CN105440903A - Preparation method of primer coating for colorful steel plate - Google Patents
Preparation method of primer coating for colorful steel plate Download PDFInfo
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- CN105440903A CN105440903A CN201510880655.7A CN201510880655A CN105440903A CN 105440903 A CN105440903 A CN 105440903A CN 201510880655 A CN201510880655 A CN 201510880655A CN 105440903 A CN105440903 A CN 105440903A
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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
- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- 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
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- 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
- C08K3/34—Silicon-containing compounds
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- 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
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
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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
- C08K3/40—Glass
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- 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
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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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- 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
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2251—Oxides; Hydroxides of metals of chromium
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- 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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Abstract
The invention discloses a preparation method of a primer coating for a colorful steel plate. Saturation carboxylated polyester is used as a base stock of the primer coating, a pre-dispersion pigment preparation can be rapidly dispersed and dissolved into the base stock, meanwhile, padding, a siloxane coupling agent, phthalic ester, the pre-dispersion pigment preparation and a xylene solvent are mixed, and a ball mill is used for grinding to obtain mill base to obtain the primer coating. In actual use, due to the fact that the saturation carboxylated polyester has the good high temperature resistance and has the good color consistency, the primer coating composed of the saturation carboxylated polyester has the good characteristics, and the primer coating can coat the surface of an iron material or an aluminum material or stainless steel or other metals, and can be widely applied to heat-resisting materials such as a baking tray, an electric frying pan and a barbecue set.
Description
Technical field
The invention belongs to the field of coating of metallic substance, specifically, is a kind of preparation method of color steel sheet primer base.
Background technology
Coating on metal not only can play protection and beautify the effect of metal appearance, as antirust and painted etc., sometimes, coating also can be utilized to realize some special functions, as improved lubrication, improving deep drawability etc.In actual application, effect and the coating of coating have close relationship.For heat resisting coating, heat resisting coating refers to that its film can maintain high temperature (being generally more than 150 DEG C) not cracking for a long time, yellowish appearance degree is little, do not come off, suitable physicals and protection function can also be kept, existing patent documentation CN1583912(coiled material priming paint coating and method for making thereof, 2005.02.23) disclose one by linear polyester resin or epoxy resin, aminoresin, rust-stabilising pigment, the professional coating of auxiliary agent and solvent composition, when reality uses, because the heat resisting temperature of vibrin or epoxy resin is at 130 ~ 155 DEG C, therefore, be applicable to heat zinc coating plate, electrolytic galvanized sheet, the best results such as alloying plate and cold rolled plate material.
Along with the progress of technology, it is found that silicone resin also has preferably thermotolerance, the basic framework of silicone resin is the main chain of Si-O, higher than the bond energy of the C-C key of common high molecular polymer, it is heat-resisting and antioxygenation is also stronger, under normal circumstances, the heat resisting temperature of silicone resin is 300 DEG C, be proven, silicone resin is except thermotolerance, also show excellent weathering resistance, pollution resistance, pull out water-based, the performance such as winter hardiness and resistance to chemical attack, but when reality uses, but also there are the following problems, such as: need hot setting (more than 250 DEG C) and set time long, not easily large-area construction, to the poor adhesive force of metal, poor solvent resistance and cost of manufacture high, for this reason, we certainly will need to find a kind of high performance material that can substitute silicone resin, simultaneously, more existing vibrin or epoxy resin is also needed to have higher thermotolerance.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of color steel sheet primer base, the present invention adopts saturated carboxylic acid polyester as the base-material of primer base, predispersed pigment preparations can disperse fast and be dissolved in base-material, simultaneously, be aided with other auxiliary agents to be again prepared from, when reality uses, because saturated carboxylic acid polyester has more excellent resistance to elevated temperatures, and there is good color consistency, therefore, consisting of primer base have more good character, iron material can be sprayed on, the metallic surface such as aluminium or stainless steel, and be widely used in baking tray, on the heat-stable material such as electric frying pan and barbecue utensil.
The present invention is achieved through the following technical solutions: a kind of preparation method of color steel sheet primer base, comprises the steps:
A: select solid content to be 58 ~ 66%, proportion is 2.05 ~ 3.54, acid number be the saturated carboxylic acid polyester of 12 ~ 30mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 10 ~ 20 μm.
The present invention is the base-material using saturated carboxylic acid polyester as primer base, predispersed pigment preparations can disperse fast and be dissolved in base-material, simultaneously, be aided with other auxiliary agents to be again prepared from, in the present invention, saturated carboxylic acid polyester is due to its excellent heat resisting temperature, to the excellent adhesion of metal material and processibility, excellent solvent resistance and good high hot hardness etc., can be used for being sprayed on the metallic surfaces such as iron material, aluminium or stainless steel, and be widely used on the heat-stable materials such as baking tray, electric frying pan and barbecue utensil.
To better implement the present invention, in described mill base, the weight percentage of filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent and saturated carboxylic acid polyester is as follows:
Saturated carboxylic acid polyester: 30 ~ 50%; Filler: 15 ~ 40%;
Silicone coupling agents: 1 ~ 2%; Phthalate: 0.5 ~ 1%;
Predispersed pigment preparations: 1.5 ~ 3%; Xylene solvent: 4 ~ 52%.
For improving the resistance toheat of primer base, described filler comprises glass powder, chromium sesquioxide and china clay, by weight percentage, described glass powder is 10 ~ 32%, chromium sesquioxide is 2 ~ 4%, china clay is 3 ~ 4%, the glass powder that the present invention relates to, chromium sesquioxide and china clay are technical grade, have the characteristic increasing hardness, improve component wear resistance.
For increasing the wear resistance of primer base and corrosion resistance nature, described filler also comprises aluminium powder and talcum powder, and by weight percentage, described filler comprises: the glass powder of 30%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 4% and 1% talcum powder.
The filler that the present invention relates to also comprises following situation: described filler also comprises aluminium powder and talcum powder, and by weight percentage, described filler comprises: the glass powder of 28%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 6% and 2% talcum powder.
The glass powder that the present invention relates to is glass powder with low melting point, and described glass powder is lead glass powder, boron glass powder or phosphate glass powder.
In the present invention, described predispersed pigment preparations is (2 ~ 3.5) by mass ratio: (1.5 ~ 4): after the pigment of (4 ~ 5), pre-dispersed preparation and water mix in blending dispersion device, obtained after press filtration, drying, the predispersed pigment preparations that the present invention relates to can be pre-mixed with the base-material in primer base or other auxiliary agents, and then send in forcing machine mixing, ensure that colorant is blended in the system of primer base fast and uniformly, and ensure that pigment being uniformly distributed in primer base system.
Pigment of the present invention is carbon black, quinacridone, perylene, the blue or green orchid of copper phthalein, carbazole violet, quinacridone violet, copper phthalein viridescent or titanium dioxide, under equal colourity, the tinctorial strength (tinting strength) that the primer base that the present invention relates to produces is higher than the conventional pigment of equivalent, therefore, when reality uses, required color can be reached with less pigment, save the usage quantity of pigment, meanwhile, also can be used for the degree of staining of relatively low amount, practical effect is good.
Exist to better implement the present invention, described pre-dispersed preparation is silicate, alkali metal phosphate, polyacrylamide, triethyl hexyl phosphoric acid, sodium lauryl sulphate or methyl amyl alcohol.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention is the base-material using saturated carboxylic acid polyester as primer base, predispersed pigment preparations can disperse fast and be dissolved in base-material, simultaneously, be aided with other auxiliary agents to be again prepared from, in the present invention, saturated carboxylic acid polyester is due to its excellent heat resisting temperature, to the excellent adhesion of metal material and processibility, excellent solvent resistance and good high hot hardness etc., can be used for being sprayed on the metallic surfaces such as iron material, aluminium or stainless steel, and be widely used on the heat-stable materials such as baking tray, electric frying pan and barbecue utensil.
(2) the present invention relates to filler and include the compositions such as glass powder, talcum powder and aluminium powder, all adopt technical grade product, there is the effect increasing hardness, improve component antiwear characteristic and corrosion resistance nature.
(3) under equal colourity, the tinctorial strength (tinting strength) that the primer base that the present invention relates to produces is higher than the conventional pigment of equivalent, therefore, when reality uses, required color can be reached with less pigment, save the usage quantity of pigment, simultaneously, also can be used for the degree of staining of relatively low amount, practical effect is good.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 30%; Filler: 15%;
Silicone coupling agents: 1%; Phthalate: 0.5%;
Predispersed pigment preparations: 1.5%; Xylene solvent: 52%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 58%, proportion is 2.05, and acid number is 12mgKOH/g.
Filler: comprise lead glass powder, chromium sesquioxide and china clay, by weight percentage, lead glass powder is 10%, chromium sesquioxide is 2%, china clay is 3%.
Predispersed pigment preparations: be after the pigment of 2:1.5:4, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, carbon black selected by pigment; Silicate selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 58%, proportion is 2.05, acid number be the saturated carboxylic acid polyester of 12mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 10 μm.
Embodiment 2:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 30%; Filler: 40%;
Silicone coupling agents: 1%; Phthalate: 0.5%;
Predispersed pigment preparations: 1.5%; Xylene solvent: 52%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 62%, proportion is 2.8, and acid number is 15mgKOH/g.
Filler: comprise boron glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, filler comprises: the boron glass powder of 30%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 4% and 1% talcum powder.
Described glass powder is lead glass powder, boron glass powder or phosphate glass powder.
Predispersed pigment preparations: be after the pigment of 2:4:4, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, quinacridone selected by pigment; Perylene selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 62%, proportion is 2.8, acid number be the saturated carboxylic acid polyester of 15mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 20 μm.
Embodiment 3:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 40%; Filler: 40%;
Silicone coupling agents: 1%; Phthalate: 1%;
Predispersed pigment preparations: 3%; Xylene solvent: 16%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 65%, proportion is 2.54, and acid number is 22mgKOH/g.
Filler: comprise phosphate glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, filler comprises: the phosphate glass powder of 28%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 6% and 2% talcum powder.
Predispersed pigment preparations: be after the pigment of 2.8:3:4.5, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, perylene selected by pigment; Polyacrylamide selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 65%, proportion is 2.54, acid number be the saturated carboxylic acid polyester of 22mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 15 μm.
Embodiment 4:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 50%; Filler: 40%;
Silicone coupling agents: 2%; Phthalate: 1%;
Predispersed pigment preparations: 3%; Xylene solvent: 4%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 66%, proportion is 3.54, and acid number is 30mgKOH/g.
Filler: comprise lead glass powder, chromium sesquioxide and china clay, by weight percentage, lead glass powder is 32%, chromium sesquioxide is 4%, china clay is 4%.
Predispersed pigment preparations: be after the pigment of 3.5:4:5, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, pigment selects copper phthalein blue or green blue; Triethyl hexyl phosphoric acid selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 66%, proportion is 3.54, acid number be the saturated carboxylic acid polyester of 30mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 12 μm.
Embodiment 5:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 35%; Filler: 20%;
Silicone coupling agents: 2%; Phthalate: 1%;
Predispersed pigment preparations: 2%; Xylene solvent: 40%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 60%, proportion is 3.05, and acid number is 25mgKOH/g.
Filler: comprise lead glass powder, chromium sesquioxide and china clay, by weight percentage, lead glass powder is 15%, chromium sesquioxide is 2%, china clay is 3%.
Predispersed pigment preparations: be after the pigment of 2.5:3:4, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, carbazole violet selected by pigment; Sodium lauryl sulphate selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 60%, proportion is 3.05, acid number be the saturated carboxylic acid polyester of 25mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 14 μm.
Embodiment 6:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 35%; Filler: 40%;
Silicone coupling agents: 1%; Phthalate: 0.5%;
Predispersed pigment preparations: 1.5%; Xylene solvent: 22%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 60%, proportion is 2.6, and acid number is 19mgKOH/g.
Filler: comprise boron glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, filler comprises: the boron glass powder of 30%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 4% and 1% talcum powder.
Predispersed pigment preparations: be after the pigment of 3:3:5, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, quinacridone violet selected by pigment; Methyl amyl alcohol selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 60%, proportion is 2.6, acid number be the saturated carboxylic acid polyester of 19mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 16 μm.
Embodiment 7:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 48%; Filler: 40%;
Silicone coupling agents: 1.5%; Phthalate: 0.8%;
Predispersed pigment preparations 2.3%; Xylene solvent: 7.4%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 58%, proportion is 3.54, and acid number is 20mgKOH/g.
Filler: comprise boron glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, filler comprises: the boron glass powder of 30%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 4% and 1% talcum powder.
Predispersed pigment preparations: be after the pigment of 2:4:4.5, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, titanium dioxide selected by pigment; Alkali metal phosphate selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 58%, proportion is 3.54, acid number be the saturated carboxylic acid polyester of 20mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 18 μm.
Embodiment 8:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 35%; Filler: 40%;
Silicone coupling agents: 1%; Phthalate: 1%;
Predispersed pigment preparations: 2%; Xylene solvent: 21%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 62%, proportion is 3.11, and acid number is 23mgKOH/g.
Filler: comprise phosphate glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, filler comprises: the phosphate glass powder of 28%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 6% and 2% talcum powder.
Predispersed pigment preparations: be after the pigment of 2:3:5, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, pigment selects copper phthalein dark green; Polyacrylamide selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 62%, proportion is 3.11, acid number be the saturated carboxylic acid polyester of 23mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 20 μm.
Embodiment 9:
The primer base that the present embodiment relates to, by weight percentage, comprises following component:
Saturated carboxylic acid polyester: 50%; Filler: 40%;
Silicone coupling agents: 1%; Phthalate: 0.5%;
Predispersed pigment preparations: 1.5%; Xylene solvent: 8%.
Below further describing that above-mentioned component is formed:
Saturated carboxylic acid polyester: solid content is 66%, proportion is 3.54, and acid number is 18mgKOH/g.
Filler: comprise phosphate glass powder, chromium sesquioxide, china clay, aluminium powder and talcum powder, by weight percentage, filler comprises: the phosphate glass powder of 28%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 6% and 2% talcum powder.
Predispersed pigment preparations: be after the pigment of 3:2:5, pre-dispersed preparation and water mix in blending dispersion device by mass ratio, obtained after press filtration, drying, wherein, quinacridone selected by pigment; Polyacrylamide selected by pre-dispersed preparation.
Its preparation method is as follows:
A: select solid content to be 66%, proportion is 3.54, acid number be the saturated carboxylic acid polyester of 18mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 15 μm.
The primer base that above-described embodiment 1 ~ 8 prepares is sprayed on steel plate or tinplate, be placed in cabinet-type electric furnace, adopt heating schedule to be warming up to 220 DEG C, to take out and after being cooled to room temperature, carry out hardness, resistance to elevated temperatures, coating performance, film adhesive test, test result is in table 1.
Table 1
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.
Claims (9)
1. a preparation method for color steel sheet primer base, is characterized in that: comprise the steps:
A: select solid content to be 58 ~ 66%, proportion is 2.05 ~ 3.54, acid number be the saturated carboxylic acid polyester of 12 ~ 30mgKOH/g as base-material, for subsequent use;
B: filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent are added respectively in the base-material that steps A selects, become mill base with ball mill grinding, the fineness of described mill base is 10 ~ 20 μm.
2. the preparation method of a kind of color steel sheet primer base according to claim 1, it is characterized in that: in described mill base, the weight percentage of filler, silicone coupling agents, phthalate, predispersed pigment preparations, xylene solvent and saturated carboxylic acid polyester is as follows:
Saturated carboxylic acid polyester: 30 ~ 50%; Filler: 15 ~ 40%;
Silicone coupling agents: 1 ~ 2%; Phthalate: 0.5 ~ 1%;
Predispersed pigment preparations: 1.5 ~ 3%; Xylene solvent: 4 ~ 52%.
3. the preparation method of a kind of color steel sheet primer base according to claim 2, it is characterized in that: described filler comprises glass powder, chromium sesquioxide and china clay, by weight percentage, described glass powder is 10 ~ 32%, chromium sesquioxide is 2 ~ 4%, china clay is 3 ~ 4%.
4. the preparation method of a kind of color steel sheet primer base according to claim 3, it is characterized in that: described filler also comprises aluminium powder and talcum powder, by weight percentage, described filler comprises: the glass powder of 30%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 4% and 1% talcum powder.
5. the preparation method of a kind of color steel sheet primer base according to claim 3, it is characterized in that: described filler also comprises aluminium powder and talcum powder, by weight percentage, described filler comprises: the glass powder of 28%, the chromium sesquioxide of 2%, the china clay of 3%, the aluminium powder of 6% and 2% talcum powder.
6. the preparation method of a kind of color steel sheet primer base according to any one of claim 3 ~ 5, is characterized in that: described glass powder is lead glass powder, boron glass powder or phosphate glass powder.
7. the preparation method of a kind of color steel sheet primer base according to claim 1, it is characterized in that: described predispersed pigment preparations is (2 ~ 3.5) by mass ratio: (1.5 ~ 4): after the pigment of (4 ~ 5), pre-dispersed preparation and water mix in blending dispersion device, obtained after press filtration, drying.
8. the preparation method of a kind of color steel sheet primer base according to claim 7, is characterized in that: described pigment is carbon black, quinacridone, perylene, the blue or green orchid of copper phthalein, carbazole violet, quinacridone violet, copper phthalein viridescent or titanium dioxide.
9. the preparation method of a kind of color steel sheet primer base according to claim 7, is characterized in that: described pre-dispersed preparation is silicate, alkali metal phosphate, polyacrylamide, triethyl hexyl phosphoric acid, sodium lauryl sulphate or methyl amyl alcohol.
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| CN201510880655.7A CN105440903A (en) | 2015-12-04 | 2015-12-04 | Preparation method of primer coating for colorful steel plate |
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| CN201510880655.7A CN105440903A (en) | 2015-12-04 | 2015-12-04 | Preparation method of primer coating for colorful steel plate |
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| CN105440903A true CN105440903A (en) | 2016-03-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634584A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Method for preparing coating for colored anti-weathering steel |
| CN106634585A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Weather-resistant colored steel plate coating and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687271A (en) * | 2005-04-18 | 2005-10-26 | 重庆芬斯特工业(集团)有限公司 | Primer of modified polyester coiled material |
| CN104403521A (en) * | 2014-12-08 | 2015-03-11 | 成都锦汇科技有限公司 | Weather-resistant steel plate |
| CN104497806A (en) * | 2014-12-08 | 2015-04-08 | 成都锦汇科技有限公司 | Weather-resistant steel plate and preparation process thereof |
-
2015
- 2015-12-04 CN CN201510880655.7A patent/CN105440903A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687271A (en) * | 2005-04-18 | 2005-10-26 | 重庆芬斯特工业(集团)有限公司 | Primer of modified polyester coiled material |
| CN104403521A (en) * | 2014-12-08 | 2015-03-11 | 成都锦汇科技有限公司 | Weather-resistant steel plate |
| CN104497806A (en) * | 2014-12-08 | 2015-04-08 | 成都锦汇科技有限公司 | Weather-resistant steel plate and preparation process thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106634584A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Method for preparing coating for colored anti-weathering steel |
| CN106634585A (en) * | 2016-11-18 | 2017-05-10 | 成都锦汇科技有限公司 | Weather-resistant colored steel plate coating and preparation method thereof |
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Application publication date: 20160330 |