CN106189678B - A kind of steel plate and its manufacture method with low surface treatment epoxy paint coatings - Google Patents
A kind of steel plate and its manufacture method with low surface treatment epoxy paint coatings Download PDFInfo
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- CN106189678B CN106189678B CN201510226450.7A CN201510226450A CN106189678B CN 106189678 B CN106189678 B CN 106189678B CN 201510226450 A CN201510226450 A CN 201510226450A CN 106189678 B CN106189678 B CN 106189678B
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Abstract
The invention discloses a kind of steel plate and its manufacture method with low surface treatment epoxy paint coatings, belong to anticorrosion steel plate manufacturing technology field.The surface of steel plate has the low surface treatment epoxy paint coatings that thickness is 0.30mm~0.40mm；The low surface treatment epoxy paint coatings are formed by the low surface treatment epoxy paint solidification including following weight percent composition：Component A：Bisphenol A type epoxy resin, cycloaliphatic epoxy resin, phenol-modified liquid petroleum resin, dimethylbenzene, n-butanol, absolute ethyl alcohol, composite zinc phosphate, ultra micro level zinc oxide, nano silicon dioxide, nano-titanium dioxide, graphene, sericite in powder, fluorine-carbon modified polyacrylate flow agent, copolymer dispersant containing acidic-group, hydroxyphenyl benzotriazole UV absorbers, hindered amine light stabilizer；B component：Modified alicyclic ring amine hardener, cashew nut oil modified polyamide curing agent, dimethylbenzene；The part by weight of component A and B component is 1:0.13~0.15.The steel plate resistance to UV aging can be good.
Description
Technical field
It is more particularly to a kind of that there is low surface treatment epoxy coating to apply the present invention relates to anticorrosion steel plate manufacturing technology field
The steel plate and its manufacture method of layer.
Background technology
In anti-corrosion steel board manufacturing process, in order to enable the erosion shield of surface of steel plate and substrate of steel plate firm
With reference to, it is necessary to surface of steel plate progress thoroughly derusting by sandblasting pre-treatment, usually to reach Sa2.5 grades of (GB/T 8923《Application
Preceding steel surface rusting grade and derusting grade》).But for some surface corrosions serious steel plates, such as petrochemical system
Steel plate used in waste can, pipeline, ship and oil platform etc., live derusting by sandblasting is limited be subject to condition, plus construction personnel
Technical quality and other various reasons cause the technical requirements that derusting can not meet Sa2.5 grades, cause anticorrosive quality without
Method ensures.In addition, the steel plate used in coastal area is often in high humidity environment, surface of steel plate is set to be in dampness,
Also result in erosion shield and combined with surface of steel plate insecure, influence anticorrosive quality.
Therefore, it is a kind of with low surface treatment epoxy paint coatings in order to meet the requirement of above-mentioned Special use environment
Steel plate comes into being.The erosion shield of this kind of surface of steel plate coating is low surface treatment epoxy coating.Low prepared surface ring
Oxygen coating is relatively low to steel structure surface processing requirement grade before application, can carry out application with rust, moist surface of steel plate.
In the implementation of the present invention, the inventors discovered that having at least the following problems in the prior art：Existing tool
The steel plate resistance to UV aging for having low surface treatment epoxy paint coatings can be poor, outdoors during long-time service, easily goes out
Phenomena such as existing dusting, discoloration.
The content of the invention
In order to solve the above technical problems, a kind of resistance to UV aging of present invention offer can good, long-time service outdoors
During dusting, the steel plate and its manufacture method with low surface treatment epoxy paint coatings of metachromatism do not occur.
Specifically, including following technical solution：
First aspect present invention provides a kind of steel plate with low surface treatment epoxy paint coatings, the surface of steel plate tool
There are the low surface treatment epoxy paint coatings that thickness is 0.30mm~0.40mm；The low surface treatment epoxy paint coatings are by wrapping
The low surface treatment epoxy paint solidification for including following parts by weight of component is formed：
Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, 0.5~0.6 part of ring
The cycloaliphatic epoxy resin of 0.52~0.53mol/100g of oxygen value, 0.1~0.2 part of phenol-modified liquid petroleum resin, 0.2~
0.3 part of dimethylbenzene, 0.1~0.2 part of n-butanol, 0.15~0.3 part of absolute ethyl alcohol, 0.3~0.4 part of ZP409 type composite zinc phosphate,
0.4~0.5 part of ultra micro level zinc oxide, 0.05~0.08 part of nano silicon dioxide, 0.15~0.2 part of nano-titanium dioxide, 0.01
~0.02 part of graphene, 0.5~0.7 part of sericite in powder, the fluorine-carbon modified polyacrylate of 0.02~0.03 part of EFKA-3777 type
Levelling agent, 0.015~0.02 part of DISPERBYK-110 types copolymer dispersant containing acidic-group, 0.015~0.02 part of hydroxyphenyl
Benzotriazole UV absorbers, 0.02~0.03 part of hindered amine light stabilizer；
B component：1 part of JH-0132 type is modified alicyclic ring amine hardener, and 0.9~1.1 part of NX-2028MA type is cashew nut oil modified
Polyamide curing agent, 0.2~0.4 part of dimethylbenzene；
The part by weight of the component A and B component is 1:0.13~0.15.
Preferably, the low surface treatment epoxy paint coatings are by including the low surface treatment epoxy of following parts by weight of component
Paint solidification is formed：
Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, 0.55 part of epoxide number
The cycloaliphatic epoxy resin of 0.52~0.53mol/100g, 0.15 part of phenol-modified liquid petroleum resin, 0.25 part of dimethylbenzene,
0.15 part of n-butanol, 0.2 part of absolute ethyl alcohol, 0.38 part of ZP409 type composite zinc phosphate, 0.42 part of ultra micro level zinc oxide, 0.075 part
Nano silicon dioxide, 0.16 part of nano-titanium dioxide, 0.018 part of graphene, 0.6 part of sericite in powder, 0.025 part of EFKA-3777
The fluorine-carbon modified polyacrylate flow agent of type, 0.018 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,
0.018 part of hydroxyphenyl benzotriazole UV absorbers, 0.025 part of hindered amine light stabilizer；
B component：1 part of JH-0132 type is modified alicyclic ring amine hardener, and 1 part of cashew nut oil modified polyamide of NX-2028MA types is consolidated
Agent, 0.3 part of dimethylbenzene；
The part by weight of the component A and B component is 1:0.14.
Preferably, the thickness of the low surface treatment epoxy paint coatings is 0.34mm.
Preferably, the length of the steel plate is 1000mm~16000mm, and width is 1000mm~4000mm, and thickness is
1.5mm~30mm.
Preferably, the length of the steel plate is 14000mm, width 2000mm, thickness 15mm.
Second aspect of the present invention provides a kind of steel with low surface treatment epoxy paint coatings of first aspect present invention
The manufacture method of plate, the manufacture method are：Processing of rust removing is carried out to surface of steel plate, reaches the surface of steel plate derusting grade
More than St2 grades；It is 0.10mm~0.15mm's and 0.20mm~0.25mm in the surface of steel plate by derusting successively applied thickness
Low surface treatment epoxy paint coatings；Wherein, the low surface treatment epoxy coating includes the component of following parts by weight：
Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, 0.5~0.6 part of ring
The cycloaliphatic epoxy resin of 0.52~0.53mol/100g of oxygen value, 0.1~0.2 part of phenol-modified liquid petroleum resin, 0.2~
0.3 part of dimethylbenzene, 0.1~0.2 part of n-butanol, 0.15~0.3 part of absolute ethyl alcohol, 0.3~0.4 part of ZP409 type composite zinc phosphate,
0.4~0.5 part of ultra micro level zinc oxide, 0.05~0.08 part of nano silicon dioxide, 0.15~0.2 part of nano-titanium dioxide, 0.01
~0.02 part of graphene, 0.5~0.7 part of sericite in powder, the fluorine-carbon modified polyacrylate of 0.02~0.03 part of EFKA-3777 type
Levelling agent, 0.015~0.02 part of DISPERBYK-110 types copolymer dispersant containing acidic-group, 0.015~0.02 part of hydroxyphenyl
Benzotriazole UV absorbers, 0.02~0.03 part of hindered amine light stabilizer；
B component：
1 part of JH-0132 type is modified alicyclic ring amine hardener, 0.9~1.1 part of cashew nut oil modified polyamide of NX-2028MA types
Curing agent, 0.2~0.4 part of dimethylbenzene；The part by weight of the component A and B component is 1:0.13~0.15.
Preferably, the low surface treatment epoxy coating includes the component of following parts by weight：
Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, 0.55 part of epoxide number
The cycloaliphatic epoxy resin of 0.52~0.53mol/100g, 0.15 part of phenol-modified liquid petroleum resin, 0.25 part of dimethylbenzene,
0.15 part of n-butanol, 0.2 part of absolute ethyl alcohol, 0.38 part of ZP409 type composite zinc phosphate, 0.42 part of ultra micro level zinc oxide, 0.075 part
Nano silicon dioxide, 0.16 part of nano-titanium dioxide, 0.018 part of graphene, 0.6 part of sericite in powder, 0.025 part of EFKA-3777
The fluorine-carbon modified polyacrylate flow agent of type, 0.018 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,
0.018 part of hydroxyphenyl benzotriazole UV absorbers, 0.025 part of hindered amine light stabilizer；
B component：
1 part of JH-0132 types modification alicyclic ring amine hardener, 1 part of cashew nut oil modified polyamide curing agent of NX-2028MA types,
0.3 part of dimethylbenzene；
The part by weight of the component A and B component is 1:0.14.
Preferably, the coating thickness of the low surface treatment epoxy paint coatings is respectively 0.12mm and 0.22mm.
The steel plate with low surface treatment epoxy coating of the present invention can be used for extra large work steel structure, bridge, pipeline and stone
The steel structure such as oily Steel Structures in Petrochemical Industry.
The beneficial effect of technical solution provided in an embodiment of the present invention：
(1), the embodiment of the present invention optimizes the composition of low surface treatment epoxy coating, with the addition of aliphatic ring
The components such as the nano materials such as oxygen tree fat, nano silicon dioxide, nano-titanium dioxide, UV absorbers and light stabilizer, and
And use alicyclic ring amine curing agent, cause the steel plate with the low surface treatment epoxy paint coatings with good anticorrosive property
On the basis of energy (2000h, unidirectionally expands erosion ＜ 2mm at cut, and band rust band wet coating dress coating salt spray resistance reach 3000h), also have well
Resistance to UV aging energy, by the degradation of 800h, coating without dusting, without discoloration.Efficiently solve with low surface
The problem of steel plate weatherability of processing epoxy coating coating is poor, above-mentioned steel plate can be built directly as outdoor steel construction and use.
(2) since the low surface treatment epoxy coating in the embodiment of the present invention inherently has good ultraviolet resistance aging
Performance, therefore, the surface of steel plate of the embodiment of the present invention only coat one layer of low surface treatment epoxy paint coatings, it is not necessary to other guarantors
Coating is protected, simplifies the manufacturing process of steel plate.
(3), since low surface treatment epoxy coating has good substrate adhesion energy and moisturecuring performance, because
This, the manufacture method of the steel plate with low surface treatment epoxy paint coatings of the embodiment of the present invention is simple, and surface of steel plate is not required to
To pass through complicated derusting and drying process, reach manual grinding and derust more than St2 grades, avoid derusting by sandblasting to environment
Caused by pollution while reduce manufacture cost.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of the steel plate provided in an embodiment of the present invention with low surface treatment epoxy paint coatings.
Mark in figure represents respectively
1st, steel plate；2nd, low surface treatment epoxy paint coatings；21st, first layer low surface treatment epoxy paint coatings；22nd,
Two layers of low surface treatment epoxy paint coatings.
Embodiment
To make technical scheme and advantage clearer, embodiment of the present invention is made below in conjunction with the accompanying drawings into one
It is described in detail on step ground.
First aspect present invention provides a kind of steel plate with low surface treatment epoxy paint coatings, as shown in Figure 1, described
1 surface of steel plate has the low surface treatment epoxy paint coatings 2 that thickness is 0.30mm~0.40mm；The low surface treatment epoxy
Paint coatings 2 are formed by the low surface treatment epoxy paint solidification including following parts by weight of component：
Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, 0.5~0.6 part of ring
The cycloaliphatic epoxy resin of 0.52~0.53mol/100g of oxygen value, 0.1~0.2 part of phenol-modified liquid petroleum resin, 0.2~
0.3 part of dimethylbenzene, 0.1~0.2 part of n-butanol, 0.15~0.3 part of absolute ethyl alcohol, 0.3~0.4 part of ZP409 type composite zinc phosphate,
0.4~0.5 part of ultra micro level zinc oxide, 0.05~0.08 part of nano silicon dioxide, 0.15~0.2 part of nano-titanium dioxide, 0.01
~0.02 part of graphene, 0.5~0.7 part of sericite in powder, the fluorine-carbon modified polyacrylate of 0.02~0.03 part of EFKA-3777 type
Levelling agent, 0.015~0.02 part of DISPERBYK-110 types copolymer dispersant containing acidic-group, 0.015~0.02 part of hydroxyphenyl
Benzotriazole UV absorbers, 0.02~0.03 part of hindered amine light stabilizer；
B component：1 part of JH-0132 type is modified alicyclic ring amine hardener, and 0.9~1.1 part of NX-2028MA type is cashew nut oil modified
Polyamide curing agent, 0.2~0.4 part of dimethylbenzene；
The part by weight of the component A and B component is 1:0.13~0.15.
The embodiment of the present invention optimizes the composition of low surface treatment epoxy coating so that has at the low surface
Managing the steel plate of epoxy coating coating, (2000h, unidirectionally expands erosion ＜ 2mm, band rust at cut on the basis of with good Corrosion Protection
Band wet coating dress coating salt spray resistance reaches 3000h), also with good resistance to UV aging energy, by the degradation of 800h, apply
Layer without dusting, without discoloration.Solve the problems, such as that the steel plate weatherability with low surface treatment epoxy paint coatings is poor, make this
The surface of steel plate of inventive embodiments only needs one layer of above-mentioned low surface treatment epoxy paint coatings to meet requirement, it is not necessary to
Other protective coatings are coated with, reduce cost.The main function of each component is as follows in the low surface treatment epoxy coating：
(1) cycloaliphatic epoxy resin, alicyclic epoxy be with the addition of in the low surface treatment epoxy coating of the embodiment of the present invention
Resin is without phenyl ring but contains saturation hexatomic ring, due to the presence of saturation hexatomic ring in such resinous molecular structure, imparts
Coating has the irradiation of excellent UV resistant and wet and heat ageing resistant, good heat endurance.And it with the addition of hydroxyphenyl benzo three
Nitrogen azole UV absorbers and hindered amine light stabilizer, fitting through for both auxiliary agents absorb harmful ultraviolet light and catch
Catching harmful free radical makes coating improve the performances such as anti-powdering, anti-loss of gloss, coating is not occurred after the degradation of 800h
Dusting and discoloration.
(2) in terms of curing agent, the embodiment of the present invention is modified alicyclic ring amine hardener and NX-2028MA using JH-0132 types
The curing agent of the cashew nut oil modified polyamide curing agent compounding of type.JH-0132 types, which are modified alicyclic ring amine curing agent, has photocatalytic coating film
Damp splendid, good weatherability, the characteristic such as insensitive to moisture；The existing benzene of the cashew nut oil modified polyamide curing agent of NX-2028MA types
Ring structure, while the also one C15 sides Long carbon chain containing unsaturated bond, allow coating to cure under low temperature, wet environment, because
This surface treatment to base material requires low；And the cashew nut oil modified polyamide curing agent of NX-2028MA types also has good
Pliability and yellowing resistance, solve the problems, such as the brittleness of traditional modified by cardanol amine and easy xanthochromia, have had concurrently cashew nut oil modified
The characteristics of amine and polyamide, improve its comprehensive anticorrosive performance.Being used in mixed way for above two curing agent, it is good to impart coating
Anti-yellowing property, moisturecuring performance and the requirement to coated steel low prepared surface.
(3) the low surface treatment epoxy coating of the embodiment of the present invention also added phenol-modified liquid petroleum resin.Such
Petropols have the characteristics such as anti-aging effect is good, weatherability effect is strong, compatibility is good, water-fast and chemicals-resistant is good, can
Adjust the viscosity of gained coating and improve its heat endurance.Used in coating, pliability and the bottom of film can be significantly improved
Adhesive force, gloss and the Corrosion Protection of material.
(4) in terms of rust inhibition rust resisting pigment, ZP409 types composite zinc phosphate and ultra micro level zinc oxide be with the addition of.ZP409 types
Composite zinc phosphate is using trbasic zinc phosphate as carrier, is formed with reference to other special rust resisting pigment compoundings, can substitute zinc oxide, trimerization on year-on-year basis
Aluminum phosphate, trbasic zinc phosphate etc., change aluminium triphosphate early stage rustless property deficiency and trbasic zinc phosphate later stage rustless property it is bad lack
Point.Ultra micro level zinc oxide has the characteristics that light specific gravity, particle diameter are small, specific surface area is big, adhesive force and strong covering power, can improve coating
Physicochemical property, also there are certain shielding ultraviolet rays, it is possible to increase the anti-light aging performance of coating.Meanwhile zinc oxide
With composite zinc phosphate mating reaction, the Corrosion Protection of trbasic zinc phosphate can be improved.
(5) addition of nano material imparts the good physical and chemical performance of coating.The nano silicon dioxide wherein added
Be by special close epoxy resin coupling agent treatment, manufactured epoxy resin tailored version nano silicon dioxide (VK-SP30S),
There is more preferable dispersiveness；The nano-titanium dioxide of addition is with particle size is small, micropore is more, specific surface area is big, surface hydroxyl contains
Amount is high, to ultraviolet, visible ray and infrared-reflecting power are strong the features such as.The addition of nano material improves the anti-aging of coating
Property, Corrosion Protection and physical mechanical property.
(6) graphene is a kind of Two-dimensional Carbon atomic crystal, and structure is highly stable, has excellent hot property, mechanical property
And electric property, the laminar structured of graphene can play barrier action in the coating, so as to prevent corrosivity to be situated between
The osmosis of matter in the coating, protects ground.The graphene (GP-1) added in the coating, passes through graphene and macromolecule
(polyvinylpyrrolidone, PVP) is compound, effectively inhibits the secondary stacking of graphene, and it is possessed in various polar solvents
With the good dispersion performance in macromolecule matrix material, it acts synergistically with rust inhibition rust resisting pigment trbasic zinc phosphate, oxidisability, improves
The antirust ability of coating.
(7) sericite in powder is in two-dimensional sheet crystal structure, can improve the compactness of coating, improves coating and stops ultraviolet
With the ability of moisture penetration, enable penetrating for the effective block ultraviolet line of film, improve its water resistance and weatherability, prevent tortoise
Split, postpone dusting, extend the service life of film.The preferred wet method sericite in powder of sericite in powder.
(8) in addition, the present invention low surface treatment epoxy coating in other adjuvant components, such as EFKA-3777 type fluorine carbon
Modified polyacrylate flow agent and DISPERBYK-110 types copolymer dispersant containing acidic-group also all plays different works
With.The fluorine-carbon modified acrylate levelling agent of EFKA-3777 types possesses lower surface tension, its anti-shrinkage cavity and wetting base material work(
Can be preferably.When band becomes rusty external coating, it is desirable to which coating has preferable substrate wettability energy, and such coating could fully soak rust
Layer, produces porous rusty scale good sealing process.Select a kind of preferably levelling agent to coating with suitable surface tension,
Improve levelling and ground wetting, it is necessary to improve the wetability of film and apparent property.DISPERBYK-110 types contain acidic groups
Group's copolymer dispersant is suitable for stable inorganic pigment, particularly stablizes nano-titanium dioxide, and can greatly reduce coating
Viscosity.The auxiliary agent makes pigment solution flocculate by steric hindrance, due to solving flocculated granules of pigments very little, so as to improve light
Pool, promote color intensity.
In the above-mentioned steel plate with low surface treatment epoxy paint coatings, for forming low surface treatment epoxy coating
The composition of the coating of coating is preferred：
Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, 0.55 part of epoxide number
The cycloaliphatic epoxy resin of 0.52~0.53mol/100g, 0.15 part of phenol-modified liquid petroleum resin, 0.25 part of dimethylbenzene,
0.15 part of n-butanol, 0.2 part of absolute ethyl alcohol, 0.38 part of ZP409 type composite zinc phosphate, 0.42 part of ultra micro level zinc oxide, 0.075 part
Nano silicon dioxide, 0.16 part of nano-titanium dioxide, 0.018 part of graphene, 0.6 part of sericite in powder, 0.025 part of EFKA-3777
The fluorine-carbon modified polyacrylate flow agent of type, 0.018 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,
0.018 part of hydroxyphenyl benzotriazole UV absorbers, 0.025 part of hindered amine light stabilizer；
B component：1 part of JH-0132 type is modified alicyclic ring amine hardener, and 1 part of cashew nut oil modified polyamide of NX-2028MA types is consolidated
Agent, 0.3 part of dimethylbenzene；
The part by weight of the component A and B component is 1:0.14.
In the above-mentioned steel plate with low surface treatment epoxy paint coatings, if low surface treatment epoxy paint coatings
Thickness is too small, then cannot play the role of well etch-proof；And if coating layer thickness is excessive, consolidating for coating can be unfavorable for
Change.Therefore, the preferred 0.34mm of the thickness of low surface treatment epoxy paint coatings.
In the above-mentioned steel plate with low surface treatment epoxy paint coatings, the shape and size of steel plate 1 are not stringent
Limitation, can be arbitrary geometry, can be determined according to the practical service environment of steel plate.For example, can be Fig. 1 institutes
Length 1000mm~1600mm, width 1000mm~4000mm, the cuboid of thickness 1.5mm~30mm shown, is preferably length
14000mm, width 2000mm, the cuboid of thickness 15mm.
Second aspect of the present invention provides a kind of steel with low surface treatment epoxy paint coatings of first aspect present invention
The manufacture method of plate, the manufacture method are：Processing of rust removing is carried out to surface of steel plate, reaches the surface of steel plate derusting grade
More than St2 grades；In the first layer low prepared surface that the surface of steel plate by derusting successively applied thickness is 0.10mm~0.15mm
Epoxy coating coating 21 and the second layer low surface treatment epoxy paint coatings 22 that thickness is 0.20mm~0.25mm；Wherein, institute
First layer low surface treatment epoxy paint coatings 21 and second layer low surface treatment epoxy paint coatings 22 are stated by the present invention the
Low surface treatment epoxy paint solidification in one side is formed.
Since the low surface treatment epoxy coating in first aspect present invention has good substrate adhesion energy and tide
Moisture curable energy, therefore, the manufacture method of the steel plate with low surface treatment epoxy paint coatings of the embodiment of the present invention are simple,
Surface of steel plate needs not move through derusting and the drying process of complexity, reaches manual grinding and derusts more than St2 grades, avoids spraying
Sand derusts and pollution on the environment while reduces manufacture cost.
In above-mentioned manufacture method, the thickness of the first layer low surface treatment epoxy paint coatings 21 coated in surface of steel plate
Spend preferred 0.12mm, the preferred 0.22mm of thickness of second layer low surface treatment epoxy paint coatings 22.
In following embodiments, it is prepared according to manufacture method provided by the invention with low surface treatment paint coating
Steel plate.And the properties of gained steel plate are tested.
In following embodiments, except modified alicyclic ring amine hardener, cashew nut oil modified poly- in low surface treatment epoxy coating
Amide hardener, fluorine-carbon modified polyacrylate flow agent, copolymer dispersant containing acidic-group and composite zinc phosphate have
Specific model limitation is outer, and the producer of other components, model do not have stringent limitation, and those skilled in the art can be according to reality
Situation voluntarily selects.
The producer of the key component of following embodiments low surface treatment epoxy coating, model：
The bisphenol A type epoxy resin of epoxide number 0.20mol/100g, solid content 75%, NPSN-301X75, ring figured woven silk material chemical industry
(Guangdong) Co., Ltd；
The cycloaliphatic epoxy resin of 0.52~0.53mol/100g of epoxide number, JEw-0113, the limited duty of the good hair chemistry in Changshu
Ren companies；
Phenol-modified liquid petroleum resin, LA300, Jia Dida Chemical Co., Ltd.s of Shenzhen；
ZP409 type composite zinc phosphates, Nuo Cheng Chemical Co., Ltd.s；
Nano silicon dioxide, VK-SP30S, Hangzhou Wanjing New Material Co., Ltd.；
Nano-titanium dioxide, VK-T06S, Hangzhou Wanjing New Material Co., Ltd.；
Graphene, GP-1, Ningbo Mo Xi Science and Technology Ltd.s；
Ultra micro level zinc oxide, Nuo Cheng Chemical Co., Ltd.s；
The fluorine-carbon modified polyacrylate flow agent of EFKA-3777 types, Efka company；
DISPERBYK-110 types contain acid group copolymer dispersant, German Bi Ke companies；
Hydroxyphenyl benzotriazole UV absorbers, TINUVIN 99-2, BASF；
Hindered amine light stabilizer, TINUVIN 292, BASF；
JH-0132 types are modified alicyclic ring amine hardener, Changhu Jiafa chemistry Co., Ltd.；
The cashew nut oil modified polyamide curing agent of NX-2028MA types, Ka Delai chemical industry Zhuhai Co., Ltd.
Low surface treatment epoxy coating used is prepared in accordance with the following methods in following embodiments：
Step (1), nano silicon dioxide and nano-titanium dioxide are added in absolute ethyl alcohol, in stirring for 3000r/min
Mix and disperse 1h under speed, then ultrasonic wave disperses 30min, obtains the dispersion liquid of nano silicon dioxide and nano-titanium dioxide；
Step (2), graphene is added in dimethylbenzene, and 1h is disperseed under the mixing speed of 3000r/min, then ultrasonic
Wavelength-division dissipates 30min, obtains graphene dispersing solution；
Step (3), by epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, epoxide number 0.52~
The fluorine-carbon modified polypropylene of the cycloaliphatic epoxy resin of 0.53mol/100g, phenol-modified liquid petroleum resin, EFKA-3777 types
Acid esters levelling agent, DISPERBYK-110 types copolymer dispersant containing acidic-group, hydroxyphenyl benzotriazole UV Absorption
Agent and hindered amine light stabilizer are added in n-butanol, are stirred under room temperature under the speed of 3000r/min, are being stirred
In the case of add ZP409 types composite zinc phosphates, ultra micro level zinc oxide, wet method sericite in powder and the nano silicon dioxide and
Nano titanium oxide dispersion and the graphene dispersing solution, continue to stir 30~40min under the speed of 3000r/min, make
Each component is uniformly dispersed；
Step (4), by mixture obtained by step (3) with grinder grinding 0.5~1 it is small when, obtain the low prepared surface
The component A of epoxy coating；
Step (5), is modified alicyclic ring amine hardener by JH-0132 types and the cashew nut oil modified polyamide of NX-2028MA types is consolidated
Agent is added in dimethylbenzene, is dispersed with stirring the B component for uniformly obtaining the low surface treatment epoxy coating；
Step (6), the component A and B component are uniformly mixed to obtain the low surface treatment epoxy coating.
Embodiment 1
The present embodiment provides a kind of steel plate and its manufacture method with low surface treatment epoxy paint coatings.
As shown in Figure 1, the length of the steel plate 1 of the present embodiment is 14000mm, and width 2000mm, thickness 15mm, steel plate
1 surface have thickness be 0.34mm low surface treatment epoxy paint coatings 2, the low surface treatment epoxy paint coatings by including
The low surface treatment epoxy paint solidification of following parts by weight of component is formed：
Component A：
1 part of NPSN-301X75 type bisphenol A type epoxy resin,
0.55 part of JEw-0113 type cycloaliphatic epoxy resin,
0.15 part of phenol-modified liquid petroleum resin of LA300 types,
0.25 part of water purification dimethylbenzene, 0.15 part of n-butanol, 0.2 part of absolute ethyl alcohol,
0.38 part of ZP409 type composite zinc phosphate, 0.42 part of ultra micro level zinc oxide,
0.075 part of VK-SP30S type nano silicon dioxide, 0.16 part of VK-T06S type nano-titanium dioxide,
0.018 part of GP-1 type graphene, 0.6 part of wet method sericite in powder,
The fluorine-carbon modified polyacrylate flow agent of 0.025 part of EFKA-3777 type,
0.018 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,
0.018 part of TINUVIN 99-2 type hydroxyphenyl benzotriazole UV absorbers,
292 type hindered amine light stabilizers of TINUVIN；
B component：
1 part of JH-0132 type is modified alicyclic ring amine hardener,
1 part of cashew nut oil modified polyamide curing agent of NX-2028MA types,
0.3 part of water purification dimethylbenzene.
The part by weight of above component A and B component is 1:0.14.
The manufacture method of the steel plate with low surface treatment epoxy paint coatings of the present embodiment is as follows：
Manual grinding derusting is carried out to 1 surface of steel plate first, 1 surface derusting grade of steel plate is reached St2 grades, then by steel plate
Taken out after soaking 1h with tap water, obtain band rust with wet steel plate 1.Then above-mentioned low surface treatment epoxy paint coatings are coated in
Above-mentioned band becomes rusty with wet 1 surface of steel plate, forms the first layer low surface treatment epoxy paint coatings 21 that thickness is 0.12mm, then will be upper
Low surface treatment epoxy paint coatings are stated coated on first layer low surface treatment epoxy paint coatings 21, forming thickness is
The second layer low surface treatment epoxy paint coatings 22 of 0.22mm, above-mentioned first layer low surface treatment epoxy paint coatings 21 and
Two layers of low surface treatment epoxy paint coatings 22 form the low surface treatment epoxy paint coatings 2 of thickness 0.34mm.
The properties obtained by the present embodiment with the steel plate of low surface treatment epoxy paint coatings are shown in Table 1.
The gained of 1 embodiment of table 1 has the properties of the steel plate of low surface treatment epoxy paint coatings
Embodiment 2
The present embodiment provides a kind of steel plate and its manufacture method with low surface treatment epoxy paint coatings.
As shown in Figure 1, the length of the steel plate 1 of the present embodiment is 15000mm, and width 3000mm, thickness 25mm, steel plate
1 surface have thickness be 0.35mm low surface treatment epoxy paint coatings 2, the low surface treatment epoxy paint coatings by including
The low surface treatment epoxy paint solidification of following parts by weight of component is formed：
Component A：
1 part of NPSN-301X75 type bisphenol A type epoxy resin,
0.5 part of JEw-0113 type cycloaliphatic epoxy resin,
0.1 part of phenol-modified liquid petroleum resin of LA300 types,
0.2 part of water purification dimethylbenzene, 0.1 part of n-butanol, 0.3 part of absolute ethyl alcohol,
0.4 part of ZP409 type composite zinc phosphate, 0.4 part of ultra micro level zinc oxide,
0.05 part of VK-SP30S type nano silicon dioxide, 0.2 part of VK-T06S type nano-titanium dioxide,
0.01 part of GP-1 type graphene, 0.5 part of wet method sericite in powder,
The fluorine-carbon modified polyacrylate flow agent of 0.03 part of EFKA-3777 type,
0.02 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,
0.015 part of TINUVIN 99-2 type hydroxyphenyl benzotriazole UV absorbers,
0.02 part of 292 type hindered amine light stabilizer of TINUVIN；
B component：
1 part of JH-0132 type is modified alicyclic ring amine hardener,
1.1 parts of cashew nut oil modified polyamide curing agents of NX-2028MA types
0.4 part of water purification dimethylbenzene.
The part by weight of above component A and B component is 1:0.15.
The manufacture method of the steel plate with low surface treatment epoxy paint coatings of the present embodiment is as follows：
Manual grinding derusting is carried out to 1 surface of steel plate first, 1 surface derusting grade of steel plate is reached St2 grades, then by steel plate
Taken out after soaking 1h with tap water, obtain band rust with wet steel plate 1.Then above-mentioned low surface treatment epoxy paint coatings are coated in
Above-mentioned band becomes rusty with wet 1 surface of steel plate, forms the first layer low surface treatment epoxy paint coatings 21 that thickness is 0.15mm, then will be upper
Low surface treatment epoxy paint coatings are stated coated on first layer low surface treatment epoxy paint coatings 21, forming thickness is
The second layer low surface treatment epoxy paint coatings 22 of 0.20mm, above-mentioned first layer low surface treatment epoxy paint coatings 21 and
Two layers of low surface treatment epoxy paint coatings 22 form the low surface treatment epoxy paint coatings 2 of thickness 0.35mm.
The properties of low surface treatment epoxy coating and its coating obtained by the present embodiment are shown in Table 2.
The gained of 2 embodiment of table 2 has the properties of the steel plate of low surface treatment epoxy paint coatings
There are low surface treatment epoxy paint coatings from what the data in Tables 1 and 2 can be seen that the embodiment of the present invention
Steel plate has the anti-scratch corrosion sprawling performance of excellent resistance to UV aging energy, Corrosion Protection and salt spray resistance, can be with
Build and use directly as outdoor steel construction.And low surface treatment epoxy paint coatings with rust, with wet surface of steel plate it
Between also there is good adhesive force.
The above is for only for ease of it will be understood by those skilled in the art that technical scheme, not limiting
The present invention.Within the spirit and principles of the invention, any modification, equivalent replacement, improvement and so on, should be included in this
Within the protection domain of invention.
Claims (8)
- A kind of 1. steel plate with low surface treatment epoxy paint coatings, it is characterised in that：The surface of steel plate is with thickness The low surface treatment epoxy paint coatings of 0.30mm~0.40mm；The low surface treatment epoxy paint coatings are by including following heavy The low surface treatment epoxy paint solidification of amount part component is formed：Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%,The cycloaliphatic epoxy resin of 0.5~0.6 part of 0.52~0.53mol/100g of epoxide number,0.1~0.2 part of phenol-modified liquid petroleum resin,0.2~0.3 part of dimethylbenzene, 0.1~0.2 part of n-butanol, 0.15~0.3 part of absolute ethyl alcohol,0.3~0.4 part of ZP409 type composite zinc phosphate, 0.4~0.5 part of ultra micro level zinc oxide,0.05~0.08 part of nano silicon dioxide, 0.15~0.2 part of nano-titanium dioxide,0.01~0.02 part of graphene, 0.5~0.7 part of sericite in powder,The fluorine-carbon modified polyacrylate flow agent of 0.02~0.03 part of EFKA-3777 type,0.015~0.02 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,0.015~0.02 part of hydroxyphenyl benzotriazole UV absorbers,0.02~0.03 part of hindered amine as light stabilizer；B component：1 part of JH-0132 type is modified alicyclic ring amine hardener,0.9~1.1 part of cashew nut oil modified polyamide curing agent of NX-2028MA types,0.2~0.4 part of dimethylbenzene；The part by weight of the component A and B component is 1:0.13~0.15.
- 2. steel plate according to claim 1, it is characterised in that the low surface treatment epoxy paint coatings are by including following The low surface treatment epoxy paint solidification of parts by weight of component is formed：Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%,The cycloaliphatic epoxy resin of 0.55 part of 0.52~0.53mol/100g of epoxide number,0.15 part of phenol-modified liquid petroleum resin,0.25 part of dimethylbenzene, 0.15 part of n-butanol, 0.2 part of absolute ethyl alcohol,0.38 part of ZP409 type composite zinc phosphate, 0.42 part of ultra micro level zinc oxide,0.075 part of nano silicon dioxide, 0.16 part of nano-titanium dioxide,0.018 part of graphene, 0.6 part of sericite in powder,The fluorine-carbon modified polyacrylate flow agent of 0.025 part of EFKA-3777 type,0.018 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,0.018 part of hydroxyphenyl benzotriazole UV absorbers,0.025 part of hindered amine as light stabilizer；B component：1 part of JH-0132 type is modified alicyclic ring amine hardener,1 part of cashew nut oil modified polyamide curing agent of NX-2028MA types,0.3 part of dimethylbenzene；The part by weight of the component A and B component is 1:0.14.
- 3. steel plate according to claim 1, it is characterised in that the thickness of the low surface treatment epoxy paint coatings is 0.34mm。
- 4. steel plate according to claim 1, it is characterised in that the length of the steel plate is 1000mm~16000mm, width For 1000mm~4000mm, thickness is 1.5mm~30mm.
- 5. steel plate according to claim 4, it is characterised in that the length of the steel plate is 14000mm, and width is 2000mm, thickness 15mm.
- A kind of 6. manufacture method of the steel plate with low surface treatment epoxy paint coatings, it is characterised in that the manufacture method For：Processing of rust removing is carried out to surface of steel plate, the surface of steel plate derusting grade is reached more than St2 grades；In the steel by derusting The plate surface low surface treatment epoxy paint coatings that applied thickness is 0.10mm~0.15mm and 0.20mm~0.25mm successively；The low surface treatment epoxy coating includes the component of following parts by weight：Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%,The cycloaliphatic epoxy resin of 0.5~0.6 part of 0.52~0.53mol/100g of epoxide number,0.1~0.2 part of phenol-modified liquid petroleum resin,0.2~0.3 part of dimethylbenzene, 0.1~0.2 part of n-butanol, 0.15~0.3 part of absolute ethyl alcohol,0.3~0.4 part of ZP409 type composite zinc phosphate, 0.4~0.5 part of ultra micro level zinc oxide,0.05~0.08 part of nano silicon dioxide, 0.15~0.2 part of nano-titanium dioxide,0.01~0.02 part of graphene, 0.5~0.7 part of sericite in powder,The fluorine-carbon modified polyacrylate flow agent of 0.02~0.03 part of EFKA-3777 type,0.015~0.02 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,0.015~0.02 part of hydroxyphenyl benzotriazole UV absorbers,0.02~0.03 part of hindered amine as light stabilizer；B component：1 part of JH-0132 type is modified alicyclic ring amine hardener,0.9~1.1 part of cashew nut oil modified polyamide curing agent of NX-2028MA types,0.2~0.4 part of dimethylbenzene；The part by weight of the component A and B component is 1:0.13~0.15.
- 7. the manufacture method of steel plate according to claim 6, it is characterised in that the low surface treatment epoxy coating includes The component of following parts by weight：Component A：1 part of epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%,The cycloaliphatic epoxy resin of 0.55 part of 0.52~0.53mol/100g of epoxide number,0.15 part of phenol-modified liquid petroleum resin,0.25 part of dimethylbenzene, 0.15 part of n-butanol, 0.2 part of absolute ethyl alcohol,0.38 part of ZP409 type composite zinc phosphate, 0.42 part of ultra micro level zinc oxide,0.075 part of nano silicon dioxide, 0.16 part of nano-titanium dioxide,0.018 part of graphene, 0.6 part of sericite in powder,The fluorine-carbon modified polyacrylate flow agent of 0.025 part of EFKA-3777 type,0.018 part of DISPERBYK-110 types copolymer dispersant containing acidic-group,0.018 part of hydroxyphenyl benzotriazole UV absorbers,0.025 part of hindered amine as light stabilizer；B component：1 part of JH-0132 type is modified alicyclic ring amine hardener,1 part of cashew nut oil modified polyamide curing agent of NX-2028MA types,0.3 part of dimethylbenzene；The part by weight of the component A and B component is 1:0.14.
- 8. manufacture method according to claim 6, it is characterised in that the coating of the low surface treatment epoxy paint coatings Thickness is respectively 0.12mm and 0.22mm.
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| CN108034334B (en) * | 2017-12-29 | 2020-01-17 | 中科院广州化学有限公司 | Water-based organic silicon-fluorine modified graphene oxide/epoxy resin coating and preparation method thereof |
| CN108384389A (en) * | 2018-03-16 | 2018-08-10 | 华南理工大学 | A kind of nano silicon dioxide/graphene/epoxy resin composite anticorrosion coating and preparation and application |
| CN112851994A (en) * | 2021-02-26 | 2021-05-28 | 绍兴盖科生物科技有限公司 | Preparation method of reversible dynamic pore paint layer |
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