CN106189678A - A kind of steel plate with low surface treatment epoxy paint coatings and manufacture method thereof - Google Patents
A kind of steel plate with low surface treatment epoxy paint coatings and manufacture method thereof Download PDFInfo
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- CN106189678A CN106189678A CN201510226450.7A CN201510226450A CN106189678A CN 106189678 A CN106189678 A CN 106189678A CN 201510226450 A CN201510226450 A CN 201510226450A CN 106189678 A CN106189678 A CN 106189678A
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Abstract
The invention discloses a kind of steel plate with low surface treatment epoxy paint coatings and manufacture method thereof, belong to anticorrosion steel plate manufacturing technology field.This surface of steel plate has the low surface treatment epoxy paint coatings that thickness is 0.30mm～0.40mm；Described low surface treatment epoxy paint coatings is 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-butyl alcohol, dehydrated alcohol, composite zinc phosphate, ultra micro level zinc oxide, nano silicon, nano titanium oxide, Graphene, sericite in powder, fluorine-carbon modified polyacrylate flow agent, containing acidic-group copolymer dispersant, hydroxyphenyl benzotriazole UV absorbers, hindered amine light stabilizer；B component: modified aliphatic cyclic amine firming agent, cashew nut oil modified polyamide curing agent, dimethylbenzene；The part by weight of component A and B component is 1:0.13～0.15.This steel plate resistance to UV aging can be good.
Description
Technical field
The present invention relates to anticorrosion steel plate manufacturing technology field, particularly to one, there is low surface treatment epoxy
The steel plate of paint coatings and manufacture method thereof.
Background technology
In anti-corrosion steel board manufacturing process, in order to enable erosion shield and the substrate of steel plate of surface of steel plate
Firm combination, needs to carry out surface of steel plate derusting by sandblasting pre-treatment thoroughly, Sa2.5 level to be reached
(GB/T 8923 " steel surface rusting grade and derusting grade before application ").But for some surface corrosions
Serious steel plate, the waste can of such as petrochemical system, pipeline, the steel plate etc. used by boats and ships and oil platform,
On-the-spot derusting by sandblasting is limited by condition, adds that the technical quality of workmen and other various reasons cause removing
Rust quality cannot meet the technology requirement of Sa2.5 level, causes anticorrosive quality to ensure.Additionally, at littoral
The steel plate that district uses often is in high humidity environment, makes surface of steel plate be in dampness, also results in anti-
Corrosion resistant coating is combined insecure with surface of steel plate, affects anticorrosive quality.
Therefore, in order to meet the requirement of above-mentioned Special use environment, one has low surface treatment epoxy coating
Arising at the historic moment of the steel plate of coating.The erosion shield of this kind of surface of steel plate coating is that low surface treatment epoxy is coated with
Material.It is relatively low that low surface treatment epoxy coating processes calling hierarchy to steel structure surface before application, can become rusty at band,
Moist surface of steel plate carries out application.
During realizing the present invention, the inventors discovered that in prior art and at least there is problems in that now
The steel plate resistance to UV aging with low surface treatment epoxy paint coatings having can be poor, makes for a long time
During with, the phenomenon such as efflorescence, variable color easily occurs.
Summary of the invention
For solving above-mentioned technical problem, the present invention provide a kind of resistance to UV aging can well, the longest
Phase use during do not occur efflorescence, the steel plate with low surface treatment epoxy paint coatings of metachromatism and
Its manufacture method.
Specifically, including following technical scheme:
First aspect present invention provides a kind of steel plate with low surface treatment epoxy paint coatings, described steel plate
Surface has the low surface treatment epoxy paint coatings that thickness is 0.30mm～0.40mm；Described low prepared surface
Epoxy coating coating is formed by the low surface treatment epoxy paint solidification including following weight percent composition:
Component A: 1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%, 0.5～0.6
The cycloaliphatic epoxy resin of part epoxide number 0.52～0.53mol/100g, 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-butyl alcohol, 0.15～0.3 part of dehydrated alcohol, 0.3～0.4 part
ZP409 type composite zinc phosphate, 0.4～0.5 part of ultra micro level zinc oxide, 0.05～0.08 part of nano silicon,
0.15～0.2 part of nano titanium oxide, 0.01～0.02 part of Graphene, 0.5～0.7 part of sericite in powder, 0.02～0.03
The polyacrylate flow agent that part EFKA-3777 type is fluorine-carbon modified, 0.015～0.02 part of DISPBERYK-110
Type copolymer dispersant Han acidic-group, 0.015～0.02 part of hydroxyphenyl benzotriazole UV absorbers,
The hindered amine light stabilizer of 0.02～0.03 part；
B component: 1 part of JH-0132 type modification aliphatic cyclic amine firming agent, 0.9～1.1 portion of NX-2028MA type Fructus anacardii
Shell oil modified polyamide firming agent, 0.2～0.4 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.13～0.15.
Preferably, described low surface treatment epoxy paint coatings is by the low table including following weight percent composition
Face processes epoxy coating and solidify to form:
Component A: 1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%, 0.55
The cycloaliphatic epoxy resin of part epoxide number 0.52～0.53mol/100g, 0.15 part of phenol-modified liquid petroleum tree
Fat, 0.25 part of dimethylbenzene, 0.15 part of n-butyl alcohol, 0.2 part of dehydrated alcohol, 0.38 part of ZP409 type compound phosphoric acid
Zinc, 0.42 part of ultra micro level zinc oxide, 0.075 part of nano silicon, 0.16 part of nano titanium oxide, 0.018
Part Graphene, 0.6 part of sericite in powder, the polyacrylate levelling that 0.025 part of EFKA-3777 type is fluorine-carbon modified
Agent, 0.018 part of DISPBERYK-110 type copolymer dispersant Han acidic-group, 0.018 part of hydroxyphenyl benzo
Triazole UV absorbers, the hindered amine light stabilizer of 0.025 part；
B component: 1 part of JH-0132 type modification aliphatic cyclic amine firming agent, 1 part of NX-2028MA type cashew shell oil
Modified polyamide firming agent, 0.3 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.14.
Preferably, the thickness of described low surface treatment epoxy paint coatings is 0.34mm.
Preferably, a length of 1000mm～16000mm of described steel plate, width is 1000mm～4000mm,
Thickness is 1.5mm～30mm.
Preferably, a length of 14000mm of described steel plate, width is 2000mm, and thickness is 15mm.
Second aspect present invention provide a kind of first aspect present invention there is low surface treatment epoxy paint coatings
The manufacture method of steel plate, described manufacture method is: surface of steel plate is carried out processing of rust removing, makes described steel plate
Surface derusting grade reaches more than St2 level；In the surface of steel plate applied thickness successively through rust cleaning it is
The low surface treatment epoxy paint coatings of 0.10mm～0.15mm and 0.20mm～0.25mm；Wherein, institute
State low surface treatment epoxy coating and include following components in percentage by weight:
Component A: 1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%, 0.5～0.6
The cycloaliphatic epoxy resin of part epoxide number 0.52～0.53mol/100g, 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-butyl alcohol, 0.15～0.3 part of dehydrated alcohol, 0.3～0.4 part
ZP409 type composite zinc phosphate, 0.4～0.5 part of ultra micro level zinc oxide, 0.05～0.08 part of nano silicon,
0.15～0.2 part of nano titanium oxide, 0.01～0.02 part of Graphene, 0.5～0.7 part of sericite in powder, 0.02～0.03
The polyacrylate flow agent that part EFKA-3777 type is fluorine-carbon modified, 0.015～0.02 part of DISPBERYK-110
Type copolymer dispersant Han acidic-group, 0.015～0.02 part of hydroxyphenyl benzotriazole UV absorbers,
The hindered amine light stabilizer of 0.02～0.03 part；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent, 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 described component A and B component is
1:0.13～0.15.
Preferably, described low surface treatment epoxy coating includes following components in percentage by weight:
Component A: 1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%, 0.55
The cycloaliphatic epoxy resin of part epoxide number 0.52～0.53mol/100g, 0.15 part of phenol-modified liquid petroleum tree
Fat, 0.25 part of dimethylbenzene, 0.15 part of n-butyl alcohol, 0.2 part of dehydrated alcohol, 0.38 part of ZP409 type compound phosphoric acid
Zinc, 0.42 part of ultra micro level zinc oxide, 0.075 part of nano silicon, 0.16 part of nano titanium oxide, 0.018
Part Graphene, 0.6 part of sericite in powder, the polyacrylate levelling that 0.025 part of EFKA-3777 type is fluorine-carbon modified
Agent, 0.018 part of DISPBERYK-110 type copolymer dispersant Han acidic-group, 0.018 part of hydroxyphenyl benzo
Triazole UV absorbers, the hindered amine light stabilizer of 0.025 part；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent, 1 part of cashew nut oil modified polyamides of NX-2028MA type
Amine hardener, 0.3 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.14.
Preferably, the coating thickness of described low surface treatment epoxy paint coatings be respectively 0.12mm and
0.22mm。
The steel plate with low surface treatment epoxy coating of the present invention can be used for sea work steel structure, bridge, pipe
The iron and steel structures such as road and petroleum and petrochemical industry steel construction.
The beneficial effect of the technical scheme that the embodiment of the present invention provides:
(1), the embodiment of the present invention is optimized improvement to the composition of low surface treatment epoxy coating, with the addition of
The nano materials such as cycloaliphatic epoxy resin, nano silicon, nano titanium oxide, UV absorbers with
And the component such as light stabilizer, and use alicyclic ring amine curing agent, make that there is this low surface treatment epoxy and be coated with
Material coating steel plate on the basis of there is good Corrosion Protection (2000h, at cut unidirectional expand erosion ＜ 2mm,
Band rust band wet coating dress coating salt spray resistance reaches 3000h), also there is good resistance to UV aging energy, through 800h
Degradation, coating is without efflorescence, without variable color.Efficiently solve and there is low surface treatment epoxy paint coatings
The problem of steel plate weatherability difference, above-mentioned steel plate can be built directly as outdoor steel construction and use.
(2) due to the low surface treatment epoxy coating in the embodiment of the present invention, inherently there is good resistance to ultraviolet
Photooxidation aging property, therefore, the surface of steel plate of the embodiment of the present invention only coats one layer of low surface treatment epoxy coating
Coating, it is not necessary to other protective coatings, simplifies the manufacture process of steel plate.
(3), due to low surface treatment epoxy coating, there is good substrate adhesion energy and moisturecuring
Can, therefore, the manufacture method letter of the steel plate with low surface treatment epoxy paint coatings of the embodiment of the present invention
Single, surface of steel plate needs not move through rust cleaning and the dry run of complexity, reach manual grinding rust cleaning St2 level with
Upper, it is to avoid derusting by sandblasting pollution on the environment, to reduce manufacturing cost simultaneously.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, institute in embodiment being described below
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows for the structure of the steel plate with low surface treatment epoxy paint coatings that the embodiment of the present invention provides
It is intended to.
Labelling in figure represents respectively
1, steel plate；2, low surface treatment epoxy paint coatings；21, ground floor low surface treatment epoxy coating
Coating；22, second layer low surface treatment epoxy paint coatings.
Detailed description of the invention
For making technical scheme and advantage clearer, below in conjunction with the accompanying drawings to embodiment of the present invention
It is described in further detail.
First aspect present invention provides a kind of steel plate with low surface treatment epoxy paint coatings, such as Fig. 1 institute
Showing, described steel plate 1 surface has the low surface treatment epoxy paint coatings 2 that thickness is 0.30mm～0.40mm；
Described low surface treatment epoxy paint coatings 2 is by the low surface treatment epoxy including following weight percent composition
Paint solidification is formed:
Component A: 1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%, 0.5～0.6
The cycloaliphatic epoxy resin of part epoxide number 0.52～0.53mol/100g, 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-butyl alcohol, 0.15～0.3 part of dehydrated alcohol, 0.3～0.4 part
ZP409 type composite zinc phosphate, 0.4～0.5 part of ultra micro level zinc oxide, 0.05～0.08 part of nano silicon,
0.15～0.2 part of nano titanium oxide, 0.01～0.02 part of Graphene, 0.5～0.7 part of sericite in powder, 0.02～0.03
The polyacrylate flow agent that part EFKA-3777 type is fluorine-carbon modified, 0.015～0.02 part of DISPBERYK-110
Type copolymer dispersant Han acidic-group, 0.015～0.02 part of hydroxyphenyl benzotriazole UV absorbers,
The hindered amine light stabilizer of 0.02～0.03 part；
B component: 1 part of JH-0132 type modification aliphatic cyclic amine firming agent, 0.9～1.1 portion of NX-2028MA type Fructus anacardii
Shell oil modified polyamide firming agent, 0.2～0.4 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.13～0.15.
The embodiment of the present invention is optimized improvement to the composition of low surface treatment epoxy coating so that have this low
The steel plate of surface treatment epoxy paint coatings is (2000h, list at cut on the basis of having good Corrosion Protection
To expanding erosion ＜ 2mm, band rust band wet coating dress coating salt spray resistance reaches 3000h), also there is good ultraviolet resistance old
Changing performance, through the degradation of 800h, coating is without efflorescence, without variable color.Efficiently solve and there is low surface
The problem processing the steel plate weatherability difference of epoxy coating coating, makes the surface of steel plate of the embodiment of the present invention only need one
The above-mentioned low surface treatment epoxy paint coatings of layer can meet use requirement, it is not necessary to is coated with other protections and is coated with
Layer, reduces cost.In described low surface treatment epoxy coating, the Main Function of each component is as follows:
(1) the low surface treatment epoxy coating of the embodiment of the present invention with the addition of cycloaliphatic epoxy resin, alicyclic ring
Race's epoxy resin is without phenyl ring but containing saturated hexatomic ring, due to saturated hexa-atomic in such resinous molecular structure
The existence of ring, imparts coating and has excellent UV resistant irradiation and wet and heat ageing resistant, good thermally-stabilised
Property.And with the addition of hydroxyphenyl benzotriazole UV absorbers and hindered amine light stabilizer, these are two years old
The fitting through of kind of auxiliary agent absorb harmful ultraviolet light and catch harmful free radical make coating improve anti-powdering,
The performances such as anti-loss of gloss, make coating after the degradation of 800h, efflorescence and variable color do not occur.
(2) in terms of firming agent, the embodiment of the present invention use JH-0132 type modification aliphatic cyclic amine firming agent and
The firming agent that the cashew nut oil modified polyamide curing agent of NX-2028MA type is compounding.JH-0132 type modification alicyclic ring
It is splendid that amine curing agent has coating film gloss, good weatherability, to the characteristic such as moisture is insensitive；NX-2028MA
The existing benzene ring structure of the cashew nut oil modified polyamide curing agent of type, the most also a C15 containing unsaturated bond
Side Long carbon chain, makes coating can solidify under low temperature, wet environment, therefore the surface of base material is processed requirement
Low；And the cashew nut oil modified polyamide curing agent of NX-2028MA type also has good pliability and resistance to Huang
Degeneration, solves the fragility of tradition modified by cardanol amine and easy xanthochromia problem, has had cashew nut oil modified amine concurrently
With the feature of polyamide, improve its comprehensive anticorrosive performance.Being used in mixed way of above two firming agent, gives
Anti-yellowing property, moisturecuring performance and the requirement to coated steel low prepared surface that coating is good.
(3) the low surface treatment epoxy coating of the embodiment of the present invention also added phenol-modified liquid petroleum tree
Fat.Such Petropols have aging resistance function well, weatherability effect is strong, compatibility good, water-fast and resistance to
The characteristics such as chemicals is good, it is possible to the viscosity of regulation gained coating and its heat stability of raising.Coating uses,
Pliability and the adhesive force of ground, gloss and the Corrosion Protection of film can be significantly improved.
(4) in terms of rust inhibition rust resisting pigment, with the addition of ZP409 type composite zinc phosphate and ultra micro level zinc oxide.
ZP409 type composite zinc phosphate is with zinc phosphate as carrier, forms in conjunction with other special rust resisting pigments are compounding, can be same
Than substituting zinc oxide, aluminium triphosphate, zinc phosphate etc., change aluminium triphosphate rustless property in early days not enough
The shortcoming bad with zinc phosphate later stage rustless property.Ultra micro level zinc oxide has light specific gravity, particle diameter is little, compare table
Area is big, adhesive force and the feature of strong covering power, can improve the physicochemical property of coating, also have certain shielding
The effect of ultraviolet, it is possible to increase the anti-light aging performance of coating.Meanwhile, zinc oxide is joined with composite zinc phosphate
Cooperation use, can improve the Corrosion Protection of zinc phosphate.
(5) interpolation of nano material imparts the physical and chemical performance that coating is good.The nanometer two wherein added
Silicon oxide is through special close epoxy resin coupling agent treatment, the epoxy resin tailored version nano-silica made
SiClx (VK-SP30S), has more preferable dispersibility；It is little, micro-that the nano titanium oxide added has particle size
Kong Duo, specific surface area are big, the adsorbed hydroxyl content is high, strong to ultraviolet, visible ray and infrared-reflecting power
Etc. feature.The interpolation of nano material improves the ageing resistance of coating, Corrosion Protection and physical and mechanical properties.
(6) Graphene is a kind of Two-dimensional Carbon atomic crystal, and structure is highly stable, have excellence hot property,
Mechanical property and electric property, the laminar structured of Graphene can play barrier action in the coating,
Thus prevent Korrosionsmedium osmosis in the coating, protect ground.The Graphene added in this coating
(GP-1), it is combined with macromolecule (polyvinylpyrrolidone, PVP) by Graphene, effectively inhibits stone
The secondary stacking of ink alkene, and make it possess the good dispersion in various polar solvents and macromolecule matrix material
Performance, it and rust inhibition rust resisting pigment zinc phosphate, oxidisability synergism, improve the antirust ability of coating.
(7) sericite in powder is two-dimensional sheet crystal structure, can improve the compactness of coating, improves coating resistance
Gear ultraviolet and the ability of moisture penetration, make penetrating of the film effective block ultraviolet line of energy, improve it resistance to
Aqueous and weather resisteant, prevent be full of cracks, postpone efflorescence, extend the service life of film.Sericite in powder is the wettest
Method sericite in powder.
(8) additionally, other adjuvant components in the low surface treatment epoxy coating of the present invention, such as EFKA-3777
Polyacrylate flow agent and DISPBERYK-110 type that type is fluorine-carbon modified disperse containing acidic-group copolymer
Agent the most all serves not same-action.The fluorine-carbon modified acrylate levelling agent of EFKA-3777 type has lower
Surface tension, its anti-shrinkage cavity and moistening base material function are preferable.When band rust external coating, it is desirable to coating has
Preferably substrate wettability energy, such coating ability fully moistening rusty scale, the rusty scale of porous is produced good
Sealing process.Select a kind of preferably levelling agent to coating with suitable surface tension, improve levelling and ground
Moistening, the wettability and the apparent property that improve film are necessary.DISPBERYK-110 type contains acidic-group
Copolymer dispersant is suitable for stable inorganic pigment, particularly stablizes nano titanium oxide, and can greatly drop
The viscosity of prepared paint.This auxiliary agent makes pigment solution flocculate by sterically hindered, owing to solving the granules of pigments of flocculation very
Little, such that it is able to improve gloss, promote color intensity.
In the above-mentioned steel plate with low surface treatment epoxy paint coatings, it is used for forming low prepared surface ring
The composition of the coating of oxygen paint coatings is preferred:
Component A: 1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%, 0.55
The cycloaliphatic epoxy resin of part epoxide number 0.52～0.53mol/100g, 0.15 part of phenol-modified liquid petroleum resin,
0.25 part of dimethylbenzene, 0.15 part of n-butyl alcohol, 0.2 part of dehydrated 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, 0.16 part of nano titanium oxide, 0.018 part
Graphene, 0.6 part of sericite in powder, the polyacrylate flow agent that 0.025 part of EFKA-3777 type is fluorine-carbon modified,
0.018 part of DISPBERYK-110 type copolymer dispersant Han acidic-group, 0.018 part of hydroxyphenyl benzo three nitrogen
Azole UV absorbers, the hindered amine light stabilizer of 0.025 part；
B component: 1 part of JH-0132 type modification aliphatic cyclic amine firming agent, 1 part of NX-2028MA type cashew shell oil
Modified polyamide firming agent, 0.3 part of dimethylbenzene；
The part by weight of described 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 is coated with
Material coating layer thickness is too small, then can not well play etch-proof effect；And if coating layer thickness is excessive, then
The solidification of coating can be unfavorable for.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 do not have
There is strict restriction, can be arbitrary geometry, can determine according to the practical service environment of steel plate.
For example, it is possible to for length 1000mm shown in Fig. 1～1600mm, width 1000mm～4000mm, thickness
The cuboid of 1.5mm～30mm, preferably length 14000mm, width 2000mm, thickness 15mm
Cuboid.
Second aspect present invention provide a kind of first aspect present invention there is low surface treatment epoxy paint coatings
The manufacture method of steel plate, described manufacture method is: surface of steel plate is carried out processing of rust removing, makes described steel plate
Surface derusting grade reaches more than St2 level；In the surface of steel plate applied thickness successively through rust cleaning it is
The ground floor low surface treatment epoxy paint coatings 21 of 0.10mm～0.15mm and thickness be 0.20mm～
The second layer low surface treatment epoxy paint coatings 22 of 0.25mm；Wherein, described ground floor low prepared surface ring
Oxygen paint coatings 21 and second layer low surface treatment epoxy paint coatings 22 are by first aspect present invention
Low surface treatment epoxy paint solidification is formed.
Due to the low surface treatment epoxy coating in first aspect present invention has good substrate adhesion can be with
And moisturecuring performance, therefore, the steel plate with low surface treatment epoxy paint coatings of the embodiment of the present invention
Manufacture method simple, surface of steel plate needs not move through rust cleaning and the dry run of complexity, reaches manual and beats
Abrade more than rust St2 level, it is to avoid derusting by sandblasting pollution on the environment, reduce manufacturing cost simultaneously.
In above-mentioned manufacture method, at the ground floor low surface treatment epoxy paint coatings of surface of steel plate coating
The preferred 0.12mm of thickness of 21, the preferred 0.22mm of thickness of second layer low surface treatment epoxy paint coatings 22.
In following example, the manufacture method provided according to the present invention prepares has low surface treatment paint
The steel plate of coating.And the properties of gained steel plate is tested.
In following example, except modified aliphatic cyclic amine firming agent, cashew shell oil in low surface treatment epoxy coating
Modified polyamide firming agent, fluorine-carbon modified polyacrylate flow agent, containing acidic-group copolymer dispersant
And outside composite zinc phosphate has concrete model to limit, the producer of other components, model do not have strict restriction,
Those skilled in the art can select voluntarily according to practical situation.
The producer of key component of following example low surface treatment epoxy coating, model be:
Epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, NPSN-301X75,
Ring figured woven silk material chemical industry (Guangdong) company limited；
The cycloaliphatic epoxy resin of epoxide number 0.52～0.53mol/100g, JEw-0113, good of Changshu chemistry
Co., Ltd；
Phenol-modified liquid petroleum resin, LA300, Jia Dida Chemical Co., Ltd. of Shenzhen；
ZP409 type composite zinc phosphate, Nuo Cheng Chemical Co., Ltd.；
Nano silicon, VK-SP30S, Hangzhou Wanjing New Material Co., Ltd.；
Nano titanium oxide, VK-T06S, Hangzhou Wanjing New Material Co., Ltd.；
Graphene, GP-1, Ningbo Mo Xi Science and Technology Ltd.；
Ultra micro level zinc oxide, Nuo Cheng Chemical Co., Ltd.；
The polyacrylate flow agent that EFKA-3777 type is fluorine-carbon modified, EFKA company；
DISPBERYK-110 type is containing acid group copolymer dispersant, Bi Ke company of Germany；
Hydroxyphenyl benzotriazole UV absorbers, TINUVIN 99-2, BASF；
Hindered amine light stabilizer, TINUVIN 292, BASF；
JH-0132 type modification aliphatic cyclic amine firming agent, Changhu Jiafa chemistry Co., Ltd.；
The cashew nut oil modified polyamide curing agent of NX-2028MA type, Ka Delai chemical industry Zhuhai company limited.
Low surface treatment epoxy coating used in following example prepares in accordance with the following methods:
Step (1), joins in dehydrated alcohol by nano silicon and nano titanium oxide, at 3000r/min
Mixing speed under disperse 1h, then ultrasound wave dispersion 30min, obtain nano silicon and nano-silica
Change the dispersion liquid of titanium；
Step (2), joins Graphene in dimethylbenzene, disperses 1h under the mixing speed of 3000r/min,
Then ultrasound wave dispersion 30min, obtains graphene dispersing solution；
Step (3), by epoxide number 0.20mol/100g, the bisphenol A type epoxy resin of solid content 75%, ring
The cycloaliphatic epoxy resin of oxygen value 0.52～0.53mol/100g, phenol-modified liquid petroleum resin, EFKA-3777
The fluorine-carbon modified polyacrylate flow agent of type, DISPBERYK-110 type disperse containing acidic-group copolymer
Agent, hydroxyphenyl benzotriazole UV absorbers and hindered amine light stabilizer join in n-butyl alcohol,
It is stirred under the speed of 3000r/min under room temperature, in the case of stirring, adds ZP409 type compound phosphoric acid
Zinc, ultra micro level zinc oxide, wet method sericite in powder and described nano silicon and nano titanium oxide dispersion
Liquid and described graphene dispersing solution, continue to stir under the speed of 3000r/min 30～40min, make each component
It is uniformly dispersed；
Step (4), grinds step (3) gained mixture grinder 0.5～1 hour, obtains described low
The component A of surface treatment epoxy coating；
Step (5), by cashew nut oil modified to JH-0132 type modification aliphatic cyclic amine firming agent and NX-2028MA type
Polyamide curing agent joins in dimethylbenzene, and dispersed with stirring uniformly obtains the B of described low surface treatment epoxy coating
Component；
Step (6), obtains described low surface treatment epoxy coating by described component A and B component mix homogeneously.
Embodiment 1
The present embodiment provides a kind of steel plate with low surface treatment epoxy paint coatings and manufacture method thereof.
As it is shown in figure 1, a length of 14000mm of the steel plate 1 of the present embodiment, width is 2000mm, thick
Degree is 15mm, and steel plate 1 surface has the low surface treatment epoxy paint coatings 2 that thickness is 0.34mm, should
Low surface treatment epoxy paint coatings is solid by the low surface treatment epoxy coating including following weight percent composition
Change and 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 type,
0.25 part of water purification dimethylbenzene, 0.15 part of n-butyl alcohol, 0.2 part of dehydrated 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, 0.16 part of VK-T06S type nano titanium oxide,
0.018 part of GP-1 type Graphene, 0.6 part of wet method sericite in powder,
The polyacrylate flow agent that 0.025 part of EFKA-3777 type is fluorine-carbon modified,
0.018 part of DISPBERYK-110 type copolymer dispersant Han acidic-group,
0.018 part of TINUVIN 99-2 type hydroxyphenyl benzotriazole UV absorbers,
TINUVIN 292 type hindered amine light stabilizer；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent,
1 part of cashew nut oil modified polyamide curing agent of NX-2028MA type,
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:
First steel plate 1 surface is carried out manual grinding rust cleaning, makes steel plate 1 surface derusting grade reach St2 level,
Take out after again steel plate being soaked 1h with tap water, it is thus achieved that band rust carries wet steel plate 1.Then by above-mentioned low surface
Reason epoxy coating coating is coated in above-mentioned band rust and carries wet steel plate 1 surface, forms the ground floor that thickness is 0.12mm
Low surface treatment epoxy paint coatings 21, more above-mentioned low surface treatment epoxy paint coatings is coated in ground floor
On low surface treatment epoxy paint coatings 21, form the second layer low surface treatment epoxy that thickness is 0.22mm
Paint coatings 22, above-mentioned ground floor low surface treatment epoxy paint coatings 21 and second layer low surface treatment epoxy
Paint coatings 22 forms the low surface treatment epoxy paint coatings 2 of thickness 0.34mm.
The properties of the steel plate that the present embodiment gained has low surface treatment epoxy paint coatings is shown in Table 1.
Table 1 embodiment 1 gained 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 with low surface treatment epoxy paint coatings and manufacture method thereof.
As it is shown in figure 1, a length of 15000mm of the steel plate 1 of the present embodiment, width is 3000mm, thick
Degree is 25mm, and steel plate 1 surface has the low surface treatment epoxy paint coatings 2 that thickness is 0.35mm, should
Low surface treatment epoxy paint coatings is solid by the low surface treatment epoxy coating including following weight percent composition
Change and 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 type,
0.2 part of water purification dimethylbenzene, 0.1 part of n-butyl alcohol, 0.3 part of dehydrated 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, 0.2 part of VK-T06S type nano titanium oxide,
0.01 part of GP-1 type Graphene, 0.5 part of wet method sericite in powder,
The polyacrylate flow agent that 0.03 part of EFKA-3777 type is fluorine-carbon modified,
0.02 part of DISPBERYK-110 type copolymer dispersant Han acidic-group,
0.015 part of TINUVIN 99-2 type hydroxyphenyl benzotriazole UV absorbers,
0.02 part of TINUVIN 292 type hindered amine light stabilizer；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent,
1.1 parts of cashew nut oil modified polyamide curing agents of NX-2028MA type
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:
First steel plate 1 surface is carried out manual grinding rust cleaning, makes steel plate 1 surface derusting grade reach St2 level,
Take out after again steel plate being soaked 1h with tap water, it is thus achieved that band rust carries wet steel plate 1.Then by above-mentioned low surface
Reason epoxy coating coating is coated in above-mentioned band rust and carries wet steel plate 1 surface, forms the ground floor that thickness is 0.15mm
Low surface treatment epoxy paint coatings 21, more above-mentioned low surface treatment epoxy paint coatings is coated in ground floor
On low surface treatment epoxy paint coatings 21, form the second layer low surface treatment epoxy that thickness is 0.20mm
Paint coatings 22, above-mentioned ground floor low surface treatment epoxy paint coatings 21 and second layer low surface treatment epoxy
Paint coatings 22 forms the low surface treatment epoxy paint coatings 2 of thickness 0.35mm.
The properties of the present embodiment gained low surface treatment epoxy coating and coating thereof is shown in Table 2.
Table 2 embodiment 2 gained has the properties of the steel plate of low surface treatment epoxy paint coatings
Data from Tables 1 and 2 are it can be seen that the low surface treatment epoxy that has of the embodiment of the present invention is coated with
The steel plate of material coating has the resistance to UV aging energy of excellence, the anti-scratch corrosion of Corrosion Protection spreads performance
And salt spray resistance, can build directly as outdoor steel construction and use.And low surface treatment epoxy coating
Coating and band become rusty, with also having good adhesive force between wet surface of steel plate.
The above is for only for ease of those skilled in the art and understands technical scheme, and need not
To limit the present invention.All within the spirit and principles in the present invention, any amendment of being made, equivalent,
Improve, should be included within the scope of the present invention.
Claims (8)
1. a steel plate with low surface treatment epoxy paint coatings, it is characterised in that: described surface of steel plate
There is the low surface treatment epoxy paint coatings that thickness is 0.30mm～0.40mm；Described low surface treatment epoxy
Paint coatings is formed by the low surface treatment epoxy paint solidification including following weight percent composition:
Component A:
1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%,
The cycloaliphatic epoxy resin of 0.5～0.6 part of epoxide number 0.52～0.53mol/100g,
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-butyl alcohol, 0.15～0.3 part of dehydrated 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, 0.15～0.2 part of nano titanium oxide,
0.01～0.02 part of Graphene, 0.5～0.7 part of sericite in powder,
The polyacrylate flow agent that 0.02～0.03 part of EFKA-3777 type is fluorine-carbon modified,
0.015～0.02 part of DISPBERYK-110 type copolymer dispersant Han acidic-group,
0.015～0.02 part of hydroxyphenyl benzotriazole UV absorbers,
The hindered amine light stabilizer of 0.02～0.03 part；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent,
0.9～1.1 part of cashew nut oil modified polyamide curing agent of NX-2028MA type,
0.2～0.4 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.13～0.15.
Steel plate the most according to claim 1, it is characterised in that described low surface treatment epoxy coating is coated with
Layer is formed by the low surface treatment epoxy paint solidification including following weight percent composition:
Component A:
1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%,
The cycloaliphatic epoxy resin of 0.55 part of epoxide number 0.52～0.53mol/100g,
0.15 part of phenol-modified liquid petroleum resin,
0.25 part of dimethylbenzene, 0.15 part of n-butyl alcohol, 0.2 part of dehydrated 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, 0.16 part of nano titanium oxide,
0.018 part of Graphene, 0.6 part of sericite in powder,
The polyacrylate flow agent that 0.025 part of EFKA-3777 type is fluorine-carbon modified,
0.018 part of DISPBERYK-110 type copolymer dispersant Han acidic-group,
0.018 part of hydroxyphenyl benzotriazole UV absorbers,
The hindered amine light stabilizer of 0.025 part；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent,
1 part of cashew nut oil modified polyamide curing agent of NX-2028MA type,
0.3 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.14.
Steel plate the most according to claim 1, it is characterised in that described low surface treatment epoxy coating is coated with
The thickness of layer is 0.34mm.
Steel plate the most according to claim 1, it is characterised in that described steel plate a length of
1000mm～16000mm, width is 1000mm～4000mm, and thickness is 1.5mm～30mm.
Steel plate the most according to claim 4, it is characterised in that a length of 14000mm of described steel plate,
Width is 2000mm, and thickness is 15mm.
6. the manufacture method of a steel plate with low surface treatment epoxy paint coatings, it is characterised in that institute
Stating manufacture method is: surface of steel plate is carried out processing of rust removing, makes described surface of steel plate derusting grade reach St2
More than Ji；Through rust cleaning surface of steel plate applied thickness successively be 0.10mm～0.15mm and
The low surface treatment epoxy paint coatings of 0.20mm～0.25mm；
Described low surface treatment epoxy coating includes following components in percentage by weight:
Component A:
1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%,
The cycloaliphatic epoxy resin of 0.5～0.6 part of epoxide number 0.52～0.53mol/100g,
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-butyl alcohol, 0.15～0.3 part of dehydrated 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, 0.15～0.2 part of nano titanium oxide,
0.01～0.02 part of Graphene, 0.5～0.7 part of sericite in powder,
The polyacrylate flow agent that 0.02～0.03 part of EFKA-3777 type is fluorine-carbon modified,
0.015～0.02 part of DISPBERYK-110 type copolymer dispersant Han acidic-group,
0.015～0.02 part of hydroxyphenyl benzotriazole UV absorbers,
The hindered amine light stabilizer of 0.02～0.03 part；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent,
0.9～1.1 part of cashew nut oil modified polyamide curing agent of NX-2028MA type,
0.2～0.4 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.13～0.15.
The manufacture method of steel plate the most according to claim 6, it is characterised in that described low prepared surface
Epoxy coating includes following components in percentage by weight:
Component A:
1 part of epoxide number 0.20mol/100g, bisphenol A type epoxy resin of solid content 75%,
The cycloaliphatic epoxy resin of 0.55 part of epoxide number 0.52～0.53mol/100g,
0.15 part of phenol-modified liquid petroleum resin,
0.25 part of dimethylbenzene, 0.15 part of n-butyl alcohol, 0.2 part of dehydrated 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, 0.16 part of nano titanium oxide,
0.018 part of Graphene, 0.6 part of sericite in powder,
The polyacrylate flow agent that 0.025 part of EFKA-3777 type is fluorine-carbon modified,
0.018 part of DISPBERYK-110 type copolymer dispersant Han acidic-group,
0.018 part of hydroxyphenyl benzotriazole UV absorbers,
The hindered amine light stabilizer of 0.025 part；
B component:
1 part of JH-0132 type modification aliphatic cyclic amine firming agent,
1 part of cashew nut oil modified polyamide curing agent of NX-2028MA type,
0.3 part of dimethylbenzene；
The part by weight of described component A and B component is 1:0.14.
Manufacture method the most according to claim 6, it is characterised in that described low surface treatment epoxy is coated with
The coating thickness of material coating is respectively 0.12mm and 0.22mm.
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| 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 |
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