CN106085117B - A kind of low surface treatment epoxy thickness slurry paint and preparation method thereof - Google Patents
A kind of low surface treatment epoxy thickness slurry paint and preparation method thereof Download PDFInfo
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- CN106085117B CN106085117B CN201610501276.7A CN201610501276A CN106085117B CN 106085117 B CN106085117 B CN 106085117B CN 201610501276 A CN201610501276 A CN 201610501276A CN 106085117 B CN106085117 B CN 106085117B
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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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
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
A kind of low surface treatment epoxy thickness slurry paint, according to parts by weight, including component A: 20~50 parts of low-molecular-weight epoxy resin, 10~30 parts epoxy-modified of phenolic resin, 1~3 part of sagging auxiliary agent, 1~3 part of wetting dispersing agent, 5~15 parts of pigment, 20~40 parts of anticorrosive packing and 5~15 parts of dimethylbenzene；B component: long-chain replaces 5~20 parts of phenolic aldehyde amine, 5~20 parts of polyetheramine, 5~20 parts of polyamide, solidification 5~15 parts of regulator, 1~3 part of wetting dispersing agent, 10~30 parts of anticorrosive packing, 5~15 parts of dimethylbenzene, 5~15 parts of macromolecule bleeding agent.This kind paint is of less demanding to the derusting of ground, in the case where having some residual iron rust, can construct, and do not influence anti-corrosion effect, and can be coated on different old paint films, nor affects on the antiseptic property of paint film.
Description
Technical field
The present invention relates to paint field, in particular to a kind of low surface treatment epoxy thickness slurry paint and preparation method thereof.
Background technique
In coating project, before coating, processing of rust removing need to be carried out to ground, generally at least to reach St2.0 rank, remove
Rust process cost itself is very high, furthermore in many coating process, can not just derust at all, inside such as narrow metalwork,
The tool of not being available derusts.Meanwhile in renovation coating project, remove that old paint film is time-consuming and laborious, and cost is very high, but endless
Old paint film is removed entirely, and new paint film may react with old paint film, and paint film has been easy drum and has fallen off.
Summary of the invention
The purpose of the present invention is to provide a kind of low surface treatment epoxy thickness slurry paint and preparation method thereof, this kind of priming paint volumes
Solid content is greater than 80%, and solvent content is few, and VOC is lower, and single layer film thickness can achieve 300 μm, or higher, and can be coated on
Though being handled but still being had the surface of corrosion, can also be coated on the used paint layer surface of multiple coating, and priming paint can be made certainly, it can be more
Kind finishing coat is covered
Above-mentioned purpose of the invention has the technical scheme that a kind of low surface treatment epoxy thickness slurry
Paint, according to parts by weight, including component A: 20~50 parts of low-molecular-weight epoxy resin, 10~30 parts epoxy-modified of phenolic resin,
1~3 part of sagging auxiliary agent, 1~3 part of wetting dispersing agent, 5~15 parts of pigment, 20~40 parts of anticorrosive packing and 5~15 parts of dimethylbenzene；B
Component: long-chain replaces 5~20 parts of phenolic aldehyde amine, 5~20 parts of polyetheramine, 5~20 parts of polyamide, 5~15 parts of regulator of solidification, wetting
1~3 part of dispersing agent, 10~30 parts of anticorrosive packing, 5~15 parts of dimethylbenzene, 5~15 parts of macromolecule bleeding agent.
A kind of low surface treatment epoxy thickness slurry paint, according to parts by weight, including component A: 35 parts of low-molecular-weight epoxy resin, ring
Oxygen modified 20 parts of phenolic resin, 2 parts of sagging auxiliary agent, 2 parts of wetting dispersing agent, 10 parts of pigment, 30 parts of anticorrosive packing and dimethylbenzene
10 parts；B component: long-chain replaces 12.5 parts of phenolic aldehyde amine, 12.5 parts of polyetheramine, 12.5 parts of polyamide, 10 parts of regulator of solidification, wetting
2 parts of dispersing agent, 20 parts of anticorrosive packing, 10 parts of dimethylbenzene, 10 parts of macromolecule bleeding agent.
After long-chain substitution phenolic aldehyde amine is added, priming paint reactivity is got higher, and crosslink density becomes larger, and film is against corrosion to improve.
And macromolecule bleeding agent facilitate priming paint infiltrate into metal inside and orderly deposition form multiple microlayer structures, can effectively stop
The infiltration of corrosive medium plays good shielding action, realizes good anti-corrosion effect.And it can also be by the work of contact
Property iron rust passivation, so as to inhibit corrosion Jin mono- Walk occur.
Meanwhile the epoxide number of low-molecular-weight epoxy resin herein is 0.41~0.47 or 0.48~0.54.
Preferably, the wetting agent is one of full methyl polysiloxane, siloxanes tripolymer or annular siloxane
Or it is several.
Liquid paint and metal can be effectively reduced since organo-silicic oil to be added in low surface treatment epoxy thickness slurry paint
The viscosity on surface, so as to so that low surface treatment epoxy thickness slurry paint sprawls ground more uniformly in the case where liquid.
Preferably, the anticorrosive packing includes micaceous iron oxide, mica powder, trbasic zinc phosphate, feldspar powder and talcum powder.
Preferably, micaceous iron oxide, mica powder, trbasic zinc phosphate, feldspar powder and talcum powder weight ratio be 2:1:2:3.
Micaceous iron oxide is a kind of flake pigment of stable chemical performance, is added it in priming paint, priming paint can be made to have
There are particularly preferred closure and weatherability, has very strong resistance to infiltration and isolation capacity to corrosive medium and steam etc., and can be big
Amount absorb and reflection ultraviolet light for open air by exposure, sleet, under the conditions of frost and marine climate, the copper and iron of saline water intrusion
Component has special antiseptic and rustproof effect, and guard time was up to 10 years or more.
Mica powder is a kind of nonmetallic mineral, containing Multiple components, wherein mainly there is SiO2, content generally 49% or so,
Al2O3Content is 30% or so.Mica powder has good elasticity, toughness.Insulating properties, high temperature resistant, acid and alkali-resistance, corrosion-resistant, attachment
The characteristics such as power is strong, are a kind of excellent additives.
Trbasic zinc phosphate, i.e. zinc dihydrogen phosphate, the preservative treatment in electroplating industry for ferrous metal production, also serve as metal watch
Surface treatment agent, being used as colorant in ceramic industry is a kind of novel non-toxic rust resisting pigment.Also serve as chlorinated rubber, synthesis macromolecule
The fire retardant of material, it is also possible to make the moulage of dentistry.
The hardness fluctuations of feldspar powder are fluctuated in 6-6.5, specific gravity in 2-2.5, and property is crisp, has higher compression strength, has to acid
Stronger chemical stability is therefore, strong after capable of effectively improving solidifying priming paint after adding it to epoxy universal primer
Degree.
Preferably, the macromolecule bleeding agent is sulfosuccinate polymer solution.
Preferably, the solidification regulator be one of trisphenol, nonyl phenol, catechol and 3- methylphenol or
It is several.
A kind of preparation method of low surface treatment epoxy thickness slurry paint, comprising the following steps:
Prepare component A:
S1, by epoxy-modified phenolic resin and 30%~35% dimethylbenzene mixed dissolution after that predissolve liquid is made is spare；
S2, dispersion cylinder is successively put into the dimethylbenzene requirement in parts by weight of low-molecular-weight epoxy resin and 32%~39%
In, 5~18 min of high speed dispersion makes it be uniformly dispersed；
Pigment is added under S3, high speed dispersion, and disperses 15~45min, it is made to be uniformly dispersed；
Wetting dispersing agent is added under S4, high speed dispersion, and disperses 5~25 min, activates pigment sufficiently；
S5, requirement in parts by weight are successively added sagging auxiliary agent and anticorrosive packing into dispersion cylinder, and high speed dispersion is to thin
≤ 30 μm of degree, and 25~45min is kept under the conditions of temperature 55~60；
S6, the equipment and apparatus that overall process will be cleaned using 25%~30% dimethylbenzene, the xylene solution after cleaning are turned
It moves on in dispersion cylinder, the predissolve liquid in S1 is added in moderate-speed mixer, until stirring evenly, remaining dimethylbenzene is added, stirs again
It mixes uniformly；
Preparation B component: phenolic aldehyde amine, polyetheramine, polyamide, solidification regulator, wetting dispersing agent, anti-corrosion is replaced to fill out long-chain
Material, dimethylbenzene and macromolecule bleeding agent require to be uniformly mixed by weight;
It is by weight that 9~10:1 carries out uniformly being mixed to prepare finished product low surface treatment epoxy thickness slurry by component A and B component
Paint.
Preferably, in S5 the preparation method of anticorrosive packing be by micaceous iron oxide, mica powder, trbasic zinc phosphate, feldspar powder and
The requirement of talcum powder by weight is separately added to be uniformly mixed in mixer.
Preferably, the revolving speed of the blender of high-speed stirred is 900~1100rpm, the revolving speed of the blender of moderate-speed mixer
For 500~900rpm.
In conclusion the invention has the following advantages:
1. volume solid content is greater than 80%, solvent content is few, and VOC is lower；
2. single layer film thickness can achieve 300 μm, or higher；
3. though the surface for being handled but still being had corrosion can be coated on；
4. can be coated on the used paint layer surface of multiple coating, and priming paint can be made certainly, can be covered by a variety of finishing coats.
Specific embodiment
Embodiment one,
Prepare component A:
S1, predissolve liquid will to be made after 10kg epoxy-modified phenolic resin and 1.5kg dimethylbenzene mixed dissolution spare；
S2, the dimethylbenzene of 20kg low-molecular-weight epoxy resin and 1.6kg are successively put into the dispersion tank, high speed dispersion 5~
18 min, make it be uniformly dispersed；
5kg pigment is added under S3, high speed dispersion, and disperses 15~45min, it is made to be uniformly dispersed；
The full methyl polysiloxane of 0.5kg and 0.5kg siloxanes tripolymer are added under S4, high speed dispersion, and disperses 5~25
Min activates pigment sufficiently；
S5, successively addition 1kg sagging auxiliary agent and 20kg anticorrosive packing into dispersion cylinder, high speed dispersion to fineness≤30 μm,
And 25~45min is kept under the conditions of temperature 55~60；
S6, the equipment and apparatus that overall process will be cleaned using the dimethylbenzene of 1.3kg, the xylene solution after cleaning are transferred to
In dispersion cylinder, the predissolve liquid in S1 is added in moderate-speed mixer, until stirring evenly, remaining dimethylbenzene is added, and is again stirring for
It is even；
Preparation B component: replace phenolic aldehyde amine, 5kg polyetheramine, 5kg polyamide, 2.5kg trisphenol, 2.5kg adjacent 5kg long-chain
The full methyl polysiloxane of benzenediol, 0.5kg, 0.5kg siloxanes tripolymer, 10kg anticorrosive packing, 5kg dimethylbenzene and 5kg high score
Sub- bleeding agent requires to be uniformly mixed by weight;
It is by weight that 9:1 carries out uniformly being mixed to prepare finished product low surface treatment epoxy thickness slurry paint by component A and B component.
Embodiment two,
Prepare component A:
S1, predissolve liquid will to be made after 30kg epoxy-modified phenolic resin and 4.5kg dimethylbenzene mixed dissolution spare；
S2,50kg low-molecular-weight epoxy resin and 5.8kg dimethylbenzene are successively put into the dispersion tank, high speed dispersion 5~18
Min makes it be uniformly dispersed；
15kg pigment is added under S3, high speed dispersion, and disperses 15~45min, it is made to be uniformly dispersed；
1.2kg siloxanes tripolymer and 1.8kg annular siloxane are added under S4, high speed dispersion, and disperses 5~25 min,
Activate pigment sufficiently；
S5, successively addition 3kg sagging auxiliary agent and 40kg anticorrosive packing into dispersion cylinder, high speed dispersion to fineness≤30 μm,
And 25~45min is kept under the conditions of temperature 55~60；
S6, the equipment and apparatus that overall process will be cleaned using 4.5kg dimethylbenzene, the xylene solution after cleaning are transferred to point
It dissipates in cylinder, the predissolve liquid in S1 is added in moderate-speed mixer, until stirring evenly, remaining dimethylbenzene is added, and is again stirring for uniformly；
Preparation B component: 20kg long-chain is replaced into phenolic aldehyde amine, 20kg polyetheramine, 20kg polyamide, 7kg nonyl phenol, 8kg 3-
Methylphenol, 1.2kg siloxanes tripolymer, 1.8kg annular siloxane, 30kg anticorrosive packing, 15kg dimethylbenzene and 15kg high score
Sub- bleeding agent is uniformly mixed;
It is by weight that 10:1 carries out uniformly being mixed to prepare finished product low surface treatment epoxy thickness slurry paint by component A and B component.
Embodiment three,
Prepare component A:
S1, predissolve liquid will to be made after 20kg epoxy-modified phenolic resin and 3.3kg dimethylbenzene mixed dissolution spare；
S2,35kg low-molecular-weight epoxy resin and 3.5kg dimethylbenzene are successively put into the dispersion tank, high speed dispersion 5~18
Min makes it be uniformly dispersed；
10kg pigment is added under S3, high speed dispersion, and disperses 15~45min, it is made to be uniformly dispersed；
The full methyl polysiloxane of 1kg and 1kg annular siloxane are added under S4, high speed dispersion, and disperses 5~25 min, makes
Pigment sufficiently activates；
2kg sagging auxiliary agent and 30kg anticorrosive packing, high speed point is successively added in S5, requirement in parts by weight into dispersion cylinder
Fineness≤30 μm are dissipated to, and keep 25~45min under the conditions of temperature 55~60；
S6, the equipment and apparatus that overall process will be cleaned using the dimethylbenzene of 2.7kg, the xylene solution after cleaning are transferred to
In dispersion cylinder, the predissolve liquid in S1 is added in moderate-speed mixer, until stirring evenly, remaining dimethylbenzene is added, and is again stirring for
It is even；
Preparation B component: by 12.5kg long-chain replace phenolic aldehyde amine, 12.5kg polyetheramine, 12.5kg polyamide, 3kg trisphenol,
7kg 3- methylphenol, the full methyl polysiloxane of 1kg, 1kg annular siloxane, 20kg anticorrosive packing, 10kg dimethylbenzene and 10kg
Macromolecule bleeding agent requires to be uniformly mixed by weight;
It is by weight that 9.5:1 carries out uniformly being mixed to prepare finished product low surface treatment epoxy thickness slurry by component A and B component
Paint.
Example IV,
Prepare component A:
S1, predissolve liquid will to be made after 20kg epoxy-modified phenolic resin and 3.3kg dimethylbenzene mixed dissolution spare；
S2,50kg low-molecular-weight epoxy resin and 3.0kg dimethylbenzene are successively put into the dispersion tank, high speed dispersion 5~18
Min makes it be uniformly dispersed；
5kg pigment is added under S3, high speed dispersion, and disperses 15~45min, it is made to be uniformly dispersed；
The full methyl polysiloxane of 1kg and 1kg annular siloxane are added under S4, high speed dispersion, and disperses 5~25 min, makes
Pigment sufficiently activates；
1kg sagging auxiliary agent and 40kg anticorrosive packing, high speed point is successively added in S5, requirement in parts by weight into dispersion cylinder
Fineness≤30 μm are dissipated to, and keep 25~45min under the conditions of temperature 55~60；
S6, the equipment and apparatus that overall process will be cleaned using the dimethylbenzene of 2.5kg, the xylene solution after cleaning are transferred to
In dispersion cylinder, the predissolve liquid in S1 is added in moderate-speed mixer, until stirring evenly, remaining dimethylbenzene is added, and is again stirring for
It is even；
Preparation B component: 12.5kg long-chain is replaced into phenolic aldehyde amine, 5kg polyetheramine, 20kg polyamide, 5kg nonyl phenol, 10kg
The full methyl polysiloxane of catechol, 1kg, 1kg annular siloxane, 10kg anticorrosive packing, 10kg dimethylbenzene and 15kg macromolecule
Bleeding agent requires to be uniformly mixed by weight;
It is by weight that 9:1 carries out uniformly being mixed to prepare finished product low surface treatment epoxy thickness slurry paint by component A and B component.
Starching paint and Commercial epoxy priming paint to embodiment one to finished product low surface treatment epoxy thickness made of example IV
And commercially available alcohol acid primer is detected, and following result is obtained:
| Detection project | Commercial epoxy priming paint | Commercially available alcohol acid primer | Embodiment one | Embodiment two | Embodiment three | Example IV | Technical goal |
| Solid content w% | 64 | 50 | 87 | 89 | 88 | 87 | / |
| Surface drying | 2 | 4 | 4 | 4 | 4 | 4 | / |
| Do solid work/h | 24 | 24 | 17 | 22 | 19 | 19.5 | ≤24 |
| Working life/h | 6 | Nothing | 4 | 4 | 4 | 4 | / |
| Adhesive force/mpa | 5 | 3 | 6 | 7 | 6 | 7 | ≥5 |
| Flexibility | 2 | 2 | 2 | 1 | 2 | 1 | ≤2 |
| Resistance to salt water | 96 pass through | 96 pass through | 96 pass through | 96 pass through | 96 pass through | 96 pass through | 96 |
| Salt fog resistance h | 320 | 160 | 401 | 423 | 410 | 405 | 120 |
| Finishing coat is fitted Ying Xing | It needs mating | It is mating invariably with alkyd finish Good phenomenon can not be with high-performance It paints mating | It is mating without bad with any paint Phenomenon | It is mating without bad with any paint Phenomenon | It is mating without bad with any paint Phenomenon | With any mating equal nothing of paint Bad phenomenon | Without bad existing As |
| Application property | Generally, it thick can not apply | Generally, it thick can not apply | Well, primary to apply 300 μm, it does not flow It hangs | Well, primary to apply 400 μm, it does not flow It hangs | Well, primary to apply 400 μm, it does not flow It hangs | Well, primary to apply 300 μm, no Sagging | Pass through |
| With other paint Matching | It can not be with alkyd, rubber Glue, the oil such as acrylic acid It paints mating | It can be oily with alkyd chlorination glue etc. It is mating to paint old paint film | It can match with various types of paint used paint layer Set plays bottom phenomenon, attachment without lifting Power is good | It can match with various types of paint used paint layer Set plays bottom phenomenon, attachment without lifting Power is good | It can match with various types of paint used paint layer Set plays bottom phenomenon, attachment without lifting Power is good | It can be with the various types of old paint of paint The mating no lifting of layer, it is existing to play bottom As adhesive force is good | / |
Therefore, from the point of view of above-mentioned testing result, the low surface treatment epoxy thickness slurry paint processing in the present invention is much excellent
In the adhesive force and corrosion-resistant performance of common epoxy primer and alcohol acid primer on sale on the market, meanwhile, though it can be coated on
The surface of corrosion is handled but still had, can be also coated on the used paint layer surface of multiple coating, and priming paint can be made certainly, it can be a variety of
Finishing coat is covered.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (4)
1. a kind of low surface treatment epoxy thickness slurry paint, which is characterized in that according to parts by weight, including
Component A:
20~50 parts of low-molecular-weight epoxy resin
10~30 parts of epoxy-modified phenolic resin
1~3 part of sagging auxiliary agent
1~3 part of wetting dispersing agent
5~15 parts of pigment
20~40 parts of anticorrosive packing
5~15 parts of dimethylbenzene；
B component:
Long-chain replaces 5~20 parts of phenolic aldehyde amine
5~20 parts of polyetheramine
5~20 parts of polyamide
5~15 parts of regulator of solidification
1~3 part of wetting dispersing agent
10~30 parts of anticorrosive packing
5~15 parts of dimethylbenzene
5~15 parts of sulfosuccinate polymer solution；
The wetting dispersing agent is one or both of full methyl polysiloxane and annular siloxane, and the solidification regulator is
One or more of trisphenol, nonyl phenol, catechol and 3- methylphenol, the anticorrosive packing include micaceous iron oxide,
Mica powder, trbasic zinc phosphate, feldspar powder and talcum powder.
2. a kind of low surface treatment epoxy thickness slurry paint, it is characterised in that: according to parts by weight, including
Component A:
35 parts of low-molecular-weight epoxy resin
20 parts of epoxy-modified phenolic resin
2 parts of sagging auxiliary agent
2 parts of wetting dispersing agent
10 parts of pigment
30 parts of anticorrosive packing
10 parts of dimethylbenzene；
B component:
Long-chain replaces 12.5 parts of phenolic aldehyde amine
12.5 parts of polyetheramine
12.5 parts of polyamide
10 parts of regulator of solidification
2 parts of wetting dispersing agent
20 parts of anticorrosive packing
10 parts of dimethylbenzene
10 parts of sulfosuccinate polymer solution,
The wetting dispersing agent is one or both of full methyl polysiloxane and annular siloxane, and the solidification regulator is
One or more of trisphenol, nonyl phenol, catechol and 3- methylphenol, the anticorrosive packing include micaceous iron oxide,
Mica powder, trbasic zinc phosphate, feldspar powder and talcum powder.
3. a kind of preparation method of low surface treatment epoxy thickness slurry paint as claimed in claim 1 or 2, comprising the following steps:
Prepare component A:
S1, by epoxy-modified phenolic resin and 30%~35% dimethylbenzene mixed dissolution after that predissolve liquid is made is spare；
S2, the dimethylbenzene requirement in parts by weight of low-molecular-weight epoxy resin and 32%~39% is successively put into the dispersion tank,
5~18 min of high speed dispersion, makes it be uniformly dispersed；
Pigment is added under S3, high speed dispersion, and disperses 15~45min, it is made to be uniformly dispersed；
Wetting dispersing agent is added under S4, high speed dispersion, and disperses 5~25 min, activates pigment sufficiently；
S5, requirement in parts by weight are successively added sagging auxiliary agent and anticorrosive packing into dispersion cylinder, and high speed dispersion to fineness≤
30 μm, and 25~45min is kept under the conditions of temperature 55~60；
S6, using 25%~30% dimethylbenzene cleaning overall process equipment and apparatus, the xylene solution after cleaning is transferred to point
It dissipates in cylinder, the predissolve liquid in S1 is added in moderate-speed mixer, until stirring evenly, remaining dimethylbenzene is added, and is again stirring for uniformly；
Preparation B component: by long-chain replaces phenolic aldehyde amine, polyetheramine, polyamide, solidify regulator, wetting dispersing agent, anticorrosive packing,
Dimethylbenzene and sulfosuccinate polymer solution require to be uniformly mixed by weight;
It is by weight that 9~10:1 carries out uniformly being mixed to prepare finished product low surface treatment epoxy thickness slurry paint by component A and B component.
4. a kind of preparation method of low surface treatment epoxy thickness slurry paint according to claim 3, it is characterised in that: high speed point
The revolving speed of scattered blender is 900~1100rpm, and the revolving speed of the blender of middling speed dispersion is 500~900rpm.
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| CN113929875A (en) * | 2021-11-19 | 2022-01-14 | 上海固密特新材料科技有限公司 | Curing agent for epoxy interface agent suitable for being used in humid environment, epoxy interface agent and application of curing agent |
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Non-Patent Citations (1)
| Title |
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| 《低表面处理低VOC通用型环氧底漆的制备》;盛晔等;《技术研发》;20120930;第27卷(第9期);第54-57页 |
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