CN101845276B - Acidproof latex paint and preparation method thereof - Google Patents
Acidproof latex paint and preparation method thereof Download PDFInfo
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- CN101845276B CN101845276B CN2010102056450A CN201010205645A CN101845276B CN 101845276 B CN101845276 B CN 101845276B CN 2010102056450 A CN2010102056450 A CN 2010102056450A CN 201010205645 A CN201010205645 A CN 201010205645A CN 101845276 B CN101845276 B CN 101845276B
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Abstract
The invention discloses an acidproof latex paint and a preparation method thereof. The acidproof latex paint is prepared by blending the following raw materials in percentage by weight: 0.5 to 2 percent of dispersing agent, 1 to 2.5 percent of propylene glycol, 0.05 to 1 percent of defoaming agent, 8 to 15 percent of titanium white, 20 to 44 percent of silica flour, 15 to 27 percent of emulsion, 0.5 to 2.5 percent of film-forming aid, 0.5 to 2 percent of thickening agent and the balance of water. The preparation method comprises the following steps of: adding the water, dispersing agent, propylene glycol and defoaming agent into a material tank at a speed of 200 rpm, improving the speed to 400 rpm, and stirring for 20 minutes until the aid is dispersed; adding the silica flour and the titanium white; improving the speed to 1,000 rpm, and stirring for 30 minutes; grinding to obtain white pulp; adding the emulsion into a paint tank, and adding the film-forming aid and the thickening agent; stirring 20 minutes to obtain a base material; slowly adding the white pulp under the same working condition, stirring for 15 minutes, filtering, canning and warehousing.
Description
Technical field
The invention belongs to technical field of construction and decoration materials, relate to a kind of wallcovering that interior wall or exterior wall are used that is used for, specifically, is a kind of acidproof latex paint and preparation method thereof.
Background technology
Wallcovering of the prior art mostly with raw materials such as lime carbonate as filler, and lime carbonate has the characteristic that the acid of meeting just can attack.Along with the continuous deterioration of environment for human survival, being on the increase of acid rain amount, the weather resistance of coating has had a strong impact on the especially decorative effect of exterior wall of buildings worse and worse.
The insider knows that the essentially consist of rubber-emulsion paint comprises 1. base-materials substantially: emulsion; 2. pigment: white titanium pigment, mill base; 3. filler: lime carbonate, talcum powder etc.; 4. auxiliary agent: skimmer, wetting dispersing agent, film coalescence aid, thickening material, antimildew disinfectant etc.In the production technique of existing rubber-emulsion paint series products, only have in the filler of minute quantity import rubber-emulsion paint and use silica powder (being that SiO2 is silicon powder again), and its consumption to be only about 5%, other main stuffing still is lime carbonate, talcum powder etc.Thereby the water-based wall paint is that rubber-emulsion paint does not mostly possess the acid proof characteristic at present, that is to say still do not have the acid proof rubber-emulsion paint on the market at present.
All do not possess the acid proof characteristic just because of present domestic and international existing aqueous latex paint, therefore, comprise the Interventions Requested that also exclude acidproof index in the standard of national rubber-emulsion paint, international standards such as the U.S. also are like this.
Summary of the invention
The objective of the invention is to overcome the deficiency or the defective of prior art, a kind of acidproof latex paint and preparation method thereof is provided, make it not only adapt to sour environment, simultaneously other the main quality and the performance index of rubber-emulsion paint are improved.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of acidproof latex paint is characterized in that, it is by raw material: dispersion agent, Ucar 35, skimmer, white titanium pigment, silica powder (SiO
2), emulsion, film coalescence aid, thickening material and an amount of water allotment form;
The weight percent of said raw material is: dispersion agent 0.5～2%, Ucar 35 1～2.5%, skimmer 0.05～1%, white titanium pigment 8～15%, silica powder (SiO
2) 20～44%, emulsion 15～27%, film coalescence aid 0.5～2.5%, thickening material 0.5～2%, all the other are water;
The weight percent sum of all components is 100%.
A kind of preparation method of above-mentioned acidproof latex paint is characterized in that, it comprises following steps:
A) utilize material-compound tank, under 200 rev/mins rotating speed whipped state, an amount of successively dispersion agent, Ucar 35, skimmer and the water that adds in the said raw material is in harmonious proportion;
B) raise speed afterwards to 400～500 rev/mins, continue to stir about 20 minutes, be uniformly dispersed to auxiliary agent;
C) under 400 rev/mins rotating speed whipped state, slowly an amount of according to quantity successively silica powder, the white titanium pigment that adds in the said raw material;
D) raise speed afterwards to 1000～1200 rev/mins, continue to stir 30～40 minutes; Pump into then and be ground to required fineness in the sand mill; Promptly obtain coating with white slurry;
E) in paint mixing tank, with 400 rev/mins stirring velocity, an amount of successively emulsion, film coalescence aid, the thickening material that adds in the said raw material; And, all need stir 5～10 minutes behind a kind of raw material of every adding, continue at last to stir 10～30 minutes; Promptly obtain coating and use base-material;
F) in the paint mixing tank of base-material is housed, with 400 rev/mins stirring velocity, slowly add ground white slurry, continue to stir about 15 minutes uniform states extremely fully;
G) tinning is finished product after filtering.
Owing to adopted above-mentioned technical scheme, the present invention compared with prior art has following advantage and positively effect:
1. acidproof.Silica powder (being silicon powder) unreactiveness is not reacted with common soda acid.And wall paint before is because of being filler with lime carbonate etc., and meeting acid can attack.
2. low-carbon energy-saving.When being filler production wall paint with silica powder, spoke reduces latex and auxiliary dosage greatly, not only practices thrift the petrochemical complex resource, has also greatly reduced the content of volatile organic compounds (being VOC).Simultaneously, because of silicon powder to ultraviolet reflection of light and heat resistance characteristic, comparatively speaking, can reduce thermal absorption and radiation, from the time play the heat-insulation and heat-preservation effect.
3. raising weathering resistance.Because of silica powder (being silicon powder) not only has anti-ultraviolet optical property, it also has the adsorpting pigment ion, reduces the effect of pigment decay, and these article are significantly improved than the anti-illumination and the uv-radiation ability of traditional coating; Simultaneously its cross-linked network and high surface hardness, problem such as can effectively reduce paint film variable color, foaming, crackle, peel off is than traditional coating raising life-span more than three times.
4. improve anti-staining property and self-cleaning ability.The one, the adding of silica powder (being silicon powder) make the glass transition temperature Tg of product be improved, and glass transition temperature Tg is high more, and anti-staining property is good more.Thoroughly solve the back coating deliquescing of being heated summer and be clamminess, or coating receives rainwater to soak post softening, and the phenomenon of binding dust.The 2nd, the multi-cellular structure of silica powder (being silicon powder); Geometrical shape complementary in coating surface forms the nanoscale scope (as recessed and protruding alternate) interface structure; Make its surface present amphiphilic or two thin property; Thereby effectively improve the tack of rainwater, improve the resistance to soiling and the self-cleaning ability of paint film, guarantee that paint film is permanent clean as new the wetting and coating surface of trade sales coating layer coating surface.
5. raising sticking power.Silica powder (being silicon powder) is scattered in the coating emulsion; Because big specific surface area and large specific surface ability play strong adhesive force and show to body of wall, but no any variation in the long period of soaking water; Brushing resistance can be brought up to for several thousand times up to ten thousand times by traditional coating, very causes more than hundreds thousand of times.
Description of drawings
Through following examples and combine the description of its accompanying drawing, can further understand purpose, specific structural features and the advantage of its invention.In the accompanying drawing,
Fig. 1 is an acidproof latex paint preparing method's of the present invention process flow diagram;
Table 1 is six embodiment of each component of acidproof latex paint of the present invention and content thereof.
Embodiment
A kind of acidproof latex paint, it is by raw material dispersion agent, Ucar 35, skimmer, white titanium pigment, silica powder (SiO
2), emulsion, film coalescence aid, thickening material and suitable quantity of water allotment form;
The weight percent of raw material is: dispersion agent 0.5～2%, Ucar 35 1～2.5%, skimmer 0.05～1%, white titanium pigment 8～15%, silica powder (SiO
2) 20～44%, emulsion 15～27%, film coalescence aid 0.5～2.5%, thickening material 0.5～2%, all the other are water;
The weight percent sum of all components is 100%.
A kind of preparation method of acidproof latex paint, it comprises following steps:
A) utilize material-compound tank, under 200 rev/mins rotating speed whipped state, an amount of successively dispersion agent, Ucar 35, skimmer and the water that adds in the said raw material is in harmonious proportion;
B) raise speed afterwards to 400～500 rev/mins, continue to stir about 20 minutes, be uniformly dispersed to auxiliary agent;
C) under 400 rev/mins rotating speed whipped state, slowly an amount of according to quantity successively silica powder, the white titanium pigment that adds in the said raw material;
D) raise speed afterwards to 1000～1200 rev/mins, continue to stir 30～40 minutes; Pump into then and be ground to required fineness in the sand mill; Promptly obtain coating with white slurry;
E) in paint mixing tank, with 400 rev/mins stirring velocity, an amount of successively emulsion, film coalescence aid, the thickening material that adds in the said raw material; And, all need stir 5～10 minutes behind a kind of raw material of every adding, continue at last to stir 10～30 minutes; Promptly obtain coating and use base-material;
F) in the paint mixing tank of base-material is housed, with 400 rev/mins stirring velocity, slowly add ground white slurry, continue to stir about 15 minutes uniform states extremely fully;
G) tinning is finished product after filtering.
Embodiment 1
The weight percent of acidproof latex paint raw material of the present invention is: dispersion agent 0.5%, Ucar 35 2.5%, skimmer 1%, white titanium pigment 15%, silica powder (SiO
2) 28.5%, emulsion 21%, film coalescence aid 2.5%, thickening material 2%, water 27%.
Can produce according to following steps:
A) utilize special-purpose paint mixing tank, under 200 rev/mins rotating speed whipped state, the water 27% that adds successively in the above-mentioned raw materials is in harmonious proportion with dispersion agent 0.5%, Ucar 35 2.5%, skimmer 1%;
B) raise speed afterwards to 400 rev/mins, continue to stir 20 minutes, be uniformly dispersed to auxiliary agent;
C) under 400 rev/mins rotating speed whipped state, slowly add silica powder 28.5%, white titanium pigment 15% in the above-mentioned raw materials successively according to quantity;
D) raise speed afterwards to 1000 rev/mins, continue to stir 30 minutes; Pump into then and be ground to required fineness in the sand mill; Promptly obtain coating with white slurry;
E) in paint mixing tank,, add emulsion 21%, film coalescence aid 2.5%, thickening material 2% in the above-mentioned raw materials successively in right amount with 400 rev/mins stirring velocity; And, all need stir 5 minutes behind a kind of raw material of every adding, continue at last to stir 30 minutes; Promptly obtain coating and use base-material;
F) in the paint mixing tank of base-material is housed, with 400 rev/mins stirring velocity, slowly add ground white slurry, continue to stir 16 minutes uniform states extremely fully;
G) tinning is finished product after filtering.
Embodiment 2
The weight percent of acidproof latex paint raw material of the present invention is: dispersion agent 2%, Ucar 35 1%, skimmer 0.05%, white titanium pigment 8%, silica powder (SiO
2) 44%, emulsion 15%, film coalescence aid 0.5%, thickening material 0.5%, water 28.95%.
Can produce according to following steps:
A) utilize material-compound tank, under 200 rev/mins rotating speed whipped state, the water 28.95% that adds successively in the above-mentioned raw materials is in harmonious proportion with dispersion agent 2%, Ucar 35 1%, skimmer 0.05%;
B) raise speed afterwards to 500 rev/mins, continue to stir 25 minutes, be uniformly dispersed to auxiliary agent;
C) under 400 rev/mins rotating speed whipped state, slowly add silica powder 44%, white titanium pigment 8% in the above-mentioned raw materials successively according to quantity;
D) raise speed afterwards to 1200 rev/mins, continue to stir 40 minutes; Pump in the sand mill then and grind; Promptly obtain coating with white slurry;
E) utilize paint mixing tank,, add emulsion 15%, film coalescence aid 0.5%, thickening material 0.5% in the above-mentioned raw materials successively in right amount with 400 rev/mins stirring velocity; And, all need stir 10 minutes behind a kind of raw material of every adding, continue at last to stir 20 minutes; Promptly obtain coating and use base-material;
F) in the paint mixing tank of base-material is housed, with 400 rev/mins stirring velocity, slowly add ground white slurry, continue to stir 14 minutes uniform states extremely fully;
G) tinning is finished product after filtering.
Embodiment 3
The weight percent of acidproof latex paint raw material of the present invention is: dispersion agent 1.35%, Ucar 35 1.38%, skimmer 0.85%, white titanium pigment 8.5%, silica powder (SiO
2) 20%, emulsion 27%, film coalescence aid 0.88%, thickening material 0.19%, water 39.85%.
Can produce according to following steps:
A) utilize material-compound tank, under 200 rev/mins rotating speed whipped state, the water 39.85% that adds successively in the above-mentioned raw materials is in harmonious proportion with dispersion agent 1.35%, Ucar 35 1.38%, skimmer 0.85%;
B) raise speed afterwards to 450 rev/mins, continue to stir 18 minutes, be uniformly dispersed to auxiliary agent;
C) under 400 rev/mins rotating speed whipped state, slowly add silica powder 20%, white titanium pigment 8.5% in the above-mentioned raw materials successively according to quantity;
D) raise speed afterwards to 1100 rev/mins, continue to stir 35 minutes; Pump in the sand mill then and grind; Promptly obtain coating with white slurry.
E) utilize paint mixing tank,, add emulsion 27%, film coalescence aid 0.88%, thickening material 0.19% in the above-mentioned raw materials successively in right amount with 400 rev/mins stirring velocity; And, all need stir 8 minutes behind a kind of raw material of every adding, continue at last to stir 10 minutes; Promptly obtain coating and use base-material;
F) in the paint mixing tank of base-material is housed, with 400 rev/mins stirring velocity, slowly add ground white slurry, continue to stir 15 minutes uniform states extremely fully;
G) tinning is finished product after filtering.
In addition, acidproof latex paint of the present invention can also according under tabulate and 1 prepare:
| Sequence number | Dispersion agent | Ucar 35 | Skimmer | White titanium pigment | Emulsion | Silica powder | Film coalescence aid | Thickening material | Water |
| 1 | 1.1％ | 1.5％ | 0.1％ | 10％ | 20％ | 25％ | 1.5％ | 1.0％ | 39.8％ |
| 2 | 0.96％ | 2.0％ | 0.08％ | 9.0％ | 17％ | 28％ | 2.0％ | 0.96％ | 40.0％ |
| 3 | 1.2％ | 1.8％ | 0.6％ | 12％ | 18％ | 30％ | 0.8％ | 1.4％ | 34.2％ |
| 4 | 0.6％ | 2.2％ | 0.8％ | 14％ | 25％ | 33％ | 1.0％ | 1.6％ | 21.8％ |
| 5 | 1.85％ | 2.0％ | 0.97％ | 9.6％ | 16％ | 38％ | 0.98％ | 1.2％ | 29.4％ |
| 6 | 1.58％ | 1.88％ | 0.88％ | 11％ | 19％ | 36％ | 2.3％ | 1.86％ | 25.5％ |
For other embodiment of the above-mentioned acidproof latex paint of preparation, each component of listed acidproof latex paint and content all can be selected to add in the table 1, repeat no more.
Acidproof latex paint of the present invention replaces employed filler in traditional rubber-emulsion paint fully with silica powder, like lime carbonate, and talcum powder, high mountain range scholar etc.Because silica powder (being silicon powder) is the natural inorganic non-metallic material, nontoxic, tasteless, microcosmic is the spherical reticulated structure that the Si-O polar covalent bond is formed, its surface be full of a large amount of unsaturated residual strong and different be good for the state that closes-OH.Therefore have big specific surface and specific surface energy, and show as high reactive behavior.It is good to have temperature tolerance, acid-alkali-corrosive-resisting, and poor thermal conductivity, high insulation, low bulk, stable chemical performance, hardness is big, and ultraviolet ray and visible light all are higher performances such as reflectivity.The wall paint of being produced has that acid resistance is strong, and weather resistance is good, the anti-multiple characteristics such as performance, self-cleaning ability, strong adhesion and low-carbon energy-saving that stain.
Claims (2)
1. an acidproof latex paint is characterized in that, it is by raw material: dispersion agent, Ucar 35, skimmer, white titanium pigment, silica powder, emulsion, film coalescence aid, thickening material and an amount of water allotment form;
The weight percent of said raw material is: dispersion agent 0.5～2%, and Ucar 35 1～2.5%, skimmer 0.05～1%, white titanium pigment 8～15%, silica powder 20～44%, emulsion 15～27%, film coalescence aid 0.5～2.5%, thickening material 0.5～2%, all the other are water;
The weight percent sum of all components is 100%.
2. the preparation method of a kind of acidproof latex paint according to claim 1 is characterized in that, it comprises following steps:
A) utilize material-compound tank, under 200 rev/mins rotating speed whipped state, an amount of successively water and dispersion agent, Ucar 35, the skimmer that adds in the said raw material is in harmonious proportion;
B) raise speed afterwards to 400～500 rev/mins, continue to stir about 20 minutes, be uniformly dispersed to auxiliary agent;
C) under 400 rev/mins rotating speed whipped state, slowly an amount of according to quantity successively silica powder, the white titanium pigment that adds in the said raw material;
D) raise speed afterwards to 1000～1200 rev/mins, continue to stir 30～40 minutes; Pump into then and be ground to required fineness in the sand mill; Promptly obtain coating with white slurry;
E) in paint mixing tank, with 400 rev/mins stirring velocity, an amount of successively emulsion, film coalescence aid, the thickening material that adds in the said raw material; And, all need stir 5～10 minutes behind a kind of raw material of every adding, continue at last to stir 10～30 minutes; Promptly obtain coating and use base-material;
F) in the paint mixing tank of base-material is housed, with 400 rev/mins stirring velocity, slowly add ground white slurry, continue to stir about 15 minutes uniform states extremely fully;
G) tinning is finished product after filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010102056450A CN101845276B (en) | 2010-06-22 | 2010-06-22 | Acidproof latex paint and preparation method thereof |
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| CN2010102056450A CN101845276B (en) | 2010-06-22 | 2010-06-22 | Acidproof latex paint and preparation method thereof |
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| CN101845276B true CN101845276B (en) | 2012-02-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102660178B (en) * | 2012-05-08 | 2014-02-19 | 新疆红山涂料有限公司 | Production method of odor-free total effect emulsion paint |
| CN103613321B (en) * | 2013-11-18 | 2015-06-24 | 贵州联和新型建材有限公司 | Konilite wet ball milling-paint integrated preparation method |
| CN104152002A (en) * | 2014-08-28 | 2014-11-19 | 广西梧州龙鱼漆业有限公司 | Epoxy blackboard paint |
| CN109233468A (en) * | 2017-06-01 | 2019-01-18 | 巫玉淘 | Coating and preparation method thereof |
| CN108250805A (en) * | 2017-12-05 | 2018-07-06 | 安徽工程大学 | A kind of microelectronic device surface acid-proof coating formula and preparation method thereof |
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| CN1900187A (en) * | 2006-07-06 | 2007-01-24 | 北京中化科城技术研究所 | Environment friendly emulsion paint |
| CN101412892B (en) * | 2007-10-19 | 2011-06-08 | 芜湖力特尔涂料制造有限公司 | Composite self-cleaning exterior wall nano-emulsion paint and preparation thereof |
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