CN105331230A - Environment-friendly waterproof coating and preparation method thereof - Google Patents
Environment-friendly waterproof coating and preparation method thereof Download PDFInfo
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- CN105331230A CN105331230A CN201510686308.0A CN201510686308A CN105331230A CN 105331230 A CN105331230 A CN 105331230A CN 201510686308 A CN201510686308 A CN 201510686308A CN 105331230 A CN105331230 A CN 105331230A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides an environment-friendly waterproof coating and a preparation method thereof. The environment-friendly waterproof coating comprises the following compositions: a polymer emulsion, water, gamma-aminopropylvinyldimethoxysilane, 2-hydroxyethyl-4-isothiazoline-3-one, a wetting agent, sorbitol, a thickening agent, hydroxypropyl carboxymethyl cellulose, a binder, an antifoaming agent, a dispersant, an additive, a filler and a nanometer powder. By taking a mixture of silicone-acrylate emulsion and vinyl acetate-acrylate emulsion as the raw material, the coating is endowed with relatively high elasticity; by taking gamma-aminopropylvinyldimethoxysilane as a waterproof agent, the coating is substantially improved in antiseepage waterproof performances; by taking 2-hydroxyethyl-4-isothiazoline-3-one as an antiseptic of the coating, the coating is further improved in anticorrosion performance; and by employing hydroxypropyl carboxymethyl cellulose, the coating is improved in comprehensive performances. Therefore, the prepared environment-friendly waterproof coating possesses good waterproof performance, anticorrosion performance, anti-ageing performance and low volatile organics content, and accords with environment protection requirements.
Description
Technical field
The present invention relates to technical field of coatings, particularly relate to a kind of environment-friendly waterproof paint and preparation method thereof.
Background technology
At present, the decoration coating of construction wall can be divided into exterior wall coating and interior wall coating, generally use traditional coating, most of coating is wherein confined to possess elastomeric feature, its water tolerance and water resistance poor, tensile strength is low, and sticking power is also relatively low, therefore general only for upholstery.
Along with the raising that people require living environment quality, the decoration of external wall is also more and more paid attention to.But Indoor environment is different from exterior decoration, external wall often accepts uviolizing and wind and weather, therefore requires that exterior wall coating possesses higher waterproof, the performance such as corrosion-resistant, anti-aging.
In prior art, general many containing benzene homologues in the component of coating used for building exterior wall or solvent, exist toxicity large, there is the problem such as volatile gases, environmental pollution, the requirement of environmental protection can not be met.Inner wall of building coating, except requiring that coating has except higher elasticity, crack resistence performance, also has strict restriction to formaldehyde in coating and benzene homologues content, requires that the benzene homologues in coating and formaldehyde content can not exceed standard, meets the requirement of environmental protection.Therefore, the present inventor considers, develops a kind of environmental protection coating material with excellent waterproof, corrosion-resistant, ageing resistance, can meet the environment-friendly waterproof paint of architecture indoor external application, be of great practical significance.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of environment-friendly waterproof paint and preparation method thereof, and this environment-friendly waterproof paint has good water resistance, corrosion resistance nature, ageing resistance, and volatile organic content is low.
In view of this, the invention provides a kind of environment-friendly waterproof paint, comprise following composition:
Described polymer emulsion is organosilicon crylic acid latex and acrylate and vinyl acetate emulsion.
Preferably, described wetting agent is lauric acid sodium sulfonate of ethoxylated.
Preferably, described thickening material is vinylchlorid-vinyl laurate-alkylmethacrylate polymer rubber powder.
Preferably, described binding agent is polyvinyl acetate (PVA).
Preferably, described defoamer is amino-polyether siloxanes.
Preferably, described dispersion agent is (2-ethylhexyl) amber sodium sulfonate.
Preferably, described admixture is pimelinketone.
Preferably, described stopping composition is zinc methacrylate.
Preferably, described nano-powder is nano zine oxide and nano-titanium oxide.
Accordingly, the present invention also provides a kind of preparation method of environment-friendly waterproof paint, comprise the following steps: 1-2 parts by weight of thickening agent, 2-2.5 weight part hydroxypropyl carboxy methyl Mierocrystalline cellulose, 3-5 weight part stopping composition and 8-10 weight part nano-powder are mixed, after stirring, obtains the first Preblend; By 55-60 parts by weight polymer emulsion, 15-20 weight parts water, 0.6-1 weight part γ-aminopropyl vinyl dimethoxysilane, 0.8-1 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.3-0.5 weight part wetting agent, 1.0-1.4 weight part sorbyl alcohol, 1.0-1.5 parts by weight binder, 0.3-0.5 parts per weight dispersing agent and 1-2 weight part admixture high-speed stirring in stirred pot, obtain the second Preblend, described polymer emulsion is organosilicon crylic acid latex and acrylate and vinyl acetate emulsion; In described second Preblend, add described first Preblend, after stirring, add 0.6-1 weight part defoamer, after continuing stirring, obtain environment-friendly waterproof paint.
The invention provides a kind of environment-friendly waterproof paint and preparation method thereof, comprise following composition: polymer emulsion, water, γ-aminopropyl vinyl dimethoxysilane, 2-hydroxyethyl-4-isothiazoline-3-ketone, wetting agent, sorbyl alcohol, thickening material, hydroxypropyl carboxy methyl Mierocrystalline cellulose, binding agent, defoamer, dispersion agent, admixture, stopping composition, nano-powder.Compared with prior art, the present invention for raw material, gives the elasticity that coating is higher with organosilicon crylic acid latex and acrylate and vinyl acetate emulsion mixture; Using γ-aminopropyl vinyl dimethoxysilane as water-resisting agent, greatly improve the antiseepage water resistance of dope layer; 2-hydroxyethyl-4-isothiazoline-3-ketone, as the sanitas of coating, improves the antiseptic property of coating further; Adopt hydroxypropyl carboxy methyl Mierocrystalline cellulose, improve the over-all properties of coating.Therefore, environment-friendly waterproof paint prepared by the present invention has good water resistance, corrosion resistance nature, ageing resistance, and volatile organic content is low, meets the requirement of environmental protection.
Embodiment
In order to understand the present invention further, below in conjunction with embodiment, the preferred embodiment of the invention is described, but should be appreciated that these describe just for further illustrating the features and advantages of the present invention, instead of limiting to the claimed invention.
The embodiment of the invention discloses a kind of environment-friendly waterproof paint, comprise following composition:
Described polymer emulsion is organosilicon crylic acid latex and acrylate and vinyl acetate emulsion.
The above-mentioned environment-friendly waterproof paint provided is applicable to architecture indoor wall face, does not contain the objectionable constituent such as any formaldehyde and benzene homologues, can meet the requirement of environmental protection in the raw material adopted and admixture component.
The present invention for raw material, gives the elasticity that coating is higher with the mixture of organosilicon crylic acid latex and acrylate and vinyl acetate emulsion.Preferably, the volume ratio of described organosilicon crylic acid latex and acrylate and vinyl acetate emulsion is preferably 0.8-1.2: 0.8-1.2, is more preferably 0.9-1.1: 0.9-1.1, most preferably is 1: 1.
The present invention is using γ-aminopropyl vinyl dimethoxysilane as water-resisting agent, and it is with hydrophobic and hydrophilic radical, and can ensure its abundant dispersion in emulsion, the product after hydrolysis has strong-hydrophobicity energy, thus greatly improves the antiseepage water resistance of dope layer.The present invention is using 2-hydroxyethyl-4-isothiazoline-3-ketone as sanitas, and it has excellent broad-spectrum antimicrobial characteristic, gives coating and has good preservative effect, meet the requirement for anticorrosion for indoor paint.
Preferably, described wetting agent is lauric acid sodium sulfonate of ethoxylated, effective improves dispersed in coating of each component, increases the viscosifying power of coating.Described thickening material is vinylchlorid-vinyl laurate-alkylmethacrylate polymer rubber powder, makes each component Homogeneous phase mixing of coating, the elastomeric polymer gel of final formation.Vinylchlorid-vinyl laurate-alkylmethacrylate polymer rubber powder gives the good viscosifying power of coating and intensity, improves the weather resistance of coating induration.
Preferably, described binding agent is preferably polyvinyl acetate (PVA); Described defoamer is preferably amino-polyether siloxanes; Described dispersion agent is preferably (2-ethylhexyl) amber sodium sulfonate; Described admixture is preferably pimelinketone.
Described stopping composition is preferably zinc methacrylate, increases the weathering resistance of coating further.Described nano-powder is preferably nano zine oxide and nano-titanium oxide, and the weight ratio of described nano zine oxide and nano-titanium oxide is preferably 1-3: 1, is more preferably 2: 1.By adding zinc methacrylate stopping composition, further increasing the antiseptic property of coating, introducing zinc oxide and titanium oxide composite nanoparticle, effectively absorbing ultraviolet, strengthen the ageing resistance of coating.
Accordingly, the present invention also provides a kind of preparation method of environment-friendly waterproof paint, comprise the following steps: 1-2 parts by weight of thickening agent, 2-2.5 weight part hydroxypropyl carboxy methyl Mierocrystalline cellulose, 3-5 weight part stopping composition and 8-10 weight part nano-powder are mixed, after stirring, obtains the first Preblend; By 55-60 parts by weight polymer emulsion, 15-20 weight parts water, 0.6-1 weight part γ-aminopropyl vinyl dimethoxysilane, 0.8-1 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.3-0.5 weight part wetting agent, 1.0-1.4 weight part sorbyl alcohol, 1.0-1.5 parts by weight binder, 0.3-0.5 parts per weight dispersing agent and 1-2 weight part admixture high-speed stirring in stirred pot, obtain the second Preblend, described polymer emulsion is organosilicon crylic acid latex and acrylate and vinyl acetate emulsion; In described second Preblend, add described first Preblend, after stirring, add 0.6-1 weight part defoamer, after continuing stirring, obtain environment-friendly waterproof paint.
Preferably, described wetting agent is preferably lauric acid sodium sulfonate of ethoxylated; Described thickening material is preferably vinylchlorid-vinyl laurate-alkylmethacrylate polymer rubber powder; Described binding agent is preferably polyvinyl acetate (PVA); Described defoamer is preferably amino-polyether siloxanes; Described dispersion agent is preferably (2-ethylhexyl) amber sodium sulfonate; Described admixture is preferably pimelinketone; Described stopping composition is preferably zinc methacrylate; Described nano-powder is preferably nano zine oxide and nano-titanium oxide.
As can be seen from above scheme, the present invention for raw material, gives the elasticity that coating is higher with organosilicon crylic acid latex and acrylate and vinyl acetate emulsion mixture; γ-aminopropyl vinyl dimethoxysilane, as water-resisting agent, improves the antiseepage water resistance of dope layer greatly; 2-hydroxyethyl-4-isothiazoline-3-ketone, as the sanitas of coating, improves the antiseptic property of coating further; Adopt hydroxypropyl carboxy methyl Mierocrystalline cellulose, improve the over-all properties of coating.Therefore, environment-friendly waterproof paint prepared by the present invention has good water resistance, corrosion resistance nature, ageing resistance, and volatile organic content is low, meets the requirement of environmental protection.
In order to understand the present invention further, be described in detail to technical scheme provided by the invention below in conjunction with embodiment, protection scope of the present invention is not limited by the following examples.
The raw material that the embodiment of the present invention adopts and chemical reagent are commercial.
The nano-powder that the embodiment of the present invention adopts to be weight ratio be 2: 1 nano zine oxide and nano-titanium oxide;
The polymer emulsion that the embodiment of the present invention adopts is volume ratio is the organosilicon crylic acid latex of 1: 1 and the mixture of acrylate and vinyl acetate emulsion, and wherein, organosilicon crylic acid latex model is 996KD, originates from the rich Industrial Co., Ltd. of Ahmedabad; Acrylate and vinyl acetate emulsion model is Rovace
tM9165, originate from Dow Chemical company;
γ-aminopropyl vinyl-dimethyl oxygen base silicon and 2-hydroxyethyl-4-isothiazoline-3-ketone all originate from German BASF chemical industry (China) company limited;
Lauric acid sodium sulfonate of ethoxylated originates from Tianjin Ke Miou chemical reagent company limited;
Sorbyl alcohol originates from Luo Gaite (China) Fine Chemical Co., Ltd;
Multipolymer rubber powder originates from Shandong Enrique Miguez Gómez Chemical Co., Ltd.;
Hydroxypropyl carboxy methyl Mierocrystalline cellulose originates from Ruitai Cellulose Co Ltd, Tai'an;
Polyvinyl acetate (PVA) originates from Shanxi Sanwei Group Co., Ltd.;
Amino-polyether siloxanes originates from Tianjin Surfychem T&D Co., Ltd.;
(2-ethylhexyl) amber sodium sulfonate originates from Laxachem company of India;
Pimelinketone originates from Chemical Reagent Co., Ltd., Sinopharm Group;
Zinc methacrylate originates from Nanjing chemical science and technology limited liability company hand in hand.
Embodiment 1
(1), take 1 weight part of vinyl chloride-vinyl laurate-alkylmethacrylate polymer rubber powder, 2.5 weight part hydroxypropyl carboxy methyl Mierocrystalline celluloses, 3 weight parts of methacrylic acid zinc, 10 weight part nano-powders stir 15 minutes in stirrer high speed; Stirring, it is for subsequent use to obtain premix powders; (2) pimelinketone high-speed stirring 20 minutes in stirred pot of 56 parts by weight polymer emulsions, 15 weight parts waters, 0.8 weight part-aminopropyl vinyl dimethoxysilane, 1.0 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.3 lauric acid sodium sulfonate of ethoxylated, 1.4 weight part sorbyl alcohols, 1.2 weight part polyvinyl acetate (PVA), 0.5 weight part (2-ethylhexyl) amber sodium sulfonate, 1 weight part, is taken; (3), then add above-mentioned premix powders, add 0.8 weight part amino-polyether siloxanes after stirring and continue stirring more a kind of environment-friendly waterproof paint that can be used for outside architecture indoor within 5 minutes, can be obtained.
Embodiment 2
(1), take 1.2 weight part of vinyl chloride-vinyl laurate-alkylmethacrylate polymer rubber powder, 2.4 weight part hydroxypropyl carboxy methyl Mierocrystalline celluloses, 3 weight parts of methacrylic acid zinc, 10 weight part nano-powders stir 15 minutes in stirrer high speed; Stirring, it is for subsequent use to obtain premix powders; (2) pimelinketone high-speed stirring 20 minutes in stirred pot of 58 parts by weight polymer emulsions, 17 weight parts waters, 0.7 weight part γ-aminopropyl vinyl dimethoxysilane, 0.9 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.4 lauric acid sodium sulfonate of ethoxylated, 1.3 weight part sorbyl alcohols, 1.1 weight part polyvinyl acetate (PVA), 0.5 weight part (2-ethylhexyl) amber sodium sulfonate, 1.5 weight parts, is taken; (3), then add above-mentioned premix powders, add 0.8 weight part amino-polyether siloxanes after stirring and continue stirring more a kind of environment-friendly waterproof paint that can be used for outside architecture indoor within 5 minutes, can be obtained.
Embodiment 3
(1), take 1.5 weight part of vinyl chloride-vinyl laurate-alkylmethacrylate polymer rubber powder, 2.3 weight part hydroxypropyl carboxy methyl Mierocrystalline celluloses, 4 weight parts of methacrylic acid zinc, 9 weight part nano-powders stir 15 minutes in stirrer high speed; Stirring, it is for subsequent use to obtain premix powders; (2) pimelinketone high-speed stirring 20 minutes in stirred pot of 58 parts by weight polymer emulsions, 18 weight parts waters, 0.6 weight part γ-aminopropyl vinyl dimethoxysilane, 0.9 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.4 lauric acid sodium sulfonate of ethoxylated, 1.2 weight part sorbyl alcohols, 1.4 weight part polyvinyl acetate (PVA), 0.4 weight part (2-ethylhexyl) amber sodium sulfonate, 2 weight parts, is taken; (3), then add above-mentioned premix powders, add 1.0 weight part amino-polyether siloxanes after stirring and continue stirring more a kind of environment-friendly waterproof paint that can be used for outside architecture indoor within 5 minutes, can be obtained.
Embodiment 4
(1), take 1.8 weight part of vinyl chloride-vinyl laurate-alkylmethacrylate polymer rubber powder, 2.1 weight part hydroxypropyl carboxy methyl Mierocrystalline celluloses, 4 weight parts of methacrylic acid zinc, 9 weight part nano-powders stir 15 minutes in stirrer high speed; Stirring, it is for subsequent use to obtain premix powders; (2) 59 parts by weight polymer emulsions, 19 weight parts waters, 0.9 weight part γ-aminopropyl vinyl dimethoxysilane, 0.8 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.3 lauric acid sodium sulfonate of ethoxylated, 1.2 weight part sorbyl alcohols, 1.4 weight part polyvinyl acetate (PVA), 0.4 weight part (2-ethylhexyl) amber sodium sulfonate, high-speed stirring 20 minutes in stirred pot, is taken; (3), then add above-mentioned premix powders, add 0.7 weight part amino-polyether siloxanes after stirring and continue stirring more a kind of environment-friendly waterproof paint that can be used for outside architecture indoor within 5 minutes, can be obtained.
Embodiment 5
(1), take 2.0 weight part of vinyl chloride-vinyl laurate-alkylmethacrylate polymer rubber powder, 2.0 weight part hydroxypropyl carboxy methyl Mierocrystalline celluloses, 5 weight parts of methacrylic acid zinc, 8 weight part nano-powders stir 15 minutes in stirrer high speed; Stirring, it is for subsequent use to obtain premix powders; (2) pimelinketone high-speed stirring 20 minutes in stirred pot of 60 parts by weight polymer emulsions, 20 weight parts waters, 1.0 weight part γ-aminopropyl vinyl dimethoxysilane, 0.8 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.5 lauric acid sodium sulfonate of ethoxylated, 1.0 weight part sorbyl alcohols, 1.5 weight part polyvinyl acetate (PVA), 0.3 weight part (2-ethylhexyl) amber sodium sulfonate, 1 weight part, is taken; (3), then add above-mentioned premix powders, add 0.6 weight part amino-polyether siloxanes after stirring and continue stirring more a kind of environment-friendly waterproof paint that can be used for outside architecture indoor within 5 minutes, can be obtained.
The main performance index of the environment-friendly waterproof paint that prepared by the present invention can be used for outside architecture indoor is tested according to national standard JC/T864-2008, and the salient features detected result of each embodiment waterproof paint is as shown in table 1.
The main performance index of each embodiment coating of table 1
| Sequence number | Test event | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| 1 | Tensile strength | MPa | 2.0 | 1.8 | 2.1 | 2.3 | 1.9 |
| 2 | Elongation at break | ％ | 390 | 420 | 380 | 360 | 405 |
| 3 | Watertightness | - | Waterproof | Waterproof | Waterproof | Waterproof | Waterproof |
The explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an environment-friendly waterproof paint, is characterized in that, comprises following composition:
Described polymer emulsion is organosilicon crylic acid latex and acrylate and vinyl acetate emulsion.
2. environment-friendly waterproof paint according to claim 1, is characterized in that, described wetting agent is lauric acid sodium sulfonate of ethoxylated.
3. environment-friendly waterproof paint according to claim 1, is characterized in that, described thickening material is vinylchlorid-vinyl laurate-alkylmethacrylate polymer rubber powder.
4. environment-friendly waterproof paint according to claim 1, is characterized in that, described binding agent is polyvinyl acetate (PVA).
5. environment-friendly waterproof paint according to claim 1, is characterized in that, described defoamer is amino-polyether siloxanes.
6. environment-friendly waterproof paint according to claim 1, is characterized in that, described dispersion agent is (2-ethylhexyl) amber sodium sulfonate.
7. environment-friendly waterproof paint according to claim 1, is characterized in that, described admixture is pimelinketone.
8. the environment-friendly waterproof paint according to claim 1-7 any one, is characterized in that, described stopping composition is zinc methacrylate.
9. the environment-friendly waterproof paint according to claim 1-7 any one, is characterized in that, described nano-powder is nano zine oxide and nano-titanium oxide.
10. a preparation method for environment-friendly waterproof paint, is characterized in that, comprises the following steps:
1-2 parts by weight of thickening agent, 2-2.5 weight part hydroxypropyl carboxy methyl Mierocrystalline cellulose, 3-5 weight part stopping composition and 8-10 weight part nano-powder are mixed, after stirring, obtains the first Preblend;
By 55-60 parts by weight polymer emulsion, 15-20 weight parts water, 0.6-1 weight part γ-aminopropyl vinyl dimethoxysilane, 0.8-1 weight part 2-hydroxyethyl-4-isothiazoline-3-ketone, 0.3-0.5 weight part wetting agent, 1.0-1.4 weight part sorbyl alcohol, 1.0-1.5 parts by weight binder, 0.3-0.5 parts per weight dispersing agent and 1-2 weight part admixture high-speed stirring in stirred pot, obtain the second Preblend, described polymer emulsion is organosilicon crylic acid latex and acrylate and vinyl acetate emulsion;
In described second Preblend, add described first Preblend, after stirring, add 0.6-1 weight part defoamer, after continuing stirring, obtain environment-friendly waterproof paint.
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| CN201510686308.0A CN105331230A (en) | 2015-10-16 | 2015-10-16 | Environment-friendly waterproof coating and preparation method thereof |
| CN201710846973.0A CN107446451A (en) | 2015-10-16 | 2015-10-16 | A kind of environment-friendly waterproof paint and preparation method thereof |
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| CN201510686308.0A CN105331230A (en) | 2015-10-16 | 2015-10-16 | Environment-friendly waterproof coating and preparation method thereof |
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| CN107936340A (en) * | 2017-11-30 | 2018-04-20 | 柳州市郊区和平第五砖厂 | A kind of nano decorative material and preparation method thereof |
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| CN108276815A (en) * | 2017-12-20 | 2018-07-13 | 柳州智臻智能机械有限公司 | A kind of circuit board coating composition and preparation method thereof |
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| CN107828319A (en) * | 2017-09-15 | 2018-03-23 | 江苏闽江矿业有限公司 | A kind of water-repellent paint for mining industry disintegrating machine |
| CN107936340A (en) * | 2017-11-30 | 2018-04-20 | 柳州市郊区和平第五砖厂 | A kind of nano decorative material and preparation method thereof |
Also Published As
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| CN107446451A (en) | 2017-12-08 |
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