CN105185437A - Nano-material composite flame-retardant cable and preparation method thereof - Google Patents
Nano-material composite flame-retardant cable and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a nano-material composite flame-retardant cable and a preparation method thereof. The cable comprises a plurality of inner cores of the cable, a ceramic fiber fire-resistant belt, a second organic silicon composite material fire-retardant layer, a second fire-retardant insulating layer and a nano fire-retardant outer sheath, wherein the ceramic fiber fire-resistant belt, the second organic silicon composite material fire-retardant layer, the second fire-retardant insulating layer and the nano fire-retardant outer sheath sequentially coat the outside of the plurality of inner cores of the cable; each inner core of the cable comprises a conductor core group, a first organic silicon composite material fire-retardant layer, a metal armor layer and a first fire-retardant insulating layer; each first organic silicon composite material fire-retardant layer, each metal armor layer and each first fire-retardant insulating layer sequentially coat the outside of each conductor core group; and fire-retardant fillers are filled among the plurality of inner cores of the cable and between the inner cores of the cable and the ceramic fiber fire-resistant belt. A fire resistance test of the cable disclosed by the invention can meet the requirements of the national standard GB/T 19216, and can also meet the requirements of a grade C, a grade W and a grade Z specified in the British standard BS6387. In a testing process, the cable is not in a short circuit or an open circuit.
Description
Technical field
The present invention relates to field of cable technology, specifically a kind of nano material composite fire resistance cable and preparation method thereof.
Background technology
Along with developing rapidly of national economy, use amount and the laying dense degree of cable are more and more higher, increased year by year in recent years, and the fire wherein caused due to electric wire reason account for sizable ratio by the fire electrically caused.In a fire, " secondary disaster " that a large amount of smog etc. of the corrosivity discharged because cable plays fire spread and toxic gas, generation cause, cause the attention of people, therefore the requirement of relevant department to cable fire-proof, the characteristic such as fire-retardant is also more and more higher, not only require that cable line has high reliability, and require that it is to the fail safe of surrounding environment.GB50217-94 " Code for design of cables of electric works " is using the important measures adopting flame retardant cable, fire-resisting cable etc. as cable fire-proof, and clear stipulaties should select the fireproof cable of flame retardant cable or other type in some place.
For now, fire-retardant, fire-resistant, low-smoke low-halogen or low smoke halogen-free flame retardant cable are referred to as fireproof cable by cable industry custom.But these products are because of the difference of its performance index, manufacturing technology, and the scope of its application is also different.The after-combustion of not easily catching fire or catch fire of common flame-retardant electric wire and cable is only limited within limits, therefore it can suppress propagation of flame, the fire prevention level of whole piece cable line can be improved, be generally used for the higher spaciousness of cable laying dense degree and draughty place.The main feature of fire-resisting cable is the safe operation that still can keep certain hour in ablaze situation, and during to ensure fire, energising can be continued in fire-fighting, warning system, emergency service loop etc., and disaster relief work is normally carried out.And low-smoke low-halogen, low smoke halogen-free flame retardant cable burn time produce smog and pernicious gas less, the loss that " secondary disaster " brings can be reduced to comparatively low degree, therefore be applicable to require higher subway, tunnel, boats and ships and vehicle, power station and important skyscraper etc.But this several cable is violent in the intensity of a fire, wind-force is powerful, just lose its normal characteristic under high temperature, high-pressure situations and can not meet instructions for use, because they mostly are organic material, easily burn under case of fire, and send a lot of heat, accelerate the burning of cable.
Summary of the invention
The object of the present invention is to provide a kind of nano material composite fire resistance cable and preparation method thereof, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of nano material composite fire resistance cable, comprise Stranded cable inner core and the outer ceramic fibre fire resistant belt coated successively of Stranded cable inner core, the fire-retardant layer of second organosilicon composite material, second flame retardant insulation and nano flame retardant oversheath, per share described cable inner core includes conductor cores group, and the outer fire-retardant layer of the first organosilicon composite material coated successively of conductor cores group, metal armor layers and the first flame retardant insulation, described conductor cores group is formed to right rotation is stranded by the zinc-plated ultra-fine soft aluminium wire of multiply high strength 99.99% anaerobic annealing, described metal armor layers inside is provided with an aluminium wire heater wire, at Stranded cable inner core each other, and between cable inner core and ceramic fibre fire resistant belt all flame-retardant filler is filled with,
Described flame-retardant filler according to the component of weight portion is: micron order kaolin 50-100 part, cellulose ether 10-30 part, sodium metasilicate 1-10 part, nano-silicon nitride 5-15 part, matrix resin 10-20 part, Firebrake ZB 10-20 part, thermal decomposition graphite 10-30 part, eakleite 10-30 part, glass fibre 15-35 part, kish 10-20 part;
The fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 50-150 part, expanded vermiculite 30-50 part, sodium metasilicate 1-5 part, thermal decomposition graphite 20-30 part, steel fibre 2-8 part, silane coupler 1-10 part, manganese borate 15-35 part, ferric pyrophosphate 5-15, nm-class boron nitride 2-10 part;
Described first flame retardant insulation is identical with the material of the second flame retardant insulation, according to the component of weight portion is: water-borne acrylic resin 60-80 part, powdered whiting 25-45 part, hydrotalcite 1-10 part, antimonous oxide 10-25 part, polyether modified silicon oil 5-25 part, plasticizer 0.5-1.5 part, Lauryl Alcohol ester 5-25 part, age resistor 1-4 part;
Described nano flame retardant oversheath according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 10-20 part, nano magnesia 2-10 part, nano mesoporous molecular screen 10-20 part, nanometer nitrogen-phosphorus expansion fire retardant 1-10 part, nanoparticle active agent 10-15 part, promoter 1-8 part, plasticizer 0.5-2.5 part, age resistor 2-6 part.
As the further scheme of the present invention: described flame-retardant filler according to the component of weight portion is: micron order kaolin 60-80 part, cellulose ether 15-25 part, sodium metasilicate 2-8 part, nano-silicon nitride 6-12 part, matrix resin 12-18 part, Firebrake ZB 12-18 part, thermal decomposition graphite 15-25 part, eakleite 15-25 part, glass fibre 20-30 part, kish 12-18 part.
As the further scheme of the present invention: the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 70-120 part, expanded vermiculite 35-45 part, sodium metasilicate 2-4 part, thermal decomposition graphite 22-28 part, steel fibre 3-7 part, silane coupler 2-8 part, manganese borate 20-30 part, ferric pyrophosphate 6-12, nm-class boron nitride 3-8 part.
As the further scheme of the present invention: described nano flame retardant oversheath according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 12-18 part, nano magnesia 2-8 part, nano mesoporous molecular screen 12-18 part, nanometer nitrogen-phosphorus expansion fire retardant 2-8 part, nanoparticle active agent 11-14 part, promoter 2-6 part, plasticizer 1-2 part, age resistor 3-5 part.
As the further scheme of the present invention: described ceramic fibre fire resistant belt is bonded by layer of glass and one deck steel fibre, thickness is 0.2-0.4mm, and adjacent layer adopts two-way wrapped mode, every ply place apart windings.
As the further scheme of the present invention: the nanoparticle active agent that described fire-retardant oversheath raw materials comprises is MgO.
As the further scheme of the present invention: described flame-retardant filler according to the component of weight portion is: micron order kaolin 70 parts, cellulose ether 20 parts, sodium metasilicate 5 parts, nano-silicon nitride 10 parts, matrix resin 15 parts, Firebrake ZB 15 parts, 20 parts, thermal decomposition graphite, eakleite 20 parts, 25 parts, glass fibre, kish 15 parts.
As the further scheme of the present invention: the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 100 parts, expanded vermiculite 40 parts, sodium metasilicate 3 parts, 25 parts, thermal decomposition graphite, steel fibre 5 parts, silane coupler 5 parts, manganese borate 25 parts, ferric pyrophosphate 10, nm-class boron nitride 5 parts.
As the further scheme of the present invention: described nano flame retardant oversheath according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 15 parts, nano magnesia 5 parts, nano mesoporous molecular screen 15 parts, nanometer nitrogen-phosphorus expansion fire retardant 5 parts, nanoparticle active agent 12 parts, promoter 5 parts, 1.5 parts, plasticizer, 4 parts, age resistor.
The present invention also provides a kind of manufacture method of nano material composite fire resistance cable, and concrete steps are:
(1) several conductor strand is adopted to become a conductor cores group, then adopt double-layer coextrusion technique in conductor cores the group outer fire-retardant layer of coated first organosilicon composite material, metal armor layers and the first flame retardant insulation successively from inside to outside, simultaneously at the coated aluminium wire heater wire of metal armor layers; Namely unit cable inner core is obtained;
(2) several cables inner core is plied to one total cable, and with expressing technique coated flame-retardant filler outside one total cable, then adopts around-packing technology at the outer wrapped ceramic fibre fire resistant belt of flame-retardant filler;
(3) three-layer co-extruded technique is adopted, at ceramic fibre the fire resistant belt outer fire-retardant layer of coated second organosilicon composite material, the second flame retardant insulation and nano flame retardant oversheath successively from inside to outside; Namely a kind of nano material composite fire resistance cable is obtained.
Compared with prior art, the invention has the beneficial effects as follows:
The fire resistance test of a kind of nano material composite fire resistance cable of the present invention's design not only meets the requirement of GB GB/T19216, and apply 1000V voltage between the conductors, be the 3h that burns in the flame of 950-1000 DEG C in flame temperature, cable neither short circuit is not also opened a way.Also can meet the requirement of A level, B level and the C level specified in Britain BS6387 standard, meanwhile, in burning, also can tolerate Water spray (W level) impact (X level, Y level, Z level) with resistance to mechanical; In process of the test, cable neither short circuit is not also opened a way.
The fire-retardant category-A of this cable fulfils, be fire-retardant highest level, namely anti-flammability in order to extinguish, reducing or suppress the burning of material, adds fire retardant usually in the material, makes material have the performance stoping or delay propagation of flame when burning.When burning things which may cause a fire disaster disappears outside, through can certainly put out after a while.For reaching fire-retardant category-A requirement; in structural design; adopt the materials such as ceramic fibre fire resistant belt, fire-retardant oversheath and the fire-retardant layer of organosilicon composite material, flame retardant insulation and flame-retardant filler to carry out multiple protective, the comprehensive mechanical of product is formed and significantly improves.
Accompanying drawing explanation
Fig. 1 is profile of the present invention.
Wherein: 1, cable inner core; 11, conductor cores group; 12, the fire-retardant layer of the first organosilicon composite material; 13, metal armor layers; 14, the first flame retardant insulation; 15, aluminium wire heater wire; 2, flame-retardant filler; 3, ceramic fibre fire resistant belt; 4, the fire-retardant layer of the second organosilicon composite material; 5, the second flame retardant insulation; 6, nano flame retardant oversheath.
Embodiment
Be described in more detail below in conjunction with the technical scheme of embodiment to this patent.
Refer to Fig. 1, a kind of nano material composite fire resistance cable, comprise Stranded cable inner core 1 and the outer ceramic fibre fire resistant belt 3 coated successively of Stranded cable inner core 1, the fire-retardant layer 4 of second organosilicon composite material, second flame retardant insulation 5 and nano flame retardant oversheath 6, per share described cable inner core includes conductor cores group 11, and the outer fire-retardant layer 12 of the first organosilicon composite material coated successively of conductor cores group 11, metal armor layers 13 and the first flame retardant insulation 14, described conductor cores group 1 is formed to right rotation is stranded by the zinc-plated ultra-fine soft aluminium wire of multiply high strength 99.99% anaerobic annealing, described metal armor layers 13 inside is provided with an aluminium wire heater wire 15, at Stranded cable inner core 1 each other, and between cable inner core 1 and ceramic fibre fire resistant belt 3 flame-retardant filler 2 is all filled with,
In the present invention, described flame-retardant filler 2 according to the component of weight portion is: micron order kaolin 50-100 part, cellulose ether 10-30 part, sodium metasilicate 1-10 part, nano-silicon nitride 5-15 part, matrix resin 10-20 part, Firebrake ZB 10-20 part, thermal decomposition graphite 10-30 part, eakleite 10-30 part, glass fibre 15-35 part, kish 10-20 part;
Wherein, this flame-retardant filler 2, keep soft loose powder shape at normal temperatures, ensure that finished cable in use flexible, the second wrapped outside at flame-retardant filler 3 of nano flame retardant insulating barrier 4, second nano flame retardant insulating barrier 4 has fire insulation and fire-retardant performance, and the flame-retardant filler 3 at normal temperatures in powder ball shape can be wrapped by it; And when running into fire, flame-retardant filler 3 can be formed has heat insulation, fireproof earthenware, cable inner core 2 can be worked safely, thus cable is met to bear under load 1000V condition of work the burning of 950 DEG C, 3 hours, there is anti-spray simultaneously, function that resistance to mechanical is clashed into.
In the present invention, the fire-retardant layer of described first organosilicon composite material 12 is identical with the material of fire-retardant 4 layers of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 50-150 part, expanded vermiculite 30-50 part, sodium metasilicate 1-5 part, thermal decomposition graphite 20-30 part, steel fibre 2-8 part, silane coupler 1-10 part, manganese borate 15-35 part, ferric pyrophosphate 5-15, nm-class boron nitride 2-10 part;
In the present invention, described first flame retardant insulation 14 is identical with the material of the second flame retardant insulation 5, according to the component of weight portion is: water-borne acrylic resin 60-80 part, powdered whiting 25-45 part, hydrotalcite 1-10 part, antimonous oxide 10-25 part, polyether modified silicon oil 5-25 part, plasticizer 0.5-1.5 part, Lauryl Alcohol ester 5-25 part, age resistor 1-4 part;
In the present invention, described nano flame retardant oversheath 6 according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 10-20 part, nano magnesia 2-10 part, nano mesoporous molecular screen 10-20 part, nanometer nitrogen-phosphorus expansion fire retardant 1-10 part, nanoparticle active agent 10-15 part, promoter 1-8 part, plasticizer 0.5-2.5 part, age resistor 2-6 part.
In the present invention, described ceramic fibre fire resistant belt 3 is bonded by layer of glass and one deck steel fibre, and thickness is 0.2-0.4mm, and adjacent layer adopts two-way wrapped mode, every ply place apart windings.This material-70 DEG C-210 DEG C time softness, flexible, intensity is high, mechanicalness insulating properties is excellent.Make cable have the features such as softness, sound insulation, shock resistance, construction is laid convenient.
Embodiment 1
A manufacture method for nano material composite fire resistance cable, concrete steps are:
(1) several conductor strand is adopted to become a conductor cores group 11, then adopt double-layer coextrusion technique in conductor cores the group 11 outer fire-retardant layer 12 of coated first organosilicon composite material, metal armor layers 13 and the first flame retardant insulation 14 successively from inside to outside, simultaneously at the coated aluminium wire heater wire 15 of metal armor layers 13; Namely unit cable inner core 1 is obtained;
(2) several cables inner core 1 is plied to one total cable, and with expressing technique coated flame-retardant filler 2 outside one total cable, then adopts around-packing technology at the outer wrapped ceramic fibre fire resistant belt 3 of flame-retardant filler 2;
(3) three-layer co-extruded technique is adopted, at outer coated second organosilicon composite material fire-retardant layer 4, second flame retardant insulation 5 and the nano flame retardant oversheath 6 successively from inside to outside of ceramic fibre fire resistant belt 3; Namely a kind of nano material composite fire resistance cable is obtained.
Wherein, described flame-retardant filler according to the component of weight portion is: micron order kaolin 70 parts, cellulose ether 20 parts, sodium metasilicate 5 parts, nano-silicon nitride 10 parts, matrix resin 15 parts, Firebrake ZB 15 parts, 20 parts, thermal decomposition graphite, eakleite 20 parts, 25 parts, glass fibre, kish 15 parts.The fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 100 parts, expanded vermiculite 40 parts, sodium metasilicate 3 parts, 25 parts, thermal decomposition graphite, steel fibre 5 parts, silane coupler 5 parts, manganese borate 25 parts, ferric pyrophosphate 10, nm-class boron nitride 5 parts.Described nano flame retardant oversheath according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 15 parts, nano magnesia 5 parts, nano mesoporous molecular screen 15 parts, nanometer nitrogen-phosphorus expansion fire retardant 5 parts, nanoparticle active agent 12 parts, promoter 5 parts, 1.5 parts, plasticizer, 4 parts, age resistor.Described ceramic fibre fire resistant belt is bonded by layer of glass and one deck steel fibre, and thickness is 0.2-0.4mm, and adjacent layer adopts two-way wrapped mode, every ply place apart windings.The nanoparticle active agent that described fire-retardant oversheath raw materials comprises is MgO.
Fire prevention experiment:
1. the examining report that a kind of nano material composite fire resistance cable that prepared by pair above-described embodiment carries out special experiment is taken passages as follows:
2. pair this product carry out type approval test examining report take passages as follows:
Visible, the fire resistance test of a kind of nano material composite fire resistance cable of the present invention's design not only meets the requirement of GB GB/T19216, apply 1000V voltage between the conductors, be the 3h that burns in the flame of 950-1000 DEG C in flame temperature, cable neither short circuit is not also opened a way.Also can meet the requirement of A level, B level and the C level specified in Britain BS6387 standard, meanwhile, in burning, also can tolerate Water spray (W level) impact (X level, Y level, Z level) with resistance to mechanical; In process of the test, cable neither short circuit is not also opened a way.
The fire-retardant category-A of this cable fulfils, be fire-retardant highest level, namely anti-flammability in order to extinguish, reducing or suppress the burning of material, adds fire retardant usually in the material, makes material have the performance stoping or delay propagation of flame when burning.When burning things which may cause a fire disaster disappears outside, through can certainly put out after a while.For reaching fire-retardant category-A requirement; in structural design; adopt the materials such as ceramic fibre fire resistant belt, fire-retardant oversheath and the fire-retardant layer of homemade organosilicon composite material, nano flame retardant insulating barrier and flame-retardant filler to carry out multiple protective, the comprehensive mechanical of product is formed and significantly improves.
Comparative example 1
A manufacture method for nano material composite fire resistance cable, concrete steps are:
(1) several conductor strand is adopted to become a conductor cores group 11, then adopt double-layer coextrusion technique in conductor cores the group 11 outer fire-retardant layer 12 of coated first organosilicon composite material, metal armor layers 13 and the first flame retardant insulation 14 successively from inside to outside, simultaneously at the coated aluminium wire heater wire 15 of metal armor layers 13; Namely unit cable inner core 1 is obtained;
(2) several cables inner core 1 is plied to one total cable, and with expressing technique coated flame-retardant filler 2 outside one total cable, then adopts around-packing technology at the outer wrapped ceramic fibre fire resistant belt 3 of flame-retardant filler 2;
(3) two layers of coextrusion process are adopted, in outer coated second organosilicon composite material fire-retardant layer 4, second flame retardant insulation 5 successively from inside to outside of ceramic fibre fire resistant belt 3; Namely a kind of nano material composite fire resistance cable is obtained.
Wherein, described flame-retardant filler according to the component of weight portion is: micron order kaolin 70 parts, cellulose ether 20 parts, sodium metasilicate 5 parts, nano-silicon nitride 10 parts, matrix resin 15 parts, Firebrake ZB 15 parts, 20 parts, thermal decomposition graphite, eakleite 20 parts, 25 parts, glass fibre, kish 15 parts.The fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 100 parts, expanded vermiculite 40 parts, sodium metasilicate 3 parts, 25 parts, thermal decomposition graphite, steel fibre 5 parts, silane coupler 5 parts, manganese borate 25 parts, ferric pyrophosphate 10, nm-class boron nitride 5 parts.Described ceramic fibre fire resistant belt is bonded by layer of glass and one deck steel fibre, and thickness is 0.2-0.4mm, and adjacent layer adopts two-way wrapped mode, every ply place apart windings.The nanoparticle active agent that described fire-retardant oversheath raw materials comprises is MgO.
Fire prevention experiment:
1. the examining report that a kind of nano material composite fire resistance cable that prepared by pair above-described embodiment carries out special experiment is taken passages as follows:
2. pair this product carry out type approval test examining report take passages as follows:
Visible, nano flame retardant oversheath at high temperature can have good fire prevention, resistance to mechanical impact effect; The fire-retardant layer of organosilicon composite material, flame retardant filler and flame retardant insulation composite action have good flameproof effect.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned execution mode, in the ken that one skilled in the relevant art possesses, can also makes a variety of changes under the prerequisite not departing from this patent aim.
Claims (10)
1. a nano material composite fire resistance cable, it is characterized in that, comprise Stranded cable inner core and the outer ceramic fibre fire resistant belt coated successively of Stranded cable inner core, the fire-retardant layer of second organosilicon composite material, second flame retardant insulation and nano flame retardant oversheath, per share described cable inner core includes conductor cores group, and the outer fire-retardant layer of the first organosilicon composite material coated successively of conductor cores group, metal armor layers and the first flame retardant insulation, described conductor cores group is formed to right rotation is stranded by the zinc-plated ultra-fine soft aluminium wire of multiply high strength 99.99% anaerobic annealing, described metal armor layers inside is provided with an aluminium wire heater wire, at Stranded cable inner core each other, and between cable inner core and ceramic fibre fire resistant belt all flame-retardant filler is filled with,
Described flame-retardant filler according to the component of weight portion is: micron order kaolin 50-100 part, cellulose ether 10-30 part, sodium metasilicate 1-10 part, nano-silicon nitride 5-15 part, matrix resin 10-20 part, Firebrake ZB 10-20 part, thermal decomposition graphite 10-30 part, eakleite 10-30 part, glass fibre 15-35 part, kish 10-20 part;
The fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 50-150 part, expanded vermiculite 30-50 part, sodium metasilicate 1-5 part, thermal decomposition graphite 20-30 part, steel fibre 2-8 part, silane coupler 1-10 part, manganese borate 15-35 part, ferric pyrophosphate 5-15, nm-class boron nitride 2-10 part;
Described first flame retardant insulation is identical with the material of the second flame retardant insulation, according to the component of weight portion is: water-borne acrylic resin 60-80 part, powdered whiting 25-45 part, hydrotalcite 1-10 part, antimonous oxide 10-25 part, polyether modified silicon oil 5-25 part, plasticizer 0.5-1.5 part, Lauryl Alcohol ester 5-25 part, age resistor 1-4 part;
Described nano flame retardant oversheath according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 10-20 part, nano magnesia 2-10 part, nano mesoporous molecular screen 10-20 part, nanometer nitrogen-phosphorus expansion fire retardant 1-10 part, nanoparticle active agent 10-15 part, promoter 1-8 part, plasticizer 0.5-2.5 part, age resistor 2-6 part.
2. a kind of nano material composite fire resistance cable according to claim 1, it is characterized in that, described flame-retardant filler according to the component of weight portion is: micron order kaolin 60-80 part, cellulose ether 15-25 part, sodium metasilicate 2-8 part, nano-silicon nitride 6-12 part, matrix resin 12-18 part, Firebrake ZB 12-18 part, thermal decomposition graphite 15-25 part, eakleite 15-25 part, glass fibre 20-30 part, kish 12-18 part.
3. a kind of nano material composite fire resistance cable according to claim 1, it is characterized in that, the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 70-120 part, expanded vermiculite 35-45 part, sodium metasilicate 2-4 part, thermal decomposition graphite 22-28 part, steel fibre 3-7 part, silane coupler 2-8 part, manganese borate 20-30 part, ferric pyrophosphate 6-12, nm-class boron nitride 3-8 part.
4. a kind of nano material composite fire resistance cable according to claim 1, it is characterized in that, described nano flame retardant oversheath according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 12-18 part, nano magnesia 2-8 part, nano mesoporous molecular screen 12-18 part, nanometer nitrogen-phosphorus expansion fire retardant 2-8 part, nanoparticle active agent 11-14 part, promoter 2-6 part, plasticizer 1-2 part, age resistor 3-5 part.
5. a kind of nano material composite fire resistance cable according to claim 1, it is characterized in that, described ceramic fibre fire resistant belt is bonded by layer of glass and one deck steel fibre, and thickness is 0.2-0.4mm, adjacent layer adopts two-way wrapped mode, every ply place apart windings.
6. a kind of nano material composite fire resistance cable according to claim 1, is characterized in that, the nanoparticle active agent that described fire-retardant oversheath raw materials comprises is MgO.
7. according to a kind of nano material composite fire resistance cable one of claim 1-6 Suo Shu, it is characterized in that, described flame-retardant filler according to the component of weight portion is: micron order kaolin 70 parts, cellulose ether 20 parts, sodium metasilicate 5 parts, nano-silicon nitride 10 parts, matrix resin 15 parts, Firebrake ZB 15 parts, 20 parts, thermal decomposition graphite, eakleite 20 parts, 25 parts, glass fibre, kish 15 parts.
8. according to a kind of nano material composite fire resistance cable one of claim 1-6 Suo Shu, it is characterized in that, the fire-retardant layer of described first organosilicon composite material is identical with the material of the fire-retardant layer of the second organosilicon composite material, according to the component of weight portion is: organic silicon rubber 100 parts, expanded vermiculite 40 parts, sodium metasilicate 3 parts, 25 parts, thermal decomposition graphite, steel fibre 5 parts, silane coupler 5 parts, manganese borate 25 parts, ferric pyrophosphate 10, nm-class boron nitride 5 parts.
9. according to a kind of nano material composite fire resistance cable one of claim 1-6 Suo Shu, it is characterized in that, described nano flame retardant oversheath according to the component of weight portion is: ethylene-vinyl acetate copolymer 80 parts, nm-class boron nitride 15 parts, nano magnesia 5 parts, nano mesoporous molecular screen 15 parts, nanometer nitrogen-phosphorus expansion fire retardant 5 parts, nanoparticle active agent 12 parts, promoter 5 parts, 1.5 parts, plasticizer, 4 parts, age resistor.
10. a manufacture method for a kind of nano material composite fire resistance cable as described in one of claim 1-9, concrete steps are:
(1) several conductor strand is adopted to become a conductor cores group, then adopt double-layer coextrusion technique in conductor cores the group outer fire-retardant layer of coated first organosilicon composite material, metal armor layers and the first flame retardant insulation successively from inside to outside, simultaneously at the coated aluminium wire heater wire of metal armor layers; Namely unit cable inner core is obtained;
(2) several cables inner core is plied to one total cable, and with expressing technique coated flame-retardant filler outside one total cable, then adopts around-packing technology at the outer wrapped ceramic fibre fire resistant belt of flame-retardant filler;
(3) three-layer co-extruded technique is adopted, at ceramic fibre the fire resistant belt outer fire-retardant layer of coated second organosilicon composite material, the second flame retardant insulation and nano flame retardant oversheath successively from inside to outside; Namely a kind of nano material composite fire resistance cable is obtained.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106834977A (en) * | 2016-12-14 | 2017-06-13 | 安徽得尚电子科技有限公司 | A kind of computer plug bond |
| CN109704794A (en) * | 2019-02-26 | 2019-05-03 | 湖北宝上电缆有限公司 | A kind of high alumina flame-retardant composite material and preparation method that can be recycled |
| CN111455477A (en) * | 2020-04-07 | 2020-07-28 | 山东宏业纺织股份有限公司 | Production method of flame-retardant yarn |
| US10773926B2 (en) | 2017-04-03 | 2020-09-15 | Otis Elevator Company | Elevator belt with additive layer |
| CN112309626A (en) * | 2020-07-07 | 2021-02-02 | 临沂启阳电缆有限公司 | Composite cable and manufacturing method thereof |
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| CN104299691A (en) * | 2014-10-14 | 2015-01-21 | 济南圣通电力线缆有限公司 | Flexible fireproof cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106834977A (en) * | 2016-12-14 | 2017-06-13 | 安徽得尚电子科技有限公司 | A kind of computer plug bond |
| US10773926B2 (en) | 2017-04-03 | 2020-09-15 | Otis Elevator Company | Elevator belt with additive layer |
| CN109704794A (en) * | 2019-02-26 | 2019-05-03 | 湖北宝上电缆有限公司 | A kind of high alumina flame-retardant composite material and preparation method that can be recycled |
| CN111455477A (en) * | 2020-04-07 | 2020-07-28 | 山东宏业纺织股份有限公司 | Production method of flame-retardant yarn |
| CN112309626A (en) * | 2020-07-07 | 2021-02-02 | 临沂启阳电缆有限公司 | Composite cable and manufacturing method thereof |
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Application publication date: 20151223 |