CN106117869A - A kind of wrapped aluminium alloy power cable of ultraviolet aging resistance - Google Patents
A kind of wrapped aluminium alloy power cable of ultraviolet aging resistance Download PDFInfo
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- CN106117869A CN106117869A CN201610493243.2A CN201610493243A CN106117869A CN 106117869 A CN106117869 A CN 106117869A CN 201610493243 A CN201610493243 A CN 201610493243A CN 106117869 A CN106117869 A CN 106117869A
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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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- 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
- C08K2201/014—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
- C08L2201/08—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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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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 wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance, including the insulated wire cores being made up of aluminium alloy conductor and insulating barrier, implant, fire-resistant isinglass belt lapping 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.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, particularly to the wrapped aluminium alloy power electricity of a kind of ultraviolet aging resistance
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 wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance, there is excellence out of doors
Resistance to UV aging, service life is long.
The technical solution adopted for the present invention to solve the technical problems is:
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance, (cross-links poly-second including by aluminium alloy conductor and insulating barrier
Alkene) insulated wire cores, implant (fiberglass threads), fire-resistant isinglass belt lapping layer and the PVC sheath that constitute, 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 parts, 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.
As preferably, described heat-resisting reinforcing agent is nano zeolite powder be modified process with the mixture of attapulgite after
, wherein nano zeolite powder 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 zeolite powder primarily serves heat-resisting function, attapulgite
Being remarkably reinforced material system and toughening effect, nano zeolite powder is coordinated by the present invention with attapulgite, works in coordination with and plays a role,
And carry out specific modification so that heat-resisting reinforcing agent to the heat-resisting of material and strengthen, toughening effect is obviously improved, thus greatly
Improve greatly 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 being calcined at 420-440 DEG C 100-120min, after cooling, pulverize, sieve to obtain attapulgite；
(2) mixture is obtained with nano zeolite powder 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 at 75-85 DEG C 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 zeolite powder, attapulgite hydrophilic reduces, and lipophile increases, thus improves
Zeolite powder, attapulgite and the adhesion of polyvinyl chloride resin.Primary modifier is relatively thin due to granule, easily reunites, after being so unfavorable for
Continuous processing, and the performance of composite is had considerable influence.Inventor, by finding after long-term experimentation, first passes through use
Titanate coupling agent carries out surface for the first time and processes primary modifier, after again by add silane coupler to processing at the beginning of
Level modifier carries out second time surface and processes, and so can effectively solve the problem that primary modifier is reunited, make silane coupler have
The parcel primary modifier of effect, further prevents the reunion of primary modifier, has carried out effectively for the mixing with polyvinyl chloride resin
Place mat effect, due to the process of coupling agent, primary modifier mix evenly with polyvinyl chloride resin, bond strength more preferably, formation
Composite material compositions uniform, mechanical property is good.Titanate coupling agent, silane coupler are all made into the form of ethanol solution
Adding, 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, boiling
The Modification design of stone powder, it is possible to zeolite powder, attapulgite hydrophilic are reduced, lipophile increase, thus improve zeolite powder,
Attapulgite and 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, 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.
As preferably, described light stabilizer selected from hindered amine light stabilizer Tinuvin 622, Tinuvin 770,
One or more in chimassorb 944.
As preferably, described antioxidant is selected from one or more in antioxidant 1010, antioxidant 1076, irgasfos 168.
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, fire-resistant isinglass belt lapping layer, 5, 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 commonly used in the art.
Method in following embodiment, if no special instructions, is the conventional method of this area.
Embodiment 1:
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance as shown in Figure 1, including by aluminium alloy conductor 1 and insulation
Insulated wire cores, implant (3 fiberglass threads), fire-resistant isinglass belt lapping layer 4 and PVC that layer 2 (crosslinked polyethylene) are constituted protect
Set 5, by weight, described PVC sheath is mixed by following components: polyvinyl chloride resin 100 parts, and ethylene propylene diene rubber 15 parts is resistance to
Hot reinforcing agent 10 parts, polyisobutylene 5 parts, calcinated argil 20 parts, stearic acid 1 part, paraffin oil 10 parts, heat stabilizer (dimethyl chloride
Change stannum) 1 part, light stabilizer (Tinuvin 622) 1 part, 1 part of antioxidant (antioxidant 1010, antioxidant 1076, irgasfos 168),
Toughener 5 parts.
Described heat-resisting reinforcing agent is nano zeolite powder and the mixture of attapulgite is modified after process, wherein nanometer
Zeolite powder and attapulgite mass ratio are 0.3:1.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 zeolite powder 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, is then vacuum dried 4h at 75 DEG C and obtains primary modifier；Described acid solution be mass concentration be the nitre of 5%
Acid 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 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 wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance as shown in Figure 1, including by aluminium alloy conductor 1 and insulation
Insulated wire cores, implant (3 fiberglass threads), fire-resistant isinglass belt lapping layer 4 and PVC that layer 2 (crosslinked polyethylene) are constituted protect
Set 5, by weight, described PVC sheath is mixed by following components: polyvinyl chloride resin 100 parts, and ethylene propylene diene rubber 20 parts is resistance to
Hot reinforcing agent 15 parts, polyisobutylene 10 parts, calcinated argil 30 parts, stearic acid 3 parts, paraffin oil 15 parts, heat stabilizer (methyl mercaptan
Stannum) 2 parts, light stabilizer (Tinuvin 770) 3 parts, 2 parts of antioxidant (antioxidant 1076), toughener 8 parts.
Described heat-resisting reinforcing agent is nano zeolite powder and the mixture of attapulgite is modified after process, wherein nanometer
Zeolite powder and attapulgite mass ratio are 0.5:1.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 zeolite powder 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, is then vacuum dried 2h at 85 DEG C and obtains primary modifier；Described acid solution be mass concentration be 10%
Salpeter 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 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 wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance as shown in Figure 1, including by aluminium alloy conductor 1 and insulation
Insulated wire cores, implant (3 fiberglass threads), fire-resistant isinglass belt lapping layer 4 and PVC that layer 2 (crosslinked polyethylene) are constituted protect
Set 5, by weight, described PVC sheath is mixed by following components: polyvinyl chloride resin 100 parts, and ethylene propylene diene rubber 18 parts is resistance to
Hot reinforcing agent 12 parts, polyisobutylene 8 parts, calcinated argil 25 parts, stearic acid 2 parts, paraffin oil 12 parts, heat stabilizer (maleic acid two
Butyl tin) 1-2 part, light stabilizer (Tinuvin 770) 1-3 part, 1.5 parts of antioxidant (irgasfos 168), toughener 7 parts.
Described heat-resisting reinforcing agent is nano zeolite powder and the mixture of attapulgite is modified after process, wherein nanometer
Zeolite powder and attapulgite mass ratio are 0.4:1.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 zeolite powder 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, is then vacuum dried 3h at 80 DEG C and obtains primary modifier；Described acid solution be mass concentration be the nitre of 7%
Acid 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 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 0.45W/m2, 340nm ultraviolet light and aging is elongation at break holding after 6000 hours
Rate ＞ 70%.The hot strength ＞ 25MPa of the PVC sheath material of the present invention, elongation at break ＞ 350%, through 136 DEG C × 168h
After hot air aging, stretching strength retentivity ＞ 97%, elongation at break conservation rate ＞ 97%.Through the artificial climate of 1000 hours
After degradation, 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 wrapped aluminium alloy power cable for ultraviolet aging resistance, including the covered wire being made up of aluminium alloy conductor and insulating barrier
Core, implant, fire-resistant isinglass belt lapping layer and PVC sheath, it is characterised in that 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.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 1, it is characterised in that: described resistance to
Hot reinforcing agent is nano zeolite powder and the mixture of attapulgite is modified after process, wherein nano zeolite powder and attapulgite
Soil mass ratio is 0.3-0.5:1.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 1 and 2, it is characterised in that: institute
The concrete preparation process stating 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 zeolite powder 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 at 75-85 DEG C and obtains primary modifier；(5) it is 35-45%'s by mass concentration
Titanate coupling agent ethanol solution and primary modifier mixing 25-35min, then adding mass concentration is 40-50%
The ethanol solution mixing 35-45min of silane coupler KH570, is then vacuum dried 30-60min at 80-90 DEG C, pulverizes
After heat-resisting reinforcing agent.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 3, it is characterised in that: step
(3) in, the dimethyl sulphoxide solution consumption of mass concentration 10-15% is that every gram of mixture uses 10-15mL.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 3, it is characterised in that: step
(4) acid solution described in be mass concentration be salpeter solution and the mass concentration of 5-10% be 10-15% acetic acid solution according to
The mixture of 1:3-5 volume ratio.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 3, it is characterised in that: step
(5) in, the consumption of titanate coupling agent is the 0.3-0.5% of primary modifier weight, and the consumption of silane coupler KH570 is just
The 1-1.5% of level modifier weight.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 1, it is characterised in that: described heat
Stabilizer one or several in dimethylammonium chloride stannum, dibutyl tin laurate, Methyl stannum mercaptide, dibutyitin maleate
Kind.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 1, it is characterised in that: described light
Stabilizer one or several in hindered amine light stabilizer Tinuvin 622, Tinuvin 770, chimassorb 944
Kind.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 1, it is characterised in that: described anti-
One or more in antioxidant 1010, antioxidant 1076, irgasfos 168 of oxygen agent.
The wrapped aluminium alloy power cable of a kind of ultraviolet aging resistance the most according to claim 1, it is characterised in that: described
Toughener is modified bamboo fiber, and modified bamboo fiber producing processes is: bamboo fibre is added water regulation water content to 65-70%, then
Spraying on bamboo fibre and uniformly spray 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 at putting 75-85 DEG C to moisture below 3%.
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Application publication date: 20161116 |