CN107936734A - A kind of corrosion resistant power steel pipe tower rod - Google Patents
A kind of corrosion resistant power steel pipe tower rod Download PDFInfo
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- CN107936734A CN107936734A CN201711069987.2A CN201711069987A CN107936734A CN 107936734 A CN107936734 A CN 107936734A CN 201711069987 A CN201711069987 A CN 201711069987A CN 107936734 A CN107936734 A CN 107936734A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1687—Use of special additives
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/06—CO2, N2 or noble gases
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2343/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium or a metal; Derivatives of such polymers
- C08J2343/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2401/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
- C08J2401/08—Cellulose derivatives
- C08J2401/26—Cellulose ethers
- C08J2401/28—Alkyl ethers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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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- Chemical Kinetics & Catalysis (AREA)
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- Rigid Pipes And Flexible Pipes (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
A kind of corrosion resistant power steel pipe tower rod,Belong to power steel pipe tower rod technical field,Including steel pipe tower rod body and the protective layer for being arranged on steel pipe tower rod outer surface of tube wall,The raw material composition of protective layer includes,Count in parts by weight,20 30 parts of hydroxyethyl cellulose aqueous solution,0.1 0.2 parts of glycerine,13 parts of propane diols,35 parts of propandiol butyl ether,Pure 60 70 parts of third silicon emulsion,0.05 0.1 parts of sodium 2,4,5-trichlorophenate,0.1 0.2 parts of magnesium hydroxide,0.1 0.2 parts of zinc dimethyl dithiocarbamate,0.1 0.2 parts of castor bean carbonized,0.3 0.5 parts of hydroxypropyl starch ether,0.2 0.4 parts of ethylene bis stearamide,0.05 0.1 parts of aluminium-magnesium silicate,0.05 0.1 parts of zasiokaurin,0.05 0.1 parts of cyclodextrin,PH value is adjusted to 89.The corrosion resistant power steel pipe tower rod wearability of the present invention is good, and service life length, has the advantages that impervious, waterproof, light weight, pliability are good, intensity is high.
Description
Technical field
The invention belongs to power steel pipe tower rod technical field, is related to a kind of corrosion resistant power steel pipe tower rod, and the present invention is resistance to
The power steel pipe tower rod of corrosion is anticorrosive good, and service life length, has impervious, waterproof, light weight, pliability is good, intensity is high
Advantage.
Background technology
The steel tube tower in electric transmission line bar of China's power department has a variety of at present, such as more rib wall steel pipe tower rods.But mesh
There are some in preceding steel pipe tower rod, root from the ground 1 meter Chu positions easily by being sputtered from ground, rainwater containing corrosive medium
Corrosion, causes support strength to decline, and produces security risk, and the corrosion-resistant coating intensity of root outer surface is low, easy scraping collision damage, anti-corrosion
It is poor to lose effect, to tower bar without humidification, askew tower, the accident of falling tower easily occurs when meeting strong wind, causes economic loss, service life
It is short.
The content of the invention
The present invention is in order to solve the above technical problems, devise a kind of corrosion resistant power steel pipe tower rod, protective layer of the present invention
It is by way of brushing, for directly brush in the outer surface of steel pipe iron, thickness is less than 1mm, forms steel pipe tower rod protective layer.
The present invention is to realize that the technical solution that its purpose uses is：
A kind of corrosion resistant power steel pipe tower rod, including tower bar body and the guarantor for being arranged on steel pipe tower rod outer surface of tube wall
Sheath, the raw material composition of protective layer includes, based in parts by weight, 20-30 parts of hydroxyethyl cellulose aqueous solution, and glycerine 0.1-
0.2 part, 1-3 parts of propane diols, 3-5 parts of propandiol butyl ether, pure 60-70 parts of third silicon emulsion, 0.05-0.1 parts of sodium 2,4,5-trichlorophenate, hydrogen-oxygen
Change 0.1-0.2 parts of magnesium, 0.1-0.2 parts of zinc dimethyl dithiocarbamate, 0.1-0.2 parts of castor bean carbonized, hydroxypropyl shallow lake
0.3-0.5 parts of powder ether, 0.2-0.4 parts of ethylene bis stearamide, 0.05-0.1 parts of aluminium-magnesium silicate, 0.05-0.1 parts of zasiokaurin,
0.05-0.1 parts of cyclodextrin, adjusts pH value to 8-9.
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, and based in parts by weight, ethoxy is fine
Plain 30 parts of the aqueous solution of dimension, 0.1 part of glycerine, 2.85 parts of propane diols, 5 parts of propandiol butyl ether, pure 60 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate
0.05 part, 0.2 part of magnesium hydroxide, 0.2 part of zinc dimethyl dithiocarbamate, 0.2 part of castor bean carbonized, hydroxypropul starch
0.5 part of ether, 0.4 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, 0.1 part of zasiokaurin, 0.1 part of cyclodextrin, adjusts pH value extremely
8。
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, and based in parts by weight, ethoxy is fine
Plain 26 parts of the aqueous solution of dimension, 0.15 part of glycerine, 2.5 parts of propane diols, 4.5 parts of propandiol butyl ether, pure 65 parts of third silicon emulsion, trichlorophenol, 2,4,6,-T
0.1 part of sodium, 0.15 part of magnesium hydroxide, 0.15 part of zinc dimethyl dithiocarbamate, 0.1 part of castor bean carbonized, hydroxypropyl
0.5 part of starch ether, 0.35 part of ethylene bis stearamide, 0.05 part of aluminium-magnesium silicate, 0.1 part of zasiokaurin, 0.05 part of cyclodextrin, is adjusted
PH value is to 8.5.
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, and based in parts by weight, ethoxy is fine
Plain 20 parts of the aqueous solution of dimension, 0.2 part of glycerine, 3 parts of propane diols, 5 parts of propandiol butyl ether, pure 70 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate
0.05 part, 0.2 part of magnesium hydroxide, 0.2 part of zinc dimethyl dithiocarbamate, 0.2 part of castor bean carbonized, hydroxypropul starch
0.4 part of ether, 0.3 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, 0.05 part of zasiokaurin, 0.1 part of cyclodextrin, adjusts pH value extremely
9。
Count in parts by weight, the protective layer raw material further includes 5-7.5 parts of ammonium polyphosphate, 1-1.5 parts of melamine, season penta
0.5-1 parts of tetrol, 0.3-0.8 parts of expanded graphite.
Protective layer material is prepared into using protective layer raw material, by directly brushing protective layer material in steel pipe tower rod tube wall
Outer surface forms protective layer by foaming heat expressing technique.
Protective layer is formed by foaming heat expressing technique to comprise the following steps：The raw material of protective layer is formed in extruding machine
Mix, be heated into slurry, industrial nitrogen is injected into slurry and forms the uniformly mixed slurry containing gas, the slurry containing gas exists
Extrusion molding in extruded mould, release of pressure after depanning, gas expansion, forms foaming protective layer.
The beneficial effects of the invention are as follows：
The corrosion resistant power steel pipe tower rod corrosion resistance of the present invention is good, wearability is good so that steel pipe tower rod has obtained more preferably
Protection, effectively prevent because corrosion etc. caused by factor steel pipe tower rod structural strength reduce, use is more safe and reliable.
Glycerine plays wetting in protective layer raw material of the present invention, promotes the mixing between each component to blend, with dimethyl two
Zinc thiocarbamate synergy also has the effect of decontamination and solubilising.
The addition of cyclodextrin, using the characteristic that its outer rim is hydrophilic, can promote the knot between pure third silicon emulsion and each component
Close, strengthen intermolecular active force；By being combined with hydroxypropyl starch ether, the globality of material can be improved, beneficial to construction, is carried
The ductility and plasticity of high protective layer, and make the protective layer to be formed that there is self-healing ability, when friction etc. makes protective layer, there are tiny
During cut, protective layer can be voluntarily compound, avoids the potential hazard of cut, such as over time, cut cracking, moisture,
Moisture etc., which enters, destroys protective layer internal structure, and the cut later stage becomes larger service life for influencing protective layer etc.；The addition of cyclodextrin at the same time
With propandiol butyl ether, ethylene bis stearamide, pure third silicon emulsion collective effect, can be formed with the compound of inclusion complex physico-chemical property
Thing, the effect can reduce oxidation, be passivated light sensitivity and thermal sensitivity, improve the resistance to ag(e)ing of protective layer.
Sodium 2,4,5-trichlorophenate plays the role of sterilization, can strengthen bactericidal effect by adding zasiokaurin, improve sterilization effect
2-3 times of fruit, so as to get protective layer be also equipped with biocidal property, which to be immersed in the steel pipe tower rod root in rainwater from invading
Evil, prevents root infringement from causing to corrode.
Castor bean carbonized is added in pure third silicon emulsion jointly with ethylene bis stearamide, can improve the light of protective layer
Slippery, further reduces friction, improves wearability, while also adsorbable peculiar smell, when environment used in steel pipe tower rod is dirty there are air
During dye, which can play the role of certain purification air.
The addition of aluminium-magnesium silicate has thixotropic rheological effect, and in film forming procedure and pure third silicon emulsion phase interaction
With formation network blackboard, while improving protective layer consistency, effectively hinders other materials for the broken of protective layer
Bad effect, largely improves the performances such as salt spray resistance acid-fast alkali-proof, and the addition of magnesium hydroxide can further improve it is anti-
Corrosivity.
Ethylene bis stearamide, zasiokaurin, cyclodextrin combination so that the protective layer obtained by pure third silicon emulsion has resistance to
High temperature, high pressure, water impermeability, frost resistance.
The present invention is to further improve fire resistance, adds ammonium polyphosphate, melamine, pentaerythrite, expanded graphite,
Ammonium polyphosphate, melamine, pentaerythrite are expanded Yi Dan when protective layer is heated, and are filled up the exiguous space between coated filler, are subtracted
The transfer rate of slow heat, forms foaming layer.It is swollen that the control of expanded graphite dosage makes expanded graphite be heated at 180 DEG C or so
Swollen, " scale " shape charcoal body volume increases hundreds times, becomes " worm " shape charcoal body.This physical process is endothermic process, and due to
The density of " worm " shape charcoal body is smaller, and the dilatant generated has preferable stability, and being covered in substrate surface makes foaming layer
Keep effective framework ingredient, thus play the role of in foaming layer absorb heat, reinforcing fiber, and foaming layer uniformly by
Heat, reaches heat-insulated purpose steady in a long-term.
By the selection of each raw material of the present invention and the collocation of ratio, in use, brushing is in steel pipe tower rod outer surface of tube wall
Can, the very thin thickness of protective layer, significantly reduces the impost to steel pipe tower rod, saves cost and raw material.But due to
Protective layer is extremely thin, its intensity and pliability need to get both, and to solve the ultra-thin caused above problem of protective layer, we pass through
Long-term research and a series of exploration, by the way that hydroxypropyl starch ether and zasiokaurin are combined, are added in pure third silicon emulsion,
Solve the above problem, not only ensure that the intensity and hardness of protective layer, but also make protective layer that there is bent pliability, brushing is arrived
After steel pipe tower rod outer surface of tube wall forms protective layer, it is not susceptible to crack.
The present invention can also be processed into the corrosion-resistant protective with foaming structure by the thermoforming process that foams, then pass through
Corrosion-resistant protective is wrapped on the outside of steel pipe tower rod tube wall and forms protective layer by conventional technique, which adds tube wall
Thickness, but do not increase its weight, since foaming structure further increases the cold resistance of steel pipe tower rod, appearance is more smooth.When
After forming resistance to protective using foam process, the outer surface of tube wall that resistance to protective is wrapped in steel pipe tower rod using tack coat is formed
Protective layer.
Embodiment
With reference to specific embodiment, the present invention is further illustrated.
Embodiment 1
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 30 parts of aqueous solution, 0.1 part of glycerine, 2.85 parts of propane diols, 5 parts of propandiol butyl ether, pure 60 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate
0.05 part, 0.2 part of magnesium hydroxide, 0.2 part of zinc dimethyl dithiocarbamate, 0.2 part of castor bean carbonized, hydroxypropul starch
0.5 part of ether, 0.4 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, 0.1 part of zasiokaurin, 0.1 part of cyclodextrin, adjusts pH value extremely
8。
Embodiment 2
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 26 parts of aqueous solution, 0.15 part of glycerine, 2.5 parts of propane diols, 4.5 parts of propandiol butyl ether, pure 65 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate
0.1 part, 0.15 part of magnesium hydroxide, 0.15 part of zinc dimethyl dithiocarbamate, 0.1 part of castor bean carbonized, hydroxypropyl shallow lake
0.5 part of powder ether, 0.35 part of ethylene bis stearamide, 0.05 part of aluminium-magnesium silicate, 0.1 part of zasiokaurin, 0.05 part of cyclodextrin, poly- phosphorus
Sour 5 parts of ammonium, 1 part of melamine, 0.5 part of pentaerythrite, 0.3 part of expanded graphite, adjusts pH value to 8.5.
Embodiment 3
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 20 parts of aqueous solution, 0.2 part of glycerine, 3 parts of propane diols, 5 parts of propandiol butyl ether, pure 70 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate 0.05
Part, 0.2 part of magnesium hydroxide, 0.2 part of zinc dimethyl dithiocarbamate, 0.2 part of castor bean carbonized, hydroxypropyl starch ether
0.4 part, 0.3 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, 0.05 part of zasiokaurin, 0.1 part of cyclodextrin, adjusts pH value to 9.
Embodiment 4
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 25 parts of aqueous solution, 0.1 part of glycerine, 1 part of propane diols, 3 parts of propandiol butyl ether, pure 69.57 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate
0.05 part, 0.1 part of magnesium hydroxide, 0.15 part of zinc dimethyl dithiocarbamate, 0.2 part of castor bean carbonized, hydroxypropyl shallow lake
0.3 part of powder ether, 0.2 part of ethylene bis stearamide, 0.05 part of aluminium-magnesium silicate, 0.1 part of zasiokaurin, 0.05 part of cyclodextrin, adjusts pH
It is worth to 8.3.
Embodiment 5
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 27 parts of aqueous solution, 0.15 part of glycerine, 2 parts of propane diols, 4 parts of propandiol butyl ether, pure 65.17 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate
0.1 part, 0.15 part of magnesium hydroxide, 0.2 part of zinc dimethyl dithiocarbamate, 0.1 part of castor bean carbonized, hydroxypropul starch
0.4 part of ether, 0.3 part of ethylene bis stearamide, 0.08 part of aluminium-magnesium silicate, 0.05 part of zasiokaurin, 0.1 part of cyclodextrin, polyphosphoric acid
7.5 parts of ammonium, 1.5 parts of melamine, 1 part of pentaerythrite, 0.8 part of expanded graphite, adjusts pH value to 8.6.
Embodiment 6
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 29 parts of aqueous solution, 0.2 part of glycerine, 1.5 parts of propane diols, 3.5 parts of propandiol butyl ether, pure 63.91 parts of third silicon emulsion, trichlorophenol, 2,4,6,-T
0.08 part of sodium, 0.2 part of magnesium hydroxide, 0.1 part of zinc dimethyl dithiocarbamate, 0.15 part of castor bean carbonized, hydroxypropyl
0.5 part of starch ether, 0.4 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, 0.08 part of zasiokaurin, 0.08 part of cyclodextrin, gathers
7 parts of ammonium phosphate, 1.3 parts of melamine, 0.7 part of pentaerythrite, 0.6 part of expanded graphite, adjusts pH value to 8.7.
Embodiment 7
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 23 parts of aqueous solution, 0.1 part of glycerine, 2.5 parts of propane diols, 4.5 parts of propandiol butyl ether, pure 68.09 parts of third silicon emulsion, trichlorophenol, 2,4,6,-T
0.05 part of sodium, 0.1 part of magnesium hydroxide, 0.15 part of zinc dimethyl dithiocarbamate, 0.2 part of castor bean carbonized, hydroxypropyl
0.35 part of starch ether, 0.25 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, 0.05 part of zasiokaurin, 0.1 part of cyclodextrin, is adjusted
PH value is to 8.4.
Embodiment 8
A kind of corrosion resistant power steel pipe tower rod, the raw material composition of protective layer include, count in parts by weight, hydroxy ethyl fiber
Plain 28 parts of aqueous solution, 0.15 part of glycerine, 3 parts of propane diols, 3 parts of propandiol butyl ether, pure 64.14 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate
0.1 part, 0.15 part of magnesium hydroxide, 0.1 part of zinc dimethyl dithiocarbamate, 0.2 part of castor bean carbonized, hydroxypropul starch
0.45 part of ether, 0.35 part of ethylene bis stearamide, 0.08 part of aluminium-magnesium silicate, 0.05 part of zasiokaurin, 0.08 part of cyclodextrin, poly- phosphorus
Sour 6 parts of ammonium, 1.2 parts of melamine, 0.8 part of pentaerythrite, 0.5 part of expanded graphite, adjusts pH value to 8.2.
The corrosion resistant power steel pipe tower rod protective layer material of the present invention can be prepared by common process, under more preferably mode is
State method：
(1), the preparation of hydroxyethyl cellulose aqueous solution
Stock up by following mass percentage：Hydroxyethyl cellulose 2~2.8%, water 97.205~98%；Afterwards, first will
Water is added to high speed dispersor, and the rotating speed of its high speed dispersor is 350-400r/min, adds hydroxyethyl cellulose progress
Stir 30-40min, the rotating speed of high speed dispersor be 1400-1500r/min, it is to be mixed be pellucidity or translucent after,
After stirring 5-6min, pH value is adjusted to be stirred evenly, it is spare that standing obtains hydroxyethyl cellulose aqueous solution to 8-9；
(2) take hydroxyethyl cellulose aqueous solution, glycerine, propane diols, propandiol butyl ether, pure third silicon emulsion, sodium 2,4,5-trichlorophenate,
Hydroxypropyl starch ether, ethylene bis stearamide, aluminium-magnesium silicate, zasiokaurin, cyclodextrin are proportionally added into low speed dispersion machine,
Its low speed dispersing speed is 300-400r/min, mixing time 30-40min, spare：
(3) magnesium hydroxide, zinc dimethyl dithiocarbamate, castor bean carbonized are proportionally added into step (2),
Low speed dispersing speed is 100-200r/min, and mixing time 10-20min, obtains protective layer material.
Castor bean carbonized of the present invention is that castor bean is placed in retort, when charing process 3.4 is small at 620 DEG C, is taken
Go out, then crush what is obtained.As needed ammonium polyphosphate, melamine, pentaerythrite, expansion are added in step (2) at the same time
Graphite is disperseed.
The preparation of protective layer of the present invention：
1st, protective layer material is prepared into using protective layer raw material, by directly brushing protective layer material in steel tube tower rod tube
Wall outer surface forms protective layer.
2nd, protective layer is formed by foaming heat expressing technique to comprise the following steps：
Extruding machine of the machine barrel injecting hole aperture for 0.5-1.5mm is selected, the raw material of protective layer is formed and is mixed in extruding machine
Close, be heated into slurry；Pressure is injected into slurry and forms the uniformly mixed slurry containing gas for 1.0-6.0MPa industrial nitrogens；
The extrusion molding in extruded mould of slurry containing gas, release of pressure after depanning, gas expansion, forms foaming protective layer.
The performance of the corrosion resistant power steel pipe tower rod of the present invention is as follows：
Table 1
Table 2
What this corrosion resistant power steel pipe tower rod solved is that existing power steel pipe tower rod is easily made by influences such as rainwater, ultraviolets
Into destruction, there are security risk.This corrosion resistant power steel pipe tower rod utilizes taking between each component by brushing above-mentioned material
Match somebody with somebody, form power steel pipe tower rod protective layer.The protective coating corrosion resistance is good, can prevent moisture, rainwater etc. from corroding electric power
Steel pipe tower rod, and there is anti-aging property, ultraviolet is resisted, the adverse circumstances being either still exposed to the sun in humidity, can ensure
Power steel pipe tower rod is not damaged；At the same time can also have wearability is good, stretch-resistance is good, pliability is good, tear resistance is high,
The advantages that surface is smooth, can avoid the damage to protective layer in dusty wind weather.
Claims (7)
1. a kind of corrosion resistant power steel pipe tower rod, including steel pipe tower rod body and the guarantor for being arranged on steel pipe tower rod outer surface of tube wall
Sheath, it is characterised in that the raw material composition of protective layer includes, and counts in parts by weight, 20-30 parts of hydroxyethyl cellulose aqueous solution,
0.1-0.2 parts of glycerine, 1-3 parts of propane diols, 3-5 parts of propandiol butyl ether, pure 60-70 parts of third silicon emulsion, sodium 2,4,5-trichlorophenate 0.05-
0.1 part, 0.1-0.2 parts of magnesium hydroxide, 0.1-0.2 parts of zinc dimethyl dithiocarbamate, 0.05-0.1 parts of aluminium-magnesium silicate, castor
Numb 0.1-0.2 parts of seed carbonized, 0.3-0.5 parts of hydroxypropyl starch ether, 0.2-0.4 parts of ethylene bis stearamide, zasiokaurin
0.05-0.1 parts, 0.05-0.1 parts of cyclodextrin, adjusts pH value to 8-9.
A kind of 2. corrosion resistant power steel pipe tower rod according to claim 1, it is characterised in that the raw material composition of protective layer
Including counting in parts by weight, 30 parts of hydroxyethyl cellulose aqueous solution, 0.1 part of glycerine, 2.85 parts of propane diols, propandiol butyl ether 5
Part, pure 60 parts of third silicon emulsion, 0.05 part of sodium 2,4,5-trichlorophenate, 0.2 part of magnesium hydroxide, 0.2 part of zinc dimethyl dithiocarbamate,
0.2 part of castor bean carbonized, 0.5 part of hydroxypropyl starch ether, 0.4 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, popcorn
0.1 part of powder, 0.1 part of cyclodextrin, adjusts pH value to 8.
A kind of 3. corrosion resistant power steel pipe tower rod according to claim 1, it is characterised in that the raw material composition of protective layer
Including counting in parts by weight, 26 parts of hydroxyethyl cellulose aqueous solution, 0.15 part of glycerine, 2.5 parts of propane diols, propandiol butyl ether 4.5
Part, pure 65 parts of third silicon emulsion, 0.1 part of sodium 2,4,5-trichlorophenate, 0.15 part of magnesium hydroxide, zinc dimethyl dithiocarbamate 0.15
Part, 0.1 part of castor bean carbonized, 0.5 part of hydroxypropyl starch ether, 0.35 part of ethylene bis stearamide, 0.05 part of aluminium-magnesium silicate, jade
0.1 part of popped rice powder, 0.05 part of cyclodextrin, adjusts pH value to 8.5.
A kind of 4. corrosion resistant power steel pipe tower rod according to claim 1, it is characterised in that the raw material composition of protective layer
Including counting in parts by weight, 20 parts of hydroxyethyl cellulose aqueous solution, 0.2 part of glycerine, 3 parts of propane diols, 5 parts of propandiol butyl ether is pure
Third 70 parts of silicon emulsion, 0.05 part of sodium 2,4,5-trichlorophenate, 0.2 part of magnesium hydroxide, 0.2 part of zinc dimethyl dithiocarbamate, castor-oil plant
0.2 part of seed carbonized, 0.4 part of hydroxypropyl starch ether, 0.3 part of ethylene bis stearamide, 0.1 part of aluminium-magnesium silicate, zasiokaurin
0.05 part, 0.1 part of cyclodextrin, adjusts pH value to 9.
5. a kind of corrosion resistant power steel pipe tower rod according to claim 1, it is characterised in that count in parts by weight, institute
State protective layer raw material and further include 5-7.5 parts of ammonium polyphosphate, 1-1.5 parts of melamine, 0.5-1 parts of pentaerythrite, expanded graphite
0.3-0.8 parts.
6. a kind of corrosion resistant power steel pipe tower rod according to claim 1, it is characterised in that utilize protective layer raw material system
It is standby into protective layer material, by directly brushing in steel pipe tower rod outer surface of tube wall or passing through the hot-extrudable work that foams protective layer material
Skill forms protective layer.
7. a kind of corrosion resistant power steel pipe tower rod according to claim 6, it is characterised in that pass through the hot-extrudable work that foams
Skill forms protective layer and comprises the following steps：The raw material of protective layer is formed and mixed in extruding machine, be heated into slurry, into slurry
Injection industrial nitrogen forms the uniformly mixed slurry containing gas, the extrusion molding in extruded mould of the slurry containing gas, depanning
Release of pressure afterwards, gas expansion, forms foaming protective layer.
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| CN201711069987.2A CN107936734A (en) | 2017-11-03 | 2017-11-03 | A kind of corrosion resistant power steel pipe tower rod |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821427A (en) * | 2016-05-30 | 2016-08-03 | 南方电网科学研究院有限责任公司 | Pole tower of power transmission line and maintenance method thereof |
| CN106590271A (en) * | 2016-12-07 | 2017-04-26 | 温州任和文化创意有限责任公司 | Water-resistant material for brush-coating and filling cable |
| CN107151509A (en) * | 2017-06-07 | 2017-09-12 | 合肥励仙电力工程有限公司 | One kind is used for fireproofing of cable coating and preparation method thereof |
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2017
- 2017-11-03 CN CN201711069987.2A patent/CN107936734A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105821427A (en) * | 2016-05-30 | 2016-08-03 | 南方电网科学研究院有限责任公司 | Pole tower of power transmission line and maintenance method thereof |
| CN106590271A (en) * | 2016-12-07 | 2017-04-26 | 温州任和文化创意有限责任公司 | Water-resistant material for brush-coating and filling cable |
| CN107151509A (en) * | 2017-06-07 | 2017-09-12 | 合肥励仙电力工程有限公司 | One kind is used for fireproofing of cable coating and preparation method thereof |
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| Title |
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| 吴智华等: "《高分子材料成型工艺学》", 30 September 2010, 四川大学出版社 * |
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