CN109554046B - Environment-friendly aqueous heat-reflecting colorful coating and preparation method thereof - Google Patents
Environment-friendly aqueous heat-reflecting colorful coating and preparation method thereof Download PDFInfo
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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Abstract
The invention discloses an environment-friendly aqueous heat-reflecting multicolor paint and a preparation method thereof, belonging to the technical field of multicolor paints. The coating formula comprises A, B, C components, wherein the components are as follows in parts by mass: 80-90 parts of water and 10-20 parts of Rockwood S482 protective glue; and B component: 40-60 parts of silicone-acrylic emulsion, 20-30 parts of water, 1-5 parts of film forming additive, 0.1-0.5 part of thickening agent, 0.5-1 part of bactericide, 1-5 parts of propylene glycol, 0.1-0.5 part of defoaming agent, 0.2-0.5 part of wetting dispersant, 10-20 parts of functional filler and 0.05-0.15 part of pH regulator; and C, component C: 20-40 parts of water, 30-50 parts of silicone-acrylic emulsion, 0.2-0.5 part of cellulose, 0.2-0.6 part of multifunctional auxiliary agent, 0.2-0.5 part of wetting dispersant, 0.5-1 part of bactericide, 0.1-0.5 part of defoaming agent, 5-20 parts of pigment and filler, 0.1-0.5 part of anionic wetting agent and 5-15 parts of functional filler; the preparation method comprises the steps of preparing protective glue solution, forming paint emulsion, color particle base paint, color particles and finally forming paint. The invention realizes the coating of the nano functional filler on the pigment filler. The invention has simple process, excellent finished paint performance, low cost and good decoration and heat insulation effects.
Description
Technical Field
The invention belongs to the technical field of colorful coatings, and particularly relates to an environment-friendly aqueous heat-reflecting colorful coating and a preparation method thereof.
Background
Energy conservation, environmental protection and low-carbon economy development are subjects of the 21 st century, wherein the reduction of building energy consumption is a main measure for energy conservation and environmental protection and is an important measure for realizing sustainable development of building industry and social economy. The coating is a material widely used in the building industry, and brings new development opportunities for coating application along with the development of the building industry in recent years. In recent years, the absolute application number of energy-saving and environment-friendly coatings is sharply increased; meanwhile, new energy-saving coating technologies are produced at the same time.
The water-base multi-colour paint is an environment-protecting building paint with artistic ornamental property, and is characterized by that it uses water-base paint as solvent, in which several colour grains are suspended, and after the above-mentioned material is sprayed, it can form multi-colour pattern. The coating has the characteristics of strong decoration and stain resistance, good elasticity, good weather resistance, simple construction process, thin coating, environmental protection, safety and the like, and is rapidly developed in the field of building materials, particularly decorative materials in recent years.
Compared with common paint, the colorful paint has poor reflection effect, strong absorption capacity to ultraviolet rays and electromagnetic waves and is not beneficial to the heat dissipation of the wall body. The heat reflection coating can improve the energy-saving effect of buildings, and meanwhile, the good heat insulation effect is beneficial to improving the thermal environment of the buildings and improving the indoor thermal comfort of the buildings. However, the commercial multicolor paint in the market at present is difficult to realize the unification of the heat insulation function and the decoration effect. By simple addition of heat-reflecting pigments, such as: the titanium dioxide can enhance the reflection effect of the multicolor paint, but can greatly dilute the color concentration, and the good effect can be obtained due to the agglomeration phenomenon of the nano phase by simple addition.
Disclosure of Invention
Aiming at the problems, the invention provides an environment-friendly aqueous heat-reflecting multicolor paint and a preparation method thereof, aiming at solving the problems of poor reflection effect and non-uniformity of heat insulation and decoration of the multicolor paint. The water-based multicolor paint integrating decorative performance, heat-insulating performance and environmental protection performance is prepared.
The environment-friendly water-based heat-reflecting multicolor paint comprises a component A, a component B and a component C, wherein the component A is a protective glue solution and comprises 80-90 parts of water and 10-20 parts of Rockwood S482 multicolor paint protective glue. The component B is emulsion for paint formation, and comprises 40-60 parts of silicone-acrylate emulsion, 20-30 parts of water, 1-5 parts of film forming additive, 0.1-0.5 part of thickening agent, 0.5-1 part of bactericide, 1-5 parts of propylene glycol, 0.1-0.5 part of defoaming agent, 0.2-0.5 part of wetting dispersant, 10-20 parts of functional filler and 0.05-0.15 part of pH regulator; the component C is granulation base paint, which comprises 20 to 40 parts of water, 30 to 50 parts of silicone-acrylate emulsion, 0.2 to 0.5 part of cellulose, 0.2 to 0.6 part of multifunctional auxiliary agent, 0.2 to 0.5 part of wetting dispersant, 0.5 to 1 part of bactericide, 0.1 to 0.5 part of defoaming agent, 5 to 20 parts of pigment and filler, 0.1 to 0.5 part of special colorful anion wetting agent and 5 to 15 parts of functional filler;
the environment-friendly aqueous heat-reflecting multicolor paint is characterized in that the PH value of the paint-forming emulsion is limited to 8-9; the functional filler is a mixture (1: 1: 1) of silicon carbide, infrared powder and zirconia, and the particle size of the functional filler is 15-30 nm; the pigment and the filler are glass hollow microspheres; when the environment-friendly water-based heat-reflecting multicolor paint is used for preparing the granulating base paint, firstly, the nano functional filler and the glass hollow microspheres are added into a disperser for dispersion and then are mixed with water, so that the coating of the nano functional filler on the pigment filler is realized; 0.1-10 parts of color paste is added when the environment-friendly water-based heat-reflecting multicolor paint is used for preparing base paints of various colors; and during granulation, 40-50 parts of the component C and 50-60 parts of base paints of various colors are added.
The environment-friendly water-based heat-reflecting multicolor paint is prepared by the following steps:
the first step is as follows: preparing a protective glue solution A;
the second step is that: firstly, adding the nano-functional filler, water and a wetting dispersant into a disperser to fully disperse the nano-functional filler for 5-10min, adjusting the pH to 8-9 by using a pH regulator, and then sequentially adding the weighed thickener, silicone-acrylic emulsion, film-forming assistant, propylene glycol, defoamer and bactericide and uniformly stirring to obtain finished paint emulsion B.
The third step: firstly, adding a nano functional filler and glass hollow microspheres into a disperser for dispersing for 5-10min, adding water and a wetting dispersant for mixing for 5-10min to coat the pigment and filler with the nano functional filler, and then sequentially adding weighed cellulose, a multifunctional auxiliary agent, a defoaming agent, an anionic dispersant, a silicone-acrylate emulsion, a bactericide and a component A to obtain a granulation base paint C;
the fourth step: adding color paste of each color into the component C, and uniformly stirring to obtain base paint D of each color;
the fifth step: fully mixing 50-60 parts of component D and 40-50 parts of component A, and uniformly granulating by using a 20-30-mesh screen;
a sixth section: mixing 40-50 parts of color particles, 40-50 parts of B, 5-10 parts of A and 5-10 parts of water to obtain the environment-friendly water-based heat-reflecting multicolor paint.
Compared with the prior art, the coating of the nano functional filler on the color filler is realized, so that the nano functional filler is fully dispersed, the nano functional filler added in the coating is a mixture of silicon carbide, infrared powder and zirconium oxide, the reflection effect of the coating on visible light is enhanced, the process is simple, the cost is low, the performance is excellent, and the problems of poor reflection effect and nonuniform heat insulation and decoration of the multi-color coating are solved.
Detailed Description
Example 1
500g of finished paint
(1) 112.5g of water and 12.5g of Rockwood S482 are weighed according to the mass parts and mixed and stirred to obtain the protective colloid solution A
(2) The component B is an emulsion component for forming paint and comprises 125g of silicone-acrylic emulsion, 62.5g of water, 10g of film forming additive, 1g of thickening agent, 2.25g of bactericide, 10g of propylene glycol, 0.5g of defoaming agent, 1g of wetting dispersant, 37.5g of functional filler (12.5 g of silicon carbide, 12.5g of infrared splitting agent and 12.5g of zirconium oxide) and 0.25g of pH regulator. The preparation method comprises the steps of firstly adding the nano-functional filler, water and the wetting dispersant into a disperser, stirring for 5min, regulating the pH of a solution to 8.0 by using a pH regulator, and then sequentially adding the weighed thickener, the silicone-acrylic emulsion, the film-forming assistant, the propylene glycol, the defoamer and the bactericide, and stirring for 5 min.
(3) The component C is a component of colored particle base paint and comprises 30g of water, 50g of silicone-acrylic emulsion, 0.3g of cellulose, 0.2g of multifunctional auxiliary agent, 0.2g of wetting dispersant, 0.5g of bactericide, 0.4g of defoamer, 9g of pigment and filler (3g of silicon carbide, 3g of infrared split and 3g of zirconium oxide), 0.4g of colorful special anion wetting agent, 9g of glass hollow microspheres and 100g of component A; the preparation method comprises the steps of firstly adding the nano functional filler and the glass hollow microspheres into a disperser for dispersing for 5min, then adding water and a wetting dispersant for mixing for 5min, then sequentially adding the weighed cellulose, the multifunctional auxiliary agent, the defoaming agent, the anionic dispersant, the silicone-acrylic emulsion, the bactericide and the component A, and continuously stirring for 5 min. .
(4) 0.2g of iron oxide yellow color paste, 0.1g of phthalocyanine blue color paste and 0.5g of iron oxide black color paste are weighed and added into the component C to obtain the light green base paint.
(5) 100g of the component A and 100g of light green base paint are weighed, stirred and mixed, and light green colored particles are prepared by using a 20-mesh screen.
(6) Mixing and stirring the green colored particles, the paint forming emulsion, the rest protective glue and 25g of water to obtain the light green environment-friendly water-based heat-reflecting multicolor paint. The reflection coefficient was 0.85.
Example 2
500g of finished paint
(1) Weighing 100 parts by weight of water and 15 parts by weight of Rockwood S482, mixing and stirring to obtain the protective peptization
(2) The component B is emulsion for forming paint, and comprises 112.5g of silicone-acrylic emulsion, 67.5g of water, 4.5g of film-forming additive, 0.45g of thickening agent, 2.25g of bactericide, 11.25g of propylene glycol, 0.45g of defoaming agent, 1.125g of wetting dispersant, 22.5g of energy filler and 0.225g of pH regulator; the preparation method comprises the steps of firstly adding the nano-functional filler, water and the wetting dispersant into a disperser, stirring for 8min, regulating the pH of a solution to 8.5 by using a pH regulator, and then sequentially adding the weighed thickener, the silicone-acrylic emulsion, the film-forming assistant, the propylene glycol, the defoamer and the bactericide, and stirring for 6 min.
(3) The component C is a component of colored particle base paint and comprises 45g of water, 60g of silicone-acrylic emulsion, 0.5g of cellulose, 0.5g of multifunctional auxiliary agent, 0.7g of wetting dispersant, 0.5g of bactericide, 0.4g of defoamer, 12g of pigment and filler (5g of silicon carbide, 5g of infrared split and 5g of zirconium oxide), 0.4g of colorful special anion wetting agent, 15g of glass hollow microspheres and 90g of component A; the preparation method comprises the steps of firstly adding the nano functional filler and the glass hollow microspheres into a disperser for dispersing for 8min, then adding water and a wetting dispersant for mixing for 8min, then sequentially adding the weighed cellulose, the multifunctional auxiliary agent, the defoaming agent, the anionic dispersant, the silicone-acrylic emulsion, the bactericide and the component A, and continuously stirring for 5 min.
(4) And weighing 10g of ferric oxide black color paste, and adding the ferric oxide black color paste into the component C to obtain the black base paint.
(5) 90 parts of the component A and 135g of black base paint are weighed, stirred and mixed, and black colored particles are prepared by using a 20-mesh screen.
(6) Mixing and stirring the black colored particles, the paint forming emulsion, the rest protective glue and 25g of water to obtain the black environment-friendly water-based heat-reflecting multicolor paint. The reflection coefficient was 0.87.
Claims (4)
1. An environment-friendly water-based heat-reflecting multicolor paint is characterized in that: the raw material formula comprises a component A, a component B and a component C, wherein,
the component A is a protective glue solution, which comprises 80-90 parts of water and 10-20 parts of Rockwood S482 multicolor paint protective glue;
the component B is paint-forming emulsion comprising silicone-acrylate emulsion 40-60 weight portions, water 20-30 weight portions, filming assistant 1-5 weight portions, thickener 0.1-0.5 weight portion, bactericide 0.5-1 weight portion, propylene glycol 1-5 weight portions, defoaming agent 0.1-0.5 weight portion, wetting dispersant 0.2-0.5 weight portion, functional stuffing 10-20 weight portions and pH regulator 0.05-0.15 weight portion; the pH value of the paint forming emulsion is 8-9;
the component C is granulation base paint, which comprises 20 to 40 parts of water, 30 to 50 parts of silicone-acrylate emulsion, 0.2 to 0.5 part of cellulose, 0.2 to 0.6 part of multifunctional auxiliary agent, 0.2 to 0.5 part of wetting dispersant, 0.5 to 1 part of bactericide, 0.1 to 0.5 part of defoaming agent, 5 to 20 parts of pigment and filler, 0.1 to 0.5 part of special colorful anion wetting agent and 5 to 15 parts of functional filler; the pigment and filler are glass hollow microspheres;
when preparing the granulation base paint, adding the functional filler and the glass hollow microspheres into a disperser for dispersing for 5-10min, adding water and a wetting dispersant for mixing for 5-10min to coat the pigment filler with the functional filler, and then sequentially adding the weighed cellulose, the multifunctional auxiliary agent, the defoamer, the colorful special anion wetting agent, the silicone-acrylic emulsion, the bactericide and the component A;
the functional filler is formed by mixing silicon carbide, infrared powder and zirconium oxide;
the preparation method of the environment-friendly water-based heat-reflecting multicolor paint comprises the following steps:
(1) preparing a protective glue solution according to a formula proportion;
(2) preparing paint emulsion according to the formula proportion;
(3) preparing a granulation base paint according to a formula ratio;
(4) mixing the color paste and the granulating base paint to prepare a colored base paint;
(5) mixing part of the protective glue solution with the colored base paint to prepare colored particles;
(6) and mixing the colored particles with the paint forming emulsion, the residual protective adhesive emulsion and water to obtain the finished paint.
2. The environmentally friendly aqueous heat-reflective multicolor paint of claim 1, wherein: the particle sizes of the silicon carbide, the infrared powder and the zirconia in the functional filler are all 15-30 nm.
3. The environmentally friendly aqueous heat-reflective multicolor paint of claim 1, wherein: when the finished paint emulsion is prepared, the functional filler, water and the wetting dispersant are added firstly, and other raw materials are added in sequence after the functional filler, the water and the wetting dispersant are fully dispersed.
4. The environmentally friendly aqueous heat-reflective multicolor paint of claim 1, wherein: in the step (6), the adding amount of water is 5-10 parts.
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| CN105969016A (en) * | 2016-05-19 | 2016-09-28 | 厦门富思特新材料科技有限公司 | Reflective insulation colorful coating and preparation method thereof |
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| US20030011095A1 (en) * | 2001-07-13 | 2003-01-16 | Liu Lausan Chung-Hsin | Method for fabricating imitative stone furniture |
| JP2004359915A (en) * | 2003-06-09 | 2004-12-24 | Sakura Color Prod Corp | Method for manufacturing scaly gel particle |
| CN104151975B (en) * | 2014-08-08 | 2016-11-16 | 鳄鱼制漆(上海)有限公司 | A kind of aqueous reflective insulation stone-like coating and preparation method thereof |
| CN104263177A (en) * | 2014-10-24 | 2015-01-07 | 杭州明敏涂料有限公司 | Preparation method for novel multicolor paint with aqueous reflection and insulation |
| CN104449171A (en) * | 2014-11-21 | 2015-03-25 | 苏州大乘环保建材有限公司 | Reflective heat-resistant multicolor paint |
| CN106467689A (en) * | 2015-08-16 | 2017-03-01 | 上海大通涂料化工有限公司 | Stone rock color coating material system and preparation method thereof is imitated in a kind of aqueouss reflective insulation for building |
| CN107189605B (en) * | 2017-05-09 | 2020-08-04 | 河北晨阳工贸集团有限公司 | Reflective heat-insulating water-in-water multicolor paint and preparation method thereof |
| CN108084830A (en) * | 2017-12-25 | 2018-05-29 | 安徽科创美涂料科技股份有限公司 | The preparation method of energy conservation and environmental protection parian multi-color containing sand |
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| CN105969016A (en) * | 2016-05-19 | 2016-09-28 | 厦门富思特新材料科技有限公司 | Reflective insulation colorful coating and preparation method thereof |
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| "多功能水性纳米复合建筑隔热涂料的制备";李小兵等;《化工新型材料》;20150115;第43卷(第1期);第55-57页 * |
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