CN109679460A - A kind of preparation method of concrete paint - Google Patents

A kind of preparation method of concrete paint Download PDF

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Publication number
CN109679460A
CN109679460A CN201811476484.1A CN201811476484A CN109679460A CN 109679460 A CN109679460 A CN 109679460A CN 201811476484 A CN201811476484 A CN 201811476484A CN 109679460 A CN109679460 A CN 109679460A
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CN
China
Prior art keywords
agent
scale
stirred
concrete
method described
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811476484.1A
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Chinese (zh)
Inventor
赵进阶
李彪
杨勇新
邹经
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Central Research Institute of Building and Construction Co Ltd MCC Group
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Central Research Institute of Building and Construction Co Ltd MCC Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Central Research Institute of Building and Construction Co Ltd MCC Group filed Critical Central Research Institute of Building and Construction Co Ltd MCC Group
Priority to CN201811476484.1A priority Critical patent/CN109679460A/en
Publication of CN109679460A publication Critical patent/CN109679460A/en
Pending legal-status Critical Current

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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
    • C09D163/10—Epoxy resins modified by unsaturated compounds
    • 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
    • C09D7/61—Additives non-macromolecular inorganic
    • 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
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • 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
    • 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
    • C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
    • 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
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

The present invention provides a kind of preparation methods of concrete paint, this method comprises: aqueous acrylic modified epoxy resin and deionized water are added in stirred tank, and stir evenly；Levelling agent, defoaming agent, dispersing agent and pigment are added in stirred tank, and is stirred evenly, and the first solution is formed；Quartz sand, scale and chopped strand are uniformly mixed in blender, the first solution being stirred is added；Thickener, drier and coalescing agent are added in blender, are stirred paint, are obtained concrete paint.Using the invention enables prepared concrete paints can extend building service performance and durability while guaranteeing the appearance of Shimizu concrete building construction.

Description

A kind of preparation method of concrete paint
Technical field
This application involves technical field of concrete more particularly to a kind of preparation methods of concrete paint.
Background technique
Concrete is increasingly becoming most large one of the construction material in China due to its excellent workability and economic performance, For existing huge scale of construction concrete construction, how to guarantee its endurance quality, concrete construction is made preferably to play its work Performance, expanding economic benefit is the problem of researcher is exploring always.
Currently, concrete protective measure can be divided mainly into chemical method and physical method.Chemical method mainly passes through and adds Add infiltration to enter concrete surface layer, reacted with inside concrete component, blocks the hole of concrete structure；Physical method is then It is usually contacted by isolation concrete surface and extraneous, prevents concrete from being corroded by external substance.Since physical method has Preferable economy and endurance quality, mostly protect concrete to corrode from the external world using physical method at present in engineering.
Clear-water concrete is a concept in the awfully hot door of building field in the recent period, it is not due to doing any accessory decoration, directly Connect the finish using the surface effect of cast-in-place concrete as product, smooth surface, uniform color, corner angle are clearly demarcated, without damaged And pollution, it appears it is very simple, serious, meet the aesthetic of the city people now.
But since this trailing is directly exposed in atmospheric environment by concrete, concrete mortar is by daily ring The influence of border variation, is easy to crack.And when concrete cracking, not only damage the appearance of building, but also the corruption that building will be accelerated Erosion process reduces the service life of building, causes unnecessary economic loss.
Summary of the invention
In view of this, the present invention provides a kind of preparation method of concrete paint, so that prepared concrete Coating can extend building service performance and durability while guaranteeing the appearance of Shimizu concrete building construction.
Technical solution of the present invention is specifically achieved in that
A kind of preparation method of concrete paint, this method comprises:
Aqueous acrylic modified epoxy resin and deionized water are added in stirred tank, and stirs evenly；
Levelling agent, defoaming agent, dispersing agent and pigment are added in stirred tank, and is stirred evenly, and the first solution is formed；
Quartz sand, scale and chopped strand are uniformly mixed in blender, the first solution being stirred is added；
Thickener, drier and coalescing agent are added in blender, are stirred paint, are obtained concrete paint；
Wherein, the concrete paint being prepared includes each component of following mass fraction:
45~65 parts of aqueous acrylic modified epoxy resin, 25~45 parts of deionized water, 20~30 parts of quartz sand, scale 15 ~25 parts, 1~8 part of chopped strand, 2~5 parts of coalescing agent, 1~5 part of silane coupling agent, 0.8~3 part of dispersing agent, levelling agent 0.5~3 part, 0.8~5 part of defoaming agent, 0.5~5 part of thickener, 1~4 part of drier, 0.6~1 part of pigment.
Preferably, the size of the quartz sand is 80~120 mesh.
Preferably, the dimensions of the scale is 200~300 mesh.
Preferably, the scale is glass flake or basalt scale.
Preferably, the chopped strand is polypropylene fibre, polyvinyl alcohol, any one in basalt fibre.
Preferably, the defoaming agent is polyethers defoaming agent, organic silicon defoaming agent, one in silicon ether copolymerization defoaming agent Kind is several.
Preferably, the dispersing agent is fatty acid dispersing agent, aliphatic amide type dispersing agent, one in esters dispersing agent Kind is several；
The levelling agent is that the polyether-polyurethane association type rheology of 25% solid content helps.
Preferably, the pigment is mica iron ash；
Alternatively, the pigment is any one in rutile type titanium white, iron oxide red, carbon black, phthalocyanine blue or dark green Kind.
Preferably, the coalescing agent be Lauryl Alcohol ester, hexylene glycol monobutyl ether acetate or propylene-glycol ethyl ether one kind or It is several；
The thickener can be one or more of association type polyurethane thickener.
Preferably, being carried out using silane coupling agent to scale and quartz sand before being stirred to scale and quartz sand Surface modification treatment.
As above as it can be seen that in the preparation method of concrete paint in the present invention, in aqueous acrylic modified epoxy resin In be added to quartz sand, the materials such as scale and chopped strand, be prepared one kind in appearance and texture with clear-water concrete It is similar, but performance of resisting cracking and endurance quality are superior to the concrete paint of conventional cement mortar, so that prepared coagulation Native coating can be while guaranteeing the appearance of Shimizu concrete building construction, and the architectural appearance for avoiding clear-water concrete is easy out It splits, disadvantage not convenient for safeguarding, extends building service performance and durability, reduce maintenance cost, increase economic efficiency.
Detailed description of the invention
Fig. 1 is the flow chart of the preparation method of the concrete paint in the embodiment of the present invention.
Specific embodiment
For technical solution of the present invention and advantage is more clearly understood, below in conjunction with drawings and the specific embodiments, to this Invention is described in further detail.
In an embodiment of the present invention, the concrete paint includes each component of following mass fraction:
45~65 parts of aqueous acrylic modified epoxy resin, 25~45 parts of deionized water, 20~30 parts of quartz sand, scale 15 ~25 parts, 1~8 part of chopped strand, 2~5 parts of coalescing agent, 1~5 part of silane coupling agent, 0.8~3 part of dispersing agent, levelling agent 0.5~3 part, 0.8~5 part of defoaming agent, 0.5~5 part of thickener, 1~4 part of drier, 0.6~1 part of pigment.
In addition, preferably, the size of the quartz sand is 80~120 mesh in a specific embodiment of the invention.
In addition, preferably, the dimensions of the scale is 200~300 mesh in a specific embodiment of the invention.
In addition, preferably, the scale can be glass flake or basalt squama in a specific embodiment of the invention Piece.It wherein, is excellent with basalt scale.
In addition, preferably, the chopped strand can be polypropylene fibre, gather in a specific embodiment of the invention Any one in vinyl alcohol, basalt fibre.
In addition, preferably, the defoaming agent can be polyethers defoaming agent, have in a specific embodiment of the invention One or more of machine silicon class defoaming agent, silicon ether copolymerization defoaming agent.
In addition, preferably, in a specific embodiment of the invention, the dispersing agent can for fatty acid dispersing agent, One or more of aliphatic amide type dispersing agent, esters dispersing agent.
In addition, preferably, the levelling agent can be the polyethers of 25% solid content in a specific embodiment of the invention Polyurethane association type rheology helps.
In addition, in the inventive solutions, unused pigment can be used according to the needs of practical application.
For example, preferably, if necessary to concrete color, then the pigment can in a specific embodiment of the invention Think mica iron ash；And if necessary to other colors, then the pigment can also be rutile type titanium white, iron oxide red, carbon Any one in black, phthalocyanine blue or dark green.
In addition, preferably, in a specific embodiment of the invention, the coalescing agent can for Lauryl Alcohol ester, oneself The one or more of glycol monobutyl ether acetate or propylene-glycol ethyl ether.
In addition, preferably, the thickener can thicken in a specific embodiment of the invention for association type polyurethane One or more of agent.
In addition, in the inventive solutions, additionally providing a kind of preparation method of concrete paint.
Fig. 1 is the flow chart of the preparation method of the concrete paint in the embodiment of the present invention.As shown in Figure 1, of the invention The preparation method of concrete paint in embodiment comprises the following steps that
Step 11, aqueous acrylic modified epoxy resin and deionized water are added in stirred tank, and stirs evenly.
Step 12, levelling agent, defoaming agent, dispersing agent and pigment are added in stirred tank, and is stirred evenly, and form first Solution.
Step 13, quartz sand, scale and chopped strand are uniformly mixed in blender, it is molten that first be stirred is added Liquid.
Step 14, thickener, drier and coalescing agent are added in blender, stirs paint, obtain concrete painting Material.
Through the above steps 11~14, above-mentioned concrete paint can be prepared.
In addition, scale and quartz sand are all inorganic material filler, there is hydrophilic and oleophobic property, binding force is not in organic coating It is enough, it is difficult evenly dispersed in organic media, section defect is easy to cause, so that coating overall performance declines.Silane coupling agent Molecular formula in have simultaneously can be with the chemically combined reactive group of organic material (for example, synthetic resin) and can be with inorganic material Expect (for example, glass, silica sand etc.) chemically combined reactive group.
Therefore, in the inventive solutions, can also make further before being stirred to scale and quartz sand Surface modification treatment is carried out to scale and quartz sand with silane coupling agent, to improve quartz sand and scale well in coating point Dissipate non-uniform phenomenon.
For example, preferably, in a specific embodiment of the invention, it is described to scale and quartz sand carry out surface it is modified at Reason comprises the following steps that
Step 31, absolute alcohol and distilled water are mixed, silane coupling agent is added, stirs evenly, forms the dilute of coupling agent Release solution；
Step 32, scale or quartz sand are placed in the dilute solution of coupling agent, by scale after impregnating 1~4 hour Or quartz sand filters out, and naturally dry；
Step 33, the scale after drying or quartz sand are placed in baking box and are dried.
After drying, can by after drying scale or quartz sand be fitted into it is damp proof spare in polybag.
Therefore, through the above steps 31~33, the surface modification treatment to scale and quartz sand can be completed.
In addition, preferably, in a specific embodiment of the invention, the absolute alcohol, distilled water and silane coupling agent Quality proportioning be 10:1:1~4.
In addition, preferably, the temperature of the baking box is 100~150 Celsius in a specific embodiment of the invention Degree.
In the inventive solutions, scale refers to that metal and certain inorganic compounds are either physically or chemically handled Afterwards, become the thin slice of certain partial size and thickness.Common scale has: glass flake, mica flake, micaceous iron oxide scale, stone Black scale, allumen scale, stainless steel flakes and basalt scale etc..In concrete paint of the invention, due to mixed Scale material in solidifying soil coating is overlapping arrangement, can generate special " labyrinth " effect, coating is not only divided into many Small space can effectively obstruct the erosion of extraneous medium, increase seepage distance, effectively improve the anti-permeability performance of coating；Except this Surfoyl also there is excellent corrosion resistance, thermal expansion coefficient is small and endurance quality is good；Meanwhile scale also have it is certain The wearability and cracking resistance of coating can be enhanced in mechanical strength.
In addition, since the size of scale is micron order, the mainly microfissure that scale is limited.So at this In the above-mentioned concrete paint of invention, it is also added into chopped strand, therefore larger size can also be limited by chopped strand Crackle, so as on different scales enhance coating cracking resistance.
In addition, above-mentioned concrete paint of the invention is one kind using aqueous acrylic modified epoxy resin as matrix, with stone Support system of the sand as structure, scale and chopped strand play interstructural connection function, can make up fault of construction, Enhance the cracking resistance of coating.Therefore, above-mentioned concrete paint of the invention can be used as the appearance coating of Shimizu concrete building construction, Be allowed to avoid while having appearance similar with conventional cement mortar clear-water concrete architectural appearance be easy cracking, Disadvantage not convenient for safeguarding extends building service performance and durability so as to keep the ornamental value of building, reduce maintenance at This, increases economic efficiency, application market potentiality are big.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.

Claims (10)

1. a kind of preparation method of concrete paint, which is characterized in that this method comprises:
Aqueous acrylic modified epoxy resin and deionized water are added in stirred tank, and stirs evenly；
Levelling agent, defoaming agent, dispersing agent and pigment are added in stirred tank, and is stirred evenly, and the first solution is formed；
Quartz sand, scale and chopped strand are uniformly mixed in blender, the first solution being stirred is added；
Thickener, drier and coalescing agent are added in blender, are stirred paint, are obtained concrete paint；
Wherein, the concrete paint being prepared includes each component of following mass fraction:
45~65 parts of aqueous acrylic modified epoxy resin, 25~45 parts of deionized water, 20~30 parts of quartz sand, scale 15~25 Part, 1~8 part of chopped strand, 2~5 parts of coalescing agent, 1~5 part of silane coupling agent, 0.8~3 part of dispersing agent, levelling agent 0.5~3 Part, 0.8~5 part of defoaming agent, 0.5~5 part of thickener, 1~4 part of drier, 0.6~1 part of pigment.
2. according to the method described in claim 1, it is characterized by:
The size of the quartz sand is 80~120 mesh.
3. according to the method described in claim 1, it is characterized by:
The dimensions of the scale is 200~300 mesh.
4. according to the method described in claim 1, it is characterized by:
The scale is glass flake or basalt scale.
5. according to the method described in claim 1, it is characterized by:
The chopped strand is polypropylene fibre, polyvinyl alcohol, any one in basalt fibre.
6. according to the method described in claim 1, it is characterized by:
The defoaming agent is one or more of polyethers defoaming agent, organic silicon defoaming agent, silicon ether copolymerization defoaming agent.
7. according to the method described in claim 1, it is characterized by:
The dispersing agent is one or more of fatty acid dispersing agent, aliphatic amide type dispersing agent, esters dispersing agent；
The levelling agent is that the polyether-polyurethane association type rheology of 25% solid content helps.
8. according to the method described in claim 1, it is characterized by:
The pigment is mica iron ash；
Alternatively, the pigment is any one in rutile type titanium white, iron oxide red, carbon black, phthalocyanine blue or dark green.
9. according to the method described in claim 1, it is characterized by:
The coalescing agent is the one or more of Lauryl Alcohol ester, hexylene glycol monobutyl ether acetate or propylene-glycol ethyl ether；
The thickener can be one or more of association type polyurethane thickener.
10. according to the method described in claim 1, it is characterized by:
Before being stirred to scale and quartz sand, scale and quartz sand are carried out at the modification of surface using silane coupling agent Reason.
CN201811476484.1A 2018-12-04 2018-12-04 A kind of preparation method of concrete paint Pending CN109679460A (en)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113831817A (en) * 2021-10-03 2021-12-24 烟台华恒节能科技有限公司 Water-based acid rain resistant heat insulation coating and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102585637A (en) * 2011-01-11 2012-07-18 扬州市伊丽特高分子材料科技有限公司 Water-based epoxy grafted acrylic ester concrete anticorrosive paint and preparation method thereof
CN104845501A (en) * 2015-05-15 2015-08-19 北京金汇利应用化工制品有限公司 Coating containing water-based acrylic fatty acid modified epoxy resin and preparation method of coating
CN106978041A (en) * 2017-03-21 2017-07-25 东南大学 A kind of preparation method of water-base epoxy basalt flake anticorrosive paint

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102585637A (en) * 2011-01-11 2012-07-18 扬州市伊丽特高分子材料科技有限公司 Water-based epoxy grafted acrylic ester concrete anticorrosive paint and preparation method thereof
CN104845501A (en) * 2015-05-15 2015-08-19 北京金汇利应用化工制品有限公司 Coating containing water-based acrylic fatty acid modified epoxy resin and preparation method of coating
CN106978041A (en) * 2017-03-21 2017-07-25 东南大学 A kind of preparation method of water-base epoxy basalt flake anticorrosive paint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113831817A (en) * 2021-10-03 2021-12-24 烟台华恒节能科技有限公司 Water-based acid rain resistant heat insulation coating and preparation method thereof

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