CN110229599A - A kind of food cans apply aqueous ecologic coating of heat cure and preparation method thereof and construction method outside - Google Patents
A kind of food cans apply aqueous ecologic coating of heat cure and preparation method thereof and construction method outside Download PDFInfo
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- CN110229599A CN110229599A CN201910397609.XA CN201910397609A CN110229599A CN 110229599 A CN110229599 A CN 110229599A CN 201910397609 A CN201910397609 A CN 201910397609A CN 110229599 A CN110229599 A CN 110229599A
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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
- C09D125/00—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 aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
-
- 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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
-
- 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
- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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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- General Preparation And Processing Of Foods (AREA)
Abstract
The invention discloses a kind of food cans to apply the aqueous ecologic coating of heat cure outside, including aqueous film-forming resin 50-65%, water-compatible amino resin 5-10%, aqueous solvent 5-10%, dispersing agent 0.1-1%, antirust agent 0.1-2%, adhesion promoter 1-5%, metal antioxidant 0.3-4%, coalescing agent 0.1-3%, wetting aid 0.3-1%, leveling auxiliary agent 0.3-1%, antifoam additives 0.5-1%, anti- shrinkage cavity auxiliary agent 0.1-1%, thickener 0.1-1%, nano-filled material 1-10%, pigment 4-16%, the deionized water of surplus.The invention also discloses the preparation method of above-mentioned coating and construction methods.Coating of the invention is free of harmful toxic matter, environmental protection, energy conservation；There is stronger adhesive force and adherence using the film layer that it is prepared, excellent resistant to sulfur, solvent resistant, acidproof, alkaline-resisting, high temperature resistant, rub resistance, anti-corrosion, antirust, anti-oxidant, bending resistance can effectively obstruct the precipitation of coated article part harmful substance；It is selective that it is capable of providing multiple color, by adding nano-filled material, has preferable hardness and toughness, improves the dispersibility of pigment, coloring effect is good.
Description
Technical field
The present invention relates to packaging material for food technical fields, are suitable for metal, glass, ceramics, day more particularly, to one kind
The food containers such as right stone material, packing jar field food cans apply aqueous ecologic coating of heat cure and preparation method thereof and construction party outside
Method.
Background technique
Currently, the coating applied in food metal packaging tank, with the coating products based on benzene kind solvent type；The coating produces
In product, benzene kind solvent contains more than the hundred kinds of substance releases to cause damages to human health, through respiratory tract, skin and alimentary canal etc.
Be inhaled into human body, cause old man, child's resistance, immunity degradation, easy catching a cold, skin allergy, cough, sphagitis, it is uncomfortable in chest, exhale
Inhale difficulty, headache, dizziness, Nausea and vomiting, twitch, blood pressure decline so that breathing and circulatory failure, neurasthenia syndrome, making
Blood function reduces, oligoleukocythemia, decrease of platelet, alpastic anemia, carcinogenic, cause gene mutation, pregnant woman's miscarriage, fetus
The lesions such as dead, the fecundity decline of deformity, semen, are not only the environment for human survival seriously polluted, even more seriously
Compromise the health of the mankind.
For the above technical issues, occur many low harmful toxic matters with certain environmental-protecting performance in the prior art
Water paint.But these coating is with low content of technology, contains poisonous and harmful substances, does not have true safety and zero-emission, acidproof,
The functions such as alkaline-resisting, anti-corrosion, antirust, anti-oxidant are not strong, cannot comply fully with the standard of environment protectment protection and food contact requirements.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of food cans to apply heat cure water outside
Property ecologic coating, it be free of harmful toxic matter, meet human health requirement high in environmental protection, energy-efficient characteristic；It is prepared using it
Film layer have stronger adhesive force and adherence, have excellent resistant to sulfur, solvent resistant, acidproof, alkaline-resisting, high temperature resistant, rub resistance,
Anti-corrosion, antirust, anti-oxidant, bending resistance can effectively obstruct the precipitation of coated article part harmful substance；Meanwhile it is capable of providing
Multiple color is selective, by adding nano-filled material, with preferable hardness and toughness, improves the dispersibility of pigment,
Color effect is good.
The second object of the present invention is to provide the preparation method that a kind of food cans apply the aqueous ecologic coating of heat cure outside, tool
Have the characteristics that preparation process is simple and reliable, easy to operate.
The third object of the present invention is to provide the construction method that a kind of food cans apply the aqueous ecologic coating of heat cure outside, nothing
Palpus specific purpose tool is dry, wet not by air to be restricted without professional.
An object of the present invention adopts the following technical scheme that realization:
A kind of food cans apply the aqueous ecologic coating of heat cure outside, which is characterized in that by the as follows of weight percentage
Component is prepared: aqueous film-forming resin 50-65%, water-compatible amino resin 5-10%, aqueous solvent 5-10%, dispersing agent 0.1-
1%, antirust agent 0.1-2%, adhesion promoter 1-5%, metal antioxidant 0.3-4%, coalescing agent 0.1-3%, wetting help
Agent 0.3-1%, leveling auxiliary agent 0.3-1%, antifoam additives 0.5-1%, anti-shrinkage cavity auxiliary agent 0.1-1%, thickener 0.1-1% receive
Rice filler material 1-10%, pigment 4-16%, the deionized water of surplus.
Further, the nano-filled material be Shenzhen Jin Haohui scientific & technical corporation production nanometer calcium carbonate, kaolin,
One or more of barium sulfate.
Further, the pigment be Clariant Corporation production for the red of baking vanish system, yellow, blue, black,
One of contour performance pigment of white.
Further, the red pigment is that the LC of Clariant Corporation production is red；The yellow uitramarine is Clariant Corporation
The HR of production is yellow；The blue pigment is that the A4R of Clariant Corporation production is blue；The black pigment is carbon black；The white face
Material is titanium dioxide.
Further, the aqueous film-forming resin is resin aqueous emulsion, which is polyaminoester emulsion, third
One of olefin(e) acid lotion, polyurethane-acrylate copolymer emulsion and Epoxy Modified Styrene Acrylate Emulsion.
The CYMEL303 for the CYTEC chemical company that further, the water-compatible amino resin produces for U.S. Qing Te company,
One of 325 models.
Further, the aqueous solvent is ethylene glycol monobutyl ether, butyl, propylene glycol methyl ether acetate and second
One of alcohol.
Further, the dispersing agent is that the Aron T-61 or LAMBERTI (Ning Baidi) of the production of East Asia Synesis Company are public
Take charge of the POLIROL DS-19 of production.
Further, the antirust agent is the antirust agent of model AMP-95.
Further, the adhesion promoter is one of the silok6651 of Si Luoke company production, 6208.
Further, the metal antioxidant is the antioxidant of the model CB-1221 of Guangzhou Xuan Ning chemical company production.
Further, the coalescing agent is the model COASOL290 coalescing agent of Guangzhou Feng Tian chemical company production
Or 12 coalescing agent of alcohol ester.
Further, the leveling auxiliary agent is the levelling agent of the model 432 of German Digao company production.
Further, the wetting aid is the wetting agent of the model WET270 of German Digao company production.
Further, the antifoam additives are the defoaming agent of the model 720 of German Digao company production.
Further, the anti-shrinkage cavity auxiliary agent is that Ninghua is declared in the model silok8000 of Si Luoke company production or Guangzhou
The model CA-170 of work company production.
Further, the thickener is the thickener of the model ViscoPlus3010 of German Digao company production.
The second object of the present invention adopts the following technical scheme that realization:
A kind of food cans apply the preparation method of the aqueous ecologic coating of heat cure outside, which comprises the following steps:
Material preparation step: being weighed each raw material by formulation ratio respectively, spare；
Whipping step: by the aqueous film-forming resin of formula ratio, water-compatible amino resin, water-soluble solvent, deionized water, defoaming
Agent, dispersing agent, nano-filled material, pigment sequentially add in dispersion machine, after mixing evenly, obtain being stirred material；Mixing speed
It is 1000-1200 revs/min, mixing time is 60 minutes；
Grinding steps: it will be stirred in material addition grinder and grind, grind 3 to 5 times, until grain diameter reaches
100-150 nanometers, obtain ground and mixed material；
Dispersion steps: by the antirust agent of formula ratio, adhesion promoter, metal antioxidant, coalescing agent, wetting agent, stream
Flat agent, anticrater agent, thickener are successively added in ground and mixed material, are then stirred evenly with dispersion machine, obtain outside food cans
Apply the aqueous ecologic coating of heat cure；Dispersion machine mixing speed is 800-1000 revs/min, and mixing time is 30 minutes.
The third object of the present invention adopts the following technical scheme that realization:
A kind of food cans apply the construction method of the aqueous ecologic coating of heat cure outside, which is characterized in that by the purpose of the present invention
One of described in food cans apply the aqueous ecologic coating of heat cure outside and be sprayed on the outer wall of food cans, then in 185 DEG C of temperature
Under the conditions of toast 30 minutes, formed film layer.
Compared with prior art, the beneficial effects of the present invention are:
1, the aqueous ecologic coating of heat cure of the invention is by aqueous film-forming resin, water-compatible amino resin, aqueous solvent, dispersion
Agent, antirust agent, adhesion promoter, metal antioxidant, coalescing agent, wetting aid, leveling auxiliary agent, antifoam additives, anti-shrinkage cavity
Auxiliary agent, thickener, nano-filled material, pigment, deionized water are prepared, and are free of harmful toxic matter, meet human health requirement
High in environmental protection, energy-efficient characteristic；Toasting 30 minutes film layers formed after cross-linking reaction through 185 DEG C simultaneously has stronger attachment
Power and adherence have excellent resistant to sulfur, solvent resistant, acidproof, alkaline-resisting, high temperature resistant, rub resistance, anti-corrosion, antirust, anti-oxidant, anti-
Bending property can effectively obstruct the precipitation of coated article part harmful substance.It is selective that it is capable of providing multiple color, is received by addition
Rice filler material is used cooperatively with anti-shrinkage cavity auxiliary agent, be can be improved the hardness and toughness of coating, is improved the dispersibility of pigment, is coloured
Effect is good.The aqueous ecologic coating of heat cure of the invention overcomes previous conventional solvent coating to contain various high-risk harmful substances tight
The shortcomings that endangering human health again.
2, the present invention use aqueous solvent, can effectively evenly dispersed decomposition each component, meanwhile, preparation process passes through dispersion machine
It is stirred, is ground by nano-equipment twice, change the independence of various substances, so that the compatibility of each component is more preferable.
Construction method of the invention is without specific purpose tool, dry, wet not by air to be restricted without professional.
3, use scope of the present invention is extensive, such as the anti-corrosion of metal, glass, ceramics, lithotome product, anti-flash rusting, anti-
The facings such as oxidation, high temperature resistant, resistance to immersion, rub resistance.
Detailed description of the invention
Fig. 1 is the photo in kind of set-iron 1.
Specific embodiment
In the following, being described further in conjunction with specific embodiment to the present invention, it should be noted that is do not collided
Under the premise of, new embodiment can be formed between various embodiments described below or between each technical characteristic in any combination.
A kind of food cans apply the aqueous ecologic coating of heat cure outside, which is characterized in that by the as follows of weight percentage
Component is prepared:
Aqueous film-forming resin 50-65%, water-compatible amino resin 5-10%, aqueous solvent 5-10%, dispersing agent 0.1-1%,
Antirust agent 0.1-2%, adhesion promoter 1-5%, metal antioxidant 0.3-4%, coalescing agent 0.1-3%, wetting aid
0.3-1%, leveling auxiliary agent 0.3-1%, antifoam additives 0.5-1%, anti-shrinkage cavity auxiliary agent 0.1-1%, thickener 0.1-1%, nanometer
Filler material 1-10%, pigment 4-16%, the deionized water of surplus.
As preferred embodiment, the nano-filled material is the nano-calcium carbonate of Shenzhen Jin Haohui scientific & technical corporation production
One or more of calcium, kaolin, barium sulfate.
As preferred embodiment, the pigment be Clariant Corporation production for the red of baking vanish system, yellow,
One of blue, black, the contour performance pigment of white.
As preferred embodiment, the red pigment is that the LC of Clariant Corporation production is red；The yellow uitramarine is
The HR of Clariant Corporation production is yellow；The blue pigment is that the A4R of Clariant Corporation production is blue；The black pigment is carbon black；
The white pigment is titanium dioxide.
As preferred embodiment, the aqueous film-forming resin is resin aqueous emulsion, which is poly-
One of urethane lotion, acrylic emulsion, polyurethane-acrylate copolymer emulsion and Epoxy Modified Styrene Acrylate Emulsion.
As preferred embodiment, the water-compatible amino resin is the CYTEC chemical company of U.S. Qing Te company production
CYMEL303, one of 325.
As preferred embodiment, the aqueous solvent is ethylene glycol monobutyl ether, butyl, propylene glycol monomethyl ether
One of acetate and ethyl alcohol.
As preferred embodiment, the dispersing agent is the Aron T-61 or LAMBERTI of East Asia Synesis Company production
One or more of the POLIROL DS-19 of (Ning Baidi) company production.
As preferred embodiment, the antirust agent is the antirust agent of AMP-95.
As preferred embodiment, the adhesion promoter is the silok6651 of Si Luoke company production, in 6208
One or more.
As preferred embodiment, the metal antioxidant is the model CB- of Guangzhou Xuan Ning chemical company production
1221 antioxidant.
As preferred embodiment, the coalescing agent is the model of Guangzhou Feng Tian chemical company production
12 coalescing agent of COASOL290 coalescing agent or alcohol ester.
As preferred embodiment, the leveling auxiliary agent is the levelling agent of the model 432 of German Digao company production.
As preferred embodiment, the wetting aid is the wetting of the model WET270 of German Digao company production
Agent.
As preferred embodiment, the antifoam additives are the defoaming agent of the model 720 of German Digao company production.
As preferred embodiment, the anti-shrinkage cavity auxiliary agent be Si Luoke company production model silok8000 or
One of the model CA-170 of Guangzhou Xuan Ning chemical company production.
As preferred embodiment, the thickener is the model ViscoPlus3010 of German Digao company production
Thickener.
A kind of food cans apply the preparation method of the aqueous ecologic coating of heat cure outside, comprising the following steps:
Material preparation step: being weighed each raw material by formulation ratio respectively, spare；
Whipping step: by the aqueous film-forming resin of formula ratio, water-compatible amino resin, water-soluble solvent, deionized water, defoaming
Agent, dispersing agent, nano-filled material, pigment sequentially add in dispersion machine, after mixing evenly, obtain being stirred material；Mixing speed
It is 1000-1200 revs/min, mixing time is 60 minutes；
Grinding steps: it will be stirred in material addition grinder and grind, grind 3 to 5 times, until grain diameter reaches
100-150 nanometers, obtain ground and mixed material；
Dispersion steps: by the antirust agent of formula ratio, adhesion promoter, metal antioxidant, coalescing agent, wetting agent, stream
Flat agent, anticrater agent, thickener are successively added in ground and mixed material, are then stirred evenly with dispersion machine, obtain outside food cans
Apply the aqueous ecologic coating of heat cure；Dispersion machine mixing speed is 800-1000 revs/min, and mixing time is 30 minutes.
A kind of food cans apply the construction method of the aqueous ecologic coating of heat cure outside, by food described in an object of the present invention
Product tank applies the aqueous ecologic coating of heat cure outside and is sprayed on the outer wall of food cans, then toasts 30 under the conditions of 185 DEG C of temperature
Minute, form film layer.
It is specific embodiment of the present invention below, used raw material, equipment etc. remove special limit in the following embodiments
It can be obtained by buying pattern outside fixed.
Embodiment 1:
A kind of food cans apply the aqueous ecologic coating of heat cure outside, by the following component preparation of weight percentage
At: aqueous film-forming resin 50%, water-compatible amino resin 6%, aqueous solvent 8%, dispersing agent 0.5%, antirust agent 0.1%, attachment
Power promotor 2.5%, metal antioxidant 0.3%, coalescing agent 2%, wetting aid 0.3%, leveling auxiliary agent 0.3%, defoaming helps
Agent 0.5%, anti-shrinkage cavity auxiliary agent 0.5%, thickener 0.1%, nano-filled material 5%, pigment 16%, the deionized water of surplus.
In the program, the pigment used is titanium dioxide.
A kind of food cans apply the preparation method of the aqueous ecologic coating of heat cure outside, comprising the following steps:
Material preparation step: being weighed each raw material by formulation ratio respectively, spare；
Whipping step: by the aqueous film-forming resin of formula ratio, water-compatible amino resin, water-soluble solvent, deionized water, defoaming
Agent, dispersing agent, nano-filled material, pigment sequentially add in dispersion machine, after mixing evenly, obtain being stirred material；Mixing speed
It is 1000-1200 revs/min, mixing time is 60 minutes；
Grinding steps: it will be stirred in material addition grinder and grind, grind 3 to 5 times, until grain diameter reaches
100-150 nanometers, obtain ground and mixed material；
Dispersion steps: by the antirust agent of formula ratio, adhesion promoter, metal antioxidant, coalescing agent, wetting agent, stream
Flat agent, anticrater agent, thickener are successively added in ground and mixed material, are then stirred evenly with dispersion machine, obtain outside food cans
Apply the aqueous ecologic coating of heat cure；Dispersion machine mixing speed is 800-1000 revs/min, and mixing time is 30 minutes.
Embodiment 2:
A kind of food cans apply the aqueous ecologic coating of heat cure outside, by the following component preparation of weight percentage
At: aqueous film-forming resin 55%, water-compatible amino resin 7%, aqueous solvent 10%, dispersing agent 0.5%, antirust agent 0.1%, attachment
Power promotor 2.5%, metal antioxidant 0.3%, coalescing agent 2%, wetting aid 0.3%, leveling auxiliary agent 0.3%, defoaming helps
Agent 0.5%, anti-shrinkage cavity auxiliary agent 0.5%, thickener 0.5%, nano-filled material 5%, pigment 5.5%, the deionized water of surplus.
In the program, the pigment used is red pigment.
A kind of food cans apply the preparation method of the aqueous ecologic coating of heat cure outside, comprising the following steps:
Material preparation step: being weighed each raw material by formulation ratio respectively, spare；
Whipping step: by the aqueous film-forming resin of formula ratio, water-compatible amino resin, water-soluble solvent, deionized water, defoaming
Agent, dispersing agent, nano-filled material, pigment sequentially add in dispersion machine, after mixing evenly, obtain being stirred material；Mixing speed
It is 1000-1200 revs/min, mixing time is 60 minutes；
Grinding steps: it will be stirred in material addition grinder and grind, grind 3 to 5 times, until grain diameter reaches
100-150 nanometers, obtain ground and mixed material；
Dispersion steps: by the antirust agent of formula ratio, adhesion promoter, metal antioxidant, coalescing agent, wetting agent, stream
Flat agent, anticrater agent, thickener are successively added in ground and mixed material, are then stirred evenly with dispersion machine, obtain outside food cans
Apply the aqueous ecologic coating of heat cure；Dispersion machine mixing speed is 800-1000 revs/min, and mixing time is 30 minutes.
Embodiment 3:
A kind of food cans apply the aqueous ecologic coating of heat cure outside, by the following component preparation of weight percentage
At: aqueous film-forming resin 60%, water-compatible amino resin 8%, aqueous solvent 8%, dispersing agent 0.5%, antirust agent 0.1%, attachment
Power promotor 2.5%, metal antioxidant 0.3%, coalescing agent 2%, wetting aid 0.3%, leveling auxiliary agent 0.3%, defoaming helps
Agent 0.5%, anti-shrinkage cavity auxiliary agent 0.5%, thickener 0.5%, nano-filled material 4%, pigment 4.5%, the deionized water of surplus.
In the program, the pigment used is yellow uitramarine.
A kind of food cans apply the preparation method of the aqueous ecologic coating of heat cure outside, comprising the following steps:
Material preparation step: being weighed each raw material by formulation ratio respectively, spare；
Whipping step: by the aqueous film-forming resin of formula ratio, water-compatible amino resin, water-soluble solvent, deionized water, defoaming
Agent, dispersing agent, nano-filled material, pigment sequentially add in dispersion machine, after mixing evenly, obtain being stirred material；Mixing speed
It is 1000-1200 revs/min, mixing time is 60 minutes；
Grinding steps: it will be stirred in material addition grinder and grind, grind 3 to 5 times, until grain diameter reaches
100-150 nanometers, obtain ground and mixed material；
Dispersion steps: by the antirust agent of formula ratio, adhesion promoter, metal antioxidant, coalescing agent, wetting agent, stream
Flat agent, anticrater agent, thickener are successively added in ground and mixed material, are then stirred evenly with dispersion machine, obtain outside food cans
Apply the aqueous ecologic coating of heat cure；Dispersion machine mixing speed is 800-1000 revs/min, and mixing time is 30 minutes.
Embodiment 4:
A kind of food cans apply the aqueous ecologic coating of heat cure outside, which is characterized in that by the as follows of weight percentage
Component is prepared: aqueous film-forming resin 65%, water-compatible amino resin 8%, aqueous solvent 6%, dispersing agent 0.5%, antirust agent
0.1%, adhesion promoter 2.5%, metal antioxidant 0.3%, coalescing agent 2%, wetting aid 0.3%, leveling auxiliary agent
0.3%, antifoam additives 0.5%, anti-shrinkage cavity auxiliary agent 0.5%, thickener 0.5%, nano-filled material 4%, pigment 4%, surplus
Deionized water.
In the program, the pigment used is black pigment.
A kind of food cans apply the preparation method of the aqueous ecologic coating of heat cure outside, comprising the following steps:
Material preparation step: being weighed each raw material by formulation ratio respectively, spare；
Whipping step: by the aqueous film-forming resin of formula ratio, water-compatible amino resin, water-soluble solvent, deionized water, defoaming
Agent, dispersing agent, nano-filled material, pigment sequentially add in dispersion machine, after mixing evenly, obtain being stirred material；Mixing speed
It is 1000-1200 revs/min, mixing time is 60 minutes；
Grinding steps: it will be stirred in material addition grinder and grind, grind 3 to 5 times, until grain diameter reaches
100-150 nanometers, obtain ground and mixed material；
Dispersion steps: by the antirust agent of formula ratio, adhesion promoter, metal antioxidant, coalescing agent, wetting agent, stream
Flat agent, anticrater agent, thickener are successively added in ground and mixed material, are then stirred evenly with dispersion machine, obtain outside food cans
Apply the aqueous ecologic coating of heat cure；Dispersion machine mixing speed is 800-1000 revs/min, and mixing time is 30 minutes.
Performance detection:
The food cans that embodiment 1 is prepared are applied the aqueous ecologic coating of heat cure outside to be sprayed on set-iron respectively,
Then it is toasted 30 minutes under the conditions of 185 DEG C of temperature, forms film layer.Set-iron after providing spraying, is denoted as metal-like
Plate 1；
The test item of set-iron is as follows:
1, Sulfur tolerance is tested:
Device name: electronic balance, model ME104E, thermostatical oil bath, model HH-S；
Environmental condition: temperature: 24 DEG C；Humidity: 53%RH；
Test condition: being immersed in sample in the closed container of 0.5% (mass fraction) sodium sulfide solution, and by closed appearance
Device is placed in oil bath pan, is heated up to 121 DEG C, is taken out after constant temperature 30min.
Test result is shown in Table 1:
Table 1
| Sample number into spectrum | Test result (visual inspection) |
| Set-iron 1 | Sample appearance is without significant change |
2, solvent resistance is tested:
Environmental condition: temperature: 24 DEG C；Humidity: 53%RH；
Test condition: MEK immersion treatment 1 hour (22 DEG C ± 5 DEG C of temperature).
Test result is shown in Table 2:
Table 2
| Sample number into spectrum | Test result (visual inspection) |
| Set-iron 1 | Sample appearance is without significant change |
3, acid resistance is tested:
Device name: electronic balance, model ME104E, thermostatical oil bath, model HH-S；
Environmental condition: temperature: 24 DEG C；Humidity: 53%RH；
Test condition: sample is immersed in the closed container of 2% (mass fraction) citric acid, two ammonia solution, and will be closed
Container is placed in oil bath pan, is heated up to 121 DEG C, is taken out after constant temperature 30min.
Test result is shown in Table 3:
Table 3
| Sample number into spectrum | Test result (visual inspection) |
| Set-iron 1 | Sample appearance is without significant change |
4, the contact of GB4806.10-2016 national food safety standard food coating and coating.
Organoleptic requirements: test method GB4806.10-2016；
Gross migration: test method GB31604.1-2015&GB31604.8-2016,10% ethyl alcohol of food simulants；Inspection
20 DEG C of 1d of survey condition；
Heavy metal (in terms of lead): test method GB31604.9-2016,4% acetic acid of food simulants；60 DEG C of testing conditions
2h；
Test result is shown in Table 4:
Table 4
5, the contact of GB4806.9-2016 national food safety standard food coating and coating.
Organoleptic requirements: test method GB4806.9-2016；
Arsenic: test method GB31604.38-2016,4% acetic acid of food simulants；Testing conditions boil 30min, and room temperature is put
It sets for 24 hours；
Lead: test method GB31604.34-2016,4% acetic acid of food simulants；Testing conditions boil 30min, and room temperature is put
It sets for 24 hours；
Chromium: test method GB31604.25-2016,4% acetic acid of food simulants；Testing conditions boil 30min, and room temperature is put
It sets for 24 hours；
Cadmium: test method GB31604.24-2016,4% acetic acid of food simulants；Testing conditions boil 30min, and room temperature is put
It sets for 24 hours；
Nickel: test method GB31604.33-2016,4% acetic acid of food simulants；Testing conditions boil 30min, and room temperature is put
It sets for 24 hours；
Test result is shown in Table 5:
Table 5
6, (2004) 1 European Council of ResAP is about the quasi- coating resolution contacted with food and European Parliament and council
Regulation (EC) No.1935/2004 about the quasi- material and product contacted with food.
Gross migration: test method BSEN1186-3:2002,10% ethyl alcohol of food simulants；40 DEG C of 1d of testing conditions；
Test result is shown in Table 6:
Table 6
7, GB9685-2016 national food safety standard food contact material and product use standard with additive.
Melamine Special migration: test method GB31604.15-2016,10% ethyl alcohol of food simulants；Detector bar
40 DEG C of part is for 24 hours；
Bisphenol-A Special migration: test method GB31604.10-2016,10% ethyl alcohol of food simulants；Testing conditions 40
℃24h；
Phthalic acid ester Special migration: test method GB31604.30-2016,10% ethyl alcohol of food simulants；Inspection
40 DEG C of survey condition is for 24 hours；
Test result is shown in Table 7:
Table 7
8, National Standard of the People's Republic of China GB24613-2009.
Total lead content: application method GB24613-2009 appendix A is analyzed by ICP-OES；
Soluble elements content: application method GB24613-2009 Appendix B is analyzed by ICP-OES；
Phthalic acid ester content: application method GB24613-2009 appendix C is analyzed by GC-MS；
Volatile organic compounds (VOC) content: application method GB24613-2009 Appendix D, by analyzing and calculating survey
Volatile compound content in random sample product；
Benzene content: application method GB24613-2009 annex E is analyzed by GC-MS；
Toluene, ethylbenzene, xylene content: application method GB24613-2009 annex E is analyzed by GC-MS；
Test result is shown in Table 8:
Table 8
9, the chloroform extract after coating-correction of FDA21CFR175.300 resin and polymer (is corrected through zinc extract
(in terms of zinc oleate)).
Total residue 1: test method FDA21CFR175.300, food simulants water；Testing conditions 70.F,24h；
Total residue 2: test method FDA21CFR175.300,8% ethyl alcohol of food simulants；Testing conditions 70.F,24h；
Total residue 3: test method FDA21CFR175.300, food simulants normal heptane；Testing conditions 70.F,24h；
Test result is shown in Table 9:
Table 9
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of food cans apply the aqueous ecologic coating of heat cure outside, which is characterized in that by weight percentage such as the following group
Divide and be prepared: aqueous film-forming resin 50-65%, water-compatible amino resin 5-10%, aqueous solvent 5-10%, dispersing agent 0.1-
1%, antirust agent 0.1-2%, adhesion promoter 1-5%, metal antioxidant 0.3-4%, coalescing agent 0.1-3%, wetting help
Agent 0.3-1%, leveling auxiliary agent 0.3-1%, antifoam additives 0.5-1%, anti-shrinkage cavity auxiliary agent 0.1-1%, thickener 0.1-1% receive
Rice filler material 1-10%, pigment 4-16%, the deionized water of surplus.
2. food cans as described in claim 1 apply the aqueous ecologic coating of heat cure outside, which is characterized in that the nano-filled material
For one or more of the nanometer calcium carbonate of Jin Haohui scientific & technical corporation, Shenzhen production, kaolin, barium sulfate.
3. food cans as described in claim 1 apply the aqueous ecologic coating of heat cure outside, which is characterized in that the pigment is section's Lay
The production of benefactor department for one of the red of baking vanish system, yellow, blue, black, white contour performance pigment.
4. food cans as claimed in claim 3 apply the aqueous ecologic coating of heat cure outside, which is characterized in that the red pigment is
The LC of Clariant Corporation production is red；The yellow uitramarine is that the HR of Clariant Corporation production is yellow；The blue pigment is Clariant
The A4R of company's production is blue；The black pigment is carbon black；The white pigment is titanium dioxide.
5. food cans as described in claim 1 apply the aqueous ecologic coating of heat cure outside, which is characterized in that the waterborne film-forming tree
Rouge is resin aqueous emulsion, which is polyaminoester emulsion, acrylic emulsion, polyurethane-acrylate copolymer emulsion
One of with Epoxy Modified Styrene Acrylate Emulsion.
6. food cans as described in claim 1 apply the aqueous ecologic coating of heat cure outside, which is characterized in that the aqueous amino tree
Rouge is one of the CYMEL303 of the CYTEC chemical company of U.S. Qing Te company production, 325 models.
7. food cans as described in claim 1 apply the aqueous ecologic coating of heat cure outside, which is characterized in that the aqueous solvent is
One of ethylene glycol monobutyl ether, butyl, propylene glycol methyl ether acetate and ethyl alcohol.
8. food cans as described in claim 1 apply the aqueous ecologic coating of heat cure outside, which is characterized in that the dispersing agent is east
The model Aron T-61 of the sub- Synesis Company's production or model POLIROL DS-1 of Lamberti production；The antirust dosage form
Number be AMP-95 antirust agent；The adhesion promoter is the model silok6651 of Si Luoke company production, in 6208
It is a kind of；The metal antioxidant is the antioxidant of the model model CB-1221 of Guangzhou Xuan Ning chemical company production；The film forming
Auxiliary agent is 12 coalescing agent of model COASOL290 coalescing agent or alcohol ester of Guangzhou Feng Tian chemical company production；The stream
Flat auxiliary agent is the levelling agent of the model 432 of German Digao company production；The wetting aid is German Digao company production
The wetting agent of model WET270；The antifoam additives are the defoaming agent of the model 720 of German Digao company production；It is described anti-
Shrinkage cavity auxiliary agent is the model silok8000 of Si Luoke company production or the model CA-170 of Guangzhou Xuan Ning chemical company production
Anti- shrinkage cavity auxiliary agent；The thickener is the thickener of the model ViscoPlus3010 of German Digao company production.
9. a kind of food cans as described in claim 1-8 any one apply the preparation method of the aqueous ecologic coating of heat cure outside,
Characterized by comprising the following steps:
Material preparation step: being weighed each raw material by formulation ratio respectively, spare；
Whipping step: by the aqueous film-forming resin of formula ratio, water-compatible amino resin, water-soluble solvent, deionized water, defoaming agent,
Dispersing agent, nano-filled material, pigment sequentially add in dispersion machine, after mixing evenly, obtain being stirred material；Mixing speed is
1000-1200 revs/min, mixing time is 60 minutes；
Grinding steps: it will be stirred in material addition grinder and grind, grind 3 to 5 times, until grain diameter reaches 100-
150 nanometers, obtain ground and mixed material；
Dispersion steps: by the antirust agent of formula ratio, adhesion promoter, metal antioxidant, coalescing agent, wetting agent, levelling agent,
Anticrater agent, thickener are successively added in ground and mixed material, are then stirred evenly with dispersion machine, obtain food cans and apply thermosetting outside
Change aqueous ecologic coating；Dispersion machine mixing speed is 800-1000 revs/min, and mixing time is 30 minutes.
10. a kind of food cans as described in claim 1-8 any one apply the construction method of the aqueous ecologic coating of heat cure outside,
It is sprayed on the outer wall of food cans it is characterized in that, the food cans are applied the aqueous ecologic coating of heat cure outside, then 185
DEG C temperature under the conditions of toast 30 minutes, formed film layer.
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