Special camouflage paint and preparation method thereof

Abstract

The invention relates to the technical field of special camouflage coatings, in particular to a special camouflage coating and a preparation method thereof. 30-40 parts of a base material; 5-15 parts of a pigment; 0.8-2 parts of a coalescing agent; 0.5-1 part of a dispersant; according to the special camouflage paint and the preparation method thereof, the pigment adopts the pigment base material anatase type white powder to be matched with pigments in other colors for use, anatase type titanium dioxide is low in hardness, easy to grind and small in fineness, and after the anatase type titanium dioxide is used for the paint, the glossiness is high, the brightness is good, and the attractiveness of the camouflage paint is effectively improved; and the mixture is not easy to damage and fall off.

Description

Technical Field

[0001] The invention relates to the technical field of special camouflage coatings, in particular to a special camouflage coating and a preparation method thereof. Background Art

[0002] As we all know, special camouflage paint is used on the surface of military facilities and equipment to make it impossible for people to recognize the painted objects with camouflaged colors. It can be used to camouflage itself and confuse the enemy under reconnaissance conditions such as visible light, infrared light, ultraviolet light, radar waves, etc. It mainly achieves camouflage through the selection of pigments and their different combinations;

[0003] Existing specialty camouflage paints have poor gloss and low brightness, and the paint film will weaken in moisture and will be washed away if directly exposed to water. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a special camouflage paint and a preparation method thereof.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solution: a special camouflage paint, comprising the following raw materials in parts by weight:

[0008] Filling: 10-20;

[0009] Base material: 30-40;

[0010] Pigment: 5-15;

[0011] Film-forming aid: 0.8-2;

[0012] Dispersant: 0.5-1;

[0013] Deionized water: 10-25.

[0014] Furthermore, a special camouflage coating comprises the following raw materials in parts by weight:

[0015] Filling: 20;

[0016] Base material: 40;

[0017] Pigment: 15;

[0018] Wetting agent: 1.5;

[0019] Dispersant: 0.5;

[0020] Deionized water: 23.

[0021] Preferably, the base material is a water-based acrylic emulsion.

[0022] Preferably, the film-forming aid is methyl isobutyl ketone.

[0023] Preferably, the dispersant is 2,4,7,9-tetramethyl-5-alkyne-4,7-diol.

[0024] The present invention also provides a method for preparing a special camouflage coating, comprising the following steps:

[0025] Step 1, prepare the pigment base;

[0026] Step 2, placing the base material, filler, wetting agent, dispersant and deionized water into a dispersion kettle and stirring, and then adding an appropriate amount of ammonium hydroxide to adjust the pH to 8.0 to obtain a mixture;

[0027] Step 3: Add pigment base and pigment to the mixture to obtain the finished product.

[0028] Preferably, in step 1, the pigment base material is anatase white powder.

[0029] (III) Beneficial effects

[0030] Compared with the prior art, the present invention provides a special camouflage paint and a preparation method thereof, which has the following beneficial effects:

[0031] The special camouflage paint and preparation method thereof adopt anatase titanium dioxide as a pigment base material and are used in combination with other color pigments. The anatase titanium dioxide has a low hardness and is easy to be ground. The titanium dioxide has a small fineness and has a high gloss and good brightness after being used in the paint, which effectively improves the aesthetics of the camouflage paint. In addition, the mixture is not easy to be damaged or fall off. DETAILED DESCRIPTION

[0032] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] A special camouflage paint comprises the following raw materials in parts by weight:

[0034] Filling: 10-20;

[0035] Base material: 30-40;

[0036] Pigment: 5-15;

[0037] Film-forming aid: 0.8-2;

[0038] Dispersant: 0.5-1;

[0039] Deionized water: 10-25.

[0040] Furthermore, a special camouflage coating comprises the following raw materials in parts by weight:

[0041] Filling: 20;

[0042] Base material: 40;

[0043] Pigment: 15;

[0044] Wetting agent: 1.5;

[0045] Dispersant: 0.5;

[0046] Deionized water: 23.

[0047] In this embodiment, the pigment is prepared by mixing anatase titanium dioxide with other color auxiliary materials. Among them, anatase titanium dioxide has a low hardness and is easy to be ground. The fineness of titanium dioxide is small. After being used in the coating, the glossiness is high and the brightness is good, which effectively improves the aesthetics of the camouflage coating. The metatitanic acid obtained by hydrolysis is filtered, washed, bleached, and salted, and then squeezed into the internal combustion rotary kiln by an extrusion pump for calcination. Calcination is a strong endothermic process. It mainly uses flue gas to directly contact the material, and uses high energy to take away the moisture in the slurry, the moisture between the titanium dioxide particles, and the sulfur trioxide with the titanium dioxide particles. The calcination process is mainly divided into three stages, which can be divided into a drying zone of 250 to 800 ° C. The different changes in each part of the crystal transformation can be divided into three areas of 800 to 860 ° C in the drying zone and 860 to 950 ° C in the particle growth zone. In the crystal transformation zone, the growing anatase crystals transform into rutile. The metatitanic acid produced by the sulfuric acid method generally contains anatase microcrystals, and anatase titanium dioxide is obtained after calcination. This anatase crystal is usually stable below 900°C. The metatitanic acid obtained after hydrolysis and washing needs to go through bleaching and other processes to break its aggregation and reduce the particle size. However, due to the particularity of the titanium dioxide particles in the formation process, a large amount of free water and acid are adsorbed on their surface, and some crystal water and bound acid are also contained. These water and acid can be removed by calcination, but direct calcination requires a higher temperature, and the metatitanic acid after dehydration and desulfurization is not easy to control during the crystal growth and stabilization process. The obtained titanium dioxide particles are very hard, and the color is either yellowish gray or dark yellow, or even cement-like gray; if the calcination temperature is not increased, the sulfur in the metatitanic acid cannot be completely removed, and the pH of the obtained material is low, the oil absorption is high, and the color-reducing power is poor, which does not meet the performance requirements of the catalyst. Therefore, the metatitanic acid must be treated before calcination, and a certain amount of salt treatment agent (i.e., particle growth inhibitor and anti-sintering aid, collectively referred to as salt treatment agent) must be added to enable the metatitanic acid to complete the dehydration and desulfurization process at a lower temperature, and the crystal growth and transformation in the high temperature section are relatively stable and complete, and the obtained product particles are uniform, moderate in size (nanometer level), suitable in hardness, and the specific surface area is completely suitable for use as a catalyst carrier.

[0048] In this embodiment, the base material is a water-based acrylic emulsion, the film-forming aid is methyl isobutyl ketone, and the dispersant is 2,4,7.9-tetramethyl-5-acetylene-4,7-diol. The dispersant has good anti-drying ability, ensuring that it is not easy to dry and is not easily damaged by rain or snow to render the coating ineffective.

[0049] The present invention also provides a method for preparing a special camouflage coating, comprising the following steps:

[0050] Step 1, prepare the pigment base;

[0051] Step 2, placing the base material, filler, wetting agent, dispersant and deionized water into a dispersion kettle and stirring, and then adding an appropriate amount of ammonium hydroxide to adjust the pH to 8.0 to obtain a mixture;

[0052] Step 3: Add pigment base and pigment to the mixture to obtain the finished product.

[0053] In the step 1, the pigment base material is anatase white powder.

[0054] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description in conjunction with the specific embodiments listed. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0055] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0056] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special camouflage paint, characterized in that: The composition comprises the following raw materials in parts by weight: Filling: 10-20; Base material: 30-40; Pigment: 5-15; Film-forming aid: 0.8-2; Dispersant: 0.5-1; Deionized water: 10-25.

2. A special camouflage paint according to claim 1, characterized in that: The composition comprises the following raw materials in parts by weight: Filling: 20; Base material: 40; Pigment: 15; Wetting agent: 1.5; Dispersant: 0.5; Deionized water:

23.

3. A special camouflage paint according to claim 2, characterized in that: The base material is water-based acrylic emulsion.

4. A special camouflage paint according to claim 4, characterized in that: The film-forming aid is methyl isobutyl ketone.

5. A special camouflage paint according to claim 4, characterized in that: The dispersant is 2,4,7.9-tetramethyl-5-alkyne-4,7-diol.

6. A method for preparing a special camouflage coating, characterized in that: The steps include: Step 1, prepare the pigment base; Step 2, placing the base material, filler, wetting agent, dispersant and deionized water into a dispersion kettle and stirring, and then adding an appropriate amount of ammonium hydroxide to adjust the pH to 8.0 to obtain a mixture; Step 3: Add pigment base and pigment to the mixture to obtain the finished product.

7. The method for preparing a special camouflage coating according to claim 6, characterized in that: In the step 1, the pigment base material is anatase white powder.