CN107673697A - A kind of chromatic microcapsule concrete and preparation method thereof - Google Patents
A kind of chromatic microcapsule concrete and preparation method thereof Download PDFInfo
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- CN107673697A CN107673697A CN201711030176.1A CN201711030176A CN107673697A CN 107673697 A CN107673697 A CN 107673697A CN 201711030176 A CN201711030176 A CN 201711030176A CN 107673697 A CN107673697 A CN 107673697A
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- pigment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Micro-Capsules (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of chromatic microcapsule concrete and preparation method thereof, the concrete includes the component that following parts by weight represent, 0 50 parts of aggregate, 100 parts of cement, 10 50 parts of composite dye, 0.5 5 parts of water reducer, 0 50 parts of water, wherein, composite dye exists in the form of microcapsules, microcapsules are prepared by resin and pigment, and the weight of pigment is 10% the 100% of water-base resin weight.The color concrete is while concrete strength is provided, the not fugitive color of composite dye existing for microencapsulation form, improves the overall durability of color concrete.
Description
Technical field
The present invention relates to building material field technology, more particularly to a kind of chromatic microcapsule concrete and preparation method thereof.
Background technology
Traditional mattess, road surface color are single uninteresting.As new type colorful concrete material is in building field
Constantly application, makes people have colorful urban road, beautiful industry ground slab and jewelly architectural appearance, is advantageous to
The coordinating and unifying of structures and natural environment, to further lifting heavy construction overall image great significance for design.
At present, color concrete allotment mainly has three kinds of modes：Top layer colouring (spraying or press mold), chemical dyeing method and
Integral colouring method.Top layer colouring and chemical dyeing method are all to carry out padding, this side to it after concrete formation
Method is easy to implement, but drenches with rain meeting to surface because concrete need to be chronically exposed to outer, long-term mechanical friction and/or expose to the weather
Dyed layer have a negative impact, are supported sufficient early stage and later stage so the color concrete of this surface treatment needs to obtain
Shield.And the concrete of current integral colouring is the simple agitation mixing that traditional concrete and pigment are carried out to physics mostly,
Although bulk dyeing, most concrete and dyestuff associativity are bad, can cause the scattered inequality of pigment exposed to outer for a long time
The problems such as even, concrete strength not enough ftractures, later stage concrete fades.
Therefore, it is necessary to a kind of new color concrete and preparation method thereof is provided to solve the above problems.
The content of the invention
One aspect of the present invention is to provide a kind of chromatic microcapsule concrete, and the concrete includes following parts by weight table
The component shown, aggregate 0-50 parts, 100 parts of cement, composite dye 10-50 parts, water reducer 0.5-5 parts.Water 0-50 parts, wherein, it is multiple
Close dyestuff in the form of microcapsules to exist, microcapsules are prepared by resin and pigment, and the weight of pigment is water-base resin weight
The 10%-100% of amount.
One aspect of the present invention is to provide a kind of preparation method of chromatic microcapsule concrete, including：By aggregate, water
Water reducer is processed into the size of needs and is homogenized in advance for mud, microcapsules composite dye；Matched somebody with somebody according to weight than continuously
Material；The aggregate prepared and cement are put into mixer, stir 1-2 minutes；Add microcapsules composite dye, 2-3 points of stirring
Clock；Water is added, stirs 1-2 minutes；Water reducer is eventually adding, 2-3 minutes is stirred, obtains the chromatic microcapsule concrete.
The present invention has clear advantage and beneficial effect compared with prior art, specifically：By interfacial polymerization come
Make pigment microencapsulation, the microcapsules composite dye for being embedded with pigment can be obtained, the same of specific ionization state can be obtained first
The more novel colorimetric properties of pigment.Secondly the influence of external environment can be resisted and keep pigment colour-fast for a long time.Finally, it is micro-
Encapsulated composite dye can be uniformly dispersed in concrete system, will not cause the uneven of color, and does not influence to mix
The solidifying soil intensity of itself.
Embodiment
Below in conjunction with embodiments of the invention, clear and complete description is carried out to technical scheme.
This application discloses a kind of chromatic microcapsule concrete, the concrete includes the component that following parts by weight represent, bone
Material 0-50 parts, 100 parts of cement, composite dye 10-50 parts, water reducer 0.5-5 parts, water 0-50 parts, wherein, composite dye is with micro- glue
The form of capsule is present, and microcapsules are prepared by resin and pigment, and the weight of pigment is the 10%- of water-base resin weight
100%.
Aggregate used in concrete can be divided into fine aggregate and coarse aggregate according to its particle size difference.To ensure concrete
Quality, aggregate technical performance is required to include：Objectionable impurities content is few, have good grain shape, bonds jail with cement
Gu, stable performance etc..In some embodiments, the aggregate of chromatic microcapsule concrete includes fine aggregate and coarse aggregate, wherein
Fine aggregate main component is sand, and the main component of coarse aggregate is stone.In some embodiments, aggregate can only include thin
Aggregate or coarse aggregate.
In some embodiments, the cement in chromatic microcapsule concrete is white portland cement, is with iron oxide
The low lime stone of content, white clay, silica are primary raw material, sintered to obtain the clinker using calcium silicates as main mineral composition, then
Handled through quenching, add that proper amount of gypsum is levigate forms.For white portland cement while intensity is not reduced, color and luster is pure white, can
Configure the concrete of a variety of colors.Wherein, the whiteness of white portland cement is more than or equal to 80.Higher is being required to quality of colour
Application in, the whiteness of white cement is more than 87.In some embodiments, the cement in chromatic microcapsule concrete is ordinary silicon
Acid salt cement, i.e. ash concrete, the color concrete as that need to obtain dark color, then can use ash concrete, that is, save cost, also not
Too much influence can be produced to color.
Water reducer is a kind of under conditions of maintaining concrete slump to be basically unchanged, and can reduce the coagulation of mixing water amount
Native additive.There is peptizaiton to cement granules after adding concrete mix, reduce unit consumption of water, improve concrete mixing
The mobility of thing.In the present embodiment, water reducer is poly carboxylic acid series water reducer.In other embodiments, water reducer can be with
Other high efficiency water reducing agents for selecting water-reducing rate to be more than 20%, such as naphthalene series high-efficiency water-reducing agent, aliphatic high-efficiency water reducing agent and amino
High efficiency water reducing agent.
The concrete of the application introduces resin, in some embodiments, curing agent is also included in concrete, passes through tree
The solidification crosslinking of fat, enhances the intensity and hardness of concrete after laying, and closely knit surface is formed in concrete surface, improves
Its performance such as heat-resisting, water-fast, corrosion-resistant.Wherein, curing agent is selected from aliphatic amine, aromatic amines, amide groups amine, latent solid
Change the one or more in amine, urea substitute.In some embodiments, the colored coagulation of resin and curing agent is included
Soil can not add water.
To realize that the other compositions such as color concrete (1) pigment and cement uniformly mix, avoid the formation of aberration；(2) in sun
Can be durable colour-fast in light and air；(3) pigment and other compositions are completely embedded, and do not influence concrete self-strength.The application
Composite dye in middle chromatic microcapsule concrete exists in the form of microcapsules, wherein microcapsules prepared by resin and pigment and
Into.In some embodiments, composite dye can be powder or solid, and in some embodiments, composite dye can be
Emulsion or suspension.
Polyurethane resin, carbamide resin and polyurethane/polyurea resin crosslinks are selected from suitable for the resin of the application microcapsules
One kind in polymer.
In some embodiments, the resin for forming microcapsules is polyurethane-type.The polyurethane-type resin can pass through
At least two reagents are obtained by interfacial polymerization or in-situ polycondensation reaction, including isocyanates reagent and alcohol and/or amine
There are at least three identical or different functional groups to ensure crosslinking function for reagent, one of which.According to the structure of resin and gather
Reaction condition is closed, two kinds of microcapsules, the microcapsules and reservoir type microcapsules of matrix type can be formed.In some embodiment party
In formula, microcapsules are reservoir type, and wherein resin forms the shell of different-thickness, and pigment is embedded in the shell or core of microcapsules
Form and be embedded with the microcapsules for being encapsulated pigment.In some embodiments, microcapsules are matrix type, and wherein resin is formed
Continuous mesh, pigment is dispersed in mesh.Specific preparation method will be discussed in detail below.
Pigment in the application is selected from all pigment that can be used in the association areas such as building, pavement marker.
In some embodiments, pigment is selected from inorganic pigment.Inorganic pigment has sun-proof, heat-resisting, weather-proof, solvent resistance
It is good, the advantage such as strong covering power, cheap.The pigment is selected from Chinese white oxidation and admired, and titanium dioxide is admired；Black pigment iron oxide；
Brown burnt ochre or iron oxide brown；Viridine green chromium oxide, chromium hydroxide；Blue pigment cobalt oxide；Light yellow pigment oxygen
Change iron oxide yellow, yellow ocher；Pink pigment iron oxide red；Rose red iron oxide red；Cream-colored pigment iron oxide yellow；Crocus
One or more in pigment titanium, black manganese dioxide, cobalt blue, titanium white ultramarine blue.
In some embodiments, pigment is selected from organic pigment.Inorganic pigment has that chromatogram is complete, bright-colored pure,
Advantages such as strong coloring force, but portioned product is fast light, weather-proof, poor solvent resistance, the good price of partial properties is again costly.This Shen
Please in composite dye pigment is wrapped in can be very good in microcapsules improve the fast light, weather-proof of organic pigment, solvent resistance.
Wherein, one or more of the organic pigment in AZOpigments, phthalocyanine color, triaryl methane pigment, polycyclic pigment.
In some embodiments, pigment is selected from the mixture of organic pigment and inorganic pigment, while meets high chroma
With two kinds of advantages of high-weatherability.
In some embodiments, the formula of chromatic microcapsule concrete also includes that concrete workability and oneself can be improved
The flyash of density, be advantageous to resist the miberal powder of extraneous sulfate attack, be slump retaining agent, protective agent, defoamer, cellulose, anti-
One or more in ultra-violet absorber, but this is not limited to, in other embodiments, it can also include being adapted to specific use
Way or the other components with other functional characteristics.
The application further discloses a kind of preparation method of chromatic microcapsule concrete, including aggregate, cement, microcapsules are multiple
Close dyestuff, water reducer is processed into the size of needs and is homogenized in advance；According to weight than carrying out continuous batching；The aggregate that will be prepared
Put into cement in mixer, stir 1-2 minutes；Microcapsules composite dye is added, stirs 2-3 minutes；Water is added, is stirred
1-2 minutes；Water reducer is eventually adding, 2-3 minutes is stirred, obtains the chromatic microcapsule concrete.Wherein, the compound dye of microcapsules
Pigment is wrapped in resin microcapsule and formed by material by interfacial polymerization.
In some embodiments, chromatic microcapsule composite dye is specifically prepared and included：
1. organic phase is dispersed with isocyanates and pigment, wherein isocyanates is selected from methyl diphenylene diisocyanate, first
Phenylene diisocyanate, 4,4 '-methyl diphenylene diisocyanate, the one or more in IPDI；
2. aqueous phase dissolved has the compound and neopelex of hydroxyl and/or amido；
3. mixing organic phase and aqueous phase, polyvinyl alcohol protective colloid is added according to required particle diameter, with ultrasonoscope in height
Emulsified under shearing；
4. polymerisation occurs under conditions of presence or absence of catalyst；
5. obtain microcapsules composite dye using the isolation and purification method such as filtering or centrifugation.
In some embodiments, it is additionally included in proper step and adds in the process of chromatic microcapsule concrete
Enter the one or more in flyash, miberal powder, slump retaining agent, protective agent, defoamer, cellulose, ultraviolet-resistant absorbent, formed special
Determine purposes or the chromatic microcapsule concrete with particular characteristic.
In some embodiments, the durability of pigment is not only relevant with microcapsule structure, goes back and the intensity of concrete has
Close, therefore select the proportioning of suitable concrete raw material and adjustment suitably to obtain the concrete of high intensity, pigment can be improved
Endurance quality, and then improve the performance of the application chromatic microcapsule concrete.E.g., including but it is not limited to, aggregate selection contains mud
Measure the fine aggregate and coarse aggregate of low good evenness；Cement selection is not less than 42.5 grades of white cements containing the low intensity of basicity；In formula
Add the additives such as high efficiency water reducing agent, flyash, miberal powder；The ratio of mud is between 0.3-0.4 etc..
Make further details of non-limiting description to the application with reference to embodiment.
Embodiment
The preparation method of chromatic microcapsule concrete, comprises the following steps：
Step 1：The components such as aggregate, cement, microcapsules composite dye, polycarboxylate water-reducer, flyash, miberal powder are processed into
The size that needs simultaneously is homogenized in advance；
Step 2：According to weight than carrying out continuous batching；
Step 3：The aggregate prepared, cement, flyash, miberal powder etc. are put into mixer, stir 1-2 minutes；
Step 4：Microcapsules composite dye is added, stirs 2-3 minutes；
Step 5：Water is added, stirs 1-2 minutes；
Step 6：Polycarboxylate water-reducer is eventually adding, 2-3 minutes is stirred, obtains the chromatic microcapsule concrete.
The mass fraction for differing only in each component of each embodiment is different, each component quality in comparative example, embodiment 1-4
Number is as shown in table 2 below.
Table 2：
The above-mentioned description to embodiment is understood that for the ease of those skilled in the art and using this hair
It is bright.Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein
General Principle is applied in other embodiments without paying performing creative labour.Therefore, the invention is not restricted to implementation here
Example, those skilled in the art make according to the content of present disclosure in the case where not departing from scope and spirit of the present invention
Improve and change all within the scope of the present invention.
Claims (10)
- A kind of 1. chromatic microcapsule concrete, it is characterised in that：Include the raw material of following parts by weight：Aggregate：0-50 parts；Cement：100 parts；Composite dye：10-50 parts；Water reducer：0.5-5 parts；AndWater：0-50 parts；Wherein, the composite dye exists in the form of microcapsules, and the microcapsules are prepared by resin and pigment, and described The weight of pigment is the 10%-100% of the weight resin.
- 2. chromatic microcapsule concrete as claimed in claim 1, it is characterised in that the cement be white portland cement or Portland cement, the whiteness of the white portland cement are more than 80.
- 3. chromatic microcapsule concrete as claimed in claim 1, it is characterised in that the water reducer is polycarboxylic-acid diminishing Agent, water-reducing rate are more than 20%, and the aggregate includes fine aggregate and coarse aggregate, and the fine aggregate is sand, and the coarse aggregate is stone Son.
- 4. chromatic microcapsule concrete as claimed in claim 1, it is characterised in that also including curing agent：1-20 parts are described solid One or more in agent aliphatic amine, aromatic amines, amide groups amine, latent solidification amine, urea substitute.
- 5. chromatic microcapsule concrete as claimed in claim 1, it is characterised in that the composite dye microcapsules are to pass through boundary Face polymerization or in situ Polycondensation method are prepared.
- 6. chromatic microcapsule concrete as claimed in claim 1, it is characterised in that the microcapsules are reservoir type, wherein institute The shell that resin forms different-thickness is stated, the pigment is embedded in the shell or core of the microcapsules and forms embedding There are the microcapsules for being encapsulated pigment.
- 7. the chromatic microcapsule concrete as described in claim 1 or 6, it is characterised in that the resin be selected from polyurethane resin, One kind in carbamide resin and polyurethane/polyurea resin crosslinks polymer.
- 8. the chromatic microcapsule concrete as described in claim 1 or 6, it is characterised in that the pigment is inorganic pigment or nothing The composite pigment of machine pigment and organic pigment composition, the inorganic pigment are selected from oxidation pigment, iron oxide pigment, chromium oxide face by the emperor himself Material, chromium hydroxide colors, pigment of cobalt oxide, manganese dioxide pigment, cobalt blue dye, one kind in titanium white ultramarine blue pigment or several Kind.
- A kind of 9. preparation method of chromatic microcapsule concrete, it is characterised in that：Aggregate, cement, microcapsules composite dye and water reducer are processed into the size of needs and are homogenized in advance；According to weight than carrying out continuous batching；The aggregate prepared and cement are put into mixer, stir 1-2 minutes；Microcapsules composite dye is added, stirs 2-3 minutes；Water is added, stirs 1-2 minutes；AndWater reducer is added, 2-3 minutes is stirred, obtains the chromatic microcapsule concrete.
- 10. preparation method as claimed in claim 9, it is characterised in that including：Pigment is wrapped in resin microcapsule shell by interfacial polymerization, forms the microcapsules composite dye.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711030176.1A CN107673697A (en) | 2017-10-30 | 2017-10-30 | A kind of chromatic microcapsule concrete and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711030176.1A CN107673697A (en) | 2017-10-30 | 2017-10-30 | A kind of chromatic microcapsule concrete and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041746A (en) * | 2006-03-24 | 2007-09-26 | 欧莱雅集团 | Composite dyestuff of microcapsule type and cosmetic use thereof |
| CN102584144A (en) * | 2012-02-14 | 2012-07-18 | 北京新航建材集团有限公司 | Color concrete and preparation method thereof |
| CN102719145A (en) * | 2012-06-29 | 2012-10-10 | 广州大学 | Disperse dye nanocapsule for thermal sublimation digital printing ink-jet ink and preparation method of disperse dye nanocapsule |
| CN102847497A (en) * | 2012-07-05 | 2013-01-02 | 天津大学 | Preparation method and application of nanometer pigment microcapsule |
| CN106365557A (en) * | 2016-08-30 | 2017-02-01 | 派丽(上海)管理有限公司 | Color-changeable colorful masonry mortar |
-
2017
- 2017-10-30 CN CN201711030176.1A patent/CN107673697A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101041746A (en) * | 2006-03-24 | 2007-09-26 | 欧莱雅集团 | Composite dyestuff of microcapsule type and cosmetic use thereof |
| CN102584144A (en) * | 2012-02-14 | 2012-07-18 | 北京新航建材集团有限公司 | Color concrete and preparation method thereof |
| CN102719145A (en) * | 2012-06-29 | 2012-10-10 | 广州大学 | Disperse dye nanocapsule for thermal sublimation digital printing ink-jet ink and preparation method of disperse dye nanocapsule |
| CN102847497A (en) * | 2012-07-05 | 2013-01-02 | 天津大学 | Preparation method and application of nanometer pigment microcapsule |
| CN106365557A (en) * | 2016-08-30 | 2017-02-01 | 派丽(上海)管理有限公司 | Color-changeable colorful masonry mortar |
Non-Patent Citations (1)
| Title |
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| 蒋正武: "《水泥基自修复材料：理论与方法》", 31 January 2018, 同济大学出版社 * |
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