CN102952443A - Waterborne coating - Google Patents
Waterborne coating Download PDFInfo
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- CN102952443A CN102952443A CN2011102535318A CN201110253531A CN102952443A CN 102952443 A CN102952443 A CN 102952443A CN 2011102535318 A CN2011102535318 A CN 2011102535318A CN 201110253531 A CN201110253531 A CN 201110253531A CN 102952443 A CN102952443 A CN 102952443A
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Abstract
The invention belongs to the technical field of coating, particularly relates to a waterborne coating, and aims at providing a waterborne coating with strong adhesion and without peculiar smell. The waterborne coating comprises the following components in percentage by weight: 20-45% of waterborne acrylics composition, 0.1-1% of pH value regulator, 5-18% of curing agent composition, 0.1-1% of functional auxiliary and the balance of deionized water, wherein the waterborne acrylics composition comprises pure acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin and deionized water; and the curing agent composition comprises amino resin, amine curing agent, blocked isocyanate, adhesion promoter, film forming auxiliary and deionized water. The waterborne coating has the beneficial effects that (1) adhesion is strong: by mixing and introducing the amino resin, amine curing agent, blocked isocyanate and adhesion promoter, the coating density and the adhesion with base material are effectively improved; and (2) no peculiar smell is generated: because the waterborne acrylics composition is free of the monomer, the waterborne coating does not generate peculiar smell in high-temperature (150-200 DEG C) baking after coating and curing.
Description
Technical field
The invention belongs to technical field of coatings, relate in particular to a kind of water-borne coatings.
Background technology
Aluminium foil can protect unlined aluminium not corroded from the aluminum oxide film that forms one deck densification in air; but when being in drying and watering cycle, acidity, alkalescence, oceanic climate and the industrial atmosphere; oxide film easily reacts and disappears; rapid oxidation or galvanic corrosion then occur in interior metal aluminium; meeting accelerated corrosion; improve and improve the antiseptic property of aluminium foil, must carry out rotproofing to it.There is the defective of two aspects in the protective system that is used in now aluminium foil: on the one hand, be coated with thinly, poor adhesive force can not be effectively anticorrosion; On the other hand, Tu Dehou in use, especially can produce peculiar smell in thermal environment, as it is used among air-conditioning, can produce peculiar smell when air-conditioning heating.
Summary of the invention
Problem to be solved by this invention provides the water-borne coatings of a kind of strong adhesion, free from extraneous odour.
In order to address the above problem, technical scheme provided by the present invention is:
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 20-45, pH value conditioning agent 0.1-1, curing agent composition 5-18, functional agent 0.1-1, deionized water surplus; The component of described water soluble acrylic acid lipid composite comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of described each component is: pure-acrylic emulsion 70-85, waterborne epoxy modified resin 0.1-1, waterborne polyurethane resin 0-4, deionized water surplus; The component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 15-40, amine curing agent 0.1-1.5, blocked isocyanate 2-15, adhesion promoter 2-12, film coalescence aid 10-50, deionized water surplus.
Preferably, described PH conditioning agent is aminated compounds.
Preferably, described aminated compounds is diethanolamine, trolamine, ammoniacal liquor, N, at least a in the N dimethylethanolamine.
Preferably, described functional agent comprises at least a in the ionic surface active agent of sulfosuccinic salt acids or the Siloxane-Oxyalkylene Copolymers.
Preferably, described aminoresin comprises one or more mixtures in the aminoresin of whole methyl-etherifieds or part methyl-etherified.
Preferably, described adhesion promoter comprises at least a in the resene adhesion promoter of hydroxyl, carboxyl, ehter bond or sulfoamido group or the silane coupling agent.
Preferably, described film coalescence aid comprises ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol only son
At least a in ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
The present invention also provides a kind of method for preparing described water-borne coatings, may further comprise the steps,
S
1. preparation water-borne acrylic resin based composition may further comprise the steps:
A. rotating speed is under the 800-1200rpm/min condition, and waterborne epoxy modified resin slowly adds in the pure-acrylic emulsion, stirs 30-60min;
B. rotating speed is under the 700-900rpm/min condition, and waterborne polyurethane resin is added in the above-mentioned steps system;
C. restir 20-50min adds deionized water simultaneously;
S
2. the preparation curing agent composition may further comprise the steps:
A. aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid are mixed;
B. stir 10min-30min, rotating speed is 800rpm-1200rpm;
C. restir 20min-50min adds deionized water simultaneously;
S
3. in the water-borne acrylic resin based composition, add the pH value conditioning agent;
S
4. stir 20min-75min, rotating speed is 800rpm-1200rpm, simultaneously curing agent composition, functional agent, deionized water is added the water-borne acrylic resin based composition.
Beneficial effect of the present invention is:
1. strong adhesion.By mix to introduce aminoresin, amine curing agent, blocked isocyanate and adhesion promoter Effective Raise coating density and with the sticking power of base material.
2. free from extraneous odour.At present behind the water-borne coatings coated solidified in the industry under hot environment (150-200 ℃) can give out a kind of pungent smell, have a strong impact on processibility and the use properties of aluminium foil products, this smell mostly is that the residual monomer volatilization causes in the high temperature lower substrate resin, this monomer mostly is methyl acrylate, ethyl ester and β-dimethyl-aminoethylmethacrylate etc., because not containing above monomer, high temperature behind the water-borne coatings coated solidified (150-200 ℃) toasted free from extraneous odour during water soluble acrylic acid lipid mixtures among the present invention formed.
Embodiment
In order more clearly to set forth technical scheme of the present invention, clearly illustrate below in conjunction with concrete embodiment.Obviously; cited embodiment is the preferred embodiment of the present invention; those skilled in the art are according to technological line provided by the present invention, and the other technologies scheme of obtaining apparently in conjunction with prior art and the disclosed technology contents of the technical program still belongs to protection scope of the present invention.
Embodiment 1
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 20, pH value conditioning agent 0.2, curing agent composition 5, functional agent 0.2, deionized water 74.6.
The component of the water-and acrylate based composition described in the present embodiment comprises pure-acrylic emulsion, waterborne epoxy modified resin, and deionized water, the weight percent of each component are pure-acrylic emulsion 70, waterborne epoxy modified resin 0.2, deionized water 29.8;
The component of the curing agent composition described in the present embodiment comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 15, amine curing agent 0.1, blocked isocyanate 8, adhesion promoter 2, film coalescence aid 15, deionized water 59.9.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 2
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 23, pH value conditioning agent 0.1, curing agent composition 7, functional agent 0.3, deionized water 69.6.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 72, waterborne epoxy modified resin 0.1, waterborne polyurethane resin 2.6, deionized water 25.3;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 17, amine curing agent 0.3, blocked isocyanate 5, adhesion promoter 4, film coalescence aid 10, deionized water 63.7.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 3
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 25, pH value conditioning agent 0.8, curing agent composition 18, functional agent 0.5, deionized water 55.7.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 73, waterborne epoxy modified resin 0.3, waterborne polyurethane resin 0.8, deionized water 35.9;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 36, amine curing agent 0.8, blocked isocyanate 7, adhesion promoter 3, film coalescence aid 20, deionized water 49.2.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 4
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 28, pH value conditioning agent 0.9, curing agent composition 16, functional agent 0.4, deionized water 54.7.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 75, waterborne epoxy modified resin 0.5, waterborne polyurethane resin 0.4, deionized water 24.1;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 23, amine curing agent 0.5, blocked isocyanate 15, adhesion promoter 7, film coalescence aid 25, deionized water 31.5.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 5
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 30, pH value conditioning agent 0.3, curing agent composition 14, functional agent 0.6, deionized water 55.1.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 76, waterborne epoxy modified resin 0.4, waterborne polyurethane resin 1.1, deionized water 22.5;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 26, amine curing agent 1, blocked isocyanate 3, adhesion promoter 12, film coalescence aid 50, deionized water 18.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 6
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 33, pH value conditioning agent 0.4, curing agent composition 12, functional agent 0.7, deionized water 53.9.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 78, waterborne epoxy modified resin 0.8, waterborne polyurethane resin 1.9, deionized water 29.3;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 20, amine curing agent 1.2, blocked isocyanate 6, adhesion promoter 5, film coalescence aid 45, deionized water 12.8.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 7
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 36, pH value conditioning agent 0.4, curing agent composition 8, functional agent 0.9, deionized water 54.7.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 79, waterborne epoxy modified resin 0.7, waterborne polyurethane resin 2.1, deionized water 18.2;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 31, amine curing agent 1.4, blocked isocyanate 10, adhesion promoter 4, film coalescence aid 41, deionized water 12.6.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 8
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 39, pH value conditioning agent 0.7, curing agent composition 9, functional agent 0.8, deionized water 50.5.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 81, waterborne epoxy modified resin 0.6, waterborne polyurethane resin 1.5, deionized water 16.9;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 30, amine curing agent 1.5, blocked isocyanate 12, adhesion promoter 9, film coalescence aid 35, deionized water 12.5.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 9
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 42, pH value conditioning agent 1, curing agent composition 10, functional agent 0.1, deionized water 46.9.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component are pure-acrylic emulsion 83, waterborne epoxy modified resin 1, waterborne polyurethane resin 3, deionized water 13;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 29, amine curing agent 0.7, blocked isocyanate 14, adhesion promoter 11, film coalescence aid 30, deionized water 16.3.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 10
A kind of water-borne coatings, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 45, pH value conditioning agent 0.5, curing agent composition 6, functional agent 1, deionized water 47.5.
In the present embodiment, the component of described water-and acrylate based composition comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of each component is pure-acrylic emulsion 85, waterborne epoxy modified resin 0.9, waterborne polyurethane resin 3.5, deionized water 10.6;
In the present embodiment, the component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 29, amine curing agent 0.6, blocked isocyanate 2, adhesion promoter 6, film coalescence aid 37.6, deionized water 13.4.
In the present embodiment, the pH value conditioning agent can be for any alkaline jointing compound, and is concrete such as diethanolamine, trolamine, ammoniacal liquor, N such as the amine conditioning agent, one or more in the N dimethylethanolamine; Functional agent is ionic surface active agent or the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids, or ionic surface active agent and the Siloxane-Oxyalkylene Copolymers of sulfosuccinic salt acids; Aminoresin is part methyl-etherified aminoresin or part methyl-etherified aminoresin, or the mixture of part methyl-etherified aminoresin and part methyl-etherified aminoresin; Adhesion promoter comprises the resene adhesion promoter of hydroxyl or carboxyl or ehter bond or sulfoamido group, or in the silane coupling agent one or more; Film coalescence aid is a kind of or several arbitrarily in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether.
Embodiment 11
A kind of method for preparing described water-borne coatings may further comprise the steps:
S
1. preparation water-borne acrylic resin based composition may further comprise the steps:
A. rotating speed is under the 800rpm/min condition, and waterborne epoxy modified resin slowly adds in the pure-acrylic emulsion, stirs 30min;
B. rotating speed is under the 700rpm/min condition, and waterborne polyurethane resin is added in the above-mentioned steps system;
C. restir 20min adds deionized water simultaneously;
S
2. the preparation curing agent composition may further comprise the steps:
A. aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid are mixed;
B. stir 10min, rotating speed is 800rpm;
C. restir 20min adds deionized water simultaneously;
S
3. in the water-borne acrylic resin based composition, add the pH value conditioning agent, the pH value of water-borne acrylic resin based composition is transferred to 8-9;
S
4. stir 20min, rotating speed is 800rpm, simultaneously curing agent composition, functional agent, deionized water is added the water-borne acrylic resin based composition.
Embodiment 12
A kind of method for preparing described water-borne coatings may further comprise the steps:
S
1. preparation water-borne acrylic resin based composition may further comprise the steps:
A. rotating speed is under the 900rpm/min condition, and waterborne epoxy modified resin slowly adds in the pure-acrylic emulsion, stirs 40min;
B. rotating speed is under the 760rpm/min condition, and waterborne polyurethane resin is added in the above-mentioned steps system;
C. restir 30min adds deionized water simultaneously;
S
2. the preparation curing agent composition may further comprise the steps:
A. aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid are mixed;
B. stir 18min, rotating speed is 1000rpm;
C. restir 30min adds deionized water simultaneously;
S
3. in the water-borne acrylic resin based composition, add the pH value conditioning agent, the pH value of water-borne acrylic resin based composition is transferred to 8-9;
S
4. stir 35min, rotating speed is 900rpm, simultaneously curing agent composition, functional agent, deionized water is added the water-borne acrylic resin based composition.
Embodiment 13
A kind of method for preparing described water-borne coatings may further comprise the steps:
S
1. preparation water-borne acrylic resin based composition may further comprise the steps:
A. rotating speed is under the 1000rpm/min condition, and waterborne epoxy modified resin slowly adds in the pure-acrylic emulsion, stirs 50min;
B. rotating speed is under the 850rpm/min condition, and waterborne polyurethane resin is added in the above-mentioned steps system;
C. restir 40min adds deionized water simultaneously;
S
2. the preparation curing agent composition may further comprise the steps:
A. aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid are mixed;
B. stir 25min, rotating speed is 1000rpm;
C. restir 40min adds deionized water simultaneously;
S
3. in the water-borne acrylic resin based composition, add the pH value conditioning agent,, the pH value of water-borne acrylic resin based composition is transferred to 8-9;
S
4. stir 55min, rotating speed is 1100rpm, simultaneously curing agent composition, functional agent, deionized water is added the water-borne acrylic resin based composition.
Embodiment 14
A kind of method for preparing described water-borne coatings may further comprise the steps:
S
1. preparation water-borne acrylic resin based composition may further comprise the steps:
A. rotating speed is under the 1200rpm/min condition, and waterborne epoxy modified resin slowly adds in the pure-acrylic emulsion, stirs 60min;
B. rotating speed is under the 900rpm/min condition, and waterborne polyurethane resin is added in the above-mentioned steps system;
C. restir 50min adds deionized water simultaneously;
S
2. the preparation curing agent composition may further comprise the steps:
A. aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid are mixed;
B. stir 30min, rotating speed is 1200rpm;
C. restir 50min adds deionized water simultaneously;
S
3. in the water-borne acrylic resin based composition, add the pH value conditioning agent, the pH value of water-borne acrylic resin based composition is transferred to 8-9;
S
4. stir 75min, rotating speed is 1200rpm, simultaneously curing agent composition, functional agent, deionized water is added the water-borne acrylic resin based composition.
Among the embodiment 11 to 12, S
1, S
2Order part successively; The material that each step will enter among the embodiment 11 to 12 and weight percent thereof can be selected component and the content of arbitrary embodiment among the embodiment 1 to 10.
Coating described in the present invention can be used for the surface of the metallic substance such as aluminium, copper, steel, especially can be used for the paper tinsel metalloid surfaces such as aluminium foil, Copper Foil, plays the anticorrosion effect of doing, and also can not produce peculiar smell simultaneously.
Claims (8)
1. a water-borne coatings is characterized in that, the component of described water-borne coatings and weight percent are: water-and acrylate based composition 20-45, pH value conditioning agent 0.1-1, curing agent composition 5-18, functional agent 0.1-1, deionized water surplus;
The component of described water soluble acrylic acid lipid composite comprises pure-acrylic emulsion, waterborne epoxy modified resin, waterborne polyurethane resin, and deionized water, the weight percent of described each component is: pure-acrylic emulsion 70-85, waterborne epoxy modified resin 0.1-1, waterborne polyurethane resin 0-4, deionized water surplus;
The component of described curing agent composition comprises: aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid, deionized water, the weight percent of described each component is: aminoresin 15-40, amine curing agent 0.1-1.5, blocked isocyanate 2-15, adhesion promoter 2-12, film coalescence aid 10-50, deionized water surplus.
2. a kind of water-borne coatings according to claim 1 is characterized in that, described PH conditioning agent is aminated compounds.
3. a kind of water-borne coatings according to claim 2 is characterized in that, described aminated compounds is diethanolamine, trolamine, ammoniacal liquor, N, at least a in the N dimethylethanolamine.
4. a kind of water-borne coatings according to claim 3 is characterized in that, described functional agent comprises at least a in the ionic surface active agent of sulfosuccinic salt acids or the Siloxane-Oxyalkylene Copolymers.
5. a kind of water-borne coatings according to claim 4 is characterized in that, described aminoresin comprises one or more mixtures in the aminoresin of whole methyl-etherifieds or part methyl-etherified.
6. a kind of water-borne coatings according to claim 5 is characterized in that, described adhesion promoter comprises at least a in the resene adhesion promoter of hydroxyl, carboxyl, ehter bond or sulfoamido group or the silane coupling agent.
7. a kind of water-borne coatings according to claim 6 is characterized in that, described film coalescence aid comprises in ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol ether, ethylene glycol monobutyl ether, Triethylene glycol ethyl ether, the propylene glycol monomethyl ether at least a.
8. a method for preparing the described water-borne coatings of claim 1 is characterized in that, may further comprise the steps,
S
1. preparation water-borne acrylic resin based composition may further comprise the steps:
A. rotating speed is under the 800-1200rpm/min condition, and waterborne epoxy modified resin slowly adds in the pure-acrylic emulsion, stirs 30-60min;
B. rotating speed is under the 700-900rpm/min condition, and waterborne polyurethane resin is added in the above-mentioned steps system;
C. restir 20-50min adds deionized water simultaneously;
S
2. the preparation curing agent composition may further comprise the steps:
A. aminoresin, amine curing agent, blocked isocyanate, adhesion promoter, film coalescence aid are mixed;
B. stir 10min-30min, rotating speed is 800rpm-1200rpm;
C. restir 20min-50min adds deionized water simultaneously;
S
3. in the water-borne acrylic resin based composition, add the pH value conditioning agent;
S
4. stir 20min-75min, rotating speed is 800rpm-1200rpm, simultaneously curing agent composition, functional agent, deionized water is added the water-borne acrylic resin based composition.
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| CN2011102535318A CN102952443A (en) | 2011-08-30 | 2011-08-30 | Waterborne coating |
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| CN2011102535318A CN102952443A (en) | 2011-08-30 | 2011-08-30 | Waterborne coating |
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| CN103254720A (en) * | 2013-05-24 | 2013-08-21 | 合肥普庆新材料科技有限公司 | Low-temperature cured water-based glass paint and preparation method thereof |
| CN105017918A (en) * | 2015-08-03 | 2015-11-04 | 蓝星（成都）新材料有限公司 | Waterborne coating |
| CN105085789A (en) * | 2015-09-07 | 2015-11-25 | 山东天庆科技发展有限公司 | Low-temperature-resistant water-based acrylic resin and preparation method thereof |
| CN105219207A (en) * | 2015-10-28 | 2016-01-06 | 苏州赛斯德工程设备有限公司 | A kind of dumb light water-borne coatings and preparation method thereof |
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| CN103254720A (en) * | 2013-05-24 | 2013-08-21 | 合肥普庆新材料科技有限公司 | Low-temperature cured water-based glass paint and preparation method thereof |
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| CN105017918A (en) * | 2015-08-03 | 2015-11-04 | 蓝星（成都）新材料有限公司 | Waterborne coating |
| CN105085789A (en) * | 2015-09-07 | 2015-11-25 | 山东天庆科技发展有限公司 | Low-temperature-resistant water-based acrylic resin and preparation method thereof |
| CN105219207A (en) * | 2015-10-28 | 2016-01-06 | 苏州赛斯德工程设备有限公司 | A kind of dumb light water-borne coatings and preparation method thereof |
| CN105385287A (en) * | 2015-12-17 | 2016-03-09 | 常熟市梅李镇赵市永宏红木家具厂 | Antibacterial mouldproof finishing coat used for redwood furniture |
| CN106047043A (en) * | 2016-08-14 | 2016-10-26 | 安庆市沁之源电器有限公司 | Gas stove anti-static coating and preparation method thereof |
| CN106833211A (en) * | 2017-03-07 | 2017-06-13 | 沈阳宣伯新材料科技有限公司 | A kind of color steel waterborne metallic paint |
| CN108192445A (en) * | 2017-11-22 | 2018-06-22 | 宁波宣伯涂料科技有限公司 | One kind is with moisture absorption, expelling parasite, the aqueous weather-resistant coating of sustained release odor type of calming effects |
| CN109337452A (en) * | 2018-09-10 | 2019-02-15 | 镇江朝阳机电科技有限公司 | A kind of production technology of gantry corrosion resistant coating |
| CN109694639A (en) * | 2018-12-29 | 2019-04-30 | 浙江中科立德新材料有限公司 | A kind of Water-based glass baking paint and preparation method thereof |
| CN110283511A (en) * | 2019-07-12 | 2019-09-27 | 东莞市瑞盟涂料有限公司 | The coating and preparation method thereof of low VOC emission |
| CN114989682A (en) * | 2022-06-29 | 2022-09-02 | 广东衡光新材料科技有限公司 | Dip-coating paint for water-based tape measure and preparation method thereof |
| CN116002982A (en) * | 2022-07-05 | 2023-04-25 | 南通群安电子材料有限公司 | Liquid medicine suitable for high-transmittance anti-dazzle stripping etching |
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