Heat-insulating heat-preserving coating and preparation method thereof
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A heat insulation and coating technology, applied in the field of coatings, can solve problems such as poor thermal insulation effect, achieve high cost performance, low raw material cost, and good water and alkali resistance
Inactive Publication Date: 2015-04-22
重庆索利特涂料有限公司
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Problems solved by technology
However, the thermal insulation coatings that have appeared at present can only realize the thermal insulation effect by reflecting infrared rays and ultraviolet rays, but are powerless to the high temperature environment that has been generated outdoors. Therefore, the thermal insulation effect is not good.
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experiment example 1
[0061] A formula of thermal insulation coating is shown in Table 2.
[0062] Table 2 The formula of Experimental Example 1
[0063]
[0064]
[0065]
[0066] The preparation method of above-mentioned coating is:
[0067] ① First add water to the production tank, turn on the high-speed disperser equipment, and adjust the dispersion speed to 350r / min. Add raw materials No. 2-8 in sequence, adjust the dispersion speed to 400r / min, and disperse and stir for 5 minutes to enter the next process stage;
[0068] ② Adjust the dispersion speed to 800r / min-1200r / min (adjusted according to the production volume), add raw materials No. 9-14 in turn, disperse and stir for 30 minutes, and test the fineness. After the fineness is ≤ 35μm, enter the next process stage ;
[0069] ③ Adjust the dispersion speed to below 500r / min, add No. 15 raw material, disperse for 5 minutes and enter the next process stage;
[0070] ④ Adjust the dispersion speed to below 300r / min, add raw material...
experiment example 2
[0078] A formula of thermal insulation coating is shown in Table 4.
[0079] Table 4 The formula of Experimental Example 2
[0080]
[0081]
[0082] The preparation method of the above coating is the same as in Experimental Example 1.
[0083] The detection results of this experimental example are shown in Table 5.
[0084] Table 5 Test results of Experimental Example 2
[0085] Fineness
experiment example 3
[0087] A formula of thermal insulation coating is shown in Table 6.
[0088] Table 6 The formula of Experimental Example 3
[0089]
[0090]
[0091] The preparation method of the above coating is the same as in Experimental Example 1.
[0092] The detection results of this experimental example are shown in Table 7.
[0093] Table 7 Test results of Experimental Example 3
[0094] Fineness
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Abstract
The invention provides a heat-insulating heat-preserving coating and a preparation method thereof. The heat-insulating heat-preserving coating comprises the following components in parts by weight: 20-25 parts of water, 20-35 parts of film-forming emulsions, 20-40 parts of powdery fillers, 2-8 parts of reflective pigments, 0.5-1 part of paraffin microcapsules and the balance of auxiliary agents, wherein the film-forming emulsions are pure acrylic emulsions and / or styrene-acrylate emulsions. The preparation method comprises the following steps: mixing water and a part of auxiliary agents, and stirring in a dispersing way; then adding the powdery fillers and the reflective pigments, and stirring in the dispersing way; then adding the paraffin microcapsules, and stirring in a dispersing way; then adding the film-forming emulsions, and stirring in a dispersing way; and then adding the balance of auxiliary agents, and stirring in the dispersing way to obtain a product. The heat-insulating heat-preserving coating provided by the invention can be used for enhancing the heat-preserving effect of the coating on two aspects of heat insulation and energy accumulation and has high solar reflectance, hemispherical emittance and inside and outside temperature difference.
Description
technical field [0001] The invention relates to the field of coatings, in particular to a thermal insulation coating and a preparation method thereof. Background technique [0002] From 1981 to 1990, the average global temperature was 0.48°C higher than that of 100 years ago. The main cause of global warming is that humans have used fossil fuels (such as coal, oil, etc.) in large quantities for nearly a century, and emitted a large amount of CO 2 and other greenhouse gases. Because these greenhouse gases are highly transparent to visible light from solar radiation, and highly absorbent to long-wave radiation reflected by the earth, which is often referred to as the "greenhouse effect", leading to global warming, and outdoor Ultraviolet and infrared rays are getting stronger and stronger. If no protective measures are taken, the harsh living environment outside will seriously affect the indoor environment. [0003] For this reason, people have worked out various thermal i...
Claims
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