CN105731977A - Water-tolerant inorganic coating and preparation method thereof - Google Patents
Water-tolerant inorganic coating and preparation method thereof Download PDFInfo
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- CN105731977A CN105731977A CN201610054585.4A CN201610054585A CN105731977A CN 105731977 A CN105731977 A CN 105731977A CN 201610054585 A CN201610054585 A CN 201610054585A CN 105731977 A CN105731977 A CN 105731977A
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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
- C04B28/24—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 alkyl, ammonium or metal silicates; containing silica sols
- C04B28/26—Silicates of the alkali metals
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
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- Ceramic Engineering (AREA)
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Abstract
The invention relates to the technical field of inorganic coating preparation, and in particular to a water-tolerant inorganic coating and a preparation method thereof. The preparation method comprises the following steps: reasonably compounding hydrophobic modified cellulose, multifunctional additives, a defoaming agent, a dispersing agent, a wetting agent, titanium dioxide, coarse whiting, silicone acrylic emulsion, a coalescing agent, potassium silicate, a thickening agent, a coupling agent and water, and adding and mixing the components in different steps, thereby obtaining the water-tolerant inorganic coating. The water-tolerant inorganic coating has the characteristics of being good in water tolerance, good in weather resistance and good in adhesion property.
Description
Technical field
The present invention relates to inorganic coating preparing technical field, be specifically related to a kind of water-fast inorganic coating and preparation method thereof.
Background technology
Inorganic coating is a kind of coating being main film forming substance with inorganic material, is the abbreviation of full-inorganic mineral coating, is widely used in the daily life fields such as building, drawing.Coating conventional in architectural engineering is the aqueous dispersions of alkali metal silicate aqueous solution and silica sol.Use both the above film forming matter, can be made into silicate and Ludox (silica sol) inorganic coating, inorganic coating is by inorganic polymer with through disperseing the metal of activation, metal oxide nano-material, the inorganic polymer coating of rare earth ultrafine powder composition, can with steel structure surface iron atom fast reaction, generation has physics, chemistry double protection, inorganic polymer corrosion-inhibiting coating by chemical bond Yu matrix strong bonded, environmentally safe, long service life, antiseptic property is reached advanced world standards, it is consistent with the high-tech regeneration product of environmental requirement.
It is substantially silicates film forming matter used by current inorganic coating, poor water resistance, coating exterior wall can not through long-term rain drop erosion month after month, if running into long-term rainwater weather, the easy bubble of exterior coating, easily comes off after drying, causes exterior wall mottled, and hold caducous exterior wall paint and be equal to the falling object from high altitude likely come off at any time, serious harm arrives people's.
Summary of the invention
In order to overcome the shortcoming and defect existed in prior art, it is an object of the invention to provide a kind of water-fast inorganic coating, it is good that it has water resistance, and weatherability is strong, the feature that adhesive force is strong.
Another goal of the invention of the present invention is in that the preparation method providing a kind of high-intensity inorganic coating, and it has makes each component good mixing property, and the inorganic coating water resistance obtained is good.
The purpose of the present invention is achieved through the following technical solutions:
A kind of water-fast inorganic coating, is mainly made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 0.3-1.8 part
Multifunctional assistant 0.5-2 part
Dispersant 2.5-5.5 part
Wetting agent 0.5-2 part
Titanium dioxide 25-36 part
Ground calcium carbonate 75-80 part
Silicone acrylic emulsion 20-40 part
Coalescents 1.5-2.5 part
Defoamer 0.2-0.8 part
Potassium silicate 55-75 part
Thickening agent 0.5-2 part
Coupling agent 4-6 part
Water 80-90 part.
Hydrophobically modified celluloses is that a class introduces a small amount of hydrophobic group in strand and has the water-soluble cellulose derivative of " amphiphilic structure ", compared with general water-soluble cellulose derivative carboxymethyl cellulose (CMC) and hydroxyethyl cellulose (HEC), due to the impact of hydrophobic effect in its solution, this kind of modifier has more significant tackifying, heat-resistant salt-resistant and anti-shear stability.The aqueous solution proportion (g/ml) of hydrophobically modified celluloses used in the present invention is 1.3-1.5, it is possible to commercially buy gained, it is preferred to use sub-assorted blue HE10K, it is good that it has thickening effect, improve anti-splashing, reduce the addition of other thickening agents, reduce cost of material.
Multifunctional assistant is also commonly called as AMP-95, it is the moisture content 2-amino-2-methyl-1-propanol containing 5%, the inorganic coating of the present invention adds multifunctional assistant, the dispersibility of coating can be improved, reduce the interpolation of dispersant, also improving the glossiness of coating, multifunctional assistant can give the pH stability that inorganic coating is extremely excellent.The allotment to inorganic coating that controls of pH value is very important, pigment is instigated to be able to stability fully dispersed, that improve in coating system by controlling the pH of the present invention, reduce the corrosivity to storage carrier, and put forward full-bodied stability, improve inorganic coating adhesive force on slippery walls and intensity, it is prevented that come off.The multifunctional assistant of the present invention is preferably used the AMP-95 of Angus, the MA-95 that moral is modest, and the water resistance of the inorganic coating obtained is better.
Silicone acrylic emulsion is that with acrylic monomer, the organic silicon monomer containing unsaturated bond is added suitable auxiliary agent, is coated with, by nucleocapsid, the emulsion that polymerization technique is polymerized.Combine organosilicon fire-resistant, weatherability, chemical-resistant, hydrophobic, surface can low not v ulnerability and the high colour retention of acrylic resin, pliability, tack, add in the inorganic coating of the present invention, improve the high durable of inorganic coating of the present invention, high characteristic water-fast, resistant to pollution.What generally traditional coating adopted is inorganic resin, the coating water-proof poor performance prepared, and water-fast effect is undesirable, and the present invention improves the water resistance of coating by adding silicone acrylic emulsion.
The present invention also added defoamer, reduce the bubble produced in preparation process, dispersant can improve the dispersibility of each component further, improves its uniformity, the addition of wetting agent, solid material can be made to be more easy to be soaked in water, by reducing its surface tension or interfacial tension, allow the water to be deployed on solid material surface, or penetrate its surface, and solid material moistening, improve uniformity and the reaction adequacy each other of coating.Present invention preferably uses the wetting agent of the BD-405 model wetting agent of Tao Shi and Clariant 407CN model, combination property is better.
Propylene glycol, as added solvent, with water and immiscible organic solvent, can have certain cryoprotective effects.
Titanium dioxide and ground calcium carbonate, as main filler part, ground calcium carbonate, are called for short triple superphosphate, are ground formed by natural carbonate mineral such as calcite, marble, limestone.Conventional powdery inorganic filler, have chemical purity height, inertia greatly, not easily chemical reaction, Heat stability is good, will not decompose below 400 DEG C, whiteness is high, oil absorbency is low, index of refraction is low, matter is soft, dry, without advantages such as water of crystallization, the low wearing valve of hardness little, nontoxic, tasteless, odorless, good dispersions.Titanium dioxide is common paint filler, has anti-wadding and makes good use of, the characteristic that anti-decolourization is prominent, weatherability is strong, and strong in combination with the paint adhesion that can make the present invention, water resistance strengthens.
Potassium silicate can improve the adhesive property in coating of the present invention, improves it in the adhesive force of slippery walls and intensity.The potassium silicate of the present invention preferably employs the AH-K of Beijing Australia Chinese1The GHSK product of product or Jiangsu League of Nations.
The present invention also added the multiple additives such as a small amount of thickening agent, coupling agent, coalescents, its dosage is all preferably add by experiment, coordinate other above-mentioned components, the inorganic coating of the present invention obtained possesses high intensity, the feature that adhesion property is strong, the said components reasonable compatibility by the present invention, serves the effect influencing each other, reacting to each other, excellent performance.
Further, a kind of water-fast inorganic coating, mainly it is made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 0.8-1.5 part
Multifunctional assistant 0.5-1 part
Dispersant 3-4.5 part
Wetting agent 0.5-1.5 part
Titanium dioxide 30-36 part
Ground calcium carbonate 75-78 part
Silicone acrylic emulsion 20-30 part
Coalescents 1.5-2 part
Defoamer 0.2-0.5 part
Potassium silicate 55-65 part
Thickening agent 0.5-1 part
Coupling agent 4-6 part
Water 80-90 part.
The combination property of coating is more excellent, and intensity is higher, and adhesive force is better, no matter is applied to which kind of metope, and it can keep water-proofing performance for a long time, is applied to exterior wall, more has very strong anti-marquis's property, waterproof and etch-proof excellent properties.
Wherein, described dispersant is ammonium salt dispersant and the mixing of silicate dispersant, and its mixed weight is than being (1-3): (1.5-2.5).Ammonium salt dispersant large arch dam, versatility is good, and high and viscosity stabilization are imitated in dispersion, especially mineral-type pigment there is extraordinary dispersive property, the ammonia volatilization when coating is dry, becomes the original insoluble form of water, again thus improving the resistance to water of latex paint and high glossiness between such dispersant.
The anti-carbonating performance of silicate dispersant is strong, it is prevented that the invasion and attack of acid rain, water-fast, abrasion resistance good, deflocculation is remarkably productive, and solid content is high, and two kinds of dispersant compound uses can be effectively improved the water resistance of coating of the present invention.
Wherein, described thickening agent is polyurethane thickener.
Wherein, described multifunctional assistant chooses the AMP-95 from Angus or the modest MA-95 of moral.
Wherein, described coupling agent is silane coupler.
Wherein, the viscosity of above-mentioned hydrophobically modified hydroxyethyl cellulose is 30000cps.
Wherein, described wetting agent chooses the BD-405 from Tao Shi or Clariant 407CN.
The preparation method of a kind of water-fast inorganic coating, comprises the following steps:
A, by weight add hydrophobically modified celluloses in water, slow machine 400-600r/min stir 3-8min, until outward appearance without obvious coarse granule.
B, addition multifunctional assistant make hydrophobically modified celluloses be completely dissolved, and are subsequently adding part defoamer, dispersant and the wetting agent slow machine of continuation and stir.
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 15-30min with the speed of 1300-1600r/min.
D, to add after silicone acrylic emulsion stirs under the rotating speed of 500-700r/min, it is subsequently adding the defoamer stirring 8-12min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 90-100KU with thickening agent, namely obtain water-fast inorganic coating.
Wherein, the fineness requirement that described step C completes is 40-50 μm.The 1/3-1/2 that amount is gross mass of the defoamer added in described step B.
By the good mixing property of the high-intensity inorganic coating that said method prepares, the uniformity is high, and the synergism between component is strong, and the inorganic coating intensity obtained is high, and adhesion property is strong.
The beneficial effects of the present invention is: the present invention is by by hydrophobically modified celluloses, multifunctional assistant, defoamer, dispersant, wetting agent, titanium dioxide, ground calcium carbonate, silicone acrylic emulsion, coalescents, potassium silicate, thickening agent, coupling agent and water carry out reasonable composite use, each component reacts, mutually promote between component, influence each other, reduce hydrophilic component in paint film and play its maximum synergism, the inorganic coating obtaining the present invention need not additionally add firming agent, exterior wall can be directly applied to, the water-proofing performance of superelevation is embodied on the surface of smooth substrate, within continuous 72 hours, soak all without bubble, it is effective against the weather environment that exterior wall is complicated, weatherability is strong, exterior wall surface can be sticked to for a long time not burst, do not fall off, do not have water stain mould stain, body of wall light for a long time is as new.
The present invention another advantage is that: by being mixed homogeneously with water elder generation by hydrophobically modified hydroxyethyl cellulose, adding multifunctional assistant again makes hydrophobically modified hydroxyethyl cellulose be completely dissolved, it is subsequently added into defoamer, dispersant and wetting agent continue slow machine and stir, then titanium dioxide and ground calcium carbonate are put into, it is eventually adding coalescents, defoamer, potassium silicate, coupling agent, viscosity is regulated with thickening agent, owing to the present invention relates to various ingredients and material, it has solid, liquid and opaque state, its degree of wetting is different, need to adjust its order adding and mixing according to different characteristics, the inorganic coating the finally given mixed degree uniformity is high, water resistance is good, water-fast persistence is high.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment, the present invention is further illustrated, and the content that embodiment is mentioned not is limitation of the invention.
Embodiment 1
A kind of water-fast inorganic coating, is mainly made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 0.3 part
Multifunctional assistant 2 parts
Dispersant 2.5 parts
Wetting agent 2 parts
Titanium dioxide 25 parts
Ground calcium carbonate 80 parts
Silicone acrylic emulsion 20 parts
Coalescents 2.5 parts
Defoamer 0.2 part
Potassium silicate 75 parts
Thickening agent 0.5 part
Coupling agent 6 parts
80 parts of water.
Described dispersant is ammonium salt dispersant and the mixing of silicate dispersant, and its mixed weight is than for 1:1.5.
Described thickening agent is polyurethane thickener.
Described multifunctional assistant chooses the AMP-95 from Angus.
Described coupling agent is silane coupler.
The viscosity of described hydrophobically modified hydroxyethyl cellulose is 30000cps.
Described wetting agent chooses the BD-405 from Tao Shi.
The preparation method of a kind of water-fast inorganic coating, comprises the following steps:
A, hydrophobically modified celluloses being added to the water by weight, slow machine 400r/min stirs 8min, until outward appearance is without obvious coarse granule.
B, addition multifunctional assistant make hydrophobically modified celluloses be completely dissolved, and are subsequently adding the defoamer of total amount 1/3, dispersant and the wetting agent slow machine of continuation and stir.
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 30min with the speed of 1300r/min.
D, to add after silicone acrylic emulsion stirs under the rotating speed of 500r/min, be subsequently adding the defoamer stirring 12min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 90KU with thickening agent, namely obtain water-fast inorganic coating.
Wherein, the fineness requirement that described step C completes is 40 μm.
Embodiment 2
A kind of water-fast inorganic coating, is mainly made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 1.8 parts
Multifunctional assistant 0.5 part
Dispersant 5.5 parts
Wetting agent 0.5 part
Titanium dioxide 36 parts
Ground calcium carbonate 75 parts
Silicone acrylic emulsion 40 parts
Coalescents 1.5 parts
Defoamer 0.8 part
Potassium silicate 55 parts
Thickening agent 2 parts
Coupling agent 4 parts
80 parts of water.
Described dispersant is ammonium salt dispersant and the mixing of silicate dispersant, and its mixed weight is than for 3:2.5.
Described thickening agent is polyurethane thickener.
Described multifunctional assistant is chosen from the modest MA-95 of moral.
Described coupling agent is silane coupler.
The viscosity of described hydrophobically modified hydroxyethyl cellulose is 30000cps.
Described wetting agent is chosen from Clariant 407CN.
The preparation method of a kind of water-fast inorganic coating, comprises the following steps:
A, hydrophobically modified celluloses being added to the water by weight, slow machine 600r/min stirs 3min, until outward appearance is without obvious coarse granule.
B, addition multifunctional assistant make hydrophobically modified celluloses be completely dissolved, and are subsequently adding the defoamer of total amount 1/3, dispersant and the wetting agent slow machine of continuation and stir.
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 15min with the speed of 1600r/min.
D, to add after silicone acrylic emulsion stirs under the rotating speed of 700r/min, be subsequently adding the defoamer stirring 8min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 100KU with thickening agent, namely obtain water-fast inorganic coating.
Wherein, the fineness requirement that described step C completes is 50 μm.
Embodiment 3
A kind of water-fast inorganic coating, is mainly made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 1 part
Multifunctional assistant 1 part
Dispersant 3.5 parts
Wetting agent 1.5 parts
Titanium dioxide 30 parts
Ground calcium carbonate 78 parts
Silicone acrylic emulsion 30 parts
Coalescents 2 parts
Defoamer 0.5 part
Potassium silicate 65 parts
Thickening agent 1.5 parts
Coupling agent 5 parts
85 parts of water.
Described dispersant is ammonium salt dispersant and the mixing of silicate dispersant, and its mixed weight compares 2:1.5.
Described thickening agent is polyurethane thickener.
Described multifunctional assistant chooses the AMP-95 from Angus.
Described coupling agent is silane coupler.
The viscosity of described hydrophobically modified hydroxyethyl cellulose is 30000cps.
Described wetting agent chooses the BD-405 from Tao Shi.
The preparation method of a kind of water-fast inorganic coating, comprises the following steps:
A, hydrophobically modified celluloses being added to the water by weight, slow machine 500r/min stirs 5min, until outward appearance is without obvious coarse granule.
B, addition multifunctional assistant make hydrophobically modified celluloses be completely dissolved, and are subsequently adding the defoamer of total amount 1/3, dispersant and the wetting agent slow machine of continuation and stir.
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 20min with the speed of 1500r/min.
D, to add after silicone acrylic emulsion stirs under the rotating speed of 600r/min, be subsequently adding the defoamer stirring 10min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 95KU with thickening agent, namely obtain water-fast inorganic coating.
Wherein, the fineness requirement that described step C completes is 45 μm.
Embodiment 4
A kind of water-fast inorganic coating, is mainly made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 0.8 part
Multifunctional assistant 0.5 part
Dispersant 3 parts
Wetting agent 0.5 part
Titanium dioxide 30 parts
Ground calcium carbonate 75 parts
Silicone acrylic emulsion 20 parts
Coalescents 1.5 parts
Defoamer 0.2 part
Potassium silicate 55 parts
Thickening agent 0.5 part
Coupling agent 4 parts
80 parts of water.
Described dispersant is ammonium salt dispersant and the mixing of silicate dispersant, and its mixed weight is than for 1:2.5.
Described thickening agent is polyurethane thickener.
Described multifunctional assistant is chosen from the modest MA-95 of moral.
Described coupling agent is silane coupler.
The viscosity of described hydrophobically modified hydroxyethyl cellulose is 30000cps.
Described wetting agent chooses the BD-405 from Tao Shi.
The preparation method of a kind of water-fast inorganic coating, comprises the following steps:
A, hydrophobically modified celluloses being added to the water by weight, slow machine 600r/min stirs 8min, until outward appearance is without obvious coarse granule.
B, addition multifunctional assistant make hydrophobically modified celluloses be completely dissolved, and are subsequently adding the defoamer of total amount 1/2, dispersant and the wetting agent slow machine of continuation and stir.
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 15min with the speed of 1300r/min.
D, to add after silicone acrylic emulsion stirs under the rotating speed of 700r/min, be subsequently adding the defoamer stirring 12min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 95KU with thickening agent, namely obtain water-fast inorganic coating.
Wherein, the fineness requirement that described step C completes is 45 μm.
Embodiment 5
A kind of water-fast inorganic coating, is mainly made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 1.5 parts
Multifunctional assistant 1 part
Dispersant 4.5 parts
Wetting agent 1.5 parts
Titanium dioxide 36 parts
Ground calcium carbonate 78 parts
Silicone acrylic emulsion 30 parts
Coalescents 2 parts
Defoamer 0.5 part
Potassium silicate 65 parts
Thickening agent 1 part
Coupling agent 6 parts
90 parts of water.
Described dispersant is ammonium salt dispersant and the mixing of silicate dispersant, and its mixed weight is than for 3:2.
Described thickening agent is polyurethane thickener.
Described multifunctional assistant chooses the AMP-95 from Angus.
Described coupling agent is silane coupler.
The viscosity of described hydrophobically modified hydroxyethyl cellulose is 30000cps.
Described wetting agent is chosen from Clariant 407CN.
The preparation method of a kind of water-fast inorganic coating, comprises the following steps:
A, hydrophobically modified celluloses being added to the water by weight, slow machine 600r/min stirs 8min, until outward appearance is without obvious coarse granule.
B, addition multifunctional assistant make hydrophobically modified celluloses be completely dissolved, and are subsequently adding the defoamer of total amount 1/3, dispersant and the wetting agent slow machine of continuation and stir.
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 30min with the speed of 1600r/min.
D, to add after silicone acrylic emulsion stirs under the rotating speed of 700r/min, be subsequently adding the defoamer stirring 12min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 90KU with thickening agent, namely obtain water-fast inorganic coating.
Wherein, the fineness requirement that described step C completes is 40 μm.
Embodiment 6
A kind of water-fast inorganic coating, is mainly made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 1 part
Multifunctional assistant 0.8 part
Dispersant 4 parts
Wetting agent 1.2 parts
Titanium dioxide 32 parts
Ground calcium carbonate 76 parts
Silicone acrylic emulsion 25 parts
Coalescents 1.8 parts
Defoamer 0.3 part
Potassium silicate 60 parts
Thickening agent 0.7 part
Coupling agent 5 parts
85 parts of water.
Described dispersant is ammonium salt dispersant and the mixing of silicate dispersant, and its mixed weight is than for 3:1.5.
Described thickening agent is polyurethane thickener.
Described multifunctional assistant is chosen from the modest MA-95 of moral.
Described coupling agent is silane coupler.
The viscosity of described hydrophobically modified hydroxyethyl cellulose is 30000cps.
Described wetting agent chooses the BD-405 from Tao Shi.
The preparation method of a kind of water-fast inorganic coating, comprises the following steps:
A, hydrophobically modified celluloses being added to the water by weight, slow machine 500r/min stirs 5min, until outward appearance is without obvious coarse granule.
B, add multifunctional assistant and make hydrophobically modified celluloses be completely dissolved, be subsequently adding total amount 1/2 defoamer, dispersant and wetting agent continue slow machine and stir.
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 25min with the speed of 1500r/min.
D, to add after silicone acrylic emulsion stirs under the rotating speed of 650r/min, be subsequently adding the defoamer stirring 10min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 95KU with thickening agent, namely obtain water-fast inorganic coating.
Wherein, the fineness requirement that described step C completes is 45 μm.
The water-fast inorganic coating of the present invention prepared by above-described embodiment is tested through GB/T1733-93 water resistance, it is possible to water-fast 300h, non-foaming, does not fall off.
Above-described embodiment is the present invention preferably implementation, and in addition, the present invention can also realize by alternate manner, and any apparent replacement is all within protection scope of the present invention without departing from the inventive concept of the premise.
Claims (10)
1. a water-fast inorganic coating, it is characterised in that: mainly it is made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 0.3-1.8 part
Multifunctional assistant 0.5-2 part
Dispersant 2.5-5.5 part
Wetting agent 0.5-2 part
Titanium dioxide 25-36 part
Ground calcium carbonate 75-80 part
Silicone acrylic emulsion 20-40 part
Coalescents 1.5-2.5 part
Defoamer 0.2-0.8 part
Potassium silicate 55-75 part
Thickening agent 0.5-2 part
Coupling agent 4-6 part
Water 80-90 part.
2. the water-fast inorganic coating of one according to claim 1, it is characterised in that: mainly it is made up of the raw material of following weight portion:
Hydrophobically modified hydroxyethyl cellulose 0.8-1.5 part
Multifunctional assistant 0.5-1 part
Dispersant 3-4.5 part
Wetting agent 0.5-1.5 part
Titanium dioxide 30-36 part
Ground calcium carbonate 75-78 part
Silicone acrylic emulsion 20-30 part
Coalescents 1.5-2 part
Defoamer 0.2-0.5 part
Potassium silicate 55-65 part
Thickening agent 0.5-1 part
Coupling agent 4-6 part
Water 80-90 part.
3. the water-fast inorganic coating of one according to claim 1, it is characterised in that: described dispersant is ammonium salt dispersant and the mixture of silicate dispersant, and its mixed weight is than for 1-3:1.5-2.5.
4. the water-fast inorganic coating of one according to claim 1, it is characterised in that: described thickening agent is polyurethane thickener.
5. the water-fast inorganic coating of one according to claim 1, it is characterised in that: described multifunctional assistant chooses the AMP-95 from Angus or the modest MA-95 of moral.
6. the water-fast inorganic coating of one according to claim 1, it is characterised in that: described coupling agent is silane coupler.
7. the water-fast inorganic coating of one according to claim 1, it is characterised in that: the viscosity of described hydrophobically modified hydroxyethyl cellulose is 30000cps.
8. the water-fast inorganic coating of one according to claim 1, it is characterised in that: described wetting agent chooses the BD-405 from Tao Shi or Clariant 407CN.
9. the preparation method of a kind of water-fast inorganic coating described in any one of claim 1-8, it is characterised in that: comprise the following steps:
A, by weight hydrophobically modified celluloses is added to the water, stirs 3-8min with 400-600r/min, until outward appearance is without obvious coarse granule；
B, addition multifunctional assistant make hydrophobically modified celluloses be completely dissolved, and are subsequently adding part defoamer, dispersant and the wetting agent slow machine of continuation and stir；
C, treat that material mixes completely and put into titanium dioxide and ground calcium carbonate afterwards, then stir 15-30min with the speed of 1300-1600r/min；
D, add after silicone acrylic emulsion stirs under the rotating speed of 500-700r/min, it is subsequently adding the defoamer stirring 8-12min of coalescents and surplus, and then add potassium silicate, coupling agent, finally adjust viscosity to 90-100KU with thickening agent, namely obtain water-fast inorganic coating.
10. the preparation method of a kind of water-fast inorganic coating according to claim 9, it is characterised in that: the fineness of materials of described step C processing requires as 40-50 μm.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148510A (en) * | 2017-12-28 | 2018-06-12 | 苏州科技大学 | A kind of normal temperature self-drying type inorganic nano material adhesive |
| CN109575659A (en) * | 2019-01-29 | 2019-04-05 | 北京莱恩斯新材料科技有限公司 | A kind of inorganic silicate coating and its preparation method and application |
| CN110395965A (en) * | 2019-08-19 | 2019-11-01 | 广东狮力德建材有限公司 | It is a kind of to remove aldehyde interior wall coating and preparation method thereof by the inorganic of filler material of conch meal |
| CN110951340A (en) * | 2019-11-10 | 2020-04-03 | 卞广汉 | Environment-friendly coating |
| CN112011200A (en) * | 2020-08-27 | 2020-12-01 | 山东韩师傅新材料有限公司 | High-weather-resistance self-cleaning inorganic building coating and preparation method thereof |
| CN112724720A (en) * | 2020-12-23 | 2021-04-30 | 江苏永阳新材料科技有限公司 | Water-based environment-friendly inorganic paint for interior walls and preparation method thereof |
| CN113214690A (en) * | 2021-06-16 | 2021-08-06 | 泫然(山东)新材料科技有限公司 | Preparation method of high-performance silicate coating |
| CN113667332A (en) * | 2021-09-03 | 2021-11-19 | 福建省三棵树新材料有限公司 | Liquid inorganic silicate paint for color-adjustable inner wall and preparation method thereof |
| CN113717557A (en) * | 2020-05-25 | 2021-11-30 | 富思特新材料科技发展股份有限公司 | Self-layering inorganic hydrophobic coating material and preparation method thereof |
| CN113955976A (en) * | 2021-12-02 | 2022-01-21 | 华筑绿建(北京)科技有限公司 | Nano inorganic gel modifier and preparation method thereof |
| CN114773887A (en) * | 2022-04-22 | 2022-07-22 | 广西经正涂料有限公司 | Inorganic exterior wall heat insulation coating and preparation method thereof |
| CN115521646A (en) * | 2022-08-12 | 2022-12-27 | 河北铂润工贸科技有限公司 | Water-resistant and impact-resistant high-temperature-resistant inorganic coating and preparation method thereof |
| CN115785714A (en) * | 2022-12-15 | 2023-03-14 | 南通远洋船舶配套有限公司 | Water-resistant paint for ship deck and preparation method thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148510A (en) * | 2017-12-28 | 2018-06-12 | 苏州科技大学 | A kind of normal temperature self-drying type inorganic nano material adhesive |
| CN109575659A (en) * | 2019-01-29 | 2019-04-05 | 北京莱恩斯新材料科技有限公司 | A kind of inorganic silicate coating and its preparation method and application |
| CN110395965A (en) * | 2019-08-19 | 2019-11-01 | 广东狮力德建材有限公司 | It is a kind of to remove aldehyde interior wall coating and preparation method thereof by the inorganic of filler material of conch meal |
| CN110951340A (en) * | 2019-11-10 | 2020-04-03 | 卞广汉 | Environment-friendly coating |
| CN113717557A (en) * | 2020-05-25 | 2021-11-30 | 富思特新材料科技发展股份有限公司 | Self-layering inorganic hydrophobic coating material and preparation method thereof |
| CN112011200A (en) * | 2020-08-27 | 2020-12-01 | 山东韩师傅新材料有限公司 | High-weather-resistance self-cleaning inorganic building coating and preparation method thereof |
| CN112724720A (en) * | 2020-12-23 | 2021-04-30 | 江苏永阳新材料科技有限公司 | Water-based environment-friendly inorganic paint for interior walls and preparation method thereof |
| CN113214690A (en) * | 2021-06-16 | 2021-08-06 | 泫然(山东)新材料科技有限公司 | Preparation method of high-performance silicate coating |
| CN113667332A (en) * | 2021-09-03 | 2021-11-19 | 福建省三棵树新材料有限公司 | Liquid inorganic silicate paint for color-adjustable inner wall and preparation method thereof |
| CN113955976A (en) * | 2021-12-02 | 2022-01-21 | 华筑绿建(北京)科技有限公司 | Nano inorganic gel modifier and preparation method thereof |
| CN114773887A (en) * | 2022-04-22 | 2022-07-22 | 广西经正涂料有限公司 | Inorganic exterior wall heat insulation coating and preparation method thereof |
| CN115521646A (en) * | 2022-08-12 | 2022-12-27 | 河北铂润工贸科技有限公司 | Water-resistant and impact-resistant high-temperature-resistant inorganic coating and preparation method thereof |
| CN115785714A (en) * | 2022-12-15 | 2023-03-14 | 南通远洋船舶配套有限公司 | Water-resistant paint for ship deck and preparation method thereof |
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