CN105331268A - Low-carbon waterborne coating and preparation method thereof - Google Patents
Low-carbon waterborne coating and preparation method thereof Download PDFInfo
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- CN105331268A CN105331268A CN201510814835.5A CN201510814835A CN105331268A CN 105331268 A CN105331268 A CN 105331268A CN 201510814835 A CN201510814835 A CN 201510814835A CN 105331268 A CN105331268 A CN 105331268A
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- 238000002360 preparation method Methods 0.000 title claims description 17
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 60
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- 239000000463 material Substances 0.000 claims abstract description 42
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- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 4
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- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Paints Or Removers (AREA)
Abstract
The invention discloses a low-carbon waterborne coating. The coating comprises components in parts by weight as follows: 40-80 parts of a basic material, 18-26 parts of a pigment, 10-18 parts of functional filler, 0.2-0.7 parts of a rheological agent, 0.1-0.5 parts of a wetting dispersant, 0.2-0.6 parts of a substrate wetting agent, 0.2-0.5 parts of an anti-settling agent, 0.2-0.6 parts of an antifoaming agent, 0.2-0.6 parts of a thickener, 0.1-0.5 parts of a leveling agent, 2-5 parts of a flame retardant, 15-20 parts of a curing agent and 50-100 parts of deionized water. The low-carbon waterborne coating has the advantages of short drying time, high adhesion, high elasticity, medium resistance, bending resistance, flame retardance, high-and-low-temperature resistance, no adverse effect on the basic material and the like, and is an environment-friendly low-carbon waterborne coating with excellent combination properties.
Description
Technical field
The present invention relates to technical field prepared by environmental protection coating material, be specially a kind of low-carbon (LC) water-borne coatings and preparation method thereof.
Background technology
Along with the development of China Synthetic Rubber Industry, rubber item is that master expands to the various synthetic rubbers such as chloroprene rubber, nitrile rubber, isoprene-isobutylene rubber, ethylene-propylene rubber(EPR) by natural rubber, and Application Areas also constantly expands.Because rubber itself has goodish antiseptic property, again by filling, paintedly meeting general use requirement, so in the quite a long period, rubber coating and application techniques thereof do not arouse enough attention.
With seeing expanding economy, people require more and more higher to the use properties of rubber item, protective value, decorate properties.Coating not only can give rubber item excellent protective value, covers up the defect that its machine-shaping brings, and improves the ornamental of goods, and is give product surface functional performance requisite means, and therefore, the exploitation of water-borne coatings becomes the trend of industry gradually.
As Chinese invention patent application CN103087632B discloses a kind of water-miscible paint, can be widely used on the objects such as timber floor, interior wall, exterior wall, woodwork, protection against the tide, cement, leak stopping, metal products.Water-miscible paint of the present invention is containing benezene compound and formaldehyde not, has the characteristic of safety non-toxic.Water-miscible paint paint film of the present invention is firmly hard, corrosion-resistant, not mouldy, easy to use, uses energy-conservation.Production of intelligent is convenient, overcomes traditional mode of production water-miscible paint moisture volatile, the shortcoming that hand-fed composition cannot accurately control.
As Chinese invention patent application CN104341932A discloses a kind of highlight water-based wood lacquer, comprise following component and proportioning: ACRYLIC EMULSION 80 ~ 85 parts, N-Methyl pyrrolidone 2 ~ 5 parts, polar organic compounds defoamer 0.2 ~ I part, BYK-3460.3 ~ 0.5 part, propylene glycol I ~ 2 part, BYK3010.2 ~ 0.8 part, 0K6072 ~ 4 part, water miscible polyacrylate 0.5 ~ L5 part, nano-silver liquid 0.1 ~ 0.5 part, described ACRYLIC EMULSION is by following Material synthesis: butyl acrylate 33 parts of methyl methacrylates 17 parts of methacrylic acid I part deionized waters, 63 parts of alkylbenzene polyethers sodium sulfonates 1.5 parts of ammonium persulphates 0.2 part, with low cost, reasonable ratio, there is excellent water tolerance.
But it is long also to there is time of drying in current water-borne coatings, poor adhesive force, the problems such as poor flexibility, production cost are high, complex process.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of low-carbon (LC) water-borne coatings and preparation method thereof is provided, for spraying rubber item, it is short that described low-carbon (LC) water-borne coatings has time of drying, strong adhesion, elasticity is high, and media-resistant, resist bending, fire-retardant, high-low temperature resistant good, to advantages such as base material have no adverse effects, it is a kind of environmental protection low-carbon coating of excellent combination property.
The present invention can be achieved through the following technical solutions:
The invention discloses a kind of low-carbon (LC) water-borne coatings, described coating is made up of by weight following component: base-material 40 ~ 80 parts, pigment 20 ~ 30 parts, functional stuffing 10 ~ 18 parts, rheological agent 0.2 ~ 0.7 part, wetting dispersing agent 0.1 ~ 0.5 part, substrate wetting agents 0.2 ~ 0.6 part, anti-settling agent 0.2 ~ 0.5 part, defoamer 0.2 ~ 0.6 part, thickening material 0.2 ~ 0.6 part, flow agent 0.1 ~ 0.5 part, fire retardant 2 ~ 5 parts, 15 ~ 20 parts, solidifying agent, deionized water 50 ~ 100 parts;
Described base-material is the one in urethane, acrylic resin or acrylic acid modified polyurethane emulsion PUA; The acrylic acid modified polyurethane emulsion (CPU) of preferred hydroxyl, epoxy group(ing) and organosilicon radical is as the base-material of rubber coating, this is because hydroxyl, epoxide group energy and isocyanate reaction in film-forming process, make the cross-linking density of paint film large, snappiness is good, and paint film water tolerance is high; Meanwhile, in building-up process, by the elasticity regulating flexible polyurethane hard monomer ratio to adjust paint film, make it the recoverable deformation being suitable for the flexible grounds such as rubber;
Described pigment is polyaniline and aluminium-silver slurry mixture, or the mixture of polyaniline, aluminium-silver slurry and metal-powder, or the mixture of polyaniline, aluminium-silver slurry and lead-free pigment; Described functional stuffing is the one in talcum powder, silica powder, barium sulfate, calcium carbonate, mica powder, W 4600, hydronium(ion) magnesium oxide, phosphoric acid ester, antimonous oxide; Described wetting dispersing agent is polyoxyethylene, polyvinyl alcohol, polyvinylpyrrolidone, polypropylene phthalein amine, polyprotonic acid homopolymer amine salt.Add above-mentioned auxiliary agent contribute to improving the application property of coating and improve film quality.Described fire retardant is that organophosphorus-nitrogenated flame retardant and silicone flame retardant carry out composite, forms composite flame retardant system, utilizes the synergy between different flame retardant, reach good flame retardant effect.
Described solidifying agent is isocyanates or alcohol ether solvent; hydrophilic isocyanate class solidifying agent contains isocyanate groups (-N=C=O); chemical property is very active; reactive hydrogen easily and in binder resin reacts; intermolecular cross-linking density is large; compact in paint film, snappiness is good.
The resin-pigment ratio of described coating is preferably 0.6 ~ 0.7, resin-pigment ratio (P/B) is the significant parameter affecting water-borne coatings physicochemical property and mechanical property, P/B is too high, enough base-materials are not had to make color stuffing particle fully wetting, air is had to exist in pigment particles gap, make film occur hole, performance is as declines such as water resistance, sticking power, film-forming propertiess; P/B is too low, then coating can not protect matrix well, and water resistance also declines, but also can cause that the cost of coating increases, opacifying power is poor.
The preparation method of described low-carbon (LC) water-borne coatings, comprises the steps:
(1) successively the deionized water of above-mentioned dosage, 30% ~ 40% base-material, pigment, functional stuffing, rheological agent, wetting dispersing agent, substrate wetting agents are joined in material-compound tank in order, carry out pre-dispersed with stirrer, grind after material dispersion is even, obtained mill base;
(2) in grinding pot, add remaining 60% ~ 70% base-material, thickening material, anti-settling agent, defoamer, flow agent, fire retardant, solidifying agent, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack;
Stirring velocity in described step (1) is 1200 revs/min, stirs 20 ~ 40 minutes.
In described step (1), grinding plant is basket type sand mill, and mesh-of-grind will reach less than 25 μm.
A kind of low-carbon (LC) water-borne coatings of the present invention and preparation method thereof, has following beneficial effect:
The first, the feature of bound rubber coating of the present invention, the base-material chosen is suitable with elasticity with the flexibility of rubber item; Do not react with rubber ground; The sticking power of rubber surface is eager to excel; Ageing-resistant performance is eager to excel; Energy fast setting under normal temperature, easy construction, free from environmental pollution.
The second, the solidifying agent chemical property selected by the present invention is active, and the reactive hydrogen easily and in base-material reacts, and intermolecular cross-linking density is large, and compact in paint film, snappiness is good.
Three, the fire retardant that the present invention chooses is undertaken composite by organophosphorus-nitrogenated flame retardant and silicone flame retardant, the composite flame retardant system of formation, and this kind of composite flame retardant system has the synergy utilized between different flame retardant, reaches good flame retardant effect.
Four, to have time of drying short for low-carbon (LC) water-borne coatings of the present invention, strong adhesion, elasticity is high, media-resistant, resist bending, fire-retardant, high-low temperature resistant good, to advantages such as base material have no adverse effects, and preparation method is simple, with low cost, is a kind of environmental protection low-carbon (LC) extinguishing waterborn coating of excellent combination property.
Embodiment
In order to make those skilled in the art person understand technical scheme of the present invention better, below in conjunction with embodiment, technical scheme of the present invention is described in further detail.
Embodiment 1
Formula: described low-carbon (LC) water-borne coatings is made up of by weight following component: 22 parts, urethane 50 parts, polyaniline and aluminium paste mixture, talcum powder 12 parts, rheological agent 0.3 part, polyvinyl alcohol 0.2 part, substrate wetting agents 0.2 part, anti-settling agent 0.3 part, defoamer 0.4 part, thickening material 0.3 part, flow agent 0.2 part, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent 2 parts, isocyanates 6 parts, deionized water 60 parts; The resin-pigment ratio of described coating is 0.44.
The preparation method of described low-carbon (LC) water-borne coatings comprises the steps:
(1) successively the deionized water of above-mentioned dosage, 30% urethane, polyaniline and aluminium paste mixture, talcum powder, rheological agent, polyvinyl alcohol, substrate wetting agents are joined in material-compound tank in order, stirring velocity is 1200 revs/min, stir 20 minutes, carry out pre-dispersed, grind with basket type sand mill after material dispersion is even, mesh-of-grind will reach less than 25 μm, obtained mill base;
(2) in grinding pot, remaining 70% urethane, thickening material, anti-settling agent, defoamer, flow agent, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent, isocyanates is added, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack.
Embodiment 2
Formula: low-carbon (LC) water-borne coatings is made up of by weight following component: 24 parts, the mixture of acrylic resin 60 parts, polyaniline, aluminium-silver slurry and metal-powder, 12 parts, barium sulfate, rheological agent 0.5 part, polyethylene adjoin pyrrolidone 0.3 part, substrate wetting agents 0.3 part, anti-settling agent 0.5 part, defoamer 0.4 part, thickening material 0.3 part, flow agent 0.4 part, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent 4 parts, isocyanates 18 parts, deionized water 50 parts; The resin-pigment ratio of described coating is 0.6.
The preparation method of described low-carbon (LC) water-borne coatings comprises the steps:
(1) successively the mixture of the deionized water of above-mentioned dosage, 40% acrylic resin, polyaniline, aluminium-silver slurry and metal-powder, barium sulfate, rheological agent, polyethylene are adjoined pyrrolidone in order, substrate wetting agents joins in material-compound tank, stirring velocity is 1200 revs/min, stir 30 minutes, carry out pre-dispersed, grind with basket type sand mill after material dispersion is even, mesh-of-grind will reach less than 25 μm, obtained mill base;
(2) in grinding pot, remaining 60% acrylic resin, thickening material, anti-settling agent, defoamer, flow agent, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent, isocyanates is added, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack.
Embodiment 3
Formula: low-carbon (LC) water-borne coatings is made up of by weight following component: acrylic acid modified polyurethane emulsion PUA55 part, polyaniline and 26 parts, aluminium-silver slurry mixture, mica powder 16 parts, rheological agent 0.5 part, polypropylene phthalein amine 0.4 part, substrate wetting agents 0.4 part, anti-settling agent 0.3 part, defoamer 0.4 part, thickening material 0.5 part, flow agent 0.5 part, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent 4 parts, alcohol ether solvent 18 parts, deionized water 75 parts; The resin-pigment ratio of described coating is 0.47.
The preparation method of described low-carbon (LC) water-borne coatings comprises the steps:
(1) successively the deionized water of above-mentioned dosage, 30% acrylic acid modified polyurethane emulsion PUA, polyaniline and aluminium-silver slurry mixture, mica powder, rheological agent, polypropylene phthalein amine, substrate wetting agents are joined in material-compound tank in order, stirring velocity is 1200 revs/min, stir 30 minutes, carry out pre-dispersed, grind with basket type sand mill after material dispersion is even, mesh-of-grind will reach less than 25 μm, obtained mill base;
(2) in grinding pot, remaining 70% acrylic acid modified polyurethane emulsion, thickening material, anti-settling agent, defoamer, flow agent, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent, alcohol ether solvent is added, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack.
Embodiment 4
Formula: low-carbon (LC) water-borne coatings is made up of by weight following component: acrylic acid modified polyurethane emulsion 40 parts, polyaniline, 28 parts, the mixture of aluminium-silver slurry and lead-free pigment, 15 parts, hydronium(ion) magnesium oxide, rheological agent 0.6 part, wetting dispersing agent 0.3 part, substrate wetting agents 0.6 part, anti-settling agent 0.4 part, defoamer 0.3 part, thickening material 0.5 part, flow agent 0.5 part, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent 5 parts, alcohol ether solvent 17 parts, deionized water 70 parts, the resin-pigment ratio of described coating is 0.7.
The preparation method of described low-carbon (LC) water-borne coatings comprises the steps:
(1) successively the mixture of the deionized water of above-mentioned dosage, 30% acrylic acid modified polyurethane emulsion, polyaniline, aluminium-silver slurry and lead-free pigment, hydronium(ion) magnesium oxide, rheological agent, wetting dispersing agent, substrate wetting agents are joined in material-compound tank in order, stirring velocity is 1200 revs/min, stir 30 minutes, carry out pre-dispersed, grind with basket type sand mill after material dispersion is even, mesh-of-grind will reach less than 25 μm, obtained mill base;
(2) in grinding pot, remaining 70% acrylic acid modified polyurethane emulsion, thickening material, anti-settling agent, defoamer, flow agent, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent, alcohol ether solvent is added, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack.
Embodiment 5
Formula: low-carbon (LC) water-borne coatings is made up of by weight following component: 25 parts, the mixture of acrylic resin 70 parts, polyaniline, aluminium-silver slurry and lead-free pigment, W 4600 16 parts, rheological agent 0.6 part, wetting dispersing agent 0.5 part, substrate wetting agents 0.6 part, anti-settling agent 0.5 part, defoamer 0.6 part, thickening material 0.5 part, flow agent 0.4 part, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent 4 parts, isocyanates 18 parts, deionized water 70 parts; The resin-pigment ratio of described coating is 0.35.
The preparation method of described low-carbon (LC) water-borne coatings comprises the steps:
(1) successively the mixture of the deionized water of above-mentioned dosage, 30% acrylic resin, polyaniline, aluminium-silver slurry and lead-free pigment, W 4600, rheological agent, wetting dispersing agent, substrate wetting agents are joined in material-compound tank in order, stirring velocity is 1200 revs/min, stir 30 minutes, carry out pre-dispersed, grind with basket type sand mill after material dispersion is even, mesh-of-grind will reach less than 25 μm, obtained mill base;
(2) in grinding pot, remaining 70% acrylic resin, thickening material, anti-settling agent, defoamer, flow agent, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent, isocyanates is added, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack.
Embodiment 6
Formula: low-carbon (LC) water-borne coatings is made up of by weight following component: acrylic acid modified polyurethane emulsion PUA60 part, be polyaniline and 30 parts, aluminium-silver slurry mixture, antimonous oxide 18 parts, rheological agent 0.7 part, polypropylene phthalein amine 0.4 part, substrate wetting agents 0.6 part, anti-settling agent 0.5 part, defoamer 0.6 part, thickening material 0.5 part, flow agent 0.5 part, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent 5 parts, isocyanates 19 parts, deionized water 90 parts; The resin-pigment ratio of described coating is 0.5.
The preparation method of described low-carbon (LC) water-borne coatings comprises the steps:
(1) in order successively by the deionized water of above-mentioned dosage, 30% acrylic acid modified polyurethane emulsion PUA, join in material-compound tank for polyaniline and aluminium-silver slurry mixture, antimonous oxide, rheological agent, polypropylene phthalein amine, substrate wetting agents, stirring velocity is 1200 revs/min, stir 30 minutes, carry out pre-dispersed, grind with basket type sand mill after material dispersion is even, mesh-of-grind will reach less than 25 μm, obtained mill base;
(2) in grinding pot, remaining 70% acrylic acid modified polyurethane emulsion PUA, thickening material, anti-settling agent, defoamer, flow agent, organophosphorus-nitrogenated flame retardant and silicone flame retardant composite flame-retardant agent, isocyanates is added, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack.
Meanwhile, in order to assess the concrete technique effect of a kind of low-carbon (LC) water-borne coatings of the present invention, specifically test from volatile organic content, fineness, viscosity, snappiness, the product of shock-resistance aspect to embodiment 1 ~ 6 respectively.Concrete test data is as shown in table 1:
Table 1 different embodiment specific product performance test data
As can be seen from Table 1, the low-carbon (LC) water-borne coatings that the present invention prepares gained is from the data of volatile organic content, fineness, viscosity, snappiness, shock-resistance aspect all within the scope of national regulations, and the preparation method of this coating is simple and easy to get, with low cost.
The above, be only preferred embodiment of the present invention, not does any pro forma restriction to the present invention; The those of ordinary skill of all industry all can shown in by specification and the above and implement the present invention swimmingly; But all those skilled in the art are not departing within the scope of technical solution of the present invention, disclosed above technology contents can be utilized and make a little change, modify with differentiation equivalent variations, be Equivalent embodiments of the present invention; Meanwhile, all according to substantial technological of the present invention to the change of any equivalent variations that above embodiment is done, modify and differentiation etc., within the protection domain all still belonging to technical scheme of the present invention.
Claims (10)
1. a low-carbon (LC) water-borne coatings, it is characterized in that, described coating is made up of by weight following component: base-material 40 ~ 80 parts, pigment 20 ~ 30 parts, functional stuffing 10 ~ 18 parts, rheological agent 0.2 ~ 0.7 part, wetting dispersing agent 0.1 ~ 0.5 part, substrate wetting agents 0.2 ~ 0.6 part, anti-settling agent 0.2 ~ 0.5 part, defoamer 0.2 ~ 0.6 part, thickening material 0.2 ~ 0.6 part, flow agent 0.1 ~ 0.5 part, fire retardant 2 ~ 5 parts, 15 ~ 20 parts, solidifying agent, deionized water 50 ~ 100 parts.
2. low-carbon (LC) water-borne coatings according to claim 1, is characterized in that, described base-material is the one in urethane, acrylic resin or acrylic acid modified polyurethane emulsion PUA.
3. low-carbon (LC) water-borne coatings according to claim 1 and 2, is characterized in that, described pigment is polyaniline and aluminium-silver slurry mixture, or the mixture of polyaniline, aluminium-silver slurry and metal-powder, or the mixture of polyaniline, aluminium-silver slurry and lead-free pigment.
4. low-carbon (LC) water-borne coatings according to claim 1, is characterized in that, described functional stuffing is the one in talcum powder, silica powder, barium sulfate, calcium carbonate, mica powder, W 4600, hydronium(ion) magnesium oxide, phosphoric acid ester, antimonous oxide.
5. low-carbon (LC) water-borne coatings according to claim 1, is characterized in that, described wetting dispersing agent is the one in polyoxyethylene, polyvinyl alcohol, polyvinylpyrrolidone, polypropylene phthalein amine, polyprotonic acid homopolymer amine salt; Described fire retardant is that organophosphorus-nitrogenated flame retardant and silicone flame retardant carry out composite, the composite flame retardant system of formation.
6. low-carbon (LC) water-borne coatings according to claim 1, is characterized in that, described solidifying agent is isocyanates or alcohol ether solvent.
7. according to the low-carbon (LC) water-borne coatings described in claim 4 ~ 6, it is characterized in that, the resin-pigment ratio of described coating is 0.6 ~ 0.7.
8. the preparation method of low-carbon (LC) water-borne coatings according to claim 1, comprises the steps:
(1) successively the deionized water of above-mentioned dosage, 30% ~ 40% base-material, pigment, functional stuffing, rheological agent, wetting dispersing agent, substrate wetting agents are joined in material-compound tank in order, carry out pre-dispersed with stirrer, grind after material dispersion is even, obtained mill base.
(2) in grinding pot, add remaining 60% ~ 70% base-material, thickening material, anti-settling agent, defoamer, flow agent, fire retardant, solidifying agent, viscosity, spraying property and gloss that adjustment is painted, filter after stirring, pack.
9. the preparation method of low-carbon (LC) water-borne coatings according to claim 8, is characterized in that, the stirring velocity in step (1) is 1200 revs/min, stirs 20 ~ 40 minutes.
10. the preparation method of low-carbon (LC) water-borne coatings according to claim 8, is characterized in that, in step (1), grinding plant is basket type sand mill, and mesh-of-grind is less than 25 μm.
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Application publication date: 20160217 |