CN105906992A - Flame retardant long-term ultraviolet aging resistant steel-tape armoured aluminium alloy power cable - Google Patents
Flame retardant long-term ultraviolet aging resistant steel-tape armoured aluminium alloy power cable Download PDFInfo
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- CN105906992A CN105906992A CN201610493746.XA CN201610493746A CN105906992A CN 105906992 A CN105906992 A CN 105906992A CN 201610493746 A CN201610493746 A CN 201610493746A CN 105906992 A CN105906992 A CN 105906992A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/06—Polymer mixtures characterised by other features having improved processability or containing aids for moulding methods
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses a flame retardant long-term ultraviolet aging resistant steel-tape armoured aluminium alloy power cable. The power cable comprises insulated conductors, a filler, a PTFE (polytetrafluoroethylene) taped covering, a steel-tape armoured layer and a PVC (polyvinyl chloride) sheath, wherein the insulated conductors are formed by aluminium alloy conductors and insulating layers; the PVC sheath is prepared by mixing the following components in parts by weight: 100 parts of PVC resin, 15-20 parts of ethylene propylene diene monomer, 10-15 parts of heatproof reinforcing agent, 5-10 parts of polyisobutene, 20-30 parts of calcined clay, 1-3 parts of stearic acid, 10-15 parts of paraffin oil, 1-2 parts of heat stabilizers, 1-3 parts of light stabilizers, 1-2 parts of antioxidants, 5-8 parts of toughening agent, 0.5-1 part of ultraviolet protective agent and 2-4 parts of molybdenum trioxide. The power cable has excellent ultraviolet aging resistance, good flame retardance and long service life outdoors.
Description
Technical field
The present invention relates to a kind of aluminium alloy power cable, particularly to the fire-retardant anti-long-term ultraviolet ageing of one
Steel-tape armouring aluminium alloy power cable.
Background technology
In current wires and cables industry, leading products are copper core cables, and this cable cost of material is high,
Shortage of resources, and copper alloy also has, and some defects, such as cost are higher, mechanical performance is poor.
And bauxite resource and rare earth resources are the abundantest, in order to alleviate the nervous situation of copper resource, utilize
The materials such as aluminium alloy make high performance cable can be as a kind of good solution.Aluminium alloy
Conductivity is the 61.8% of the most frequently used reference material copper IACS, and current-carrying capacity is the 79% of copper, is better than fine aluminium
Standard.Under the same volume, the actual weight of aluminium alloy is about 1/3rd of copper, therefore, phase
It is about the half of copper cable with the weight of aluminium alloy cable during current-carrying capacity.Aluminium alloy cable is used to replace copper
Cable, can alleviate cable weight, reduces installation cost, reduces equipment and the abrasion of cable, makes installation
Work lighter.Good mechanical performance that aluminium alloy power cable is possessed and electrical property so that it
Can be widely applied to the every field of national economy, such as common private residence, skyscraper, elevator, big
Market, Mini Supermarkets, subway, airport, station, hospital, bank, office building, hotel, postal
Political affairs telecommunications building, exhibition center, library, museum, ancient architecture, school, electric power building, public affairs
Altogether public place of entertainment, tunnel, hypogee, warehouse etc., it is also possible to for metallurgy, iron and steel, coke,
Colliery, power plant, power regulation station, shipbuilding, oil, chemical industry, medicine, nuclear power station, Aero-Space,
The industries such as military affairs, papermaking, and household electrical appliances, automobile, public transit facility etc..
The aluminium alloy power cable that outdoor environment uses, is faced with the radiation of long-term ultraviolet and high temperature common
Corrode, cause cable surface craze and transfiguration, drastically influence the service life of aluminium alloy power cable.
Summary of the invention
It is an object of the invention to provide the steel-tape armouring aluminium alloy electric of a kind of fire-retardant anti-long-term ultraviolet ageing
Power cable, has the resistance to UV aging of excellence out of doors, and fire resistance is good, and service life is long.
The technical solution adopted for the present invention to solve the technical problems is:
The steel-tape armouring aluminium alloy power cable of a kind of fire-retardant anti-long-term ultraviolet ageing, including by aluminium alloy conductor
The insulated wire cores that constitutes with insulating barrier (crosslinked polyethylene), implant (fiberglass threads), PTFE
Lapping layer, steel-tape armouring layer and PVC sheath, by weight, described PVC sheath is by following group
Divide and be mixed: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 15-20 part, heat-resisting reinforcing agent 10-15
Part, polyisobutylene 5-10 part, calcinated argil 20-30 part, stearic acid 1-3 part, paraffin oil 10-15
Part, heat stabilizer 1-2 part, light stabilizer 1-3 part, antioxidant 1-2 part, toughener 5-8 part, purple
Outer protective agent 0.5-1 part, molybdenum trioxide 2-4 part.
As preferably, described heat-resisting reinforcing agent is that the mixture of nano titanium oxide and attapulgite is modified place
After reason, wherein nano titanium oxide and attapulgite mass ratio are 0.3-0.5:1.
The present invention is especially added with heat-resisting reinforcing agent in the material, and nano titanium oxide primarily serves heat-resisting work
With, nano titanium oxide or a kind of high shading efficiency agent, can strengthen uvioresistant ability, attapulgite simultaneously
Material system is remarkably reinforced and toughening effect by soil, and the present invention is by nano titanium oxide and attapulgite
Coordinate, work in coordination with and play a role, and carry out specific modification so that heat-resisting reinforcing agent is to material
Heat-resisting and strengthen, toughening effect is obviously improved, thus is greatly improved the service life of product.
Calcinated argil is supporting material, and ethylene propylene diene rubber, polyisobutylene provide heat-resistant ageing properties.
As preferably, the concrete preparation process of described heat-resisting reinforcing agent is as follows:
(1) attapulgite is calcined at 420-440 DEG C 100-120min, after cooling, pulverize, sieve
Attapulgite；
(2) mixture is obtained with nano titanium oxide after being mixed by attapulgite；
(3) by the dimethyl sulphoxide solution of mixture and mass concentration 10-15%, it is uniformly mixed
Mixture dispersion liquid；
(4) after adding acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 15-25min, filter,
Respectively with water and absolute ethanol washing, at 75-85 DEG C, then it is vacuum dried 2-4h obtains primary modifier；
(5) the titanate coupling agent ethanol solution that mass concentration is 35-45% is mixed with primary modifier
Close 25-35min, then add the anhydrous second that mass concentration is 40-50% silane coupler KH570
Alcoholic solution mixing 35-45min, is then vacuum dried 30-60min at 80-90 DEG C, after pulverizing heat-resisting
Reinforcing agent.
By feeding the mixture in dimethyl sulphoxide solution, it is possible to make mixture be uniformly dispersed, this
Sample is beneficial to follow-up acid solution oxidation modification.Acid solution enables to nano titanium oxide, attapulgite
Hydrophilic reduces, and lipophile increases, thus improves nano titanium oxide, attapulgite and polyvinyl chloride resin
Adhesion.Primary modifier is relatively thin due to granule, easily reunites, is so unfavorable for following process,
And the performance of composite is had considerable influence.Inventor is by finding after long-term experimentation, first
Process by using titanate coupling agent that primary modifier carries out surface for the first time, after again by adding
Silane coupler carries out second time surface and processes the primary modifier processed, and so can effectively solve
The problem that primary modifier is reunited, makes silane coupler effectively wrap up primary modifier, further
Prevent the reunion of primary modifier, for having carried out effective place mat effect with the mixing of polyvinyl chloride resin,
Due to the process of coupling agent, primary modifier mixes evenly with polyvinyl chloride resin, and bond strength is more preferable,
The composite material compositions formed is uniform, and mechanical property is good.Titanate coupling agent, silane coupler are all joined
The form becoming ethanol solution is added, and so good with the mixing uniformity of primary modifier, onset is good.
As preferably, in step (3), the dimethyl sulphoxide solution consumption of mass concentration 10-15% is every gram and mixes
Compound uses 10-15mL.
As preferably, acid solution described in step (4) be mass concentration be salpeter solution and the quality of 5-10%
Concentration is the acetic acid solution mixture according to 1:3-5 volume ratio of 10-15%.The specific acid of the present invention is molten
Liquid is for attapulgite, the Modification design of nano titanium oxide, it is possible to make nano titanium oxide,
Attapulgite hydrophilic reduce, lipophile increase, thus improve nano titanium oxide, attapulgite with
The adhesion of chlorinated scoline.
As preferably, in step (5), the consumption of titanate coupling agent is the 0.3-0.5% of primary modifier weight,
The consumption of silane coupler KH570 is the 1-1.5% of primary modifier weight.
As preferably, described heat stabilizer is selected from dimethylammonium chloride stannum, dibutyl tin laurate, methyl sulfur
One or more in alcohol stannum, dibutyitin maleate；Described antioxidant is selected from antioxidant 1010, resists
One or more in oxygen agent 1076, irgasfos 168.
As preferably, described light stabilizer selected from hindered amine light stabilizer Tinuvin 622, Tinuvin 770,
One or more in chimassorb 944.
As preferably, described ultraviolet protective agent is mixed by following components by mass percentage: nano-sulfur
Acid barium powder 40-70%, nano zinc oxide powder 30-60%；Use after ultraviolet protective agent pretreatment, locate in advance
Reason method is: by titanate coupling agent ethanol solution that mass concentration is 50-60% and ultraviolet protection
Agent mixing 10-30min, titanate coupling agent consumption is the 0.5-1% of ultraviolet protective agent weight, the most again
Add the silane coupler KH560 ethanol solution mixing 10-30min that mass concentration is 50-60%,
Then being vacuum dried 30-60min at 80-100 DEG C, silane coupler KH560 consumption is ultraviolet protective agent
The 1-1.5% of weight.
Nano barium sulfate has stronger opposing action of ultraviolet radiation, can play anti-with reflection electromagnetic wave
The effect of radiation.The nano zine oxide added has uvioresistant effect, meanwhile, nano zine oxide
Can also anti-inflammation and sterilization, prevent antibacterial from growing at material surface, the present invention is by nano barium sulfate powder, nanometer
Oxide powder and zinc mixes, and works in coordination with and plays a role, and the anti-long-term ultraviolet substantially increasing material is old
Change performance.
Ultraviolet protective agent is relatively thin due to granule, easily reunites, and is so unfavorable for following process, and to multiple
The performance of condensation material has considerable influence.Inventor, by finding after long-term experimentation, first passes through and makes
With titanate coupling agent, ultraviolet protective agent carries out surface for the first time to process, after even by adding silane again
The connection agent ultraviolet protective agent to processing carries out second time surface and processes, and so can effectively solve ultraviolet and prevent
Protect the problem that bolus is poly-, make silane coupler effectively wrap up ultraviolet protective agent, further prevent
The reunion of ultraviolet protective agent, has carried out effective place mat effect, due to idol for follow-up with PVC mixing
The process of connection agent, ultraviolet protective agent mixes evenly with high density polyethylene (HDPE), and bond strength is more preferable,
The composite material compositions formed is uniform, and mechanical property is good.
As preferably, described toughener is modified bamboo fiber, and modified bamboo fiber producing processes is: by bamboo fibre
The regulation water content that adds water is to 65-70%, then sprays uniformly sprinkling EM bacterium solution, EM bacterium on bamboo fibre
Liquid consumption is the 3-5% of bamboo fibre weight, builds heap fermentation, under the ambient temperature of temperature 25-28 DEG C,
Fermenting 3-5 days, the bamboo fibre after fermentation is dried at putting 75-85 DEG C to moisture below 3%.Adopt
Ferment bamboo fibre with EM, cellulose free hydroxyl group quantity in bamboo fibre can be reduced, strengthen with PVC tree
The bond strength of fat.
The invention has the beneficial effects as follows: there is the resistance to UV aging of excellence, fire resistance out of doors
Good, service life is long, the satisfactory mechanical property of sheath material.
Accompanying drawing explanation
Fig. 1 is one structural representation of the present invention.
In figure: 1, aluminium alloy conductor, 2, insulating barrier, 3, implant, 4, PTFE lapping layer, 5,
Steel-tape armouring layer, 6, PVC sheath.
Detailed description of the invention
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, the raw material used and equipment etc. are all commercially available or this
Field is commonly used.Method in following embodiment, if no special instructions, is the routine side of this area
Method.
Embodiment 1:
The steel-tape armouring aluminium alloy power cable of a kind of fire-retardant anti-long-term ultraviolet ageing as shown in Figure 1,
Including the insulated wire cores being made up of aluminium alloy conductor 1 and insulating barrier 2, implant 3, PTFE lapping layer
4, steel-tape armouring layer 5 and PVC sheath 6, by weight, described PVC sheath is by following components
It is mixed: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 15 parts, heat-resisting reinforcing agent 10 parts, poly-
Isobutene. 5 parts, calcinated argil 20 parts, stearic acid 1 part, paraffin oil 10 parts, heat stabilizer (two
Methyl chloride stannum) 1 part, light stabilizer (Tinuvin 622) 1 part, antioxidant (antioxidant 1010,
Antioxidant 1076, irgasfos 168) 1 part, toughener 5 parts, ultraviolet protective agent 0.5 part, three oxidations
Molybdenum 2 parts.
Described heat-resisting reinforcing agent is nano titanium oxide and the mixture of attapulgite is modified after process,
Wherein nano titanium oxide and attapulgite mass ratio are 0.3:1.The concrete preparation process of heat-resisting reinforcing agent
As follows:
(1) attapulgite being calcined at 420 DEG C 120min, after cooling, pulverize, sieve to obtain attapulgite.
(2) mixture is obtained with nano titanium oxide after being mixed by attapulgite.
(3) by the dimethyl sulphoxide solution of mixture and mass concentration 10%, it is uniformly mixed and to obtain mixing
Thing dispersion liquid；The dimethyl sulphoxide solution consumption of mass concentration 10% is that every gram of mixture uses 15mL.
(4) after adding acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 15min, filter,
Respectively with water and absolute ethanol washing, at 75 DEG C, then it is vacuum dried 4h obtains primary modifier；Institute
State acid solution be mass concentration be salpeter solution and the mass concentration of 5% be 15% acetic acid solution according to
The mixture of 1:3 volume ratio.
(5) the titanate coupling agent ethanol solution that mass concentration is 35% is mixed with primary modifier
25min, then adds the ethanol solution that mass concentration is 40% silane coupler KH570 and mixes
Close 35min, be then vacuum dried 60min at 80 DEG C, after pulverizing heat-resisting reinforcing agent.Titanate esters is even
The consumption of connection agent is the 0.3% of primary modifier weight, and the consumption of silane coupler KH570 is primary
The 1% of modifier weight.
Described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder
40%, nano zinc oxide powder 60%；Using after ultraviolet protective agent pretreatment, preprocess method is: will
Mass concentration is titanate coupling agent ethanol solution and the ultraviolet protective agent mixing 10min of 50%,
Titanate coupling agent consumption is the 0.5% of ultraviolet protective agent weight, and then adding mass concentration is 50%
Silane coupler KH560 ethanol solution mixing 10min, be then vacuum dried at 80 DEG C
60min, silane coupler KH560 consumption is the 1% of ultraviolet protective agent weight.
Described toughener is modified bamboo fiber, and modified bamboo fiber producing processes is: the regulation that added water by bamboo fibre contains
The water yield is to 65%, then sprays uniformly sprinkling EM bacterium solution (commercially available), EM bacterium solution consumption on bamboo fibre
For the 3% of bamboo fibre weight, build heap fermentation, under the ambient temperature of temperature 25 DEG C, ferment 5 days,
Bamboo fibre after fermentation is put and is dried at 75 DEG C to moisture below 3%.
Embodiment 2:
The steel-tape armouring aluminium alloy power cable of a kind of fire-retardant anti-long-term ultraviolet ageing as shown in Figure 1,
Including the insulated wire cores being made up of aluminium alloy conductor 1 and insulating barrier 2, implant 3, PTFE lapping layer
4, steel-tape armouring layer 5 and PVC sheath 6, by weight, described PVC sheath is by following components
It is mixed: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 20 parts, heat-resisting reinforcing agent 15 parts, poly-
Isobutene. 10 parts, calcinated argil 30 parts, stearic acid 3 parts, paraffin oil 15 parts, heat stabilizer (first
Base tin mercaptides) 2 parts, light stabilizer (Tinuvin 770) 3 parts, antioxidant (antioxidant 1076) 2
Part, toughener 8 parts, ultraviolet protective agent 1 part, molybdenum trioxide 4 parts.
Described heat-resisting reinforcing agent is nano titanium oxide and the mixture of attapulgite is modified after process,
Wherein nano titanium oxide and attapulgite mass ratio are 0.5:1.The concrete preparation process of heat-resisting reinforcing agent
As follows:
(1) attapulgite being calcined at 440 DEG C 100min, after cooling, pulverize, sieve to obtain attapulgite.
(2) mixture is obtained with nano titanium oxide after being mixed by attapulgite.
(3) by the dimethyl sulphoxide solution of mixture and mass concentration 15%, it is uniformly mixed and to obtain mixing
Thing dispersion liquid；The dimethyl sulphoxide solution consumption of mass concentration 15% is that every gram of mixture uses 10mL.
(4) after adding acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 25min, filter,
Respectively with water and absolute ethanol washing, at 85 DEG C, then it is vacuum dried 2h obtains primary modifier；Institute
State acid solution be mass concentration be salpeter solution and the mass concentration of 10% be 10% acetic acid solution according to
The mixture of 1:5 volume ratio.
(5) the titanate coupling agent ethanol solution that mass concentration is 45% is mixed with primary modifier
35min, then adds the ethanol solution that mass concentration is 50% silane coupler KH570 and mixes
Close 45min, be then vacuum dried 30min at 90 DEG C, after pulverizing heat-resisting reinforcing agent.Titanate esters is even
The consumption of connection agent is the 0.5% of primary modifier weight, and the consumption of silane coupler KH570 is primary
The 1.5% of modifier weight.
Described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder
70%, nano zinc oxide powder 30%；Using after ultraviolet protective agent pretreatment, preprocess method is: will
Mass concentration is titanate coupling agent ethanol solution and the ultraviolet protective agent mixing 30min of 60%,
Titanate coupling agent consumption is the 1% of ultraviolet protective agent weight, and then adding mass concentration is 60%
Silane coupler KH560 ethanol solution mixing 30min, be then vacuum dried at 100 DEG C
30min, silane coupler KH560 consumption is the 1.5% of ultraviolet protective agent weight.
Described toughener is modified bamboo fiber, and modified bamboo fiber producing processes is: add water tune by bamboo fibre
Joint water content is to 70%, then sprays uniformly sprinkling EM bacterium solution (commercially available), EM bacterium solution on bamboo fibre
Consumption is the 5% of bamboo fibre weight, builds heap fermentation, under the ambient temperature of temperature 28 DEG C, fermentation 3
My god, the bamboo fibre after fermentation is put and is dried at 85 DEG C to moisture below 3%.
Embodiment 3:
The steel-tape armouring aluminium alloy power cable of a kind of fire-retardant anti-long-term ultraviolet ageing as shown in Figure 1,
Including the insulated wire cores being made up of aluminium alloy conductor 1 and insulating barrier 2, implant 3, PTFE lapping layer
4, steel-tape armouring layer 5 and PVC sheath 6, by weight, described PVC sheath is by following components
It is mixed: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 18 parts, heat-resisting reinforcing agent 12 parts, poly-
Isobutene. 8 parts, calcinated argil 25 parts, stearic acid 2 parts, paraffin oil 12 parts, heat stabilizer (horse
Carry out sour dibutyl tin) 1-2 part, light stabilizer (Tinuvin 770) 1-3 part, antioxidant (antioxidant
168) 1.5 parts, toughener 7 parts, ultraviolet protective agent 0.8 part, molybdenum trioxide 3 parts.
Described heat-resisting reinforcing agent is nano titanium oxide and the mixture of attapulgite is modified after process,
Wherein nano titanium oxide and attapulgite mass ratio are 0.4:1.The concrete preparation process of heat-resisting reinforcing agent
As follows:
(1) attapulgite being calcined at 430 DEG C 110min, after cooling, pulverize, sieve to obtain attapulgite.
(2) mixture is obtained with nano titanium oxide after being mixed by attapulgite.
(3) by the dimethyl sulphoxide solution of mixture and mass concentration 12%, it is uniformly mixed and to obtain mixing
Thing dispersion liquid；The dimethyl sulphoxide solution consumption of mass concentration 12% is that every gram of mixture uses 12mL.
(4) after adding acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 20min, filter,
Respectively with water and absolute ethanol washing, at 80 DEG C, then it is vacuum dried 3h obtains primary modifier；Institute
State acid solution be mass concentration be salpeter solution and the mass concentration of 7% be 12% acetic acid solution according to
The mixture of 1:4 volume ratio.
(5) the titanate coupling agent ethanol solution that mass concentration is 40% is mixed with primary modifier
30min, then adds the ethanol solution that mass concentration is 45% silane coupler KH570 and mixes
Close 40min, be then vacuum dried 40min at 85 DEG C, after pulverizing heat-resisting reinforcing agent.Titanate esters is even
The consumption of connection agent is the 0.4% of primary modifier weight, and the consumption of silane coupler KH570 is primary
The 1.2% of modifier weight.
Described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder
50%, nano zinc oxide powder 50%；Using after ultraviolet protective agent pretreatment, preprocess method is: will
Mass concentration is titanate coupling agent ethanol solution and the ultraviolet protective agent mixing 20min of 55%,
Titanate coupling agent consumption is the 0.8% of ultraviolet protective agent weight, and then adding mass concentration is 55%
Silane coupler KH560 ethanol solution mixing 20min, be then vacuum dried at 90 DEG C
50min, silane coupler KH560 consumption is the 1.2% of ultraviolet protective agent weight.
Described toughener is modified bamboo fiber, and modified bamboo fiber producing processes is: add water tune by bamboo fibre
Joint water content is to 65%, then sprays uniformly sprinkling EM bacterium solution (commercially available), EM bacterium solution on bamboo fibre
Consumption is the 4% of bamboo fibre weight, builds heap fermentation, under the ambient temperature of temperature 27 DEG C, fermentation 4
My god, the bamboo fibre after fermentation is put and is dried at 80 DEG C to moisture below 3%.
The PVC sheath material of the present invention is at 0.6W/m2, 340nm ultraviolet light and aging is after 6000 hours
Elongation at break conservation rate ＞ 70%.The hot strength ＞ 25MPa of the PVC sheath material of the present invention,
Elongation at break ＞ 350%, after 136 DEG C × 168h hot air aging, stretching strength retentivity ＞
97%, elongation at break conservation rate ＞ 97%.After the artificial weathering test of 1000 hours, draw
Stretching change rate of strength is 25 ± 1%, and elongation at break rate of change is 27 ± 1%.Fire resistance is tested,
Oxygen index (OI) is more than 35%.
Embodiment described above is the one preferably scheme of the present invention, not appoints the present invention
What pro forma restriction, also has other on the premise of without departing from the technical scheme described in claim
Variant and remodeling.
Claims (10)
1. a steel-tape armouring aluminium alloy power cable for fire-retardant anti-long-term ultraviolet ageing, closes including by aluminum
Gold conductor and insulating barrier constitute insulated wire cores, implant, PTFE lapping layer, steel-tape armouring layer and
PVC sheath, it is characterised in that by weight, described PVC sheath is mixed by following components:
Polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 15-20 part, heat-resisting reinforcing agent 10-15 part, poly-isobutyl
Alkene 5-10 part, calcinated argil 20-30 part, stearic acid 1-3 part, paraffin oil 10-15 part is thermally-stabilised
Agent 1-2 part, light stabilizer 1-3 part, antioxidant 1-2 part, toughener 5-8 part, ultraviolet protective agent 0.5-1
Part, molybdenum trioxide 2-4 part.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 1 closes
Gold power cable, it is characterised in that: described heat-resisting reinforcing agent is nano titanium oxide and attapulgite
Mixture obtains after being modified process, and wherein nano titanium oxide and attapulgite mass ratio are 0.3-0.5:
1。
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 1 and 2
Alloy power cable, it is characterised in that: the concrete preparation process of described heat-resisting reinforcing agent is as follows:
(1) attapulgite is calcined at 420-440 DEG C 100-120min, after cooling, pulverize, sieve
Attapulgite；
(2) mixture is obtained with nano titanium oxide after being mixed by attapulgite；
(3) by the dimethyl sulphoxide solution of mixture and mass concentration 10-15%, it is uniformly mixed
Mixture dispersion liquid；
(4) after adding acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 15-25min, filter,
Respectively with water and absolute ethanol washing, at 75-85 DEG C, then it is vacuum dried 2-4h obtains primary modifier；
(5) the titanate coupling agent ethanol solution that mass concentration is 35-45% is mixed with primary modifier
Close 25-35min, then add the anhydrous second that mass concentration is 40-50% silane coupler KH570
Alcoholic solution mixing 35-45min, is then vacuum dried 30-60min at 80-90 DEG C, after pulverizing heat-resisting
Reinforcing agent.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 3 closes
Gold power cable, it is characterised in that: in step (3), the dimethyl sulfoxide of mass concentration 10-15% is molten
Liquid consumption is that every gram of mixture uses 10-15mL.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 3 closes
Gold power cable, it is characterised in that: acid solution described in step (4) be mass concentration be 5-10%'s
Salpeter solution and mass concentration are the acetic acid solution mixture according to 1:3-5 volume ratio of 10-15%.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 3 closes
Gold power cable, it is characterised in that: in step (5), the consumption of titanate coupling agent is primary modifier
The 0.3-0.5% of weight, the consumption of silane coupler KH570 is the 1-1.5% of primary modifier weight.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 1 closes
Gold power cable, it is characterised in that: described heat stabilizer is selected from dimethylammonium chloride stannum, tin dilaurate two
One or more in butyl tin, Methyl stannum mercaptide, dibutyitin maleate；Described antioxidant is selected from
One or more in antioxidant 1010, antioxidant 1076, irgasfos 168.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 1 closes
Gold power cable, it is characterised in that: described light stabilizer is selected from hindered amine light stabilizer Tinuvin
622, one or more in Tinuvin 770, chimassorb 944.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 1 closes
Gold power cable, it is characterised in that: described ultraviolet protective agent is mixed by following components by mass percentage
Conjunction forms: nano barium sulfate powder 40-70%, nano zinc oxide powder 30-60%；Ultraviolet protective agent is located in advance
Using after reason, preprocess method is: by the titanate coupling agent dehydrated alcohol that mass concentration is 50-60%
Solution and ultraviolet protective agent mixing 10-30min, titanate coupling agent consumption is ultraviolet protective agent weight
0.5-1%, then adds the silane coupler KH560 dehydrated alcohol that mass concentration is 50-60% molten
Liquid mixing 10-30min, is then vacuum dried 30-60min, silane coupler KH560 at 80-100 DEG C
Consumption is the 1-1.5% of ultraviolet protective agent weight.
The steel-tape armouring aluminum of a kind of fire-retardant anti-long-term ultraviolet ageing the most according to claim 1 closes
Gold power cable, it is characterised in that: described toughener is modified bamboo fiber, modified bamboo fiber preparation side
Method is: the regulation water content that added water by bamboo fibre is to 65-70%, then sprays uniformly sprinkling on bamboo fibre
EM bacterium solution, EM bacterium solution consumption is the 3-5% of bamboo fibre weight, builds heap fermentation, in temperature 25-28 DEG C
Ambient temperature under, ferment 3-5 days, the bamboo fibre after fermentation is dried to moisture at putting 75-85 DEG C
Below 3%.
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| CN201610493746.XA CN105906992A (en) | 2016-06-24 | 2016-06-24 | Flame retardant long-term ultraviolet aging resistant steel-tape armoured aluminium alloy power cable |
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