CN106590416A - Coating composition for colorized weather-resistant steel plate - Google Patents

Coating composition for colorized weather-resistant steel plate Download PDF

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Publication number
CN106590416A
CN106590416A CN201611016174.2A CN201611016174A CN106590416A CN 106590416 A CN106590416 A CN 106590416A CN 201611016174 A CN201611016174 A CN 201611016174A CN 106590416 A CN106590416 A CN 106590416A
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coating composition
polyester resin
modified polyester
composition according
filler
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张帆
张一帆
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Chengdu Jinhui Technology Co Ltd
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Chengdu Jinhui Technology Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D187/00Coating compositions based on unspecified macromolecular compounds, obtained otherwise than by polymerisation reactions only involving unsaturated carbon-to-carbon bonds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G81/00Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02Organic and inorganic ingredients
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
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    • C08K3/02Elements
    • C08K3/08Metals
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/346Clay
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/40Glass
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08Anti-corrosive paints
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    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18Fireproof paints including high temperature resistant paints
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    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/61Additives non-macromolecular inorganic
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/60Additives non-macromolecular
    • C09D7/63Additives non-macromolecular organic
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    • C09D7/00Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40Additives
    • C09D7/65Additives macromolecular
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/0812Aluminium
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2251Oxides; Hydroxides of metals of chromium
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation

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  • Paints Or Removers (AREA)

Abstract

The invention discloses a coating composition for a colorized weather-resistant steel plate. The coating composition comprises the following components in percent by weight: 30-45% of organosilicone-modified polyester resin, 15-45% of a filler, 1-2% of a siloxane coupling agent, 0.5-1% of phthalate, 1.5-3% of a predispersed pigment preparation and 5-47% of a solvent. The organosilicone-modified polyester resin is used as a base material of the coating composition, the predispersed pigment preparation can be rapidly dispersed and dissolved in the base material, and through supplementation of other auxiliary agents, the coating composition is prepared; during actual use, the organosilicone-modified polyester resin has excellent high temperature resistance and good color consistency, so that the coating composition containing the organosilicone-modified polyester resin has better properties, can be sprayed on iron, aluminum or stainless steel surfaces and other metal surfaces, and is widely applied to a baking pan, an electric frying pan, a barbecuing utensil and other heat-resistant materials.

Description

A kind of colored anti weathering steel coating composition
Technical field
The invention belongs to the field of coating of metal material, specifically, is a kind of colored anti weathering steel Coating material composition Thing.
Background technology
Coating on metal can not only play a part of to protect and beautification metal appearance, such as antirust and coloring etc., sometimes, also Some special functions can be realized using coating, such as improved lubrication, improved deep drawability etc..In actual application, apply The effect of layer has close relationship with coating.By taking heat-resisting paint as an example, heat-resisting paint refers to that its film can be maintained for a long time High temperature(Generally more than 150 DEG C)Do not crack, yellowish appearance degree is little, do not fall off, moreover it is possible to keep appropriate physical property and anti- Protective function, existing patent documentation CN1583912(Coil coating composition and its preparation method, 2005.02.23)Disclose it is a kind of by The professional coating of linear polyester resin or epoxy resin, amino resins, rust resisting pigment, auxiliary agent and solvent composition, actually used When, as the heat resisting temperature of polyester resin or epoxy resin is at 130~155 DEG C, therefore, it is adaptable to heat zinc coating plate, electrolytic galvanized sheet, Alloying plate and cold rolled plate material and other effects are optimal.
With the progress of technology, it has been found that organic siliconresin also has a preferably thermostability, organic siliconresin it is basic Skeleton is the main chain of Si-O, higher than the bond energy of the C-C keys of common high molecular polymer, its heat-resisting and antioxidation also compared with By force, it is generally the case that the heat resisting temperature of organic siliconresin is 300 DEG C, is proven, organic siliconresin is gone back in addition to thermostability Show excellent weatherability, pollution resistance, pull out the performances such as aqueouss, tolerance to cold and resistance to chemical attack, but when actually used, But there is a problem in that, for example:Need hot setting(More than 250 DEG C)And length hardening time, large-area construction is difficult, to metal Poor adhesive force, poor solvent resistance and cost of manufacture height etc., for this purpose, we certainly will need to find one kind and can substitute organosilicon tree The high performance material of fat, it is also desirable to more existing polyester resin or epoxy resin have higher thermostability.
The content of the invention
It is an object of the invention to provide a kind of colored anti weathering steel coating composition, of the invention to be changed using organosilicon Base material of the property polyester resin as coating composition, predispersed pigment preparations can quickly disperse and be dissolved in base material, meanwhile, then It is aided with other auxiliary agents to be prepared from, when actually used, as silicone modified polyester resin has more excellent heat-resisting quantity Can, and with good color consistency, therefore, the coating composition being made from it has more good property, it is sprayable The metal surfaces such as iron material, aluminium or rustless steel, and be widely used on the heat proof materials such as baking tray, electric frying pan and barbecue utensil.
The present invention is achieved through the following technical solutions:A kind of colored anti weathering steel coating composition, by weight percentage Than meter, described coating composition includes following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The present invention is the base material using silicone modified polyester resin as coating composition, and predispersed pigment preparations can be quick Dispersion and be dissolved in base material, meanwhile, then be aided with other auxiliary agents and be prepared from, in the present invention, silicone modified polyester resin Due to its excellent heat resisting temperature, excellent adhesion and processability to metal material, excellent solvent resistance and good High red hardness etc., can be used to be sprayed on the metal surfaces such as iron material, aluminium or rustless steel, and is widely used in baking tray, electric frying pan And on the heat proof material such as barbecue utensil.
Described silicone modified polyester resin is as modifying agent, with saturated polyester resin Jing polycondensations by organic siliconresin React and be obtained, in the present invention, silicone modified polyester resin has the advantage of organic siliconresin and saturated polyester resin concurrently, tool There is good heat resistance, it is generally the case that the high temperature resistant temperature of silicone modified polyester resin is 180~250 DEG C, in reality During use, the number of organic siliconresin content decides tack, the resistance to impact and resistance to represented during coating composition film It is hot, it is preferably to solve the problem, the organic siliconresin with the mass ratio of saturated polyester resin is:1:(0.1~ 0.4).
To better implement the present invention, the solid content of described silicone modified polyester resin is 55~65%, and proportion is 1.08~1.14, acid number is 2~10mgKOH/g.
To improve the heat resistance of coating composition, described filler includes glass dust, chromic oxide and china clay, by weight Amount percentages, it is that 2~5%, china clay is 3~5% that described glass dust is 10~35%, chromic oxide, glass according to the present invention Glass powder, chromic oxide and china clay are technical grade, with the characteristic for increasing hardness, improving component wearability.
To increase the wearability and decay resistance of coating composition, described filler also includes aluminium powder and Pulvis Talci, presses Percentage by weight meter, described filler include:30% glass dust, 2% chromic oxide, 3% china clay, 9% aluminium powder and 1% Pulvis Talci.
Filler according to the present invention also includes following situation:Described filler also includes aluminium powder and Pulvis Talci, by weight hundred Divide than meter, described filler includes:28% glass dust, 2% chromic oxide, 3% china clay, 10% aluminium powder and 2% Talcum Powder.
Glass dust according to the present invention is glass powder with low melting point, and described glass dust is lead glass powder, boron glass powder or phosphorus Silicate glass powder.
In the present invention, described predispersed pigment preparations is to be by mass ratio(2~3.5):(1.5~4):(4~5)'s Pigment, pre-dispersed preparation and water are obtained after mix homogeneously in mixing disperser Jing after filter pressing, drying, according to the present invention pre- Dispersion pigment preparation can be pre-mixed with the base material in coating composition or other auxiliary agents, kneaded in being then re-fed into extruder, Ensure that colorant quickly and is uniformly blended in the system of coating composition, and ensure that pigment in coating composition system Be uniformly distributed.
Pigment of the present invention be white carbon black, quinacridone, perylene, copper blue or green blue, carbazole violet, quinacridone violet, Copper dark green or titanium dioxide, the tinctorial strength under equal colourity, produced by coating composition according to the present invention(Tinting strength, tinting power) It is higher than the conventional pigment of equivalent, therefore, when actually used, the color needed for can reach with less pigment is saved The usage amount of pigment, while, it may also be used for the degree of staining of relatively low amount, practical effect are good.
Exist to better implement the present invention, described pre-dispersed preparation is silicate, alkali metal phosphate, polyacrylamide Amine, triethyl group hexyl phosphoric acid, sodium lauryl sulphate or methyl anyl alcohol.
The present invention compared with prior art, with advantages below and beneficial effect:
(1)The present invention is the base material using silicone modified polyester resin as coating composition, and be aided with other auxiliary agents prepare and Into, in the present invention, silicone modified polyester resin due to its excellent heat resisting temperature, the excellent adhesion to metal material and Processability, excellent solvent resistance and good high red hardness etc., can be used to be sprayed on the metals such as iron material, aluminium or rustless steel Surface, and be widely used on the heat proof materials such as baking tray, electric frying pan and barbecue utensil.
(2)Silicone modified polyester resin according to the present invention is as modifying agent, with saturated polyester by organic siliconresin Resin Jing polycondensation reactions and be obtained, in the present invention, silicone modified polyester resin has organic siliconresin and saturated polyester tree concurrently The advantage of fat, with good heat resistance, it is generally the case that the high temperature resistant temperature of silicone modified polyester resin be 180~ 250℃。
(3)In the present invention, organic siliconresin adopts 1 with saturated polyester resin:(0.1~0.4)Mass ratio reaction system Silicone modified polyester resin is obtained, organic siliconresin content is more, its film thing is estimated and is understood, by this coating composition Spray its thermostability of class coating material and red hardness of acquisition more preferably, therefore, it is adaptable to baking tray, electric frying pan and barbecue utensil etc. are heat-resisting Material ages fruit is optimal.
(4)The present invention relates to filler includes the composition such as glass dust, Pulvis Talci and aluminium powder, using technical grade product, With the effect for increasing hardness, improving component antiwear characteristic and decay resistance.
(5)Tinctorial strength under equal colourity, produced by coating composition according to the present invention(Tinting strength, tinting power)Compare equivalent Conventional pigment it is higher, therefore, when actually used, with less pigment can reach needed for color, saved pigment Usage amount, while, it may also be used for the degree of staining of relatively low amount, practical effect are good.
Specific embodiment
The present invention is described in further detail with reference to embodiment, but embodiments of the present invention not limited to this.
Embodiment 1:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:By organic siliconresin as modifying agent, it is obtained with saturated polyester resin Jing polycondensation reactions, Wherein, organic siliconresin with the mass ratio of saturated polyester resin is:1:0.1.
Filler:Including lead glass powder, chromic oxide and china clay, by weight percentage, lead glass powder is 10%, three oxygen It is 3% to change two chromium for 2%, china clay.
Predispersed pigment preparations:It is 2 by mass ratio:1.5:4 pigment, pre-dispersed preparation and water are mixed in mixing disperser After closing uniformly, it is obtained Jing after filter pressing, drying, wherein, pigment selects white carbon black;Pre-dispersed preparation selects silicate.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1:1:2.5.
Embodiment 2:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:By organic siliconresin as modifying agent, it is obtained with saturated polyester resin Jing polycondensation reactions, Wherein, organic siliconresin with the mass ratio of saturated polyester resin is:1:0.4.
Filler:Including boron glass powder, chromic oxide, china clay, aluminium powder and Pulvis Talci, by weight percentage, filler bag Include:30% boron glass powder, 2% chromic oxide, 3% china clay, 4% aluminium powder and 1% Pulvis Talci.
Described glass dust is lead glass powder, boron glass powder or phosphate glass powder.
Predispersed pigment preparations:It is 2 by mass ratio:4:4 pigment, pre-dispersed preparation and water mix in mixing disperser After uniform, it is obtained Jing after filter pressing, drying, wherein, pigment selects quinacridone;Pre-dispersed preparation selects perylene.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1.5:1:3.2.
Embodiment 3:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:By organic siliconresin as modifying agent, it is obtained with saturated polyester resin Jing polycondensation reactions, Wherein, organic siliconresin with the mass ratio of saturated polyester resin is:1:0.3.
Filler:Including phosphate glass powder, chromic oxide, china clay, aluminium powder and Pulvis Talci, by weight percentage, fill out Material includes:28% phosphate glass powder, 2% chromic oxide, 3% china clay, 6% aluminium powder and 2% Pulvis Talci.
Predispersed pigment preparations:It is 2.8 by mass ratio:3:4.5 pigment, pre-dispersed preparation and water are in mixing disperser After mix homogeneously, it is obtained Jing after filter pressing, drying, wherein, pigment selects perylene;Pre-dispersed preparation selects polyacrylamide.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1.2:1:2.9.
Embodiment 4:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:Solid content is 55%, and proportion is 1.08, and acid number is 2mgKOH/g.
Filler:Including lead glass powder, chromic oxide and china clay, by weight percentage, lead glass powder is 32%, three oxygen It is 4% to change two chromium for 4%, china clay.
Predispersed pigment preparations:It is 3.5 by mass ratio:4:5 pigment, pre-dispersed preparation and water are mixed in mixing disperser After closing uniformly, it is obtained Jing after filter pressing, drying, wherein, pigment selects copper blue or green blue;Pre-dispersed preparation selects triethyl group hexyl phosphorus Acid.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1:1:2.5.
Embodiment 5:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:Solid content is 65%, and proportion is 1.14, and acid number is 10mgKOH/g.
Filler:Including lead glass powder, chromic oxide and china clay, by weight percentage, lead glass powder is 15%, three oxygen It is 3% to change two chromium for 2%, china clay.
Predispersed pigment preparations:It is 2.5 by mass ratio:3:4 pigment, pre-dispersed preparation and water are mixed in mixing disperser After closing uniformly, it is obtained Jing after filter pressing, drying, wherein, pigment selects carbazole violet;Pre-dispersed preparation selects sodium lauryl sulphate.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1.5:1:3.2.
Embodiment 6:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:Solid content is 60%, and proportion is 1.11, and acid number is 6mgKOH/g.
Filler:Including boron glass powder, chromic oxide, china clay, aluminium powder and Pulvis Talci, by weight percentage, filler bag Include:30% boron glass powder, 2% chromic oxide, 3% china clay, 4% aluminium powder and 1% Pulvis Talci.
Predispersed pigment preparations:It is 3 by mass ratio:3:5 pigment, pre-dispersed preparation and water mix in mixing disperser After uniform, it is obtained Jing after filter pressing, drying, wherein, pigment selects quinacridone violet;Pre-dispersed preparation selects methyl anyl alcohol.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1.3:1:3.
Embodiment 7:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:By organic siliconresin as modifying agent, it is obtained with saturated polyester resin Jing polycondensation reactions, Wherein, organic siliconresin with the mass ratio of saturated polyester resin is:1:0.2, obtained silicone modified polyester resin contains admittedly Measure as 60%, proportion is 1.11, and acid number is 8mgKOH/g.
Filler:Including boron glass powder, chromic oxide, china clay, aluminium powder and Pulvis Talci, by weight percentage, filler bag Include:30% boron glass powder, 2% chromic oxide, 3% china clay, 4% aluminium powder and 1% Pulvis Talci.
Predispersed pigment preparations:It is 2 by mass ratio:4:4.5 pigment, pre-dispersed preparation and water are mixed in mixing disperser After closing uniformly, it is obtained Jing after filter pressing, drying, wherein, pigment selects titanium dioxide;Pre-dispersed preparation selects alkali metal phosphate.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1:1:3.
Embodiment 8:
The coating composition that the present embodiment is related to, by weight percentage, comprising following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
The following is and above-mentioned component composition is further described:
Silicone modified polyester resin:By organic siliconresin as modifying agent, it is obtained with saturated polyester resin Jing polycondensation reactions, Wherein, organic siliconresin with the mass ratio of saturated polyester resin is:1:0.1, obtained silicone modified polyester resin contains admittedly Measure as 65%, proportion is 1.10, and acid number is 9mgKOH/g.
Filler:Including phosphate glass powder, chromic oxide, china clay, aluminium powder and Pulvis Talci, by weight percentage, fill out Material includes:28% phosphate glass powder, 2% chromic oxide, 3% china clay, 6% aluminium powder and 2% Pulvis Talci.
Predispersed pigment preparations:It is 2 by mass ratio:3:5 pigment, pre-dispersed preparation and water mix in mixing disperser After uniform, it is obtained Jing after filter pressing, drying, wherein, pigment selects copper dark green;Pre-dispersed preparation selects polyacrylamide.
Solvent:Including butyl ether, butyl ester and butanol, the mass ratio of described butyl ether, butyl ester and butanol is 1.2:1:2.8.
The coating composition that above-described embodiment 1~8 is prepared is sprayed on steel plate or tinplate, box electricity is placed in In stove, be warming up to 250 DEG C using heating schedule, after taking out and being cooled to room temperature, carry out hardness, resistance to elevated temperatures, coating performance, Film adhesive is tested, and test result is shown in Table 1.
Table 1
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not done to the present invention, every according to this Any simple modification that the technical spirit of invention is made to above example, equivalent variations, each fall within protection scope of the present invention Within.

Claims (10)

1. a kind of colored anti weathering steel coating composition, it is characterised in that:By weight percentage, described Coating material composition Thing includes following component:
Silicone modified polyester resin:30~45%;Filler:15~45%;
Silicone coupling agents:1~2%;Phthalate ester:0.5~1%;
Predispersed pigment preparations:1.5~3%;Solvent:5~47%.
2. a kind of colored anti weathering steel coating composition according to claim 1, it is characterised in that:Described is organic Silicon-modified polyester resin is, as modifying agent, to be obtained with saturated polyester resin Jing polycondensation reactions by organic siliconresin, described to have Machine silicones with the mass ratio of saturated polyester resin are:1:(0.1~0.4).
3. a kind of colored anti weathering steel coating composition according to claim 1, it is characterised in that:Described is organic The solid content of silicon-modified polyester resin is 55~65%, and proportion is 1.08~1.14, and acid number is 2~10mgKOH/g.
4. a kind of colored anti weathering steel coating composition according to claim 1, it is characterised in that:Described filler Including glass dust, chromic oxide and china clay, by weight percentage, described glass dust is that 10~35%, chromic oxide is 2~5%, china clay is 3~5%.
5. a kind of color steel sheet coating composition according to claim 4, it is characterised in that:Described filler also includes Aluminium powder and Pulvis Talci, by weight percentage, described filler includes:30% glass dust, 2% chromic oxide, 3% porcelain Soil, 9% aluminium powder and 1% Pulvis Talci.
6. a kind of color steel sheet coating composition according to claim 4, it is characterised in that:Described filler also includes Aluminium powder and Pulvis Talci, by weight percentage, described filler includes:28% glass dust, 2% chromic oxide, 3% porcelain Soil, 10% aluminium powder and 2% Pulvis Talci.
7. a kind of color steel sheet coating composition according to any one of claim 4~6, it is characterised in that:Described Glass dust is lead glass powder, boron glass powder or phosphate glass powder.
8. a kind of color steel sheet coating composition according to claim 1, it is characterised in that:Described pigment preparations Preparation is to be by mass ratio(2~3.5):(1.5~4):(4~5)Pigment, pre-dispersed preparation and water mixed in mixing disperser After closing uniformly, it is obtained Jing after filter pressing, drying.
9. a kind of color steel sheet coating composition according to claim 8, it is characterised in that:Described pigment is charcoal Black, quinacridone, perylene, copper blue or green blue, carbazole violet, quinacridone violet, copper dark green or titanium dioxide.
10. a kind of color steel sheet coating composition according to claim 8, it is characterised in that:Described pre-dispersed system Agent is silicate, alkali metal phosphate, polyacrylamide, triethyl group hexyl phosphoric acid, sodium lauryl sulphate or methyl anyl alcohol.
CN201611016174.2A 2016-11-18 2016-11-18 Coating composition for colorized weather-resistant steel plate Pending CN106590416A (en)

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CN104403522A (en) * 2014-12-08 2015-03-11 成都锦汇科技有限公司 Coating composition for weather-resistant steel plate
CN105062354A (en) * 2015-07-15 2015-11-18 湖州湖杰漆业有限公司 Black water-based guide rail paint
CN105331257A (en) * 2015-12-04 2016-02-17 成都锦汇科技有限公司 Primer paint coating for steel plate and preparing method thereof

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Publication number Priority date Publication date Assignee Title
CN101633818A (en) * 2008-07-24 2010-01-27 中冶集团建筑研究总院 Organosilicon high-temperature resistant coating being solidifiable at normal temperature
CN104403522A (en) * 2014-12-08 2015-03-11 成都锦汇科技有限公司 Coating composition for weather-resistant steel plate
CN105062354A (en) * 2015-07-15 2015-11-18 湖州湖杰漆业有限公司 Black water-based guide rail paint
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* Cited by examiner, † Cited by third party
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