claims description 8
- 229920002401 polyacrylamide Polymers 0.000 claims description 8
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 8
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 8
- 229910003460 diamond Inorganic materials 0.000 claims description 6
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- 239000006071 cream Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 68
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- 238000005452 bending Methods 0.000 description 8
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- 229910002027 silica gel Inorganic materials 0.000 description 8
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- 229920005989 resin Polymers 0.000 description 5
- BGNXCDMCOKJUMV-UHFFFAOYSA-N Tert-Butylhydroquinone Chemical group CC(C)(C)C1=CC(O)=CC=C1O BGNXCDMCOKJUMV-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000004250 tert-Butylhydroquinone Substances 0.000 description 4
- 235000019281 tert-butylhydroquinone Nutrition 0.000 description 4
- 239000004760 aramid Substances 0.000 description 3
- 229920003235 aromatic polyamide Polymers 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
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- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4403—Optical cables with ribbon structure
- G02B6/4404—Multi-podded
-
- 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
-
- 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
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- G02B6/4434—Central member to take up tensile loads
-
- 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
- G02B6/4436—Heat resistant
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses a composite ribbon optical cable, which comprises a first optical fiber part, a second optical fiber part, a third optical fiber part and a first metal reinforcing core, wherein the first optical fiber part, the second optical fiber part and the third optical fiber part are uniformly distributed in an insulating layer; the insulating layer is provided with a first water blocking layer, the first water blocking layer is provided with a first shielding layer, the first shielding layer is provided with a reinforcing layer, and the reinforcing layer is provided with an outer sheath; the first optical fiber part comprises a containing part and an optical fiber belt, the containing part is a diamond-shaped frame body, a second metal reinforcing core is arranged in the inner cavity of the diamond-shaped frame body, and a PE cushion layer is arranged outside the second metal reinforcing core; the diamond-shaped frame body comprises a first side edge, a second side edge, a third side edge and a fourth side edge, rectangular grooves are formed in the first side edge, the second side edge, the third side edge and the fourth side edge, and the optical fiber ribbon is arranged in the rectangular grooves. The invention has good stretching resistance and water resistance, good flame retardant effect, large transmission capacity, high speed and good anti-interference performance, and is suitable for the occasion of constructing a large-scale network.
Description
Technical Field
The invention relates to an optical fiber cable, in particular to a composite ribbon optical cable.
Background
Optical fiber communication is widely used with the advantages of large information capacity, good confidentiality, light weight, small volume, long distance without a relay, and the like, and is developing to wider and deeper levels throughout the industries of communication, traffic, industry, medical treatment, education, aerospace, computers, and the like. The use of optical fibers is deeply influencing and revolutionizing human life. The existing optical fiber cable has the defects of strength and tensile capacity, has hidden danger of breakage in the bending process and at two ends of the cable, has single function, has a plurality of inconveniences in the current signal transmission process, and generally needs to be provided with an optical cable and an electric cable at the same time, but the optical fiber is not resistant to bending, and can cause the breakage of the optical fiber.
The invention patent with publication number of CN105542366 discloses an optical fiber ribbon-and-resin, an optical fiber ribbon and a central tube type optical fiber ribbon optical cable, which comprises a loose tube, a protective layer coated outside the loose tube, a reinforcing piece positioned outside the protective layer and a sheath layer coated with the protective layer and the reinforcing piece, wherein a plurality of optical fiber ribbons are arranged in the loose tube, each optical fiber ribbon is provided with a plurality of optical fibers and the optical fiber ribbon-and-resin which is used for integrally coating the plurality of optical fibers, and the optical cable has better water resistance, but the plurality of optical fibers are coated with the optical fiber ribbon-and-resin in a parallel and integral manner, so that the optical cable has poorer tensile resistance.
The invention patent with publication number of CN 104570252 discloses an optical fiber ribbon cable, wherein a loose tube comprises an optical fiber ribbon body and a loose tube body which is used for wrapping the optical fiber ribbon body, the optical fiber ribbon body is composed of an optical fiber ribbon lamination body and optical fiber ribbons which are positioned at the left side and the right side of the optical fiber ribbon lamination body, and the optical fiber ribbon lamination body is formed by sequentially laminating a plurality of optical fiber ribbons up and down. The optical cable is composed of an optical fiber ribbon body formed by laminating optical fiber ribbon layers, and the bending property and the tensile resistance of the optical fiber ribbon body are poor after the optical fiber ribbon layers are laminated.
In the long-term use process of the optical cable, the transmission performance is reduced due to erosion of moisture and water, and the normal use of the optical cable is affected. In the production of optical cables, the water-blocking materials of the cable core mainly have two main types: one is water-blocking filling ointment, and the other is water-blocking tape and water-blocking yarn. The optical cable water-blocking filling ointment has good waterproof, dampproof, buffering and bonding effects in production, good reliability and convenient maintenance, and is widely applied to optical cable production. The optical cable filling ointment is divided into fiber ointment and cable ointment from practical functions, is one of the materials required in optical cable production, is filled between an optical cable loose tube, a cable core and a sheath, plays roles of sealing, waterproofing, moisture isolation, stress buffering protection and other auxiliary effects, protects optical fibers from being corroded by moisture in the environment, and prevents the moisture from penetrating into the optical cable.
The main component of the existing ointment is oily substances, so that the ointment is very inflammable and the fire can spread very quickly. Once the cable is in fire, it can pose a serious threat to the communications facilities and personal and property safety. Therefore, in order to ensure reliable operation of communication equipment and network in the places requiring low smoke and halogen-free flame retardation, the problems of fire hazard caused by burning and dripping of the optical cable when meeting fire, secondary environmental pollution caused by easily releasing a large amount of black dense smoke and toxic gas in the burning fire of the optical cable, difficulty in escaping personnel and the like must be practically solved.
Disclosure of Invention
In view of the foregoing, the present invention aims to overcome the shortcomings of the prior art, and provide a composite ribbon cable for improving the water resistance, strength, tensile resistance and flame retardance of the whole cable.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the composite ribbon optical cable comprises a first optical fiber part, a second optical fiber part, a third optical fiber part and a first metal reinforcing core, wherein the first optical fiber part, the second optical fiber part and the third optical fiber part are uniformly distributed in an insulating layer, and the first metal reinforcing core is arranged in the middle of the insulating layer; the insulating layer is provided with a first water blocking layer, the first water blocking layer is provided with a first shielding layer, the first shielding layer is provided with a reinforcing layer, and the reinforcing layer is provided with an outer sheath; the first optical fiber part comprises a containing part and an optical fiber belt, the containing part is a diamond-shaped frame body, a second metal reinforcing core is arranged in the inner cavity of the diamond-shaped frame body, and a PE cushion layer is arranged outside the second metal reinforcing core; the diamond-shaped frame body comprises a first side edge, a second side edge, a third side edge and a fourth side edge, rectangular grooves are formed in the first side edge, the second side edge, the third side edge and the fourth side edge, and the optical fiber ribbon is arranged in the rectangular grooves; openings are formed in the first side edge, the second side edge, the third side edge and the fourth side edge, and the openings are communicated with the rectangular groove; a filling layer is arranged between the rectangular groove and the optical fiber ribbon; a loose tube is arranged outside the accommodating part; the second optical fiber part comprises a multi-core optical fiber, a second water blocking layer is arranged outside the multi-core optical fiber, and a second shielding layer is arranged outside the second water blocking layer; the third optical fiber part comprises a single-core optical fiber, a third water blocking layer is arranged outside the single-core optical fiber, and a third shielding layer is arranged outside the third water blocking layer.
Preferably, fins are arranged on the first side edge, the second side edge, the third side edge and the fourth side edge.
Preferably, the outer side of the diamond-shaped frame body is provided with a convex part.
Preferably, the inner cavity of the diamond-shaped frame body is provided with a filling rope.
Preferably, a PE sheath is arranged outside the first metal reinforcing core.
Preferably, the loose tube is internally provided with flame-retardant ointment, and the flame-retardant ointment comprises the following components in parts by mass:
78-85 parts of base oil,
9-12 parts of a composite thickening agent,
0.8-1.5 parts of flame retardant,
0.5-0.8 part of antioxidant;
the base oil is hydrogenated paraffin oil/hydrogenated naphthenic oil mixed oil, and the mass ratio is 2-2.5:3-4.2;
the composite thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, and the mass ratio is 5-6:7-8;
the flame retardant is triallyl isocyanurate and nano tin powder, and the mass ratio is 90-100:0.15-0.2.
The beneficial effects of the invention are as follows:
the ribbon fiber is arranged in the rectangular groove of the accommodating part to form a novel ribbon fiber structure, and the ribbon fiber, the single-core fiber and the multi-core fiber form a composite fiber, so that the transmission stability and the application range are improved, the bending resistance and the stretching resistance of the composite fiber are greatly improved, the performance is stable, and the reliability is high. The holding portion of first optic fibre portion adopts soft silica gel material to make, sets up the filling layer that comprises polypropylene resin material in the space between rectangle groove and optic fibre area, reduces the clearance between optic fibre area and the rectangle groove, and the filling layer also can protect the optic fibre area simultaneously, avoids the optic fibre area to rock in the rectangle inslot and produces wearing and tearing or damage. The holding part is a diamond-shaped frame body, a rectangular groove for holding the optical fiber strips is arranged in each side edge of the diamond-shaped frame body, so that the stretching resistance of the optical fiber is improved, and as the holding part is in the diamond-shaped frame shape made of soft silica gel materials, when the optical fiber is stretched or bent, the cavity in the diamond-shaped frame body is extruded, the optical fiber strips deform in the rectangular groove, and compared with the integral coating of a single optical fiber strip or a plurality of optical fiber strips in the prior art, when the optical fiber is stretched or bent, the stretching force or bending force directly acts on the optical fiber strips due to small gaps in the coating layers of the optical fiber strips, and the structure has better stretching resistance and bending resistance.
According to the invention, each side edge of the first accommodating part is provided with an arc-shaped fin, one end of each fin is arranged on the side edge, the other end of each fin is suspended, the suspended part is positioned above the opening, the optical fiber ribbon and the filling layer are arranged in the rectangular groove from the opening, the fin is used for sealing the opening when the loose tube covers the accommodating part, and the filling layer and the optical fiber ribbon are prevented from entering the loose tube from the opening; and the fin adopts arc fin, and the material of fin is silica gel material, and silica gel material is softer, when loose sleeve pipe cladding accommodation portion, the bellying that sets up on arc fin and the side has avoided producing the skew between accommodation portion and the loose sleeve pipe, has improved stability.
The reinforced cores are arranged in the accommodating part and the insulating layer, so that the strength and the tensile resistance of the whole optical fiber are improved; physical isolation and protection are arranged between each optical fiber ribbon and each optical fiber part, so that mutual winding of the optical fiber ribbons is avoided, and the stability of optical fiber signal transmission is enhanced. The invention adopts a multilayer protective structure, and the reinforcing layer adopts aramid yarn, so that the overall performance of the optical cable is improved, and the service life of the optical cable is prolonged. The invention has the advantages of large transmission capacity, small loss, strong electromagnetic interference resistance, long service life and the like, and can be widely used in occasions of special optical cables for communication, fire protection, hospitals, colleges, enterprises and the like.
According to the heat crosslinking flame-retardant principle, triallyl isocyanurate is adopted as a heat crosslinking agent, and belongs to a high-molecular reaction type flame retardant, when the temperature of the ointment is increased, the heat crosslinking agent is crosslinked to prevent flammable low-molecular substances from being released, and the flame retardant is timely and efficient; the nano tin powder is used as a crosslinking catalyst, the nano catalyst can be uniformly dispersed in the ointment, the compatibility is good, and the basic performance of the ointment is not reduced; the thickening agent is selected as polyacrylamide/fatty alcohol polyoxyethylene ether, and is used as thickening and rheological modifier of oily matters, basically can be compatible with all active matters without changing the efficacy, and has extremely high plasticity along with the increase and decrease of the addition amount in the oily matters, and the thickened product has extremely high stability, does not generate layering phenomenon below 100 ℃, and does not generate thinning phenomenon at normal temperature; the base oil is the hydrogenated paraffin oil/hydrogenated naphthenic oil mixed oil, and has the advantages of high saturated hydrocarbon content, excellent thermal oxidation stability, low volatility, good viscosity-temperature performance and good compatibility with optical cable materials.
The flame-retardant ointment disclosed by the invention has small influence on the physical properties of materials, the physical basic properties of the flame-retardant ointment manufactured after the flame-retardant ointment is used cannot be deteriorated, and part of the properties are also obviously improved; the flame-retardant ointment has good compatibility, and the components are uniformly dispersed; the flame-retardant ointment is baked for 24 hours at 80 ℃ and does not drip completely; the processing technology is feasible, and the traditional technology can be applied.
The flame-retardant ointment has remarkable flame-retardant effect, the LOI reaches more than 50%, the test result of the flame retardant property is generally higher than the reference standard, and the flame-retardant ointment is not easy to burn; the amount of released smoke is very small, the smoke density is very low, and the smoke toxicity is tiny; the ointment contains no halogen component, does not drip at high temperature, can be suitable for indoor or densely populated places, and has good environmental protection performance.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural view of a first optical fiber portion according to the present invention.
In the figure: 1-first optical fiber part, 2-metal reinforced core, 3-PE sheath, 4-insulating layer, 5-water-resistant layer, 6-shielding layer, 7-reinforced layer, 8-outer sheath, 9-multicore optical fiber, 10-water-resistant layer, 11-shielding layer, 12-single core optical fiber, 13-water-resistant layer, 14-shielding layer, 15-filling rope, 101-accommodation part, 102-rectangular groove, 103-optical fiber ribbon, 104-metal reinforced core, 105-PE cushion layer, 106-filling rope, 107-protruding part, 108-fin, 109-loose tube and 110-shielding layer.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
As shown in fig. 1, the present invention provides a composite ribbon fiber cable, which includes a first optical fiber portion 1, a second optical fiber portion, a third optical fiber portion, and a metal reinforcing core 2, wherein the first optical fiber portion 1, the second optical fiber portion, and the third optical fiber portion are uniformly distributed in an insulating layer 4, and the metal reinforcing core 2 is disposed in the middle of the insulating layer 4. The insulating layer 4 is provided with a waterproof layer 5, the waterproof layer 5 is provided with a shielding layer 6, the shielding layer 6 is provided with a reinforcing layer 7, the reinforcing layer 7 is provided with an outer sheath 8, and the reinforcing layer 7 is made of aramid yarns.
As shown in fig. 3, the first optical fiber portion 1 includes a receiving portion 101 and an optical fiber ribbon 103, the receiving portion 101 is a diamond-shaped frame, a metal reinforcing core 104 and a filling rope 106 are disposed in an inner cavity of the diamond-shaped frame, and a PE cushion layer 105 is disposed outside the metal reinforcing core 104. The diamond-shaped frame body comprises a first side edge, a second side edge, a third side edge and a fourth side edge, wherein rectangular grooves 102 are formed in the first side edge, the second side edge, the third side edge and the fourth side edge, optical fiber ribbons 103 are arranged in the rectangular grooves 102, openings are formed in the first side edge, the second side edge, the third side edge and the fourth side edge, the openings are communicated with the rectangular grooves 102, filling layers are arranged between the rectangular grooves 102 and the optical fiber ribbons 103, and the optical fiber ribbons 103 and the filling layers are arranged in the rectangular grooves 102 through the openings. The PE cushion layer 105 is coated outside the metal reinforcing core 104, so that the metal reinforcing core 104 is prevented from directly contacting the accommodating part 101, and the accommodating part 101 is prevented from being worn. The container 101 is filled with a flame retardant ointment.
The first side, the second side, the third side and the fourth side of the diamond-shaped frame of the accommodating part 101 are provided with fins 108, the fins 108 are arc fins, one end of each fin 108 is arranged on the side, the other end of each fin is suspended, the suspended part is positioned above the opening, the opening is used for installing the optical fiber ribbon and the filling layer during processing, and the loose tube 109 is used for compressing the fins 108 at the opening to seal the opening when the accommodating part 101 is coated, so that the filling layer and the optical fiber ribbon are prevented from entering the shielding layer from the opening.
The invention arranges the protruding part 107 outside the diamond frame body. The fins 108 are made of silica gel material, the silica gel material is softer, when the loose tube 109 covers the accommodating part 101, the arc fins and the protruding parts 107 arranged on the side edges avoid the deviation between the accommodating part 101 and the loose tube 109, and the stability is improved; to avoid interference between the respective optical fiber portions, a shielding layer 110 is provided outside the loose tube 109.
The second optical fiber part comprises a multi-core optical fiber 9, a water blocking layer 10 and a shielding layer 11, the water blocking layer 10 is arranged outside the multi-core optical fiber 9, and the shielding layer 11 is arranged outside the water blocking layer 10. The third optical fiber part comprises a single-core optical fiber 12, a water-resistant layer 13 and a shielding layer 14, wherein the water-resistant layer 13 is arranged outside the single-core optical fiber 12, and the shielding layer 14 is arranged outside the water-resistant layer 13.
The accommodating part 101 is made of soft silica gel materials, a filling layer made of polypropylene resin materials is arranged in a gap between the rectangular groove 102 and the optical fiber ribbon 103, so that the gap between the optical fiber ribbon and the rectangular groove is reduced, and meanwhile, the filling layer can also protect the optical fiber ribbon from bending and avoid abrasion or damage caused by shaking of the optical fiber ribbon in the rectangular groove. The accommodating part 101 is in a diamond shape made of soft silica gel material, when the optical fiber is stretched or bent, the cavity in the diamond frame is extruded, the optical fiber ribbon 103 deforms in the rectangular groove 102, the diamond is in a parallelogram shape, the structural characteristics of the diamond shape can deform in the horizontal and vertical directions, the optical fiber ribbon is not easy to damage when being bent, and the stretching resistance and bending resistance of the optical fiber ribbon are strong.
The invention adopts a multilayer protective structure, the reinforcing layer adopts aramid yarn, the waterproof layer keeps good waterproof effect, the overall performance of the optical fiber is improved, and the service life of the optical fiber is prolonged.
Example 2
As shown in fig. 2, this embodiment is different from embodiment 1 in that: the filling rope 15 is arranged among the first optical fiber part 1, the second optical fiber part and the third optical fiber part, so that the gaps among the optical fiber parts are reduced, and the filling rope 15 also plays a role in protection. A steel wire reinforcing core may be provided between the respective optical fiber portions to improve the structural strength of the entire optical cable.
Example 3
A flame-retardant ointment comprises the following components in parts by mass: 78 parts of base oil, 9 parts of composite thickener, 0.8 part of flame retardant and 0.5 part of antioxidant.
The base oil is hydrogenated paraffin oil/hydrogenated naphthenic oil mixed oil, and the mass ratio is 2:3; the composite thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, and the mass ratio is 5:7; the flame retardant is triallyl isocyanurate and nano tin powder, the mass ratio is 90:0.15, wherein the triallyl isocyanurate is a thermal cross-linking agent, and the nano tin powder is a catalyst; the antioxidant is tert-butyl hydroquinone.
Example 1 flame retardant property table of flame retardant ointments:
example 4
A flame-retardant ointment comprises the following components in parts by mass: 80 parts of base oil, 10 parts of composite thickener, 1.1 parts of flame retardant and 0.6 part of antioxidant.
The base oil is hydrogenated paraffin oil/hydrogenated naphthenic oil mixed oil, and the mass ratio is 2.1:3.4; the composite thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, and the mass ratio is 5.4:7.3; the flame retardant is triallyl isocyanurate and nano tin powder, the mass ratio is 93:0.17, wherein the triallyl isocyanurate is a thermal cross-linking agent, and the nano tin powder is a catalyst; the antioxidant is tert-butyl hydroquinone.
Example 5
Flame retardant property table of flame retardant ointments:
example 6
A flame-retardant ointment comprises the following components in parts by mass: 82 parts of base oil, 11 parts of composite thickener, 1.3 parts of flame retardant and 0.7 part of antioxidant.
The base oil is hydrogenated paraffin oil/hydrogenated naphthenic oil mixed oil, and the mass ratio is 2.3:3-3.8; the composite thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, and the mass ratio is 5.7:7.7; the flame retardant is triallyl isocyanurate and nano tin powder, the mass ratio is 97:0.19, wherein the triallyl isocyanurate is a thermal cross-linking agent, and the nano tin powder is a catalyst; the antioxidant is tert-butyl hydroquinone.
Example 3 flame retardant property table of flame retardant ointments:
example 7
A flame-retardant ointment comprises the following components in parts by mass: 85 parts of base oil, 12 parts of composite thickener, 1.5 parts of flame retardant and 0.8 part of antioxidant.
The base oil is hydrogenated paraffin oil/hydrogenated naphthenic oil mixed oil, and the mass ratio is 2.5:4.2; the composite thickener is polyacrylamide/fatty alcohol polyoxyethylene ether, and the mass ratio is 6:8; the flame retardant is triallyl isocyanurate and nano tin powder, the mass ratio is 100:0.2, wherein the triallyl isocyanurate is a thermal cross-linking agent, and the nano tin powder is a catalyst; the antioxidant is tert-butyl hydroquinone.
Example 8 flame retardant property table of flame retardant ointments:
the test results of the embodiment are synthesized, the flame retardant ointment has obvious flame retardant effect, the LOI reaches more than 50%, and the test result of the flame retardant property is generally higher than the reference standard; the amount of released smoke is very small, the smoke density is very low, the smoke toxicity is tiny, and no halogen component exists.
Table of main characteristics of the flame retardant ointments of the examples:
the flame-retardant ointment has small influence on the physical properties of the material, and partial properties are also obviously improved; the flame-retardant ointment is baked for 24 hours at 80 ℃ and does not drip completely.
Finally, it is noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and that other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solution of the present invention.
Claims (4)
1. A composite ribbon cable, characterized by: the optical fiber comprises a first optical fiber part, a second optical fiber part, a third optical fiber part and a first metal reinforcing core, wherein the first optical fiber part, the second optical fiber part and the third optical fiber part are uniformly distributed in an insulating layer, and the first metal reinforcing core is arranged in the middle of the insulating layer; the insulating layer is provided with a first water blocking layer, the first water blocking layer is provided with a first shielding layer, the first shielding layer is provided with a reinforcing layer, and the reinforcing layer is provided with an outer sheath; the first optical fiber part comprises a containing part and an optical fiber belt, the containing part is a diamond-shaped frame body, a second metal reinforcing core is arranged in the inner cavity of the diamond-shaped frame body, and a PE cushion layer is arranged outside the second metal reinforcing core; the diamond-shaped frame body comprises a first side edge, a second side edge, a third side edge and a fourth side edge, rectangular grooves are formed in the first side edge, the second side edge, the third side edge and the fourth side edge, and the optical fiber ribbon is arranged in the rectangular grooves; openings are formed in the first side edge, the second side edge, the third side edge and the fourth side edge, and the openings are communicated with the rectangular groove; a filling layer is arranged between the rectangular groove and the optical fiber ribbon; a loose tube is arranged outside the accommodating part; the second optical fiber part comprises a multi-core optical fiber, a second water blocking layer is arranged outside the multi-core optical fiber, and a second shielding layer is arranged outside the second water blocking layer; the third optical fiber part comprises a single-core optical fiber, a third water blocking layer is arranged outside the single-core optical fiber, and a third shielding layer is arranged outside the third water blocking layer; the diamond frame body is outside a bulge is arranged at the side; and a filling rope is arranged in the inner cavity of the diamond-shaped frame body.
2. A composite fiber optic ribbon cable according to claim 1, wherein: the first side edge, the second side edge, the third side edge and the fourth side edge are all provided with fins.
3. A composite fiber optic ribbon cable according to claim 1, wherein: and a PE sheath is arranged outside the first metal reinforcing core.
4. A composite fiber optic ribbon cable according to claim 1, wherein: the flame-retardant oil cream is arranged in the loose tube and comprises the following components in parts by mass:
78-85 parts of base oil;
9-12 parts of a composite thickener;
0.8-1.5 parts of flame retardant;
0.5-0.8 part of antioxidant;
the base oil is mixed oil of hydrogenated paraffin oil and hydrogenated naphthenic oil, and the mass ratio of the hydrogenated paraffin oil to the hydrogenated naphthenic oil is 2-2.5:3-4.2; the composite thickener is polyacrylamide and fatty alcohol polyoxyethylene ether, and the mass ratio of the polyacrylamide to the fatty alcohol polyoxyethylene ether is 5-6:7-8;
the flame retardant is triallyl isocyanurate and nano tin powder, and the mass ratio is 90-100:0.15-0.2.
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