CN106065138A - A kind of steel-tape armouring aluminium alloy power cable of anti-long-term ultraviolet ageing - Google Patents
A kind of steel-tape armouring aluminium alloy power cable of anti-long-term ultraviolet ageing Download PDFInfo
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- CN106065138A CN106065138A CN201610475773.4A CN201610475773A CN106065138A CN 106065138 A CN106065138 A CN 106065138A CN 201610475773 A CN201610475773 A CN 201610475773A CN 106065138 A CN106065138 A CN 106065138A
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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
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
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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
- 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
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- 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
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- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Abstract
The invention discloses the steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing, including the insulated wire cores being made up of aluminium alloy conductor and insulating barrier, implant, PTFE lapping layer, steel-tape armouring layer and PVC sheath, by weight, described PVC sheath is mixed by following components: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 15 20 parts, heat-resisting reinforcing agent 10 15 parts, polyisobutylene 5 10 parts, calcinated argil 20 30 parts, stearic acid 13 parts, paraffin oil 10 15 parts, heat stabilizer 12 parts, light stabilizer 13 parts, 12 parts of antioxidant, toughener 58 parts, ultraviolet protective agent 0.5 1 parts.The present invention has the resistance to UV aging of excellence out of doors, and service life is long.
Description
Technical field
The present invention relates to a kind of aluminium alloy power cable, the steel-tape armouring aluminum particularly to a kind of anti-long-term ultraviolet ageing closes
Gold 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
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 comparatively
Abundant, in order to alleviate the nervous situation of copper resource, utilizing the materials such as aluminium alloy to make high performance cable can as one very
Good solution.The conductivity of aluminium alloy is the 61.8% of the most frequently used reference material copper IACS, and current-carrying capacity is the 79% of copper, excellent
In fine aluminium standard.Under the same volume, the actual weight of aluminium alloy is about 1/3rd of copper, therefore, during identical current-carrying capacity
The weight of aluminium alloy cable is about the half of copper cable.Use aluminium alloy cable to replace copper cable, cable weight can be alleviated, reduce
Installation cost, reduces equipment and the abrasion of cable, makes installment work lighter.The good machine that aluminium alloy power cable is possessed
Tool performance and electrical property so that it can be widely applied to the every field of national economy, such as common private residence, skyscraper, electricity
Market, Mini Supermarkets terraced, big, subway, airport, station, hospital, bank, office building, hotel, post and telecommunications building, exhibition
Shop, library, museum, ancient architecture, school, electric power building, place of public amusement, tunnel, hypogee, warehouse etc., also
May be used for metallurgy, iron and steel, coke, colliery, power plant, power regulation station, shipbuilding, oil, chemical industry, medicine, nuclear power station, aviation boat
My god, military affairs, the industry such as papermaking, and household electrical appliances, automobile, public transit facility etc..
The aluminium alloy power cable that outdoor environment uses, is faced with the common erosion of the radiation of long-term ultraviolet and high temperature, causes
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 power cable of a kind of anti-long-term ultraviolet ageing, out of doors
Having the resistance to UV aging of excellence, 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 anti-long-term ultraviolet ageing, including by aluminium alloy conductor and insulating barrier
Insulated wire cores, implant (fiberglass threads), PTFE lapping layer, steel-tape armouring layer and PVC that (crosslinked polyethylene) is constituted protect
Set, 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, 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, ultraviolet protective agent 0.5-1 part.
As preferably, described heat-resisting reinforcing agent is nano titanium oxide be modified process with the mixture of attapulgite after
, 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 function, receives simultaneously
Rice titanium dioxide or a kind of high shading efficiency agent, can strengthen uvioresistant ability, attapulgite material system is remarkably reinforced and
Toughening effect, nano titanium oxide is coordinated by the present invention with attapulgite, works in coordination with and plays a role, and carries out at specific modification
Reason so that heat-resisting reinforcing agent to the heat-resisting of material and strengthen, toughening effect is obviously improved, thus is greatly improved the use of product
Life-span.
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 being calcined at 420-440 DEG C 100-120min, 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 10-15%, be uniformly mixed mixture divides
Dissipate liquid；
(4) after adding acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 15-25min, filters, uses respectively
Water and absolute ethanol washing, be then vacuum dried 2-4h under 75-85 and obtain primary modifier；
(5) by titanate coupling agent ethanol solution that mass concentration is 35-45% and primary modifier mixing 25-
35min, then adds the ethanol solution mixing 35-45min that mass concentration is 40-50% silane coupler KH570, so
It is vacuum dried 30-60min at latter 80-90 DEG C, after pulverizing, obtains heat-resisting reinforcing agent.
By feeding the mixture in dimethyl sulphoxide solution, it is possible to make mixture be uniformly dispersed, follow-up
Acid solution oxidation modification.Acid solution enables to nano titanium oxide, attapulgite hydrophilic reduces, and lipophile increases, from
And improve the adhesion of nano titanium oxide, attapulgite and polyvinyl chloride resin.Primary modifier is relatively thin due to granule, easily reunites,
So it is unfavorable for following process, and the performance of composite is had considerable influence.Inventor is by sending out after long-term experimentation
Existing, first pass through use titanate coupling agent and primary modifier is carried out surface for the first time process, after silane coupled by adding again
Agent carries out second time surface and processes the primary modifier processed, and so can effectively solve the problem that primary modifier is reunited,
Make silane coupler effectively wrap up primary modifier, further prevent the reunion of primary modifier, for polyvinyl chloride resin
Effective place mat effect has been carried out in mixing, and due to the process of coupling agent, primary modifier mixes evenly with polyvinyl chloride resin, knot
Conjunction intensity is more preferable, and the composite material compositions of formation is uniform, and mechanical property is good.Titanate coupling agent, silane coupler are all made into nothing
The form of hydrous 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 that every gram of mixture uses
10-15mL。
As preferably, acid solution described in step (4) be mass concentration be that the salpeter solution of 5-10% is with mass concentration
The acetic acid solution of 10-15% is according to the mixture of 1:3-5 volume ratio.The specific acid solution of the present invention is for attapulgite, receives
The Modification design of rice titanium dioxide, it is possible to nano titanium oxide, attapulgite hydrophilic are reduced, lipophile increases, from
And improve the adhesion of nano titanium oxide, attapulgite and chlorinated scoline.
As preferably, in step (5), the consumption of titanate coupling agent is the 0.3-0.5% of primary modifier weight, silane
The consumption of coupling agent 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 stannum mercaptide, horse
Carry out one or more in sour dibutyl tin；Described antioxidant is in antioxidant 1010, antioxidant 1076, irgasfos 168
One or more.
As preferably, described light stabilizer selected from hindered amine light stabilizer Tinuvin 622, Tinuvin770,
One or more in chimassorb 944.
As preferably, described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder
40-70%, nano zinc oxide powder 30-60%；Using after ultraviolet protective agent pretreatment, preprocess method is: by mass concentration be
The titanate coupling agent ethanol solution of 50-60% with ultraviolet protective agent mixing 10-30min, titanate coupling agent consumption is
The 0.5-1% of ultraviolet protective agent weight, then adds the silane coupler KH560 dehydrated alcohol that mass concentration is 50-60%
Solution mixing 10-30min, is then vacuum dried 30-60min at 80-100 DEG C, and silane coupler KH560 consumption is ultraviolet protection
The 1-1.5% of agent weight.
Nano barium sulfate has stronger opposing action of ultraviolet radiation, with reflection electromagnetic wave, can play the effect of radioprotective.Add
The nano zine oxide added has a uvioresistant effect, meanwhile, nano zine oxide can also anti-inflammation and sterilization, prevent antibacterial at material surface
Growing, nano barium sulfate powder, nano zinc oxide powder are mixed by the present invention, work in coordination with and play a role, substantially increase material
Anti-long-term ultraviolet ageing performance.
Ultraviolet protective agent is relatively thin due to granule, easily reunites, is so unfavorable for following process, and the performance to composite
There is considerable influence.Inventor, by finding after long-term experimentation, first passes through use titanate coupling agent to ultraviolet protective agent
Carry out for the first time surface to process, after carry out second time surface by adding the silane coupler ultraviolet protective agent to processing again
Reason, so can effectively solve the problem that ultraviolet protective agent is reunited, make silane coupler effectively wrap up ultraviolet protective agent, further
The reunion preventing ultraviolet protective agent, carried out effective place mat effect, due to the place of coupling agent for follow-up with PVC mixing
Reason, ultraviolet protective agent mixes evenly with high density polyethylene (HDPE), and bond strength is more preferable, and the composite material compositions of formation is uniform,
Mechanical property is good.
As preferably, described toughener is modified bamboo fiber, and modified bamboo fiber producing processes is: add water regulation by bamboo fibre
Water content is to 65-70%, then sprays uniformly sprinkling EM bacterium solution on bamboo fibre, and EM bacterium solution consumption is the 3-5% of bamboo fibre weight,
Build heap fermentation, under the ambient temperature of temperature 25-28 DEG C, ferment 3-5 days, the bamboo fibre after fermentation be dried at putting 75-85 DEG C to
Moisture is below 3%.Use EM fermentation bamboo fibre, cellulose free hydroxyl group quantity in bamboo fibre can be reduced, strengthen same PVC
The bond strength of resin.
The invention has the beneficial effects as follows: having the resistance to UV aging of excellence out of doors, service life is long, sheath material
Satisfactory mechanical property.
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 protects
Set.
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 commonly used in the art.
Method in following embodiment, if no special instructions, is the conventional method of this area.
Embodiment 1:
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing as shown in Figure 1, leads including by aluminium alloy
Insulated wire cores, implant 3, PTFE lapping layer 4, steel-tape armouring layer 5 and the PVC sheath 6 that body 1 and insulating barrier 2 are constituted, by weight
Meter, described PVC sheath is mixed by following components: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 15 parts, heat-resisting reinforcing agent 10
Part, polyisobutylene 5 parts, calcinated argil 20 parts, stearic acid 1 part, paraffin oil 10 parts, heat stabilizer (dimethylammonium chloride stannum) 1 part, light
Stabilizer (Tinuvin 622) 1 part, 1 part of antioxidant (antioxidant 1010, antioxidant 1076, irgasfos 168), toughener 5 parts,
Ultraviolet protective agent 0.5 part.
Described heat-resisting reinforcing agent is nano titanium oxide and the mixture of attapulgite is modified after process, Qi Zhongna
Rice titanium dioxide is 0.3:1 with attapulgite mass ratio.The concrete preparation process of heat-resisting reinforcing agent is 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 mixture dispersion
Liquid；The dimethyl sulphoxide solution consumption of mass concentration 10% is that every gram of mixture uses 15mL.
(4) add after acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 15min, filter, respectively with water and
Absolute ethanol washing, then obtains primary modifier at 75 times vacuum drying 4h；Described acid solution be mass concentration be the nitric acid of 5%
Solution and mass concentration are that the acetic acid solution of 15% is according to the mixture of 1:3 volume ratio.
(5) by titanate coupling agent ethanol solution that mass concentration is 35% and primary modifier mixing 25min, so
After add the ethanol solution mixing 35min that mass concentration is 40% silane coupler KH570, then vacuum is done at 80 DEG C
Dry 60min, obtains heat-resisting reinforcing agent after pulverizing.The consumption of titanate coupling agent is the 0.3% of primary modifier weight, silane coupled
The consumption of agent KH570 is the 1% of primary modifier weight.
Described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder 40%, nanometer
Oxide powder and zinc 60%；Using after ultraviolet protective agent pretreatment, preprocess method is: by the titanate esters coupling that mass concentration is 50%
Agent ethanol solution and ultraviolet protective agent mixing 10min, titanate coupling agent consumption is the 0.5% of ultraviolet protective agent weight,
Then the silane coupler KH560 ethanol solution mixing 10min that mass concentration is 50% is added, then 80
Being vacuum dried 60min at DEG C, 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: bamboo fibre adds water regulation water content extremely
65%, then on bamboo fibre, spray uniformly sprinkling EM bacterium solution (commercially available), EM bacterium solution consumption is the 3% of bamboo fibre weight, Jian Duifa
Ferment, under the ambient temperature of temperature 25 DEG C, ferments 5 days, the bamboo fibre after fermentation put be dried at 75 DEG C to moisture 3% with
Under.
Embodiment 2:
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing as shown in Figure 1, leads including by aluminium alloy
Insulated wire cores, implant 3, PTFE lapping layer 4, steel-tape armouring layer 5 and the PVC sheath 6 that body 1 and insulating barrier 2 are constituted, by weight
Meter, described PVC sheath is mixed by following components: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 20 parts, heat-resisting reinforcing agent 15
Part, polyisobutylene 10 parts, calcinated argil 30 parts, stearic acid 3 parts, paraffin oil 15 parts, heat stabilizer (Methyl stannum mercaptide) 2 parts, light
Stabilizer (Tinuvin 770) 3 parts, 2 parts of antioxidant (antioxidant 1076), toughener 8 parts, ultraviolet protective agent 1 part.
Described heat-resisting reinforcing agent is nano titanium oxide and the mixture of attapulgite is modified after process, Qi Zhongna
Rice titanium dioxide is 0.5:1 with attapulgite mass ratio.The concrete preparation process of heat-resisting reinforcing agent is 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 mixture dispersion
Liquid；The dimethyl sulphoxide solution consumption of mass concentration 15% is that every gram of mixture uses 10mL.
(4) add after acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 25min, filter, respectively with water and
Absolute ethanol washing, then obtains primary modifier at 85 times vacuum drying 2h；Described acid solution be mass concentration be the nitre of 10%
Acid solution and mass concentration are that the acetic acid solution of 10% is according to the mixture of 1:5 volume ratio.
(5) by titanate coupling agent ethanol solution that mass concentration is 45% and primary modifier mixing 35min, so
After add the ethanol solution mixing 45min that mass concentration is 50% silane coupler KH570, then vacuum is done at 90 DEG C
Dry 30min, obtains heat-resisting reinforcing agent after pulverizing.The consumption of titanate coupling agent is the 0.5% of primary modifier weight, silane coupled
The consumption of agent KH570 is the 1.5% of primary modifier weight.
Described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder 70%, nanometer
Oxide powder and zinc 30%；Using after ultraviolet protective agent pretreatment, preprocess method is: by the titanate esters coupling that mass concentration is 60%
Agent ethanol solution and ultraviolet protective agent mixing 30min, titanate coupling agent consumption is the 1% of ultraviolet protective agent weight, so
After add the silane coupler KH560 ethanol solution mixing 30min that mass concentration is 60%, then vacuum at 100 DEG C
Being dried 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: bamboo fibre adds water regulation water content extremely
70%, then on bamboo fibre, spray uniformly sprinkling EM bacterium solution (commercially available), EM bacterium solution consumption is the 5% of bamboo fibre weight, Jian Duifa
Ferment, under the ambient temperature of temperature 28 DEG C, ferments 3 days, the bamboo fibre after fermentation put be dried at 85 DEG C to moisture 3% with
Under.
Embodiment 3:
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing as shown in Figure 1, leads including by aluminium alloy
Insulated wire cores, implant 3, PTFE lapping layer 4, steel-tape armouring layer 5 and the PVC sheath 6 that body 1 and insulating barrier 2 are constituted, by weight
Meter, described PVC sheath is mixed by following components: polyvinyl chloride resin 100 parts, ethylene propylene diene rubber 18 parts, heat-resisting reinforcing agent 12
Part, polyisobutylene 8 parts, calcinated argil 25 parts, stearic acid 2 parts, paraffin oil 12 parts, heat stabilizer (dibutyitin maleate) 1-2
Part, light stabilizer (Tinuvin 770) 1-3 part, 1.5 parts of antioxidant (irgasfos 168), toughener 7 parts, ultraviolet protective agent 0.8
Part.
Described heat-resisting reinforcing agent is nano titanium oxide and the mixture of attapulgite is modified after process, Qi Zhongna
Rice titanium dioxide is 0.4:1 with attapulgite mass ratio.The concrete preparation process of heat-resisting reinforcing agent is 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 mixture dispersion
Liquid；The dimethyl sulphoxide solution consumption of mass concentration 12% is that every gram of mixture uses 12mL.
(4) add after acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 20min, filter, respectively with water and
Absolute ethanol washing, then obtains primary modifier at 80 times vacuum drying 3h；Described acid solution be mass concentration be the nitric acid of 7%
Solution and mass concentration are that the acetic acid solution of 12% is according to the mixture of 1:4 volume ratio.
(5) by titanate coupling agent ethanol solution that mass concentration is 40% and primary modifier mixing 30min, so
After add the ethanol solution mixing 40min that mass concentration is 45% silane coupler KH570, then vacuum is done at 85 DEG C
Dry 40min, obtains heat-resisting reinforcing agent after pulverizing.The consumption of titanate coupling agent is the 0.4% of primary modifier weight, silane coupled
The consumption of agent KH570 is the 1.2% of primary modifier weight.
Described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder 50%, nanometer
Oxide powder and zinc 50%；Using after ultraviolet protective agent pretreatment, preprocess method is: by the titanate esters coupling that mass concentration is 55%
Agent ethanol solution and ultraviolet protective agent mixing 20min, titanate coupling agent consumption is the 0.8% of ultraviolet protective agent weight,
Then the silane coupler KH560 ethanol solution mixing 20min that mass concentration is 55% is added, then 90
Being vacuum dried 50min at DEG C, 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: bamboo fibre adds water regulation water content extremely
65%, then on bamboo fibre, spray uniformly sprinkling EM bacterium solution (commercially available), EM bacterium solution consumption is the 4% of bamboo fibre weight, Jian Duifa
Ferment, under the ambient temperature of temperature 27 DEG C, ferments 4 days, the bamboo fibre after fermentation put be dried at 80 DEG C to moisture 3% with
Under.
The PVC sheath material of the present invention is at 0.6W/m2, the little rear elongation at break conservation rate of 340nm ultraviolet light and aging 6000
＞ 70%.The hot strength ＞ 25MPa of the PVC sheath material of the present invention, elongation at break ＞ 350%, through 136 DEG C × 168h warm
After air aging, stretching strength retentivity ＞ 97%, elongation at break conservation rate ＞ 97%.Old through the artificial climate of 1000 hours
After changing test, hot strength rate of change is 25 ± 1%, and elongation at break rate of change is 27 ± 1%.
Embodiment described above is the one preferably scheme of the present invention, not makees the present invention any pro forma
Limit, on the premise of without departing from the technical scheme described in claim, also have other variant and remodeling.
Claims (10)
1. a steel-tape armouring aluminium alloy power cable for anti-long-term ultraviolet ageing, is constituted including by aluminium alloy conductor and insulating barrier
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,
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 is stable
Agent 1-3 part, antioxidant 1-2 part, toughener 5-8 part, ultraviolet protective agent 0.5-1 part.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 1, its feature exists
It is nano titanium oxide and the mixture of attapulgite is modified after process, wherein nanometer two in: described heat-resisting reinforcing agent
Titanium oxide and attapulgite mass ratio are 0.3-0.5:1.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 1 and 2, its feature
It is: the concrete preparation process of described heat-resisting reinforcing agent is as follows:
(1) attapulgite being calcined at 420-440 DEG C 100-120min, 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 10-15%, it is uniformly mixed and to obtain mixture dispersion
Liquid；
(4) add after acid solution stirring and evenly mixing in mixture dispersion liquid, supersound process 15-25min, filter, respectively with water and
Absolute ethanol washing, is then vacuum dried 2-4h under 75-85 and obtains primary modifier；
(5) by titanate coupling agent ethanol solution that mass concentration is 35-45% and primary modifier mixing 25-35min,
Then ethanol solution mixing 35-45min, then 80-that mass concentration is 40-50% silane coupler KH570 are added
It is vacuum dried 30-60min at 90 DEG C, after pulverizing, obtains heat-resisting reinforcing agent.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 3, its feature exists
In: in step (3), the dimethyl sulphoxide solution consumption of mass concentration 10-15% is that every gram of mixture uses 10-15mL.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 3, its feature exists
In: acid solution described in step (4) be mass concentration be that the salpeter solution of 5-10% is molten with the acetic acid that mass concentration is 10-15%
Liquid is according to the mixture of 1:3-5 volume ratio.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 3, its feature exists
In: in step (5), the consumption of titanate coupling agent is the 0.3-0.5% of primary modifier weight, the use of silane coupler KH570
Amount is the 1-1.5% of primary modifier weight.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 1, its feature exists
In:
Described heat stabilizer is in dimethylammonium chloride stannum, dibutyl tin laurate, Methyl stannum mercaptide, dibutyitin maleate
One or more；
One or more in antioxidant 1010, antioxidant 1076, irgasfos 168 of described antioxidant.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 1, its feature exists
In: described light stabilizer is in hindered amine light stabilizer Tinuvin 622, Tinuvin 770, chimassorb 944
One or more.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 1, its feature exists
In:
Described ultraviolet protective agent is mixed by following components by mass percentage: nano barium sulfate powder 40-70%, nano oxygen
Change zinc powder 30-60%；Using after ultraviolet protective agent pretreatment, preprocess method is: be the titanate esters of 50-60% by mass concentration
Coupling agent ethanol 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 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 the 1-1.5% of ultraviolet protective agent weight.
The steel-tape armouring aluminium alloy power cable of a kind of anti-long-term ultraviolet ageing the most according to claim 1, its feature exists
In: described toughener is modified bamboo fiber, and modified bamboo fiber producing processes is: the regulation water content that added water by bamboo fibre to 65-
70%, then on bamboo fibre, spray uniformly sprinkling EM bacterium solution, EM bacterium solution 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 and exists
Less than 3%.
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