CN104497840A - Sanding-free PU (polyurethane) high-fullness white-finish varnish applicable to melamine substrates and preparation method thereof - Google Patents
Sanding-free PU (polyurethane) high-fullness white-finish varnish applicable to melamine substrates and preparation method thereof Download PDFInfo
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- CN104497840A CN104497840A CN201410765050.9A CN201410765050A CN104497840A CN 104497840 A CN104497840 A CN 104497840A CN 201410765050 A CN201410765050 A CN 201410765050A CN 104497840 A CN104497840 A CN 104497840A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to a sanding-free PU (polyurethane) high-fullness white-finish varnish applicable to melamine substrates and a preparation method thereof. The sanding-free PU high-fullness white-finish varnish applicable to melamine substrates is prepared by mixing the following components in parts by weight: 1 part of main paint, 0.6-0.8 part of curing agent and 0.5-0.7 part of diluter. The main paint is prepared from an alkyd resin, a dispersing agent, a defoaming agent, a leveling agent, rutile titanium white, gas-phase silicon dioxide, an adhesion promoter, dibasic ester and propylene glycol methyl ether acetate; and the curing agent is prepared from TDI (toluene diisocyanate) tripolymer, HDI (hexamethylene diisocyanate) tripolymer, propylene glycol methyl ether acetate and butyl acetate. The sanding-free PU high-fullness white-finish varnish applicable to melamine substrates can be directly sprayed without sanding the substrate when being applied to the melamine substrate, and has excellent adhesive force and fullness after being sprayed.
Description
Technical field
The present invention relates to a kind of furniture coating, be particularly a kind ofly applied to high plentiful Brilliant white paint of PU that melamine substrate exempts to polish and preparation method thereof.
Background technology
At present, the development of PU light fine flour furniture lacquer is very fast, especially in the decoration application of the furniture such as kitchen cabinet, bathroom, showcase, in the white PU Brilliant white paint on market, do not have a need to polish, can construct in the PU Brilliant white paint of melamine substrate by direct spraying.PU Brilliant white paint on market is used in melamine substrate, only has and fully grinds ground, just can have good sticking power and fullness ratio.
Existing PU Brilliant white paint direct spraying in the melamine substrate of not polishing, there will be film adhesive poor, easily fall the defect problems such as paint, fullness ratio is poor, and add working procedure, add time and cost.
Summary of the invention
The object of the invention is to overcome weak point of the prior art, there is provided a kind of and be applied to melamine substrate high plentiful Brilliant white paint of PU exempting from polishing and preparation method thereof, the PU high plentiful Brilliant white paint that melamine substrate that prepared by the present invention be applied to is exempted to polish does not need ground of polishing when being applied to melamine substrate, can direct spraying, and after spraying, there is excellent sticking power.
The present invention is achieved in that a kind of high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish, mixed by the weight ratio of 1:0.6-0.8:0.5-0.7 by main paint, solidifying agent, thinner, wherein main paint, solidifying agent, thinner respectively by following component and ratio of weight and number formulated:
Wherein the component of main paint and ratio of weight and number as follows:
Wherein the component of solidifying agent and parts by weight as follows:
Wherein the component of thinner and parts by weight as follows:
N-BUTYL ACETATE 30.0-40.0 part
Dimethylbenzene 30.0-40.0 part
1-Methoxy-2-propyl acetate 20.0-40.0 part.
Further prioritization scheme is: described Synolac is the oily modified polyester resin by polyvalent alcohol, Tetra hydro Phthalic anhydride and lipid acid or oil (fatty acid triglyceride) condensation polymerization, and it is solid containing the Synolac for 75%-80% that it adopts Changxing Resins Corporation to produce.
Further prioritization scheme is: the BYK163 dispersion agent that described dispersion agent adopts Bi Ke company to produce.
Further prioritization scheme is: the silicone based defoamer of BYK141 type that described defoamer adopts Bi Ke company to produce.
Further prioritization scheme is: the EFKA3777 type flow agent that described flow agent adopts EFKA company to produce and German Bi Ke company produce BYK333 type flow agent.
Further prioritization scheme is: described rutile titanium white powder is that the Dow Chemical Company produces.
Further prioritization scheme is: described aerosil is the R972 type that goldschmidt chemical corporation is produced, in white powder, and can unrestricted flow.
Further prioritization scheme is: described adhesion promoter is the thiol-based compound that Jin Tuan company produces, and thiol-based compound is the adhesion promoter with reaction active groups.
Further prioritization scheme is: the 60TTDI tripolymer that TDI (tolylene diisocyanate) tripolymer adopts SAPICI to produce, the N3390 type HDI tripolymer that HDI (hexamethylene diisocyanate) tripolymer adopts Bayer to produce.Described dibasic ester, 1-Methoxy-2-propyl acetate, 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE are solvent.
Be applied to a preparation method for the high plentiful Brilliant white paint of PU that melamine substrate is exempted to polish, comprise following step:
(1) main paint is prepared according to following preparation method:
A, Synolac and dispersion agent are added in container, then in order gentle for rutile titanium white powder aerosil is added in container under the speed of 600-800 rev/min, then disperse to stir under the speed of 1000-1200 rev/min;
B, in order defoamer, esters of acrylic acid flow agent and silicone based flow agent are added in said vesse under the speed of 600-800 rev/min, then disperse to stir under the speed of 600-800 rev/min;
C, add in said vesse by adhesion promoter, dibasic ester and 1-Methoxy-2-propyl acetate in order under the speed of 600-800 rev/min, under the speed of 400-500 rev/min, dispersion stirs preparation winner paint;
(2) solidifying agent is prepared according to following preparation method:
In order 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE, TDI tripolymer and HDI tripolymer are added in container, disperse to stir under the speed of 600-800 rev/min;
(3) thinner is prepared according to following preparation method:
1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene are added in container and mixes;
(4) when using, the main paint of above-mentioned preparation, solidifying agent, thinner are mixed rear direct spraying construction melamine substrate surface by the weight ratio of 1:0.6-0.8:0.5-0.7.
The high plentiful Brilliant white paint tool of PU that melamine substrate that prepared by the present invention be applied to is exempted to polish has the following advantages: adopt component of the present invention and proportioning to combine being applied to when the high plentiful Brilliant white paint of PU that melamine substrate exempts to polish is applied to melamine substrate of preparation and do not need ground of polishing, can direct spraying, and after spraying, there is excellent sticking power, fullness ratio, hardness and glossiness, decrease working procedure simultaneously, save time and cost, add working efficiency.Described adhesion promoter can promote the sticking power of PU Brilliant white paint and melamine substrate.
The present invention realizes melamine substrate to exempt to polish and to have excellent sticking power and fullness ratio after the high plentiful Brilliant white paint spraying of direct spraying construction PU like this: the bonding strength improving top coat film forming matter and melamine substrate by adding a kind of adhesion promoter with reaction active groups epoxy radicals silicone hydride in PU Brilliant white paint, the adhesion promoter end with reaction active groups epoxy radicals silicone hydride contains two kinds of different functional groups, a kind of functional group can react with melamine substrate, another kind of functional group can react with Synolac that realizing does not polish after the high plentiful Brilliant white paint of direct spraying PU is done solid work in melamine substrate the physicalies such as the sticking power of excellence.
The present invention be applied to melamine substrate exempt from polish unsaturated polyester priming paint also have the following advantages:
(1), the present invention is applied to the normal temperature solidified film forming of unsaturated polyester priming paint that melamine substrate is exempted to polish.
(2), the present invention be applied to melamine substrate exempt from polish unsaturated polyester priming paint can by corresponding construction technology process wood furniture surface direct spraying.
(3), the present invention is applied to the unsaturated polyester priming paint that melamine substrate exempts to polish and has excellent sticking power; solve that the white unsaturated polyester priming paint of not polishing for poly cyanamid ground does not grind, the phenomenon of poor adhesive force; be used in wood furniture and do coating protection on the surface, there is good sticking power and excellent mechanical property.
(4), the present invention be applied to melamine substrate exempt from polish unsaturated polyester priming paint simple to operate, application property is good.
(5), the present invention is applied to the film performance excellence that melamine substrate exempts from the unsaturated polyester priming paint of polishing.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail.
(1) embodiment is as follows:
A kind of high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish, mixed by the weight ratio of 1:0.6-0.8:0.5-0.7 by main paint, solidifying agent, thinner, wherein main paint, solidifying agent, thinner respectively by following component and ratio of weight and number formulated:
Wherein the component of main paint and ratio of weight and number as follows:
Wherein the component of solidifying agent and parts by weight as follows:
Wherein the component of thinner and parts by weight as follows:
N-BUTYL ACETATE 30.0-40.0 part
Dimethylbenzene 30.0-40.0 part
1-Methoxy-2-propyl acetate 20.0-40.0 part.
Be applied to a preparation method for the high plentiful Brilliant white paint of PU that melamine substrate is exempted to polish, comprise following step:
(1) main paint is prepared according to following preparation method:
A, Synolac and dispersion agent are added in container, then in order gentle for rutile titanium white powder aerosil is added in container under the speed of 600-800 rev/min, then disperse to stir under the speed of 1000-1200 rev/min;
B, in order defoamer, esters of acrylic acid flow agent and silicone based flow agent are added in said vesse under the speed of 600-800 rev/min, then disperse to stir under the speed of 600-800 rev/min;
C, add in said vesse by adhesion promoter, dibasic ester and 1-Methoxy-2-propyl acetate in order under the speed of 600-800 rev/min, under the speed of 400-500 rev/min, dispersion stirs preparation winner paint;
(2) solidifying agent is prepared according to following preparation method:
In order 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE, TDI tripolymer and HDI tripolymer are added in container, disperse to stir under the speed of 600-800 rev/min;
(3) thinner is prepared according to following preparation method:
1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene are added in container and mixes;
(4) when using, the main paint of above-mentioned preparation, solidifying agent, thinner are mixed rear direct spraying construction melamine substrate surface by the weight ratio of 1:0.6-0.8:0.5-0.7.
It is solid containing the Synolac for 75%-80% that above-mentioned Synolac adopts Changxing Resins Corporation to produce.The BYK163 dispersion agent that described dispersion agent adopts Bi Ke company to produce.The silicone based defoamer of BYK141 type that described defoamer adopts Bi Ke company to produce.The EFKA3777 type flow agent that described flow agent adopts EFKA company to produce and German Bi Ke company produce BYK333 type flow agent.Described rutile titanium white powder is that the Dow Chemical Company produces.Described aerosil is the R972 type that goldschmidt chemical corporation is produced, in white powder, and can free-pouring aerosil.Described adhesion promoter is the thiol-based compound that Jin Tuan company produces.The 60T TDI tripolymer that TDI tripolymer adopts SAPICI to produce, the N3390 type HDI tripolymer that HDI tripolymer adopts Bayer to produce.Described dibasic ester, 1-Methoxy-2-propyl acetate, 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE are solvent.Described often kind of component also can adopt other type product similar.
(2) embodiment is as follows:
Embodiment 1: a kind of high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish, mixed by the weight ratio of 1:0.8:0.6 by main paint, solidifying agent, thinner, wherein main paint, solidifying agent, thinner respectively by following component and ratio of weight and number formulated:
Wherein the component of main paint and ratio of weight and number as follows:
Wherein the component of solidifying agent and parts by weight as follows:
Wherein the component of thinner and ratio of weight and number as follows:
N-BUTYL ACETATE 30.0 parts
Dimethylbenzene 30.0 parts
1-Methoxy-2-propyl acetate 40.0 parts.
Be applied to a preparation method for the high plentiful Brilliant white paint of PU that melamine substrate is exempted to polish, comprise following step:
(1) main paint is prepared according to following preparation method:
A, Synolac 70.0 parts and dispersion agent 0.4 part are added in container, then in order 25.0 parts, rutile titanium white powder and aerosil 0.1 part are added in container under the speed of 800 revs/min, then disperse to stir under the speed of 1200 revs/min;
B, in order silicone based defoamer 0.1 part, esters of acrylic acid flow agent 0.1 part and silicone based flow agent 0.1 part are added in said vesse under the speed of 800 revs/min, then disperse to stir under the speed of 800 revs/min;
C, add in said vesse by adhesion promoter 2.0 parts, dibasic ester 3.0 parts and 1-Methoxy-2-propyl acetate 2.0 parts in order under the speed of 800 revs/min, under the speed of 500 revs/min, dispersion stirs preparation winner paint;
(2) solidifying agent is prepared according to following preparation method:
In order 1-Methoxy-2-propyl acetate 10.0 parts, N-BUTYL ACETATE 20.0 parts, TDI tripolymer 40.0 parts and HDI tripolymer 30.0 parts are added in container, disperse to stir under the speed of 800 revs/min;
(3) thinner is prepared according to following preparation method:
1-Methoxy-2-propyl acetate 40.0 parts, N-BUTYL ACETATE 30.0 parts and dimethylbenzene 30.0 parts are added in container and mixes;
(4) when using, the main paint of above-mentioned preparation, solidifying agent, thinner are mixed rear direct spraying construction melamine substrate surface by the weight ratio of 1:0.8:0.6.
It is solid containing the Synolac for 75%-80% that above-mentioned Synolac adopts Changxing Resins Corporation to produce.The BYK163 dispersion agent that described dispersion agent adopts Bi Ke company to produce.The silicone based defoamer of BYK141 type that described defoamer adopts Bi Ke company to produce.The EFKA3777 type flow agent that described flow agent adopts EFKA company to produce and German Bi Ke company produce BYK333 type flow agent.Described rutile titanium white powder is that the Dow Chemical Company produces.Described aerosil is the R972 type that goldschmidt chemical corporation is produced, in white powder, and can free-pouring aerosil.Described adhesion promoter is the thiol-based compound that Jin Tuan company produces.The 60T TDI tripolymer that TDI tripolymer adopts SAPICI to produce, the N3390 type HDI tripolymer that HDI tripolymer adopts Bayer to produce.
Embodiment 2: a kind of high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish, mixed by the weight ratio of 1:0.7:0.5 by main paint, solidifying agent, thinner, wherein main paint, solidifying agent, thinner respectively by following component and ratio of weight and number formulated:
Wherein the component of main paint and ratio of weight and number as follows:
Wherein the component of solidifying agent and parts by weight as follows:
Wherein the component of thinner and parts by weight as follows:
N-BUTYL ACETATE 35.0 parts
Dimethylbenzene 35.0 parts
1-Methoxy-2-propyl acetate 30.0 parts.
Be applied to a preparation method for the high plentiful Brilliant white paint of PU that melamine substrate is exempted to polish, comprise following step:
(1) main paint is prepared according to following preparation method:
A, Synolac 65.0 parts and dispersion agent 0.6 part are added in container, then in order 30.0 parts, rutile titanium white powder and aerosil 0.2 part are added in container under the speed of 600 revs/min, then disperse to stir under the speed of 1000 revs/min;
B, in order silicone based defoamer 0.3 part, esters of acrylic acid flow agent 0.3 part and silicone based flow agent 0.4 part are added in said vesse under the speed of 600 revs/min, then disperse to stir under the speed of 600 revs/min;
C, add in said vesse by adhesion promoter 4.0 parts, dibasic ester 4.0 parts and 1-Methoxy-2-propyl acetate 3.0 parts in order under the speed of 600 revs/min, under the speed of 400 revs/min, dispersion stirs preparation winner paint;
(2) solidifying agent is prepared according to following preparation method:
In order 1-Methoxy-2-propyl acetate 15.0 parts, N-BUTYL ACETATE 15.0 parts, TDI tripolymer 35.0 parts and HDI tripolymer 35.0 parts are added in container, disperse to stir under the speed of 600 revs/min;
(3) thinner is prepared according to following preparation method:
1-Methoxy-2-propyl acetate 30.0 parts, N-BUTYL ACETATE 35.0 parts and dimethylbenzene 35.0 parts are added in container and mixes;
(4) when using, the main paint of above-mentioned preparation, solidifying agent, thinner are mixed rear direct spraying construction melamine substrate surface by the weight ratio of 1:0.7:0.5.
It is solid containing the Synolac for 75%-80% that above-mentioned Synolac adopts Changxing Resins Corporation to produce.The BYK163 dispersion agent that described dispersion agent adopts Bi Ke company to produce.The silicone based defoamer of BYK141 type that described defoamer adopts Bi Ke company to produce.The EFKA3777 type flow agent that described flow agent adopts EFKA company to produce and German Bi Ke company produce BYK333 type flow agent.Described rutile titanium white powder is that the Dow Chemical Company produces.Described aerosil is the R972 type that goldschmidt chemical corporation is produced, in white powder, and can free-pouring aerosil.Described adhesion promoter is the thiol-based compound that Jin Tuan company produces.The 60T TDI tripolymer that TDI tripolymer adopts SAPICI to produce, the N3390 type HDI tripolymer that HDI tripolymer adopts Bayer to produce.
Embodiment 3: a kind of high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish, mixed by the weight ratio of 1:0.6:0.7 by main paint, solidifying agent, thinner, wherein main paint, solidifying agent, thinner respectively by following component and ratio of weight and number formulated:
Wherein the component of main paint and ratio of weight and number as follows:
Wherein the component of solidifying agent and parts by weight as follows:
Wherein the component of thinner and parts by weight as follows:
N-BUTYL ACETATE 40.0 parts
Dimethylbenzene 40.0 parts
1-Methoxy-2-propyl acetate 20.0 parts.
Be applied to a preparation method for the high plentiful Brilliant white paint of PU that melamine substrate is exempted to polish, comprise following step:
(1) main paint is prepared according to following preparation method:
A, Synolac 60.0 parts and dispersion agent 0.8 part are added in container, then in order 55.0 parts, rutile titanium white powder and aerosil 0.3 part are added in container under the speed of 700 revs/min, then disperse to stir under the speed of 1100 revs/min;
B, in order silicone based defoamer 0.5 part, esters of acrylic acid flow agent 0.4 part and silicone based flow agent 0.3 part are added in said vesse under the speed of 700 revs/min, then disperse to stir under the speed of 700 revs/min;
C, add in said vesse by adhesion promoter 6.0 parts, dibasic ester 5.0 parts and 1-Methoxy-2-propyl acetate 4.0 parts in order under the speed of 700 revs/min, under the speed of 450 revs/min, dispersion stirs preparation winner paint;
(2) solidifying agent is prepared according to following preparation method:
In order 1-Methoxy-2-propyl acetate 20.0 parts, N-BUTYL ACETATE 10.0 parts, TDI tripolymer 30.0 parts and HDI tripolymer 40.0 parts are added in container, disperse to stir under the speed of 800 revs/min;
(3) thinner is prepared according to following preparation method:
1-Methoxy-2-propyl acetate 20.0 parts, N-BUTYL ACETATE 40.0 parts and dimethylbenzene 40.0 parts are added in container and mixes;
(4) when using, the main paint of above-mentioned preparation, solidifying agent, thinner are mixed rear direct spraying construction melamine substrate surface by the weight ratio of 1:0.8:0.6.
It is solid containing the Synolac for 75%-80% that above-mentioned Synolac adopts Changxing Resins Corporation to produce.The BYK163 dispersion agent that described dispersion agent adopts Bi Ke company to produce.The silicone based defoamer of BYK141 type that described defoamer adopts Bi Ke company to produce.The EFKA3777 type flow agent that described flow agent adopts EFKA company to produce and German Bi Ke company produce BYK333 type flow agent.Described rutile titanium white powder is that the Dow Chemical Company produces.Described aerosil is the R972 type that goldschmidt chemical corporation is produced, in white powder, and can free-pouring aerosil.Described adhesion promoter is the thiol-based compound that Jin Tuan company produces.The 60T TDI tripolymer that TDI tripolymer adopts SAPICI to produce, the N3390 type HDI tripolymer that HDI tripolymer adopts Bayer to produce.
Through test to the present embodiment, the present invention is applied to every technical performance index of the high plentiful Brilliant white paint of PU that melamine substrate is exempted to polish and experimental data as follows respectively shown in table:
Project | Sticking power | Hardness | Glossiness |
Commercially available prod | 7 grades | 2H | 104 |
Embodiment 1 | 3 grades | 2H | 104 |
Embodiment 2 | 2 grades | 2H | 104 |
Embodiment 3 | 1 grade | 2H | 104 |
Test result from the above embodiments: do not need ground of polishing when the high plentiful Brilliant white paint of PU that melamine substrate that prepared by the present invention be applied to is exempted to polish is applied to melamine substrate, can direct spraying, and after spraying, there is excellent sticking power, hardness, glossiness and fullness ratio.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention, and the present invention has more than and is only confined to above-described embodiment, and every any improvement according to the principle of the invention or replacement, all should within protection scope of the present invention.
Claims (6)
1. the high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish, it is characterized in that, mixed by the weight ratio of 1:0.6-0.8:0.5-0.7 by main paint, solidifying agent, thinner, wherein main paint, solidifying agent, thinner respectively by following component and ratio of weight and number formulated:
Wherein the component of main paint and ratio of weight and number as follows:
Wherein the component of solidifying agent and parts by weight as follows:
Wherein the component of thinner and parts by weight as follows:
N-BUTYL ACETATE 30.0-40.0 part
Dimethylbenzene 30.0-40.0 part
1-Methoxy-2-propyl acetate 20.0-40.0 part.
2. the high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish according to claim 1, it is characterized in that: described Synolac is by the oily modified polyester resin of polyvalent alcohol, Tetra hydro Phthalic anhydride, lipid acid or fatty acid triglyceride condensation polymerization, the solid of described Synolac contains for 75%-80%.
3. the high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish according to claim 1, described adhesion promoter is thiol-based compound.
4. the high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish according to claim 1, is characterized in that: described gas phase dioxy turns to can free-pouring white powder anti-settling agent.
5. the high plentiful Brilliant white paint of PU being applied to melamine substrate and exempting to polish according to claim 1, is characterized in that: described defoamer is silicone based defoamer.
6. the preparation method being applied to the high plentiful Brilliant white paint of PU that melamine substrate is exempted to polish according to any one of claim 1-5, is characterized in that: comprise following step:
(1) main paint is prepared according to following preparation method:
A, Synolac and dispersion agent are added in container, then in order gentle for rutile titanium white powder aerosil is added in container under the speed of 600-800 rev/min, then disperse to stir under the speed of 1000-1200 rev/min;
B, in order defoamer, esters of acrylic acid flow agent and silicone based flow agent are added in said vesse under the speed of 600-800 rev/min, then disperse to stir under the speed of 600-800 rev/min;
C, add in said vesse by adhesion promoter, dibasic ester and 1-Methoxy-2-propyl acetate in order under the speed of 600-800 rev/min, under the speed of 400-500 rev/min, dispersion stirs preparation winner paint;
(2) solidifying agent is prepared according to following preparation method:
In order 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE, TDI tripolymer and HDI tripolymer are added in container, disperse to stir under the speed of 600-800 rev/min;
(3) thinner is prepared according to following preparation method:
1-Methoxy-2-propyl acetate, N-BUTYL ACETATE and dimethylbenzene are added in container and mixes;
(4) when using, the main paint of above-mentioned preparation, solidifying agent, thinner are mixed by the weight ratio of 1:0.6-0.8:0.5-0.7.
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CN201410765050.9A CN104497840A (en) | 2014-12-11 | 2014-12-11 | Sanding-free PU (polyurethane) high-fullness white-finish varnish applicable to melamine substrates and preparation method thereof |
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CN201410765050.9A CN104497840A (en) | 2014-12-11 | 2014-12-11 | Sanding-free PU (polyurethane) high-fullness white-finish varnish applicable to melamine substrates and preparation method thereof |
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Cited By (5)
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CN106280931A (en) * | 2016-08-09 | 2017-01-04 | 无锡市虎皇漆业有限公司 | Weather-proof Brilliant white paint of minute surface and preparation method thereof |
CN107057540A (en) * | 2017-01-11 | 2017-08-18 | 成都展辰涂料有限公司 | A kind of melamine plate is with exempting from polishing unsaturated polyester coating and preparation method thereof |
CN109468054A (en) * | 2018-10-31 | 2019-03-15 | 成都展辰涂料有限公司 | A kind of dedicated white polyurethane material and preparation method thereof for exempting from polishing of moulded board |
CN113881306A (en) * | 2021-10-13 | 2022-01-04 | 深圳市深赛尔股份有限公司 | Industrial high-weather-resistance water-based polyurea resin coating and preparation method thereof |
CN116536970A (en) * | 2023-04-25 | 2023-08-04 | 江苏绿享环保科技有限公司 | Coating process for impregnated paper veneer, finishing paint thereof and impregnated paper surface coating plate |
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CN103059707A (en) * | 2011-10-20 | 2013-04-24 | 展辰涂料集团股份有限公司 | Polyurethane paint used for melamine substrate |
CN103232802A (en) * | 2013-04-11 | 2013-08-07 | 三棵树涂料股份有限公司 | Free-of-polishing, double-component curable coating with super-strong adhesion and preparation method thereof |
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CN102533084A (en) * | 2010-12-22 | 2012-07-04 | 展辰涂料集团股份有限公司 | Poly urethane (PU) polyurethane paint |
CN103059707A (en) * | 2011-10-20 | 2013-04-24 | 展辰涂料集团股份有限公司 | Polyurethane paint used for melamine substrate |
CN103232802A (en) * | 2013-04-11 | 2013-08-07 | 三棵树涂料股份有限公司 | Free-of-polishing, double-component curable coating with super-strong adhesion and preparation method thereof |
Cited By (5)
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CN106280931A (en) * | 2016-08-09 | 2017-01-04 | 无锡市虎皇漆业有限公司 | Weather-proof Brilliant white paint of minute surface and preparation method thereof |
CN107057540A (en) * | 2017-01-11 | 2017-08-18 | 成都展辰涂料有限公司 | A kind of melamine plate is with exempting from polishing unsaturated polyester coating and preparation method thereof |
CN109468054A (en) * | 2018-10-31 | 2019-03-15 | 成都展辰涂料有限公司 | A kind of dedicated white polyurethane material and preparation method thereof for exempting from polishing of moulded board |
CN113881306A (en) * | 2021-10-13 | 2022-01-04 | 深圳市深赛尔股份有限公司 | Industrial high-weather-resistance water-based polyurea resin coating and preparation method thereof |
CN116536970A (en) * | 2023-04-25 | 2023-08-04 | 江苏绿享环保科技有限公司 | Coating process for impregnated paper veneer, finishing paint thereof and impregnated paper surface coating plate |
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