CN106398505A - Bicomponent waterborne coating and preparation method thereof - Google Patents

Bicomponent waterborne coating and preparation method thereof Download PDF

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CN106398505A
CN106398505A CN201610855596.2A CN201610855596A CN106398505A CN 106398505 A CN106398505 A CN 106398505A CN 201610855596 A CN201610855596 A CN 201610855596A CN 106398505 A CN106398505 A CN 106398505A
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潘卫方
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02Organic and inorganic ingredients
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/01Use of inorganic substances as compounding ingredients characterized by their specific function
    • C08K3/015Biocides
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/0008Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0058Biocides
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D125/00Coating 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 aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02Homopolymers or copolymers of hydrocarbons
    • C09D125/04Homopolymers or copolymers of styrene
    • C09D125/08Copolymers of styrene
    • C09D125/14Copolymers of styrene with unsaturated esters
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D133/00Coating 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D175/00Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04Polyurethanes
    • C09D175/14Polyurethanes having carbon-to-carbon unsaturated bonds
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2206Oxides; Hydroxides of metals of calcium, strontium or barium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives

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  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Inorganic Chemistry (AREA)
  • Plant Pathology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention relates to a bicomponent waterborne coating, made from, according to a formula, 50-80% of a film-forming material, 1-10% of a water-soluble solvent, 5-15% of deionized water, 0.1-3% of a dispersant, 0.3-3% of a film forming aid, 0-20% of titanium dioxide, 0.1-1% of a wetting aid, 0.1-1% of a leveling agent, 0.1-1% of a defoaming aid, 0.1-3% of an anti-shrinkage aid, 0.1-5% of a thickener, 0.1-2% of a plant preservative, 0.1-10% of a fungal inhibitor, 0.1-10% of Artemisia vulgaris extract, 0.1-10% of yeast, 0.1-10% of silver ion, 0.1-10% of calcium ion, 0.1-10% of titanium ion, 0-10% of a filling material, and 0-10% of a pigment. A preparation method of the coating comprises: stirring well by a dispersing machine, adding the stirred material into a grinding machine for grinding, filtering and packaging, pouring polyisocyanate and a solvent into a container, dispersing and stirring well to prepare a crosslinking agent, and packaging and finishing again. The bicomponent waterborne coating is applied mainly in the finishing of printed packaging articles, and provides safety and corrosion resistance.

Description

A kind of double-component aqueous ecologic coating and preparation method thereof
Technical field
The present invention relates to package coating and veneer coating technical field, especially relate to a kind of anti-corrosion suppression of applicable food fresh keeping Plastics that bacterium is kept a public place clean, aluminium foil, chemical fibre, sheet package product, the printing of the antibacterial product of keeping a public place clean of hygienic article, and bamboo and wood plant product High temperature resistant (double-component) aqueouss ecologic coating of antibacterial facing.
Background technology
Fresh liquid milk products, meat productss, Fish aquatic products etc., are all that the shelf-life is shorter, easily rotten corrupt day often to eat Product;The agricultural product such as grain, Folium Camelliae sinensis, Chinese medicine and other food, packaging, storage are careless slightly, will moldy metamorphism, produce Aspergillus flavus The carcinogenic high-risk harmful microorganism such as bacterium, causes the great problems of food safety;
The maximum feature of fruit and vegerable agricultural products is that water content is at a relatively high, easily rotten corruption, leads to its storage life shorter.? The developed countries such as American-European Japan and Korea S, its fruit and vegerable agricultural products because moisture loss more than 5% when, be regarded as its lose fresh The value of pin, they have a technology of higher fruit and vegerable agricultural products storage quality, control rotten corrupt be lost in 5% with ?.The fruit and vegetable storage and transportation facility of China, technology are more backward at present, loss up to 20%~30%, the year of fruit and vegerable agricultural products after adopting Nearly 200,000,000,000 yuan of economic loss rate, therefore, the technology that research improves fruit vegetables storing quality is imperative.
Chemical composition in fruits and vegetables mainly has moisture and dry two big class, and dry is typically divided into water solublity again Material and non-water soluble substance.Water-soluble substanceses in fruits and vegetables be mainly saccharide, pectin, organic acid, polyhydric alcohol, enzyme, Water soluble vitamins, tannin and part inorganic salts;Non-water soluble substance mainly has cellulose, hemicellulose, Pectin, proto, shallow lake Powder, fat, pigment, vitamin, mineral and organic salt etc..These materials have respective characteristic, and these characteristics are then determined Determine the key factor of fruits and vegetables quality itself.These constituents of fruits and vegetables in nutrition or quality all It is very important.In storage, these materials maintain the basic physiological activity of fruits and vegetables jointly, between them mutually There is chemical change in effect, and the change forming decides preservation quality and the commodity value of fruits and vegetables.
In fruits and vegetables, moisture is main component it may be said that moisture is impact fruits and vegetables tenderness, freshness and taste The extremely important composition in road.But water content is high, leads to fruits and vegetables storage tolerance poor performance again, easily rot and rotten Main cause, this is because the presence of moisture is fruits and vegetables completing the essential condition of whole vital movements, also gives micro- simultaneously Biological and enzyme activity creates favourable condition, therefore should strictly control it according to the characteristic of different types of fruits and vegetables Moisture.
For above-mentioned technical problem, occur in that many new preservation technique methods at present, such as:Ventilation storehouse preservation and freshness, Storage in cold bank is fresh-keeping, controlled atmosphere store and plastic-film-pouch controlled atmosphere storage, pressure-reducing fresh-keeping method, novel thin film be fresh-keeping, micro- life The fresh-keeping bacterium of thing antagonism is fresh-keeping, technique for gene engineering fresh-keeping electronic technology fresh-keeping method, ceramic freshness protection package fresh-keeping method etc..But, these Technical method, nor fundamentally improve the storage quality of fruit and vegerable agricultural products.
Content of the invention
The present invention is in order to overcome the deficiencies in the prior art;There is provided what a kind of nanoparticle food fresh keeping antiseptic and inhibiting bacteria function kept a public place clean to mould Material, aluminium foil, chemical fibre, high temperature resistant (double-component) aqueouss ecologic coating of sheet package product printed facing and preparation method thereof, its Purpose is to thoroughly change the numerous and complicated multiple problems such as conventional food, agricultural product are perishable, easily rotten, easily mouldy, perishable.
In order to solve above-mentioned technical problem, technical scheme proposed by the present invention is:A kind of double-component aqueous ecologic coating, It is characterized in that, calculate according to mass percent and include following component:Film forming matter 50-80%, aqueous solvent 1-10%, go from Sub- water 5-15%, dispersant 0.1-3%, coalescents 0.3-3%, titanium dioxide 0-20%, wetting aid 0.1-1%, levelling helps Agent 0.1-1%, antifoam additives 0.1-1%, anti-shrinkage cavity auxiliary agent 0.1-3%, thickening agent 0.1-5%, plant antiseptic agent 0.1-2%, Fungistat 0.1-10%, Folium Artemisiae Argyi extract 0.1-10%, yeast 0.1-10%, silver ion 0.1-10%, calcium ion 0.1- 10%, titanium ion 0.1-10%, inserts 0-10%, pigment 0-10%.
Further, described preparation method comprises the following steps:
Step one:By film forming matter, water-soluble solvent, deionized water, coalescents, wetting aid, leveling auxiliary agent, froth breaking Auxiliary agent, anti-shrinkage cavity auxiliary agent proportionally sequentially add in the container of dispersion machine, start dispersion machine and stir, the stirring of dispersion machine Speed is 800-1000 rev/min, and mixing time is 30 minutes.
Step 2:By biological preservative, fruit and vegerable ripening inhibitor, fungistat, Folium Artemisiae Argyi extract, yeast, silver ion, Calcium ion, titanium ion, proportionally it is added to successively in the container of dispersion machine, stir, the mixing speed of dispersion machine is 800-1000 rev/min, mixing time is 30 minutes.
Step 3:The above-mentioned raw material being stirred addition grinder is ground, low constant temperature grinds 1 to 5 time, until granule Particle diameter reaches 200 nanometers of the uniformity, and now coating is A liquid.
Step 4:Pack after coating A liquid is filtered with 200 mesh gauzes.
Step 5:Polyisocyanate and solvent are poured into dispersion in container stir, you can complete B liquid (cross-linking agent) Manufacture.
Step 6:Packaging B liquid, tight packaging, prevent humidity.
Preferably, the mixing speed of the dispersion machine in described step one and step 2 is 800-1000 rev/min, during stirring Between be 30 minutes.
Preferably, described aqueous solvent is ethylene glycol monobutyl ether, butyl, propylene glycol methyl ether acetate and ethanol One of.
Preferably, described film-forming resin is resin aqueous emulsion, and this resin aqueous emulsion is polyaminoester emulsion, propylene yogurt One of liquid, polyurethane-acrylate copolymer emulsion and Epoxy Modified Styrene Acrylate Emulsion.
Preferably, described coalescents are alcohol ester 12 coalescents.
Preferably, described calcium ion is high-activity nano calcium dioxide ion, and described titanium ion is high-activity nano dioxy Change titanium ion, described silver ion is high-activity nano silver ion.
In order to technical scheme is better achieved, described black pigment is white carbon black;Described Chinese white is titanium white Powder;
The invention has the beneficial effects as follows:Plastics that the nanoparticle food fresh keeping antiseptic and inhibiting bacteria function of the present invention is kept a public place clean, aluminium foil, change Fibre, the printing of the antibacterial product of keeping a public place clean of sheet package product, hygienic article, and the antibacterial facing of bamboo and wood plant product is high temperature resistant (double Component) aqueouss ecologic coating has nontoxic, and do not fire not quick-fried, formaldehydeless, zero-emission, meet the height ring of human health requirement Protect, the characteristic of energy-conservation, and using process without special equipment, instrument, without professional.Using the present invention nanometer from Plastics that sub- food fresh keeping antiseptic and inhibiting bacteria function is kept a public place clean, aluminium foil, chemical fibre, high temperature resistant (double-component) water of sheet package product printed facing Property ecologic coating, numerous and complicated multiple the asking such as overcome the conventional food of conventional various changes, agricultural product perishable, easily rotten, easily mouldy, perishable Topic.
Plastics that nanoparticle food fresh keeping antiseptic and inhibiting bacteria function used in the present invention is kept a public place clean, aluminium foil, chemical fibre, sheet package system High temperature resistant (double-component) aqueouss ecologic coating of product printed facing has very wide range, and such as food fresh keeping antiseptic and inhibiting bacteria function is protected Clean packing plastics, aluminium foil, chemical fibre, paper printing, bamboo and wood rattan vegetable products furniture, book and periodical printing, disposably antibacterial sterilizing defend Raw articles for use.
Specific embodiment
In order to be better understood from technical scheme, below will enumerate specific embodiment to illustrate, but These specific embodiments should not limit the scope of the invention.
Embodiment one:
A kind of double-component aqueous ecologic coating, calculates according to mass percent and includes following component:Film forming matter 60%, water Property solvent 1%, deionized water 5%, dispersant 0.8%, coalescents 1%, titanium dioxide 17%, wetting aid 0.2%, levelling helps Agent 0.2%, antifoam additives 0.4%, anti-shrinkage cavity auxiliary agent 0.2%, thickening agent 0.5%, biological preservative 0.2%, fungistat 1%, Folium Artemisiae Argyi extract 5%, yeast 1%, silver ion 3%, calcium ion 3.5%, titanium ion 0%, inserts 0%, pigment 0%; In the program, the pigment of use is Chinese white.
In this specific embodiment, the pigment of use is Chinese white, but under specific service condition, is not limited only to white Color pigment, can also be in red pigment, yellow uitramarine, blue pigment, black pigment, golden pigment and silver Kind.
Embodiment two:
A kind of double-component aqueous ecologic coating, calculates according to mass percent and includes following component:Film forming matter 68%, water Property solvent 1%, deionized water 5%, dispersant 0.3%, coalescents 0.5%, titanium dioxide 0%, wetting aid 0.2%, levelling Auxiliary agent 0.2%, antifoam additives 0.4%, anti-shrinkage cavity auxiliary agent 0.2%, thickening agent 0.5%, biological preservative 0.2%, funguses suppress Agent 1%, Folium Artemisiae Argyi extract 5%, yeast 1%, silver ion 3%, calcium ion 3.5%, titanium ion 2%, inserts 3%, pigment 5%;In the program, the pigment of use is red pigment.
In this specific embodiment, the pigment of use is red pigment, but under specific service condition, is not limited only to redness Pigment, can also be Chinese white, yellow uitramarine, blue pigment, black pigment, golden one of pigment and silver.
Embodiment three:
A kind of double-component aqueous ecologic coating, calculates according to mass percent and includes following component:Film forming matter 75%, water Property solvent 1%, deionized water 5%, dispersant 0.3%, coalescents 1%, titanium dioxide 0%, wetting aid 0.2%, levelling helps Agent 0.2%, antifoam additives 0.4%, anti-shrinkage cavity auxiliary agent 0.2%, thickening agent 0.5%, biological preservative 0.2%, fungistat 1%, Folium Artemisiae Argyi extract 5%, yeast 1%, silver ion 5%, calcium ion 4%, titanium ion 5%;Inserts 0%, pigment 0%;Should In scheme, do not use pigment.
In this specific embodiment, do not use pigment, be clear coat;It can do the protective layer on top layer, but specific Under service condition, also can be used for adjusting any one of white, redness, yellow, blueness, black, golden silver color.
The preparation method of three above specific embodiment is as follows:
Step one:By film forming matter, water-soluble solvent, deionized water, coalescents, wetting aid, leveling auxiliary agent, froth breaking Auxiliary agent, anti-shrinkage cavity auxiliary agent proportionally sequentially add in the container of dispersion machine, start dispersion machine and stir, the stirring of dispersion machine Speed is 800-1000 rev/min, and mixing time is 30 minutes.
Step 2:By biological preservative, fruit and vegerable ripening inhibitor, fungistat, Folium Artemisiae Argyi extract, yeast, silver ion, Calcium ion, titanium ion, proportionally it is added to successively in the container of dispersion machine, stir, the mixing speed of dispersion machine is 800-1000 rev/min, mixing time is 30 minutes.
Step 3:The above-mentioned raw material being stirred addition grinder is ground, low constant temperature grinds 1 to 5 time, until granule Particle diameter reaches 200 nanometers of the uniformity.
Step 4:Pack after coating A liquid is filtered with 200 mesh gauzes.
Step 5:Polyisocyanate and solvent are poured into dispersion in container stir, you can complete B liquid (cross-linking agent) Manufacture.
Step 6:Packaging B liquid, tight packaging, prevent humidity.
Technical solutions according to the invention can meet the nanoparticle food of International Environmental Protection standard and human health standard The antibacterial plastics kept a public place clean of preservation and antisepsis, aluminium foil, chemical fibre, high temperature resistant (double-component) aqueouss of sheet package product printed facing apply Material;According to the microorganism detection result entrusting third party testing agency to be done, coating for colibacillary bacteriostasis rate is: 99.99%, pathogenic bacterium (staphylococcus aureuses, Salmonella, shigella, vibrio parahaemolyticus, Hemolytic streptococcuss) press down Bacterium rate is:99.88%, without formaldehyde and TVOC.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry , it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes Change and improvement both falls within scope of the claimed invention.

Claims (7)

1. a kind of double-component aqueous ecologic coating includes following component it is characterised in that calculating according to mass percent:Film forming matter Matter 50-80%, aqueous solvent 1-10%, deionized water 5-15%, dispersant 0.1-3%, coalescents 0.3-3%, titanium dioxide 0-20%, wetting aid 0.1-1%, leveling auxiliary agent 0.1-1%, antifoam additives 0.1-1%, anti-shrinkage cavity auxiliary agent 0.1-3%, thickening Agent 0.1-5%, plant antiseptic agent 0.1-2%, fungistat 0.1-10%, Folium Artemisiae Argyi extract 0.1-10%, yeast 0.1- 10%, silver ion 0.1-10%, calcium ion 0.1-10%, titanium ion 0.1-10%, inserts 0-10%, pigment 0-10%.
2. a kind of double-component aqueous ecologic coating according to claim 1 it is characterised in that described preparation method include with Lower step:
Step one:Film forming matter, water-soluble solvent, deionized water, coalescents, wetting aid, leveling auxiliary agent, froth breaking are helped Agent, anti-shrinkage cavity auxiliary agent proportionally sequentially add in the container of dispersion machine, start dispersion machine and stir, the stirring speed of dispersion machine Spend for 800-1000 rev/min, mixing time is 30 minutes.
Step 2:By biological preservative, fruit and vegerable ripening inhibitor, fungistat, Folium Artemisiae Argyi extract, yeast, silver ion, calcium from Son, titanium ion, proportionally it is added to successively in the container of dispersion machine, stirs, the mixing speed of dispersion machine is 800- 1000 revs/min, mixing time is 30 minutes.
Step 3:The above-mentioned raw material being stirred addition grinder is ground, low constant temperature grinds 1 to 5 time, until grain diameter Reach 200 nanometers of the uniformity, be now set to coating A liquid.
Step 4:Pack after coating A liquid is filtered with 200 mesh gauzes.
Step 5:Polyisocyanate and solvent are poured into dispersion in container stir, you can complete the system that B liquid is cross-linking agent Make.
Step 6:Packaging B liquid, tight packaging, prevent humidity.
3. described a kind of double-component aqueous ecologic coating according to claim 1 is it is characterised in that described aqueous solvent is One of ethylene glycol monobutyl ether, butyl, propylene glycol methyl ether acetate and ethanol.
4. described a kind of double-component aqueous ecologic coating according to claim 1 is it is characterised in that described film-forming resin is Resin aqueous emulsion, this resin aqueous emulsion is polyaminoester emulsion, acrylic emulsion, polyurethane-acrylate copolymer emulsion and ring One of oxygen modifying cinepazid emulsion.
5. described a kind of double-component aqueous ecologic coating according to claim 1 is it is characterised in that described coalescents are Alcohol ester 12 coalescents.
6. described a kind of double-component aqueous ecologic coating according to claim 1 is it is characterised in that described calcium ion is height Active nano calcium dioxide ion, described titanium ion is high-activity nano titanium dioxide ion, and described silver ion is received for high activity Nano silver ion.
7. described a kind of double-component aqueous ecologic coating according to claim 2 is it is characterised in that described preparation side The mixing speed of the dispersion machine in method step one and step 2 is 800-1000 rev/min, and mixing time is 30 minutes.
CN201610855596.2A 2016-09-28 2016-09-28 Bicomponent waterborne coating and preparation method thereof Pending CN106398505A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110295006A (en) * 2019-05-14 2019-10-01 深圳市能驭生态化工科技有限公司 A kind of food cans are interior to apply aqueous ecologic coating of heat cure and preparation method thereof and construction method
CN112094549A (en) * 2020-05-27 2020-12-18 慧瑞环保涂料(上海)有限公司 Preservative-free aqueous food contact coating and processing technology thereof

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JP4754197B2 (en) * 2004-08-10 2011-08-24 株式会社フジクラ Titanium oxide particles, production method thereof and use thereof
CN104130687A (en) * 2014-08-14 2014-11-05 深圳市能驭科技有限公司 Food-grade water-based metal stoving varnish and preparation method thereof

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
JP4754197B2 (en) * 2004-08-10 2011-08-24 株式会社フジクラ Titanium oxide particles, production method thereof and use thereof
CN104130687A (en) * 2014-08-14 2014-11-05 深圳市能驭科技有限公司 Food-grade water-based metal stoving varnish and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110295006A (en) * 2019-05-14 2019-10-01 深圳市能驭生态化工科技有限公司 A kind of food cans are interior to apply aqueous ecologic coating of heat cure and preparation method thereof and construction method
CN112094549A (en) * 2020-05-27 2020-12-18 慧瑞环保涂料(上海)有限公司 Preservative-free aqueous food contact coating and processing technology thereof

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