Summary of the invention
Goal of the invention: for solving the technical problem existing in prior art, the invention provides true stone exterior coating of a kind of aqueous environment protection silicon third and preparation method thereof.
Technology contents: for realizing above-mentioned technical purpose, the present invention proposes the true stone exterior coating of a kind of aqueous environment protection silicon third, the component organosilicon crylic acid latex 30%~40% that comprises following massfraction,, alcohol ester 12 film coalescence aid 2~5%, natural sliver 2~6%, silica powder 50~55%, thickening material 0.1~0.5%, frostproofer 1~5%, dispersion agent 0.1~0.3%, defoamer 0.1~0.3% and sanitas 0.1~0.3%.
Wherein, described organosilicon crylic acid latex is that mass ratio is (20~25): the high-grade organosilicon crylic acid latex of ZT-6500 of (10~15) and the mixture of high quality silicon acrylic emulsion, wherein, the high-grade organosilicon crylic acid latex of described ZT-6500 is that Hefei bright moon chemical building material company limited produces, and described high quality silicon acrylic emulsion is the high quality silicon acrylic emulsion of Guangzhou Shuan Pu trade Co., Ltd.Composite by two kinds of functional organosilicon crylic acid latexs are carried out according to above-mentioned mass ratio, can make both minimum at the synergistic cost that makes of performance simultaneously.
The particle diameter of described natural sliver is 1000~1500 orders, is preferably 1250 orders, and that natural sliver has is nontoxic, pollution-free, anticorrosive, acid and alkali-resistance, uprising solarization, non-discoloring feature.
The particle diameter of described silica powder is 200~3000 orders, is preferably 1250 orders.
Described thickening material is the multi-functional thickening material of Beijing Gongda Weiye Sci-Tech Research Center.
Described frostproofer is any one or a few in propylene glycol, ethylene glycol, propylene glycol and glycol, is preferably propylene glycol.
Described dispersion agent is the powerful dispersion agent of Beijing Gongda Weiye Sci-Tech Research Center.
Described defoamer is any one or a few in S-220, DF-8205/879, DF849/230, DF8206 and DF-220, is preferably S-220.
Described sanitas is the strong disinfecting sanitas 981 of Shanghai Ji Yi Chemical Co., Ltd..
The preparation method who the present invention proposes the true stone exterior coating of above-mentioned aqueous environment protection silicon third, comprises the steps:
(1) under the stirring velocity of 700~900r/min, the high-grade organosilicon crylic acid latex of the ZT-6500 of formula ratio, high quality silicon acrylic emulsion, alcohol ester 12 film coalescence aid and frostproofer are added respectively in stirred pot, stir 15-20min;
(2) be under the stirring velocity of 2700~2900r/min, respectively the silica powder of formula ratio, natural sliver added in stirred pot, to stir 25-30min even; The thickening material, dispersion agent, defoamer S-220 and the sanitas that add respectively formula ratio, stir 25-35min and obtain the true stone exterior coating of aqueous environment protection silicon third again.
Use the high-grade organosilicon crylic acid latex of ZT-6500 to make the exterior coating of preparation there is environment-friendly type, high thermal resistance, weathering resistance, high water-fast, chemical-resistant, the advantage such as hydrophobic, antipollution, high tint retention, snappiness, sticking power are good; Use high quality silicon acrylic emulsion, have lower film-forming temperature, glued membrane is fine and close, tough and tensile, gloss, hardness are high, antipollution, water-fast fabulous, strong adhesion, and cohesive strength is high, chemical-resistant, has excellent weather resistance, not xanthochromia; Use alcohol ester-12 can greatly reduce the minimum film-forming temperature of coating, obviously improve film forming properties, improve glossiness, intensity and the resistance to chalking energy of filming, promote levelling property, give and filming with good snappiness and elasticity, and can improve the freeze-thaw stability of coating; The features such as that the true stone exterior coating of environment friendly silicon third that uses natural sliver to make has is wear-resisting, waterproof, anticorrosion, nontoxic, cohesive force is strong; Use ultrafine quartz powder, the features such as nontoxic, hardness is high, opaque is fine and smooth, anticorrosive, acid and alkali-resistance, uprising solarization, nondiscoloration, have obvious strengthening action; Multi-functional thickening material is a kind of product innovation, environmental protection, and thickening material effect is splendid; Propylene glycol frostproofer, nontoxic, the viscosity of propylene glycol and good hygroscopicity, have good mutual solubility, and the aqueous solution of propylene glycol is effective antifreezing agent.Powerful dispersion agent has remarkable dispersive ability, splendid soil removability, good absorption, wet performance.
Beneficial effect: by the cooperatively interacting and mutually coordinating of each recipe ingredient of exterior coating of the present invention, the exterior coating tool of preparation is had the following advantages: environmental protection, film tough and tensile, sticking power is extremely strong; Have fabulous acid and alkali-resistance, water tolerance, anti-pollution, stereoscopic sensation by force, do not fade, the advantage such as texture is good, good decorating effect, overcome traditional stone paint chance water and washed away easy whiting, the shortcoming of the easy yellowing of solar radiation, copy the rock crystal grain effect of natural granite, the grouan texture texture that represents true to nature, geological diagnostics original appearance also, the texture of enriching that exactly likes stone material, give visual enjoyment serious as grouan, atmosphere, it is a kind of stone paint of aqueous, environmental protective permanent seal cooling, meet the demand of the modern life mankind to environmental protection, have good promotional value and development space.
Embodiment
The source of the chemical reagent that following each embodiment is used is as follows: the high-grade organosilicon crylic acid latex of ZT-6500 is bought from Hefei bright moon chemical building material company limited; High quality silicon acrylic emulsion is used to be bought from Guangzhou Shuan Pu trade Co., Ltd; Alcohol ester 12 film coalescence aid are bought from Wuxi Han Desen heavy chemicals company limited; Natural sliver is bought from Lingshou County, Hebei province Feng Jun sliver source mill; Silica powder is bought from Henan Province sea otter micro mist factory; Thickening material is used the multi-functional thickening material of buying from Beijing Gongda Weiye Sci-Tech Research Center; Propylene glycol frostproofer is bought from Jinan Ju You Chemical Co., Ltd.; Dispersion agent is used the powerful dispersion agent of buying from Beijing Gongda Weiye Sci-Tech Research Center; Sanitas is used the strong disinfecting sanitas 981 of buying from Shanghai Ji Yi Chemical Co., Ltd.; Defoamer S-220 buys from source, Jinsui River chemical industry.
The preparation of the true stone exterior coating of embodiment 1~5 aqueous environment protection silicon third.
The mass percent of each formula of giving according to form 1 and agitation condition, first, under stirring at low speed condition, the high-grade organosilicon crylic acid latex of the ZT-6500 of formula ratio, high quality silicon acrylic emulsion, alcohol ester 12 film coalescence aid and frostproofer are added respectively in stirred pot, stir 15~20min; Then, under high-speed stirring condition, the silica powder of formula ratio, sliver are added in stirred pot, stir 25~30min respectively; The thickening material, dispersion agent, defoamer S-220 and the sanitas that add respectively formula ratio, stir 25~35min and obtain the true stone exterior coating of aqueous environment protection silicon third again.
Each Example formulations of table 1 forms
The true stone exterior coating of embodiment 6 aqueous environment protection silicon third performance test results.
Performance to the true stone exterior coating of aqueous environment protection silicon third of embodiment 1~5 preparation is tested, and result is as shown in table 2.
The true stone exterior coating performance test results of table 2 aqueous environment protection silicon third
Use the high-grade organosilicon crylic acid latex of ZT-6500 to make the exterior coating of preparation there is environment-friendly type, high thermal resistance, weathering resistance, high water-fast, chemical-resistant, the advantage such as hydrophobic, antipollution, high tint retention, snappiness, sticking power are good; Use high quality silicon acrylic emulsion, have lower film-forming temperature, glued membrane is fine and close, tough and tensile, gloss, hardness are high, antipollution, water-fast fabulous, strong adhesion, and cohesive strength is high, chemical-resistant, has excellent weather resistance, not xanthochromia; Use alcohol ester-12 can greatly reduce the minimum film-forming temperature of coating, obviously improve film forming properties, improve glossiness, intensity and the resistance to chalking energy of filming, promote levelling property, give and filming with good snappiness and elasticity, and can improve the freeze-thaw stability of coating; The features such as that the true stone exterior coating of environment friendly silicon third that uses natural sliver to make has is wear-resisting, waterproof, anticorrosion, nontoxic, cohesive force is strong; Use ultrafine quartz powder, the features such as nontoxic, hardness is high, opaque is fine and smooth, anticorrosive, acid and alkali-resistance, uprising solarization, nondiscoloration, have obvious strengthening action; Multi-functional thickening material is a kind of product innovation, environmental protection, and thickening material effect is splendid; Propylene glycol frostproofer, nontoxic, the viscosity of propylene glycol and good hygroscopicity, have good mutual solubility, and the aqueous solution of propylene glycol is effective antifreezing agent.Powerful dispersion agent has remarkable dispersive ability, splendid soil removability, good absorption, wet performance.
The true stone exterior coating of the aqueous environment protection silicon third natural green environmental protection that adopts above-mentioned preparation method to develop, film tough and tensile, sticking power is extremely strong; Have fabulous acid and alkali-resistance, water tolerance, anti-pollution, stereoscopic sensation by force, do not fade, the advantage such as texture is good, good decorating effect, meet the demand of the modern life mankind to environmental protection, have good promotional value and development space.