CN106833319B - Waterborne, polycarbonate modified silicasol composite coating and preparation method thereof - Google Patents
Waterborne, polycarbonate modified silicasol composite coating and preparation method thereof Download PDFInfo
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Abstract
Present invention relates particularly to a kind of waterborne, polycarbonate modified silicasol composite coatings and preparation method thereof, belong to technical field of coatings.The composite coating includes following component: polycarbonate modified silica solution, organosilicon auxiliary agent, dispersing agent, rutile type titanium white, talcum powder, powdered whiting, calcined kaolin, coalescing agent, wetting agent, the first thickener, the second thickener, the first defoaming agent, the second defoaming agent, antifreezing agent, antimildew disinfectant, surplus are deionized water.Waterborne, polycarbonate modified silicasol composite coating produced by the present invention has excellent comprehensive performance, and coating hardness can reach 7H, and coating adhesion is 01 grade, and washability number is more than 12000 times, stain resistance 7.9%；Meanwhile the coating surface of waterborne, polycarbonate modified silicasol composite coating produced by the present invention is evenly distributed, is smooth, each component dispersion effect is preferable, basic soilless sticking phenomenon.
Description
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of waterborne, polycarbonate modified silicasol composite coating and its
Preparation method.
Background technique
The high speed development of science and technology, the raising of productivity allow the material life quality of the mankind to obtain very big promotion, simultaneously
Requirement of the people to material life and environment is also higher and higher, and world community all begins to focus on environmental issue.Participate in world's ring
The countries and regions for protecting tissue just constantly increase.Environmental issue is the cardinal task of currently all country.Coatings industry is one
A more special raw material-intensive industry, many organic coatings can use some damage human bodies and environment during manufacturing
Raw material, will form in many harmful gases and waste water, or even a period of time very long after use, still can in production
Lasting release pernicious gas, it is not only harmful to the body of people, pollution also is caused to environment, wastes resource.Twentieth century
Later, global every country discloses Law on Environmental Protection successively, these legal norms are discharged into waste water, exhaust gas and waste residue
It has gone stringent limitation, has started the raw materials for gradually giving up some damage human healths and environment.The development shape of coating industry
Formula is faced with very severe situation, and the dominance of traditional solvent type coating in decades is faced with great challenge,
And the environment-friendly type coatings such as high solid coating, solventless coatings, powdery paints, water paint and photocureable coating are by vast
The favor of scientific worker, countries in the world take many manpower and material resources all to research and develop environmental protection coating material.Water paint belongs to
Environment-friendly materials, the harmful substance contained is very low, can be ignored, and use is very safe, and easy to use, is not answered
Reach the paint film property of solvent based coating with the paint film property of the limitation of occasion, portioned product, and demand is more and more,
Have become the principal item of Coating Market now.But by the end of currently, water paint field remains many need urgently
It must solve the problems, such as.Therefore the performance of water paint is continuously improved, expands the application field of water paint, accelerates water paint
Development is the important task that we must take on.
Water paint kind is very more, and demand and solvent based coating are similar, and use scope is very extensive, includes state
The all spectra of family's construction, silica solution based waterborne coatings are most potential environmental protection coating materials at this stage.Based on silicon sol solution
Want film forming matter, additional pigment, filler, coating additive through high-speed stirred grind it is evenly dispersed after the water paint that is configured to be referred to as
For silica solution based waterborne coatings, the performances such as water resistance, abrasion resistance and anti-pollution are very strong.In the type coating film forming matter
With SiO2It is dispersed in water for unit, H2SiO3For its main molecules form, micelle particle is very small.When analysing glue, SiO2
Activity it is very high, very easily can by the fine particle in coating bond get up, so it apply it is maximum in coating
Advantage is exactly not have back dissolving, and there are also good water resistances.Along with its raw material sources is abundant, cost is also cheaper, it
Itself there are also various other excellent performances, such as the high degree of dispersion of biggish specific surface, higher adsorptivity solution,
When also having many advantages, such as stain resistant, wear-resisting, low in cost, however silica solution is used alone, forms a film usually to will appear under room temperature and split
The deficiencies of trace, internal capillary, stability be poor, paint film bad mechanical property place.Therefore silica solution can generally be changed
Property, with the film forming matter as coating, however there are still following deficiencies for existing modified silicasol water paint at present: the
One, poor water resistance；The second, filming performance is bad, and brittleness is big；Third, hardness are lower.Therefore to modified silicasol water paint
Research is of great significance.
Summary of the invention
The purpose of the present invention is to solve the deficiencies in the prior art, and provide a kind of waterborne, polycarbonate modified silicasol
Composite coating and preparation method thereof, the waterborne, polycarbonate modified silicasol composite coating have excellent physical property.
The present invention adopts the following technical scheme:
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30-36%, organosilicon auxiliary agent 0.1-0.6%, dispersing agent 0.3-0.9%, rutile type titanium white 6.82-
9.04%, talcum powder 4.55-6.02%, powdered whiting 11.36-17.24%, calcined kaolin 1.56-3.09%, film forming help
Agent 0.1~1%, wetting agent 0.05~0.8%, the first thickener 0.008~0.4%, the second thickener 0.012~0.6%,
One defoaming agent 0.05~0.75%, the second defoaming agent 0.05~0.75%, antifreezing agent 0.05~1%, antimildew disinfectant 0.02~
1%, surplus is deionized water, and the sum of each component adds up to 100%.
Further, the polycarbonate modified silica solution is made as follows: weighing silica solution, pH tune is added dropwise
Section agent is adjusted to 9-10, and silane coupling agent is added, is stirred to react, and to the end of reacting, waterborne, polycarbonate is added, high-speed stirred is equal
It is even to get the polycarbonate modified silica solution lotion, wherein the mass ratio of the silane coupling agent and silica solution that are added is 1:
100, the mass ratio of silica solution and polycarbonate is 2:3.
Further, first thickener is thickener HASE-60, and second thickener is thickener OS-
6040。
Further, first defoaming agent is defoaming agent DF-8202, and two defoaming agent is defoaming agent BYK-024.
The present invention also provides the preparation methods of the waterborne, polycarbonate modified silicasol composite coating, including walk as follows
It is rapid:
1) ingredient: each material is accurately weighed according to the formula, under the conditions of 0~50 DEG C, is successively added into dispersion cylinder
The deionized water of deionized water total amount 60%, coalescing agent, wetting agent, pH adjusting agent, dispersing agent, the first defoaming agent, the first increasing
Thick dose, obtain just mixing；
2) it is pre-mixed: first mixing obtained by step 1) being stirred into 20-25min under 400-600r/min, keeps auxiliary agent dispersion equal
It is even；
3) grinding distribution: improving revolving speed to 1300-1500r/min, sequentially adds rutile type titanium white, talcum powder, again
Matter calcium carbonate, calcined kaolin continue to stir 20-25min, fineness of materials are made to be less than 50um；
4) paint: being added dropwise remaining deionized water, turns down revolving speed and is stirred to 400-600r/min, while poly- carbon is added
Acid esters modified silicasol sequentially adds organosilicon auxiliary agent, antifreezing agent, the second defoaming agent, antimildew disinfectant, then is thickened with second
Agent is adjusted to required viscosity to get the waterborne, polycarbonate modified silicasol composite coating.
Compared with prior art, beneficial effects of the present invention:
Waterborne, polycarbonate modified silicasol composite coating produced by the present invention has excellent comprehensive performance, coating hardness
It can reach 7H, coating adhesion is 01 grade, and washability number is more than 12000 times, stain resistance 7.9%；Meanwhile system of the present invention
The coating surface of the waterborne, polycarbonate modified silicasol composite coating obtained is evenly distributed, is smooth, each component dispersion effect
Preferably, basic soilless sticking phenomenon.
Detailed description of the invention
Fig. 1 is the preparation flow figure of waterborne, polycarbonate modified silicasol composite coating of the invention.
Specific embodiment
Below with reference to embodiment, the present invention is described in further detail.
It will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and it should not be regarded as limiting this hair
Bright range.
The model of primary raw material used in the present invention and manufacturer, as shown in table 1:
Raw material are used in the experiment of table 1
Capital equipment and instrument used herein is as shown in table 2 below:
2 laboratory apparatus of table and equipment
The preparation method of waterborne, polycarbonate modified silicasol composite coating, includes the following steps:
1) ingredient: each material is accurately weighed according to the formula, under the conditions of 0~50 DEG C, is successively added into dispersion cylinder
The deionized water of deionized water total amount 60%, coalescing agent, wetting agent, pH adjusting agent, dispersing agent, the first defoaming agent, the first increasing
Thick dose, obtain just mixing；
2) it is pre-mixed: first mixing obtained by step 1) being stirred into 20-25min under 400-600r/min, keeps auxiliary agent dispersion equal
It is even；
3) grinding distribution: improving revolving speed to 1300-1500r/min, sequentially adds rutile type titanium white, talcum powder, again
Matter calcium carbonate, calcined kaolin continue to stir 20-25min, fineness of materials are made to be less than 50um；
4) paint: being added dropwise remaining deionized water, turns down revolving speed and is stirred to 400-600r/min, while poly- carbon is added
Acid esters modified silicasol sequentially adds organosilicon auxiliary agent, antifreezing agent, the second defoaming agent, antimildew disinfectant, then is thickened with second
Agent is adjusted to required viscosity to get the waterborne, polycarbonate modified silicasol composite coating.
The polycarbonate modified silica solution is made as follows: weighing silica solution, pH adjusting agent is added dropwise and is adjusted to
9-10 is added silane coupling agent, is stirred to react, and to the end of reacting, waterborne, polycarbonate is added, high-speed stirred is uniformly to get institute
State polycarbonate modified silica solution lotion, wherein the mass ratio of the silane coupling agent and silica solution that are added be 1:100, silica solution with
The mass ratio of polycarbonate is 2:3.
The proportion of each embodiment is specific as follows:
Embodiment 1
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.1%, dispersing agent 0.3%, rutile type titanium white 6.82%, talcum powder
4.55%, powdered whiting 11.36%, calcined kaolin 1.56%, coalescing agent 1%, wetting agent 0.8%, the first thickener
0.4%, the second thickener 0.6%, the first defoaming agent 0.75%, the second defoaming agent 0.75%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 2
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.1%, dispersing agent 0.3%, rutile type titanium white 6.82%, talcum powder
5.45%, powdered whiting 14.89%, calcined kaolin 2.38%, coalescing agent 0.1%, wetting agent 0.05%, first thicken
Agent 0.008%, the first defoaming agent 0.05%, the second defoaming agent 0.05%, antifreezing agent 0.05%, is prevented second thickener 0.012%
Mould fungicide 0.02%, surplus are deionized water.
Embodiment 3
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.1%, dispersing agent 0.3%, rutile type titanium white 6.82%, talcum powder
6.02%, powdered whiting 17.24%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 4
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.3%, dispersing agent 0.6%, rutile type titanium white 8.81%, talcum powder
4.55%, powdered whiting 11.36%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 5
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.3%, dispersing agent 0.6%, rutile type titanium white 8.18%, talcum powder
5.45%, powdered whiting 14.89%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 6
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.3%, dispersing agent 0.6%, rutile type titanium white 8.18%, talcum powder
6.02%, powdered whiting 17.24%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 7
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.6%, dispersing agent 0.9%, rutile type titanium white 9.04%, talcum powder
4.55%, powdered whiting 11.36%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 8
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.6%, dispersing agent 0.9%, rutile type titanium white 9.04%, talcum powder
5.45%, powdered whiting 14.89%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 9
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.6%, dispersing agent 0.9%, rutile type titanium white 9.04%, talcum powder
6.02%, powdered whiting 17.24, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, the first thickener
0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 10
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.1%, dispersing agent 0.6%, rutile type titanium white 9.04%, talcum powder
4.55%, powdered whiting 14.89%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 11
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.1%, dispersing agent 0.6%, rutile type titanium white 9.04%, talcum powder
5.45%, powdered whiting 17.24%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 12
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.1%, dispersing agent 0.6%, rutile type titanium white 9.04%, talcum powder
6.02%, powdered whiting 11.36%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 13
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.3%, dispersing agent 0.9%, rutile type titanium white 6.82%, talcum powder
4.55%, powdered whiting 14.89%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 14
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.3%, dispersing agent 0.9%, rutile type titanium white 6.82%, talcum powder
5.45%, powdered whiting 17.24%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 15
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.3%, dispersing agent 0.9%, rutile type titanium white 6.82%, talcum powder
6.02%, powdered whiting 11.36%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 16
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.6%, dispersing agent 0.3%, rutile type titanium white 8.18%, talcum powder
4.55%, powdered whiting 14.89%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 17
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.6%, dispersing agent 0.3%, rutile type titanium white 8.18%, talcum powder
5.45%, powdered whiting 17.24%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 18
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 33%, organosilicon auxiliary agent 0.6%, dispersing agent 0.3%, rutile type titanium white 8.18%, talcum powder
6.02%, powdered whiting 11.36%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 19
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.1%, dispersing agent 0.9%, rutile type titanium white 8.18%, talcum powder
4.55%, powdered whiting 17.24%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 20
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.1%, dispersing agent 0.9%, rutile type titanium white 8.18%, talcum powder
5.45%, powdered whiting 11.36%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 21
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.1%, dispersing agent 0.9%, rutile type titanium white 8.18%, talcum powder
6.02%, powdered whiting 14.89%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 22
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.3%, dispersing agent 0.3%, rutile type titanium white 9.04%, talcum powder
4.55%, powdered whiting 17.24%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 23
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.3%, dispersing agent 0.3%, rutile type titanium white 9.04%, talcum powder
5.45%, powdered whiting 11.36%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 24
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.3%, dispersing agent 0.3%, rutile type titanium white 9.04%, talcum powder
6.02%, powdered whiting 14.89%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 25
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.6%, dispersing agent 0.6%, rutile type titanium white 6.82%, talcum powder
4.55%, powdered whiting 17.24%, calcined kaolin 2.38%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 26
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.6%, dispersing agent 0.6%, rutile type titanium white 6.82%, talcum powder
5.45%, powdered whiting 11.36%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 27
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 36%, organosilicon auxiliary agent 0.6%, dispersing agent 0.6%, rutile type titanium white 6.82%, talcum powder
6.02%, powdered whiting 14.89%, calcined kaolin 1.56%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
Embodiment 28
Waterborne, polycarbonate modified silicasol composite coating, including the following component according to mass percent meter: poly- carbonic acid
Ester modified silica solution 30%, organosilicon auxiliary agent 0.6%, dispersing agent 0.6%, rutile type titanium white 6.82%, talcum powder
5.45%, powdered whiting 11.36%, calcined kaolin 3.09%, coalescing agent 0.5%, wetting agent 0.5%, first thicken
Agent 0.3%, the second thickener 0.6%, the first defoaming agent 0.5%, the second defoaming agent 0.5%, antifreezing agent 1%, antimildew disinfectant
1%, surplus is deionized water.
The testing standard of the performance test of coating and coating is as shown in the following table 3 and the following table 4 in the application:
The detection of 3 coating property of table
4 coating performance test method of table
Embodiment 1 to the coating that 28 gained coating of embodiment is formed is tested for the property, as a result as shown in table 5 below:
5 coating performance test result of table
Above 28 groups of embodiments are analyzed, it is found that coating performance corresponding to 3,27,28 3 groups of embodiments is preferable, it is right
This three groups of embodiments carry out depth analysis, and discovery three's comprehensive performance is similar, and used film forming base-material is year-on-year in No. 28 embodiments
6% is reduced, pigments and fillers are also few compared with No. 3 and No. 27 amounts, and in addition the performance of scrubbing of coating film corresponding to three is not much different,
Within standard, in production application, film forming binder and pigments and fillers in coating almost play the price of coating decisive
Effect, so from three last embodiments, preferred best coatings formula of No. 28 embodiments as this experimental verification out.
At room temperature, it is prepared for sample coating and its film according to the formula of most preferred embodiment determined by the application, so
The comprehensive performance of coating and film is tested afterwards, and comprehensive detection analysis result see the table below 6:
The performance indicator of table 6 water paint and coating
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
It is merely illustrated the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also has
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
It is defined by the appending claims and its equivalent thereof.
Claims (4)
1. waterborne, polycarbonate modified silicasol composite coating, which is characterized in that including according to mass percent meter such as the following group
Point: polycarbonate modified silica solution 30-36%, organosilicon auxiliary agent 0.1-0.6%, dispersing agent 0.3-0.9%, rutile titanium dioxide
Powder 6.82-9.04%, talcum powder 4.55-6.02%, powdered whiting 11.36-17.24%, calcined kaolin 1.56-
3.09%, coalescing agent 0.1~1%, wetting agent 0.05~0.8%, the first thickener 0.008~0.4%, the second thickener
0.012~0.6%, first defoaming agent 0.05~0.75%, antifreezing agent 0.05~1%, is prevented second defoaming agent 0.05~0.75%
Mould fungicide 0.02~1%, surplus are deionized water, and the sum of each component adds up to 100%；
The polycarbonate modified silica solution is made as follows: silica solution weighed, pH adjusting agent is added dropwise and is adjusted to 9-10,
Silane coupling agent is added, is stirred to react, to the end of reacting, waterborne, polycarbonate is added, high-speed stirred is uniformly to get the poly- carbon
Acid esters modified silicasol lotion, wherein the mass ratio of the silane coupling agent and silica solution that are added is 1:100, silica solution and poly- carbonic acid
The mass ratio of ester is 2:3.
2. waterborne, polycarbonate modified silicasol composite coating according to claim 1, which is characterized in that described first increases
Thick dose is thickener HASE-60, and second thickener is thickener OS-6040.
3. waterborne, polycarbonate modified silicasol composite coating according to claim 1, which is characterized in that described first disappears
Infusion is defoaming agent DF-8202, and two defoaming agent is defoaming agent BYK-024.
4. the preparation method of waterborne, polycarbonate modified silicasol composite coating described in claim 1, which is characterized in that including
Following steps:
1) ingredient: according to it is described formula accurately weigh each material, under the conditions of 0~50 DEG C, into dispersion cylinder successively addition go from
The deionized water of sub- water inventory 60%, coalescing agent, wetting agent, dispersing agent, the first defoaming agent, the first thickener obtain just mixing；
2) it is pre-mixed: first mixing obtained by step 1) being stirred into 20-25min under 400-600r/min, auxiliary agent is made to be uniformly dispersed；
3) grinding distribution: revolving speed is improved to 1300-1500r/min, sequentially adds rutile type titanium white, talcum powder, heavy carbon
Sour calcium, calcined kaolin continue to stir 20-25min, make fineness of materials less than 50 μm；
4) paint: being added dropwise remaining deionized water, turns down revolving speed and is stirred to 400-600r/min, while polycarbonate is added
Modified silicasol, sequentially adds organosilicon auxiliary agent, antifreezing agent, the second defoaming agent, antimildew disinfectant, then with the second thickener tune
Section is to required viscosity to get the waterborne, polycarbonate modified silicasol composite coating.
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| CN108912751A (en) * | 2018-05-31 | 2018-11-30 | 江西亚龙美氟科技有限公司 | A kind of ceramic paint and its preparation method and application of high fire-retardance high rigidity |
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| CN110947903B (en) * | 2019-12-26 | 2021-07-20 | 湖南洛兰新材料有限公司 | Modified composition of adhesive for titanium alloy investment casting and application thereof |
| CN112708290A (en) * | 2020-12-11 | 2021-04-27 | 北京三棵树新材料科技有限公司 | General inorganic coating with non-combustible function for interior and exterior walls |
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| CN102399483A (en) * | 2011-12-22 | 2012-04-04 | 华南理工大学 | Organic/inorganic composite heat-insulating heat-preserving water-based building coating and preparation method thereof |
| CN105153910A (en) * | 2015-09-27 | 2015-12-16 | 常州市奥普泰科光电有限公司 | Preparing method for water-based strippable paint with modified silicon sol |
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| CN102399483A (en) * | 2011-12-22 | 2012-04-04 | 华南理工大学 | Organic/inorganic composite heat-insulating heat-preserving water-based building coating and preparation method thereof |
| CN105153910A (en) * | 2015-09-27 | 2015-12-16 | 常州市奥普泰科光电有限公司 | Preparing method for water-based strippable paint with modified silicon sol |
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