CN107841175A - A kind of chromium-free Dyclo paint of rub resistance - Google Patents
A kind of chromium-free Dyclo paint of rub resistance Download PDFInfo
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- CN107841175A CN107841175A CN201711018357.2A CN201711018357A CN107841175A CN 107841175 A CN107841175 A CN 107841175A CN 201711018357 A CN201711018357 A CN 201711018357A CN 107841175 A CN107841175 A CN 107841175A
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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
- 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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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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
- 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
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
Abstract
The present invention relates to technical field of metal anti-corrosion, and in particular to a kind of chromium-free Dyclo paint of rub resistance, the chromium-free Dyclo paint of the rub resistance are made up of feedstock composition, and on the basis of the parts by weight of metal dust 100, the feedstock composition includes：The parts by weight of metal dust 100, the parts by weight of water-soluble silicate 6~18, the parts by weight of borate 3~10, the parts by weight of silane coupler 1~3, the parts by weight of wetting agent 10~30, the parts by weight of auxiliary agent 3~6, the parts by weight of water 100~200；Contain silicate and borate in the Dyclo paint of the present invention, under high temperature action, form silicon boron alumin(i)um zinc alloy combined anti-corrosion layer, improve coating antiseptic performance wearable and wipe performance performance.
Description
Technical field
The present invention relates to technical field of metal anti-corrosion, and in particular to a kind of chromium-free Dyclo paint of rub resistance.
Background technology
Railway fastener is for connecting the parts in rail, and common railway fastener has anchor bolt class, spiral shell
Bolt class, high-strength steel construction hex bolts, track switch bolt, nut, pad, round end side are cut in rotation railway spike class, segment bolt, high-strength torsion
Neck bolt, hex bolts and T-bolt etc., these fasteners when in use, in atmosphere, easily corroded by exposure mostly,
The being completely embedded property of parts in rail is influenceed, so as to influence the security performance of railway.
Dacromet Technology is a kind of Metal surface anti-corrosion new technology developed in recent years, and late 1960s are by U.S.
DIAMOND SHAMROCK companies of state invent.The great advantage of Dacromet/steel is exactly to have splendid anti-corrosion capability, and its is resistance to
Corrosion can improve 7-10 times compared with traditional galvanizing surface handling process；Coating has without hydrogen brittleness, especially suitable for height
Intensity stressed member；The high-fire resistance of coating, heat resisting temperature are up to 300 DEG C；There is coating high osmosis, high tack, height to subtract simultaneously
The excellent properties such as mill property, high-weatherability, high resistance to chemicals product stability, nonstaining property.But for from the strict sense, Dacroment
It is not complete nonpolluting coating, because containing 2% Cr in the dacroment process liquid6+。Cr6+Strong toxicity and to human body
With carcinogenesis, also there is very big toxic action to crops and microorganism；It is meanwhile although most in Dyclo paint
Cr6+Reaction is participated in film forming procedure is toasted and is converted into Cr3+, but still have a small amount of chromium with solvable Cr6+Form retain
In Dacromet/steel, human body and environment are damaged in use.
Publication No. CN102277022A Chinese patent discloses a kind of Water-based chrome-free Dacromet coating solution, the water-based nothing
The ratio of zinc powder is higher in chromium Dacroment masking liquid, and the speed of corrosive medium infiltration base material can be accelerated in high temperature environments, and zinc
Electrode potential will reduce more than 70 DEG C, and the electrode potential that this results in zinc under high temperature is lower than the electrode potential of iron, so as to not
Sacrificial anode and protective cathode can be played a part of.Publication No. CN105542540A Chinese patent discloses a kind of Al2O3 and received
The chromium-free Dyclo anticorrosive paint of rice grain enhancing, the chromium-free Dyclo anticorrosive paint is mainly using sodium molybdate, boric acid as passivation
Liquid, with metal paste and Modification on Al2O3As active component, the Dacromet/steel that the coating preparation obtains has hard nano particle
The features such as degree height and corrosion resistance, but its mechanical strength is also to be further improved.
The content of the invention
It is an object of the invention to provide a kind of chromium-free Dyclo paint of rub resistance, formed after the coating sintering silicon-boron-
Aluminum-zinc alloy combined anti-corrosion layer, and anti-wear performance is excellent.
To achieve these goals, the present invention provides a kind of chromium-free Dyclo paint of rub resistance, the nothing of the rub resistance
Chromium Dyclo paint is made up of feedstock composition, and on the basis of the parts by weight of metal dust 100, the feedstock composition includes：Gold
Belong to the parts by weight of powder 100, the parts by weight of water-soluble silicate 6~18, the parts by weight of borate 3~10, the weight of silane coupler 1~3
Part, the parts by weight of wetting agent 10~30, the parts by weight of auxiliary agent 3~6, the parts by weight of water 100~200.
Pass through above-mentioned technical proposal, contain silicate and borate in Dyclo paint of the invention, coated by coating
After workpiece surface, workpiece can be heated at high temperature, in high-temperature heating process, it is compound anti-to form silicon-boron-aluminum-zinc alloy
Rotten layer, improve coating antiseptic performance wearable and wipe performance performance.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Embodiment
The embodiment of the present invention is described in detail below.It is it should be appreciated that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The end points of disclosed scope and any value are not limited to the accurate scope or value herein, these scopes or
Value should be understood to comprising the value close to these scopes or value.For number range, between the endpoint value of each scope, respectively
It can be combined with each other between the endpoint value of individual scope and single point value, and individually between point value and obtain one or more
New number range, these number ranges should be considered as specific open herein.
A kind of chromium-free Dyclo paint of rub resistance, is made up of feedstock composition, using the parts by weight of metal dust 100 as base
Standard, the feedstock composition include：The parts by weight of metal dust 100, the parts by weight of water-soluble silicate 6~18, the weight of borate 3~10
Measure part, the parts by weight of silane coupler 1~3, the parts by weight of wetting agent 10~30, the parts by weight of auxiliary agent 3~6, the parts by weight of water 100~200.
In the present invention, silicate and borate are contained in the Dyclo paint, after coating is coated in into workpiece surface,
Workpiece can be heated at high temperature, in high-temperature heating process, silicon ion and boron ion can enter metal powder in a manner of diffusion
In end, alloy material is formed, the powder flaking degree and surfacing smoothness of metal dust is improved, reaches reduction coating
The effect of scratch-resistant performance.
In addition, silicate can also generate silica at high temperature, silicon dioxide granule plays scattered in composite coating
The effect of stress, have the function that to reduce frictional force.
Under the conditions of, according to the invention it is preferred to, on the basis of the parts by weight of metal dust 100, the feedstock composition includes：Gold
Belong to the parts by weight of powder 100, the parts by weight of water-soluble silicate 8~12, the parts by weight of borate 4~8, the weight of silane coupler 1~3
Part, the parts by weight of wetting agent 15~25, the parts by weight of auxiliary agent 3~6, the parts by weight of water 120~180.
Under the conditions of, according to the invention it is preferred to, the weight ratio of the water-soluble silicate and borate is (1.5~2)：1.
Under the conditions of, according to the invention it is preferred to, water-soluble silicate is selected from sodium metasilicate and/or potassium silicate.
Under the conditions of, according to the invention it is preferred to, the borate is selected from sodium tetraborate, dipotassium tetraborate, kodalk and inclined boron
At least one of sour potassium.
Under the conditions of, according to the invention it is preferred to, the metal dust includes zinc flake and flake aluminum, and the sheet zinc
The mass ratio of powder and flake aluminum is (4.2~5.3)：1.
Under the conditions of, according to the invention it is preferred to, 0.2~0.4 μm of the thickness of the aluminium powder, a diameter of 5~20 μm.
Under the conditions of, according to the invention it is preferred to, 0.2~0.4 μm of the thickness of the aluminium powder, a diameter of 5~20 μm.
Under the conditions of, according to the invention it is preferred to, the silane coupler is selected from γ-methacryloxypropyl trimethoxy
Silane, γ-(oxygen of 2,3- epoxies third) at least one of propyl trimethoxy silicane and gamma-aminopropyl-triethoxy-silane.
Under the conditions of, according to the invention it is preferred to, the wetting agent is selected from polyethylene glycol 400, methanol, ethanol, normal propyl alcohol, isopropyl
At least one of alcohol, 2- methyl isophthalic acids-propyl alcohol, n-butanol, 2- butanol and tert-butyl alcohol.
Under the conditions of, according to the invention it is preferred to, the auxiliary agent is included in dispersant, corrosion inhibiter, film forming agent, thickener at least
It is a kind of.
Under the conditions of, according to the invention it is preferred to, in order to improve dispersed homogeneous degree of each material in water, under optimum condition, institute
State and also contain dispersant in Dyclo paint, the dispersant is selected from polyoxethylene octylphenyl phenol ether -10, DBSA
At least one of calcium, phenethyl APEO, NPE.
Under the conditions of, according to the invention it is preferred to, the corrosion inhibiter is sodium molybdate.
Under the conditions of, according to the invention it is preferred to, the film forming agent is organic manganese salt or inorganic manganese salt, wherein, the Organic Manganese
Salt can be manganese acetate；The inorganic manganese salt can be at least one of manganese chloride, manganese nitrate and manganese sulfate.
Under the conditions of, according to the invention it is preferred to, described thickener is cellulose ether or derivatives thereof, such as can be carboxylic first
At least one of base cellulose ether, hydroxyethyl ether cellulose and hydroxypropylcelluloether ether.
According to the present invention, the preparation method of the chromium-free Dyclo paint of the rub resistance, comprise the following steps：
(1) preparation of metal paste：Stirred after metal dust and wetting agent are mixed, obtain metal paste；
(2) preparation of chromium-free passivation liquid：Water-soluble silicate, borate, silane coupler are well mixed, added thereto
Enter water, after stirring, obtain chromium-free passivation liquid；
(3) metal paste and chromium-free passivation liquid are added into container and are well mixed, add auxiliary agent, at room temperature quickly
After stirring, the chromium-free Dyclo paint of rub resistance is obtained.
The present invention also provides a kind of railway bolt, and the railway bolt is by bolt and the Da Ke for being coated on bolt surface
Sieve coating, the Dacromet/steel are made up of the chromium-free Dyclo paint of above-mentioned rub resistance.
According to the present invention, the preparation method of the railway bolt, comprise the following steps：
(1) bolt is pre-processed；
(2) chromium-free Dyclo paint of above-mentioned rub resistance is coated in bolt surface, after placing 10~15min, by bolt
10~15min of preliminary drying at a temperature of 120~150 DEG C, then the bolt after preliminary drying is sintered at a high temperature of 310~420 DEG C
20~40min, Dacromet/steel is formed in bolt surface, obtains railway bolt.
Under the conditions of, according to the invention it is preferred to, the thickness of the Dacromet/steel is 5~20 microns.
According to the present invention, the present invention does not have special requirement to the species of bolt, can be anchor bolt class, screw spike
Bolt class, high-strength steel construction hex bolts, track switch bolt, nut, pad, cup square neck spiral shell are cut in class, segment bolt, high-strength torsion
One kind in bolt, hex bolts and T-bolt etc..
According to the present invention, the present invention does not have special requirement to the pretreating process of bolt, can be prior art, such as
The pretreating process of the bolt is：Shot Blasting, remove the oxide layer on surface.
The present invention will be described in detail by way of examples below.
In following examples, the pretreating process of bolt is：The pretreating process of the bolt is：Shot Blasting, remove
The oxide layer on surface.
Embodiment 1
(1) preparation of the chromium-free Dyclo paint of rub resistance
A, the preparation of metal paste：0.3 μm of 83.3 parts by weight thickness, a diameter of 15 μm of zinc powder, 16.7 parts by weight are thick
Stirred after 0.3 μm of degree, a diameter of 15 μm of aluminium powder and the mixing of 20 parts by weight of ethanol, obtain metal paste；
B, the preparation of chromium-free passivation liquid：By 10 parts by weight sodium metasilicate, 6 parts by weight sodium tetraborates, 2 parts by weight γ-methyl-prop
Alkene acryloxypropylethoxysilane trimethoxy silane is well mixed, and adds 150 parts by weight water thereto, after stirring, it is blunt to obtain Chrome-free
Change liquid；
C, metal paste and chromium-free passivation liquid are added into container and are well mixed, add 1 parts by weight polyoxyethylene nonyl phenyl
Vinethene, 1 parts by weight sodium molybdate, 1.5 parts by weight hydroxypropylcelluloether ethers, 1.5 parts by weight manganese chlorides, at room temperature quick stirring
After uniformly, the chromium-free Dyclo paint of rub resistance is obtained.
(2) preparation of railway bolt
A, Shot Blasting is carried out to bolt, removes the oxide layer on surface；
B, the chromium-free Dyclo paint of above-mentioned rub resistance is coated in bolt surface, after placing 10min, by bolt 135
Preliminary drying 15min at a temperature of DEG C, the bolt after preliminary drying is then sintered into 30min at a high temperature of 360 DEG C, formed in bolt surface
Dacromet/steel, obtain railway bolt.
Embodiment 2
(1) preparation of the chromium-free Dyclo paint of rub resistance
A, the preparation of metal paste：By 0.3 μm of 81 parts by weight thickness, a diameter of 10 μm of zinc powder, 19 parts by weight thickness 0.3
μm, stirred after a diameter of 10 μm of aluminium powder and the mixing of 15 parts by weight polyethylene glycol 400s, obtain metal paste；
B, the preparation of chromium-free passivation liquid：By 8 parts by weight sodium metasilicate, 4 parts by weight sodium tetraborates, 1 parts by weight γ-metering system
Acryloxypropylethoxysilane trimethoxy silane is well mixed, and is added 180 parts by weight water thereto, after stirring, is obtained chromium-free deactivation
Liquid；
C, metal paste and chromium-free passivation liquid are added into container and are well mixed, added 0.5 parts by weight nonyl phenol and gather
Oxygen vinethene, 1 parts by weight sodium molybdate, 1 parts by weight hydroxypropylcelluloether ether, 0.5 parts by weight manganese chloride, at room temperature quick stirring
After uniformly, the chromium-free Dyclo paint of rub resistance is obtained.
(2) preparation of railway bolt
A, Shot Blasting is carried out to bolt, removes the oxide layer on surface；
B, the chromium-free Dyclo paint of above-mentioned rub resistance is coated in bolt surface, after placing 10min, by bolt 125
Preliminary drying 10min at a temperature of DEG C, the bolt after preliminary drying is then sintered into 25min at a high temperature of 330 DEG C, formed in bolt surface
Dacromet/steel, obtain railway bolt.
Embodiment 3
(1) preparation of the chromium-free Dyclo paint of rub resistance
A, the preparation of metal paste：By 0.3 μm of 84 parts by weight thickness, a diameter of 15 μm of zinc powder, 16 parts by weight thickness 0.3
μm, stirred after a diameter of 15 μm of aluminium powder and the mixing of 25 parts by weight of ethanol, obtain metal paste；
B, the preparation of chromium-free passivation liquid：By 12 parts by weight sodium metasilicate, 8 parts by weight sodium tetraborates, 3 parts by weight γ-methyl-prop
Alkene acryloxypropylethoxysilane trimethoxy silane is well mixed, and adds 120 parts by weight water thereto, after stirring, it is blunt to obtain Chrome-free
Change liquid；
C, metal paste and chromium-free passivation liquid are added into container and are well mixed, add 2 parts by weight detergent alkylates
Sulfoacid calcium, 1 parts by weight sodium molybdate, 2 parts by weight hydroxypropylcelluloether ethers, 1 parts by weight acetic acid manganese, quickly stir at room temperature
Afterwards, the chromium-free Dyclo paint of rub resistance is obtained.
(2) preparation of railway bolt
A, Shot Blasting is carried out to bolt, removes the oxide layer on surface；
B, the chromium-free Dyclo paint of above-mentioned rub resistance is coated in bolt surface, after placing 10~15min, bolt existed
Preliminary drying 15min at a temperature of 125 DEG C, the bolt after preliminary drying is then sintered into 20min at a high temperature of 380 DEG C, in bolt surface
Dacromet/steel is formed, obtains railway bolt.
Embodiment 4
(1) preparation of the chromium-free Dyclo paint of rub resistance
A, the preparation of metal paste：By 0.4 μm of 75 parts by weight thickness, a diameter of 5 μm of zinc powder, the μ of 25 parts by weight thickness 0.4
Stirred after m, a diameter of 5 μm of aluminium powder and the mixing of 10 parts by weight polyethylene glycol 400s, obtain metal paste；
B, the preparation of chromium-free passivation liquid：By 6 parts by weight potassium silicates, 3 parts by weight kodalks, 1 parts by weight γ-metering system
Acryloxypropylethoxysilane trimethoxy silane is well mixed, and is added 100 parts by weight water thereto, after stirring, is obtained chromium-free deactivation
Liquid；
C, metal paste and chromium-free passivation liquid are added into container and are well mixed, add 0.5 parts by weight of polyoxyethylene
Octyl phenol ether -10,1 parts by weight sodium molybdate, 0.5 parts by weight TYLOSE 30000,0.5 parts by weight acetic acid manganese, at room temperature
After quickly stirring, the chromium-free Dyclo paint of rub resistance is obtained.
(2) preparation of railway bolt
A, Shot Blasting is carried out to bolt, removes the oxide layer on surface；
B, the chromium-free Dyclo paint of above-mentioned rub resistance is coated in bolt surface, after placing 15min, by bolt 120
Preliminary drying 15min at a temperature of DEG C, the bolt after preliminary drying is then sintered into 40min at a high temperature of 310 DEG C, formed in bolt surface
Dacromet/steel, obtain railway bolt.
Embodiment 5
(1) preparation of the chromium-free Dyclo paint of rub resistance
A, the preparation of metal paste：By 0.2 μm of 88 parts by weight thickness, a diameter of 20 μm of zinc powder, 12 parts by weight thickness 0.2
μm, stirred after a diameter of 20 μm of aluminium powder and the mixing of 30 parts by weight of ethanol, obtain metal paste；
B, the preparation of chromium-free passivation liquid：By 18 parts by weight potassium silicates, 10 parts by weight kodalks, 3 parts by weight γ-methyl-prop
Alkene acryloxypropylethoxysilane trimethoxy silane is well mixed, and adds 200 parts by weight water thereto, after stirring, it is blunt to obtain Chrome-free
Change liquid；
C, metal paste and chromium-free passivation liquid are added into container and are well mixed, add 1 parts by weight detergent alkylate
Sulfoacid calcium, 1 parts by weight sodium molybdate, 1 parts by weight TYLOSE 30000,1 parts by weight manganese chloride, quickly stir at room temperature
Afterwards, the chromium-free Dyclo paint of rub resistance is obtained.
(2) preparation of railway bolt
A, Shot Blasting is carried out to bolt, removes the oxide layer on surface；
B, the chromium-free Dyclo paint of above-mentioned rub resistance is coated in bolt surface, after placing 15min, by bolt 150
Preliminary drying 10min at a temperature of DEG C, the bolt after preliminary drying is then sintered into 20min at a high temperature of 360 DEG C, formed in bolt surface
Dacromet/steel, obtain railway bolt.
Comparative example 1
According to the method for embodiment 1, the difference is that, silicate is not contained in chromium-free passivation liquid.
Comparative example 2
According to the method for embodiment 1, the difference is that, borate is not contained in chromium-free passivation liquid.
Comparative example 3
According to the method for embodiment 1, the difference is that, silicate and borate are not contained in chromium-free passivation liquid.
Test case：
According in GB/T6739-1966 method testing example 1~5 and comparative example 1~3 each railway bolt it is hard
Degree；
According to the attachment of each railway bolt in GB/T9286-1998 method testing example 1~5 and comparative example 1~3
Power；
According in GB/T10125-2012 method testing example 1~5 and comparative example 1~3 each railway bolt it is resistance to
Salt fog performance；
According in GB/T6461-2002 method testing example 1~5 and comparative example 1~3 each railway bolt it is resistance to
SO2Corrosive nature；
According to each railway bolt in GB/T12444.1-1990 method testing example 1~5 and comparative example 1~3
Wear rate.
Table 1：The performance table of each railway bolt in embodiment 1~5 and comparative example 1~3
The preferred embodiment of the present invention described in detail above, still, the present invention are not limited in above-mentioned embodiment
Detail, in the range of the technology design of the present invention, a variety of simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of chromium-free Dyclo paint of rub resistance, it is characterised in that the chromium-free Dyclo paint is by feedstock composition system
Into on the basis of the parts by weight of metal dust 100, the feedstock composition includes：The parts by weight of metal dust 100, water-soluble silicic acid
The parts by weight of salt 6~18, the parts by weight of borate 3~10, the parts by weight of silane coupler 1~3, the parts by weight of wetting agent 10~30, auxiliary agent 3
~6 parts by weight, the parts by weight of water 100~200.
2. chromium-free Dyclo paint according to claim 1, wherein, on the basis of the parts by weight of metal dust 100, the original
Feed composition includes：The parts by weight of metal dust 100, the parts by weight of water-soluble silicate 8~12, the parts by weight of borate 4~8, silane
The parts by weight of coupling agent 1~3, the parts by weight of wetting agent 15~25, the parts by weight of auxiliary agent 3~6, the parts by weight of water 120~180.
3. chromium-free Dyclo paint according to claim 2, wherein, the weight ratio of the water-soluble silicate and borate
For (1.5~2)：1.
4. chromium-free Dyclo paint according to claim 3, wherein, the water-soluble silicate be selected from sodium metasilicate and/or
Potassium silicate；And/or
The borate is selected from least one of sodium tetraborate, dipotassium tetraborate, kodalk and potassium metaborate.
5. chromium-free Dyclo paint according to claim 1, wherein, the metal dust includes zinc flake and flaky aluminum
Powder, and the mass ratio of the zinc flake and flake aluminum is (4.2~5.3)：1；And/or
0.2~0.4 μm of the thickness of the zinc powder, a diameter of 5~20 μm；And/or
0.2~0.4 μm of the thickness of the aluminium powder, a diameter of 5~20 μm.
6. chromium-free Dyclo paint according to claim 1, wherein, the silane coupler is selected from γ-methacryl
Epoxide propyl trimethoxy silicane, γ-(oxygen of 2,3- epoxies third) propyl trimethoxy silicane and gamma-aminopropyl-triethoxy-silane
At least one of.
7. chromium-free Dyclo paint according to claim 1, wherein, the wetting agent be selected from polyethylene glycol 400, methanol,
At least one of ethanol, normal propyl alcohol, isopropanol, 2- methyl isophthalic acids-propyl alcohol, n-butanol, 2- butanol and tert-butyl alcohol.
8. chromium-free Dyclo paint as claimed in any of claims 1 to 7, wherein, the auxiliary agent include dispersant,
At least one of corrosion inhibiter, film forming agent, thickener.
9. chromium-free Dyclo paint according to claim 8, wherein, the dispersant is selected from polyoxethylene octylphenyl phenol
At least one of ether -10, calcium dodecyl benzene sulfonate, phenethyl APEO and NPE；And/or
The corrosion inhibiter is sodium molybdate；And/or
The film forming agent is organic manganese salt or inorganic manganese salt；And/or
The thickener is cellulose ether or derivatives thereof.
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| CN201711018357.2A CN107841175A (en) | 2017-10-27 | 2017-10-27 | A kind of chromium-free Dyclo paint of rub resistance |
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| CN201711018357.2A CN107841175A (en) | 2017-10-27 | 2017-10-27 | A kind of chromium-free Dyclo paint of rub resistance |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109111775A (en) * | 2018-07-27 | 2019-01-01 | 广东工业大学 | A kind of Chrome-free Zn-Al coating and a kind of Chrome-free Zn-Al coating |
| CN109266122A (en) * | 2018-07-02 | 2019-01-25 | 安徽美佳新材料股份有限公司 | Nano modified aqueous paint and preparation method thereof |
| TWI683967B (en) * | 2018-12-28 | 2020-02-01 | 態金材料科技股份有限公司 | Method and product for manufacturing anti-corrosion self-tapping screw |
| CN111019413A (en) * | 2019-12-30 | 2020-04-17 | 安徽瑞合铁路紧固件科技有限公司 | MoSi2Dacromet coating reinforced by SiC microparticles and coating method thereof |
| CN111363459A (en) * | 2020-04-15 | 2020-07-03 | 上海达克罗涂复工业有限公司 | Zinc-aluminum coating and preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI683967B (en) * | 2018-12-28 | 2020-02-01 | 態金材料科技股份有限公司 | Method and product for manufacturing anti-corrosion self-tapping screw |
| CN111379777A (en) * | 2018-12-28 | 2020-07-07 | 态金材料科技股份有限公司 | Method for manufacturing rust-proof self-tapping screw and product thereof |
| CN111379777B (en) * | 2018-12-28 | 2023-03-14 | 态金材料科技股份有限公司 | Method for manufacturing corrosion-resistant self-tapping screw and product thereof |
| CN111019413A (en) * | 2019-12-30 | 2020-04-17 | 安徽瑞合铁路紧固件科技有限公司 | MoSi2Dacromet coating reinforced by SiC microparticles and coating method thereof |
| CN111363459A (en) * | 2020-04-15 | 2020-07-03 | 上海达克罗涂复工业有限公司 | Zinc-aluminum coating and preparation method and application thereof |
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