Summary of the invention
The object of the present invention is to provide a kind of water-miscible paint of melamine plate, water-miscible paint provided by the invention directly can carry out application to melamine plate, and without the need to polishing, and sticking power is higher.
The invention provides a kind of melamine plate use paint, comprise the component of following parts by weight:
Benzene emulsion: 60 ~ 75 parts;
Defoamer: 0.1 ~ 0.5 part;
Flow agent: 0.1 ~ 0.5 part;
Film coalescence aid: 1 ~ 3 part;
PH adjusting agent: 0.1 ~ 1 part;
Thickening material: 0.1 ~ 0.6 part;
Adhesion promoter: 1.5 ~ 3 parts;
Water: 15 ~ 37 parts;
Described adhesion promoter is the mixing solutions of modified poly ester and ethylene glycol monobutyl ether.
Preferably, the DS6266 pure-acrylic emulsion that provides for BASF AG of described benzene emulsion;
The parts by weight of described benzene emulsion are 65 ~ 70 parts.
Preferably, described defoamer is water-based defoamer;
The parts by weight of described defoamer are 0.3 ~ 0.4 part.
Preferably, described flow agent is water-based flow agent;
The parts by weight of described flow agent are 0.2 ~ 0.3 part.
Preferably, described film coalescence aid is waterborne film-forming auxiliary agent;
The parts by weight of described film coalescence aid are 2 ~ 2.5 parts.
Preferably, described pH adjusting agent is water-based pH adjusting agent;
The parts by weight of described pH adjusting agent are 0.3 ~ 0.5 part.
Preferably, described thickening material is water-based thickener;
The parts by weight of described thickening material are 0.2 ~ 0.5 part.
Preferably, in described adhesion promoter, the massfraction of modified poly ester is 30 ~ 40%.
Preferably, the A-7008A adhesion promoter that provides for Tian Yuan trading company of described adhesion promoter.
Preferably, the parts by weight of described adhesion promoter are 2 ~ 2.5 parts.
The invention provides a kind of water-miscible paint of melamine plate, comprise the component of following parts by weight: benzene emulsion: 60 ~ 75 parts; Defoamer: 0.1 ~ 0.5 part; Flow agent: 0.1 ~ 0.5 part; Film coalescence aid: 1 ~ 3 part; PH adjusting agent: 0.1 ~ 1 part; Thickening material: 0.1 ~ 0.6 part; Adhesion promoter: 1.5 ~ 3 parts; Water: 15 ~ 37 parts; Described adhesion promoter is the mixing solutions of modified poly ester and ethylene glycol monobutyl ether.Water-miscible paint provided by the invention with the mixing solutions of modified poly ester and ethylene glycol monobutyl ether for adhesion promoter, described water-miscible paint is enable directly to carry out application to melamine plate, without the need to polishing, and there is higher sticking power, experimental result shows, adopt the melamine plate surface directly application that water-miscible paint provided by the invention is not being polished, sticking power is 0 grade (cross-cut tester method of testing).
Embodiment
The invention provides a kind of water-miscible paint of melamine plate, comprise the component of following parts by weight: benzene emulsion: 60 ~ 75 parts; Defoamer: 0.1 ~ 0.5 part; Flow agent: 0.1 ~ 0.5 part; Film coalescence aid: 1 ~ 3 part; PH adjusting agent: 0.1 ~ 1 part; Thickening material: 0.1 ~ 0.6 part; Adhesion promoter: 1.5 ~ 3 parts; Water: 15 ~ 37 parts; Described adhesion promoter is the mixing solutions of modified poly ester and ethylene glycol monobutyl ether.
Water-miscible paint provided by the invention directly can carry out application to melamine plate, without the need to polishing, is 0 grade to the sticking power of melamine plate.
Water-miscible paint provided by the invention comprises benzene emulsion, and described benzene emulsion is the main film forming substance in water-miscible paint, and described benzene emulsion is styrene-acrylate emulsion, and the model preferably adopting BASF AG to provide is the pure-acrylic emulsion of DS6266; The parts by weight of described benzene emulsion in described water-miscible paint are 60 ~ 75 parts, are preferably 65 ~ 70 parts.
Water-miscible paint provided by the invention comprises defoamer, described defoamer is preferably water-based defoamer, and the model that the water-based defoamer that the model that such as Di Gao company provides is Tego-822, Xuzhou Long Shida Chemical Industry Science Co., Ltd provide is the water-based defoamer of LSD-2700A; The parts by weight of described defoamer in described water-miscible paint are 0.1 ~ 0.5 part, are preferably 0.3 ~ 0.4 part.
Water-miscible paint provided by the invention comprises flow agent, and described flow agent is preferably water-based flow agent, the LSD-9033 product that the water-based flow agent that the model that such as Bi Ke company provides is BYK-349, Xuzhou Long Shida Chemical Industry Science Co., Ltd provide; The parts by weight of described flow agent in described water-miscible paint are 0.1 ~ 0.5 part, are preferably 0.2 ~ 0.3 part.
Water-miscible paint provided by the invention comprises film coalescence aid, and film coalescence aid can improve emulsion film forming mechanism, helps film forming, and after film forming, film coalescence aid volatilization, can not affect the characteristic of film.In the present invention, described film coalescence aid is preferably waterborne film-forming auxiliary agent, the CRH waterborne film-forming auxiliary agent that the PPH film coalescence aid that such as Guangzhou Hui Xiang Chemical Co., Ltd. provides, Guangzhou Xuan Ning chemical company provide; The parts by weight of described film coalescence aid in described water-miscible paint are 1 ~ 3 part, are preferably 2 ~ 2.5 parts.
Water-miscible paint provided by the invention comprises pH adjusting agent, and described pH adjusting agent is preferably water-based pH adjusting agent, as the AMP-95pH adjusting agent that Guangzhou Ang Di Chemical Co., Ltd. provides; The parts by weight of described pH adjusting agent in described water-miscible paint are 0.1 ~ 1 part, are preferably 0.3 ~ 0.5 part.The present invention is after with the addition of described pH adjusting agent, and the pH value of the water-miscible paint obtained is preferably 8 ~ 9.
Water-miscible paint provided by the invention comprises thickening material, and described thickening material is preferably water-based thickener, the RJ-640 aqueous polyurethane thickener that the thickening material that the model provided as Di Gao company is TEGO3010, Shanghai zero provide apart from company; The parts by weight of described thickening material in described water-miscible paint are 0.1 ~ 0.6 part, are preferably 0.2 ~ 0.5 part.
Water-miscible paint provided by the invention comprises adhesion promoter, described adhesion promoter can improve the adhesion property of water-miscible paint, in the present invention, described adhesion promoter is the mixing solutions of modified poly ester and ethylene glycol monobutyl ether, wherein ethylene glycol monobutyl ether is solvent, and modified poly ester is effective constituent, and the massfraction of described modified poly ester is preferably 30 ~ 40%, concrete, the model that Tian Yuan trading company can be adopted to provide is the adhesion promoter of A-7008A.In the present invention, the parts by weight of described adhesion promoter are 1.5 ~ 3 parts, are preferably 2 ~ 2.5 parts.
Water-miscible paint provided by the invention comprises water, and described water preferably adopts deionized water, and the parts by weight of described water are 15 ~ 37 parts, is preferably 20 ~ 30 parts, is more preferably 22 ~ 28 parts.
In the present invention, distinct colors is possessed in order to make described water-miscible paint, practical requirement, the present invention preferably adds the additive that some have color mileage in described water-miscible paint, as titanium dioxide, black slurry etc., the described parts by weight of additive in described water-miscible paint with color mileage are preferably 10 ~ 20 parts, are more preferably 15 ~ 16 parts.Add the water-miscible paint of titanium dioxide in white, the water-miscible paint adding black slurry is black, the source of the present invention to described titanium dioxide does not have special restriction, concrete, the model that du pont company can be adopted to provide is the titanium dioxide of R-900, the source of the present invention to described black slurry does not have special restriction, preferably obtains according to the formulated of following weight part:
Emulsion: 60 parts; Carbon powder: 10 parts; Defoamer: 1 part; Dispersion agent: 1 part; Water: 18 parts.
In the present invention, the emulsion in described black slurry is styrene-acrylate emulsion, and the model preferably adopting BASF AG to provide is the pure-acrylic emulsion of DS6266; Defoamer in described black slurry is preferably water-based defoamer, and the model that the water-based defoamer that the model that such as Di Gao company provides is Tego-822, Xuzhou Long Shida Chemical Industry Science Co., Ltd provide is the water-based defoamer of LSD-2700A; Dispersion agent in described black slurry is aqueous dispersant, the HLD-10 product that preferred German Silcona company provides, and this product is the high-performance dispersion agent for water-based system, or the Daragon DR130 aqueous dispersant of BASF (BASF); The MA-100 carbon powder that described carbon powder provides for MIT.
The present invention is preferably by benzene emulsion and water mixing, stirred, defoamer is added in whipping process, (described powder is flour in raw material to add powder again, as talcum powder, titanium dioxide etc.) at a high speed (1000 revs/min) be stirred to fineness qualified (fineness is less than 40 microns), then stirring velocity (400 revs/min) is reduced, add flow agent, pH adjusting agent, thickening material, film coalescence aid and adhesion promoter while stirring, middling speed (700 revs/min) dispersion 10 ~ 20 minutes, obtains the water-miscible paint of melamine plate.
After obtaining water-miscible paint, described water-miscible paint and water are preferably carried out proportioning by the present invention, again melamine plate is sprayed, the mass ratio of described water-miscible paint and water is preferably 1:(0.05 ~ 0.1), during spraying, as long as removed by the dust on described melamine plate surface clean, without the need to polishing, direct spraying is treated dry.
The present invention has carried out sticking power test to the melamine plate being coated with water-miscible paint provided by the invention, testing method is cross-cut tester method of testing: first on the model that will test, mark hundred lattice with cross-cut tester, utilize the adhesive tape sticking of 3M600 or 610 in hundred lattice, quick pull-up 3M adhesive tape, the quantity that its paint has been sticked by adhesive tape is according to the per-cent of hundred lattice.Cross-cut tester method of testing result and grading standard as shown in table 1, table 1 is cross-cut tester method of testing result and grading standard.
Table 1 cross-cut tester method of testing result and grading standard
Test result shows, water-miscible paint sticking power provided by the invention is 0 grade of ISO grade, and sticking power is higher.
The present invention tests according to GB18581 the melamine plate bending resistance curvature being coated with water-miscible paint that the present embodiment obtains, and result shows, bending resistance curvature≤3mm.
The present invention tests according to GB18581 the shock-resistant degree of the melamine plate being coated with water-miscible paint that the present embodiment obtains, and result shows, shock-resistant degree >=40cm.
The present invention tests according to GB18581 the melamine plate hardness being coated with water-miscible paint that the present embodiment obtains, and result shows, hardness is HB.
The invention provides a kind of water-miscible paint of melamine plate, comprise the component of following parts by weight: benzene emulsion: 60 ~ 75 parts; Defoamer: 0.1 ~ 0.5 part; Flow agent: 0.1 ~ 0.5 part; Film coalescence aid: 1 ~ 3 part; PH adjusting agent: 0.1 ~ 1 part; Thickening material: 0.1 ~ 0.6 part; Adhesion promoter: 1.5 ~ 3 parts; Water: 15 ~ 37 parts; Described adhesion promoter is the mixing solutions of modified poly ester and ethylene glycol monobutyl ether.Water-miscible paint provided by the invention with the mixing solutions of modified poly ester and ethylene glycol monobutyl ether for adhesion promoter, described water-miscible paint is enable directly to carry out application to melamine plate, without the need to polishing, and there is higher sticking power, experimental result shows, adopt the melamine plate surface directly application that water-miscible paint provided by the invention is not being polished, sticking power is 0 grade (cross-cut tester method of testing).
In order to further illustrate the present invention, below in conjunction with embodiment, a kind of melamine plate use paint provided by the invention being described in detail, but can not limiting the scope of the present invention being understood as.
In the examples below, melamine plate used is the pleasant trimeric cyanamide patch plate reaching the 15mm that company provides.Benzene emulsion is the pure-acrylic emulsion DS6266 of BASF; Defoamer adopts the Tego-822 of Di Gao company; Flow agent is the BYK-349 of Bi Ke company; Film coalescence aid is the PPH of Guangzhou remittance Xiang chemical industry; PH adjusting agent is the AMP-95 that Dihua work is held high in Guangzhou; Thickening material is the TEGO3010 thickening material of Di Gao company; Adhesion promoter is the A-7008A of Tian Yuan trading company; Water is deionized water.
Embodiment 1
Formula comprises: benzene emulsion: 70g, defoamer: 0.3g, flow agent: 0.2g, film coalescence aid: 2g, PH adjusting agent: 0.3g, thickening material: 0.2g, adhesion promoter: 2g, water: 25g.
By clean for a mixing bowl washed with de-ionized water, benzene emulsion and water is added according to above-mentioned formula, slow stirring, then defoamer is added while stirring, then flow agent, pH adjusting agent, thickening material, film coalescence aid and adhesion promoter is added while stirring with the speed of 400 revs/min, with the Rate Dispersion 10 minutes of 700 revs/min, obtain water-miscible paint.
According to water-miscible paint: water=1:0.05 (mass ratio) carries out proportioning, and melamine plate is dried up dust, direct spraying (can polish) is treated dry.
The present invention tests the water-miscible paint paint film being coated in melamine plate that the present embodiment obtains according to cross-cut tester method of testing mentioned above, and result shows, sticking power grade is 0 grade (ISO grade).
The present invention tests the paint film resist bending on the melamine plate surface that the present embodiment obtains, shock-resistant and hardness according to method mentioned above, and result shows, bending resistance curvature≤3mm, shock-resistant degree >=40cm, hardness is HB.
Embodiment 2
Formula comprises: benzene emulsion: 70g, defoamer: 0.3g, titanium dioxide: 15g; Flow agent: 0.2g, film coalescence aid: 2g, PH adjusting agent: 0.3g, thickening material: 0.2g, adhesion promoter: 2g, water: 15g.
By clean for a mixing bowl washed with de-ionized water, benzene emulsion and water is added according to above-mentioned formula, slow stirring, then defoamer is added while stirring, add titanium dioxide to be again stirred to fineness qualified (being less than 40 microns) with the speed of 1000 revs/min and then to underspeed to 700 revs/min, add flow agent, pH adjusting agent, thickening material, film coalescence aid and adhesion promoter while stirring, with the Rate Dispersion 10 minutes of 400 revs/min, obtain water-miscible paint.
According to water-miscible paint: water=1:0.1 (mass ratio) carries out proportioning, and melamine plate is dried up dust, direct spraying (can polish) is treated dry.
The present invention tests according to the paint film of cross-cut tester method of testing to the melamine plate surface that the present embodiment obtains, and result shows, sticking power grade is 0 grade (ISO grade).
The present invention tests resist bending, the shock-resistant and hardness of the melamine plate surface paint film that the present embodiment obtains according to method mentioned above, and result shows, resist bending≤3mm, shock-resistant >=40cm, and hardness is HB.
Embodiment 3
Formula comprises: benzene emulsion: 65g, defoamer: 0.3g, black slurry: 20g flow agent: 0.2g, film coalescence aid: 2g, PH adjusting agent: 0.3g, thickening material: 0.2g, adhesion promoter: 2g, water: 15g;
Black slurry is filled a prescription:
The DS6266 pure-acrylic emulsion that BASF provides: 60 parts; The MA-100 carbon black toner that MIT provides: 10 parts; The Tego-822 defoamer of Di Gao company: 1 part; Germany Silcona company HLD-10 aqueous dispersant: 1 part; Water: 18 parts.
By clean for a mixing bowl washed with de-ionized water, benzene emulsion and water is added according to above-mentioned formula, slow stirring, then defoamer is added while stirring, add black slurry to be again stirred to fineness qualified (being less than 40 microns) with the speed of 1000 revs/min and then to underspeed to 400 revs/min, add flow agent, pH adjusting agent, thickening material, film coalescence aid and adhesion promoter while stirring, with the Rate Dispersion 10 minutes of 700 revs/min, obtain water-miscible paint.
According to water-miscible paint: water=1:0.05 (mass ratio) carries out proportioning, and melamine plate is dried up dust, direct spraying (can polish) is treated dry.
The present invention tests according to the cross-cut tester method of testing mentioned above paint film to the melamine plate surface that the present embodiment obtains, and result shows, sticking power grade is 0 grade (ISO grade).
The present invention tests resist bending, the shock-resistant and hardness of the paint film on the melamine plate surface that the present embodiment obtains according to method mentioned above, result shows, resist bending≤3mm, shock-resistant >=40cm, and hardness is HB.
As can be seen from the above embodiments, water-miscible paint provided by the invention, can directly spray on melamine plate, without the need to polishing, and has higher sticking power.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.