Zlobina Dina
Instructions "How to make colored sand"
How make colored sand
We need
- light-colored sand;
- dyes: colored crayons or gouache;
Small containers;
A stick or spoon for mixing sand;
Sand drying paper (newspapers, paper towels, etc.).
Let's get started:
1. We take sand and sift it through a sieve. We remove small stones and other debris.
2. We fill with this sand prepared containers. The best thing sand paint in small portions, then it will color evenly and dry out much faster.
There are many dyes for dyeing sand. (colored crayons, food colors, paints, etc.)... I use crayons and gouache.
Colored crayons
Three crayons on a grater and add to a small amount of sand. Mix thoroughly. Then add a small amount of water to the sand just got wet... Stir the mixture well again, ensuring that the sand is evenly colored. Then we spread sand on paper to dry.
For staining with gouache, first wet sand and then add paint to it. After that, mix the mixture thoroughly, evenly distributing the coloring pigment in sand mass... When mixing ingredients in a jar or bowl, use a stick or spoon. After mixing sand with paints, pour out the painted sand on sheets of paper in a thin layer and dry for 24 hours.
Now colored sand ready for further use in your creativity.
Colored sand can be made from different materials: sand, salt, semolina or crayons. Most often, colored sand is used for painting and decoration. But in this case you will need it in large quantities, so we suggest you paint the most common river sand. This simple recipe will help diversify children's creative activities. But first, the sand will need to be prepared.
Now the colored sand is ready. It can be used for kids crafts or decor. Store sand in closed containers after exercise.
Colored sand is gaining more and more popularity these days. The scope of its application is wide enough. It can be adapted as a material for children's creativity, a vase with this kind of sand can be a great addition to your interior. In this material, you will learn how to make colored sand with your own hands.
Colored sand can be a real decoration at your wedding, one of the most important events in the life of every person. In general, the tradition of holding a sand ceremony at a wedding came to us from the Hawaiian Islands, on the shores of which you can find gold, red, white, green and even black sand.
The sand ceremony is the unification of two loving hearts into a single whole - into a family. The essence of the ritual is that the newlyweds, the bride and groom, pour sand painted in different colors from two different vessels into one large transparent container.
It is very problematic to find such sand in a regular store. We offer the simplest and available options... Sand can be made from semolina or salt, but since the two products are different in consistency, the shades are completely different.
You will need two components - semolina and crayons. Instead of chalk, you can use crayon leads.
The semolina will turn out to be colored, but not very bright shades. For a brighter color, use oil-based pastel crayons.
For creativity you will need:
This method is suitable if you need to quickly make colored sand from semolina, since in this option we will use products that quickly evaporate.
It is not very convenient to paint semolina every time, so you can prepare a collection of colored sand in reserve and store it in transparent containers.
If you don't have semolina, then it is quite possible to replace it with table salt, which can be found in every home. Due to its white color, when dyed, it acquires more saturated and bright colours... We need salt, gouache and water.
During the drying process, the salt is compressed. To transform it into a free-flowing state, you need to crumble it with your hands or grind it through a fine sieve.
Colored salt can be made with pastel crayons. We need a minimal set of items: salt and crayons. Rub the crayons to a powdery state and mix with salt. The method is exactly the same as with colored semolina, but the salt will turn out to be many times richer.
Hello dear readers. Parents should pay great attention to the creative development of the baby. In this process, paints, albums, pencils, plasticine come to the rescue, colored paper and much more. And how interesting it is to create with colored sand. But for someone the acquisition of this material financially costly, someone does not want to buy in the store, being careful of the presence of harmful substances that make up its composition. Then the question arises, is it possible to create such a material at home, with your own hands? You can, and in this article we will talk about how to make colored sand for children, consider several cooking options.
This material for creativity will live up to its name if it is made from sand. And if you have such an opportunity, you can get it somewhere, then feel free to choose one of the two options below for creating colored sand. It is important not to forget about the obligatory sifting of the sand before painting it, because this material must be safe for a child to use.
We will need:
We figured out how to paint sand in this way. You can resort to another color option - using a zipper bag.
To create we need:
We need the use of a sieve in order to sift out large particles, in particular shells and all kinds of debris. 
It's easier than ever to create sand from available tools. In the kitchen of every housewife, salt is sure to be found, and the process of preparing multi-colored sand will not be difficult. You can use coarse sea salt too, but finely ground salt will look better.
We will need:
We will need:
For cooking you need to have:
Now you know how to make colored sand with your own hands. As you can see, this process is not difficult and often all the components are stored at home to create this material that contributes to creative development. Create such a sand, you can involve your children in this process. And then get down to creating together.
The invention relates to industry building materials, mainly to methods of dyeing bulk materials, such as quartz sand, stone chips, etc. Technical problem: improving the quality of the painted granular material. The processing of granular material is carried out by moving a cylindrical chamber with a frequency of 300-700 rpm in a circle, the diameter of which is 0.2-0.6 of the inner diameter of the chamber, and the dye is fed into the chamber in the form of a suspension containing 0.1-1.0 wt.% adhesive, 0.3-2.0 wt.% colorant and 2.0-5.0 wt.% water from the material to be painted. 1 tab.
The invention relates to the building materials industry, mainly to methods of painting bulk materials, in particular quartz sand, stone chips, and can be used in the production decorative coatings, concretes and mortars, glass facing tiles and others. There is a known method of coloring granular material, such as sand, by heat treatment at a temperature of 500-900 o C for 5-40 minutes, followed by cooling the sand, mixing it with the painting composition, drying the resulting mixture and burning it (see, for example , ed. of the USSR 1778089, class C 04 V 20/10, 1998). High energy consumption of the process, due to the need to conduct it when high temperatures (up to 900 o C), reduces the effectiveness of this method. There is also a known method for dyeing granular material, in which a dye suspension is activated by treatment in a rotating electromagnetic field with ferromagnetic bodies for 2-3 hours with simultaneous heating to 25-30 o C, and dyeing of granular material is carried out by mixing the resulting activated dye suspension with sand at its wet grinding (see, for example, ed. of the USSR 482078, class C 04 V 20/10, 1974). Activation of the dye suspension allows obtaining a dye characterized by improved dyeing properties with a significant (by 30-40%) reduction in pigment consumption for its production. However, the known method is rather difficult to implement. The closest in technical essence to the proposed one is the method of dyeing granular material by feeding and joint processing of the material and the dyeing composition in a cylindrical chamber (see, for example, ed.St. USSR 1244123, class C 04 V 20/10, 1984). However, being characterized by sufficient simplicity, the known method does not prevent particles of granular material painted with silicate paint from sticking together into lumps, which significantly increases the percentage of rejects of the finished product. The aim of the present invention is to improve the quality of the colored granular material. This goal is achieved by the fact that in the method of dyeing granular material by feeding and joint processing of the material and the dye composition in a cylindrical chamber, the processing is carried out by moving the chamber with the material at a frequency of 300-700 rpm around a circle whose diameter is 0.2-0.6 the inner diameter of the chamber, and the coloring matter is fed into the chamber in the form of a suspension containing 0.3-2.0 wt.% of the coloring matter, 0.1-1.0 wt.% of the adhesive and 2.0-5.0 wt. % of water from the painted material. The method is carried out as follows. A suspension of the dye composition is prepared, for which the adhesive and water in the required amount are first fed into the mixer and mixed for 5-7 minutes. As an adhesive can be used: liquid glass, pl. 1.25-1.3 g / cm 3, polyvinyl acetate emulsion (PVA), acrylic emulsion. The dye is added to the resulting solution and stirring is continued for another 3-5 minutes. The content of the coloring matter in the suspension is selected in the range of 0.3-2.0 wt. %, and the adhesive - 0.1-1.0 wt.% of the painted material. In this case, the suspension should have such an amount of water that its content in the material to be painted is minimal (no more than 2-5 wt. %), which provides the most rational processing of granular material with a coloring suspension without its loss. The finished suspension is pumped into an intermediate tank. Coloration of granular material is carried out in a cylindrical chamber moving at a frequency of 300-700 rpm, along a circle, the diameter of which is 0.2-0.6 of the inner diameter of the chamber, and the center of the circle is displaced relative to the axis of the chamber by 0.2-0.5 the diameter of the chamber. The chamber is continuously fed with granular material and the simultaneously prepared coloring suspension, carrying out their joint processing for 1-4 minutes. The finished product - colored granular material - after drying, if necessary, is packed in a container. The essence of the proposed method for dyeing granular material is as follows. In the process of joint processing of the granular material and the coloring matter in the cylindrical chamber, at the initial stage, the substance is mechanically applied to the surface of the grain under the action of centrifugal forces pressing the material and the coloring matter against each other and against the inner surface of the cylindrical chamber. The use of an adhesive to prepare a dye suspension increases the adhesion of the dye to the grain surface during this co-processing step. Subsequently, due to the movement with a high frequency of the cylindrical chamber and the displacement of the center of movement of the chamber relative to its axis, not only an intense mutual collision of the dye and the granular material occurs, but also their activation and chemical interaction, which provide the most durable adhesion to the surface of the granular material of the dye at a minimum consumption the latter. At the exit from the chamber, the particles of granular material acquire a dense colored shell, the adhesion of particles is prevented by their intensive movement relative to each other when leaving the chamber. Examples of implementation of the method. Example 1. Prepare an aqueous suspension of the dye composition, for which the mixer is first fed with liquid glass pl. 1.25-1.30 g / cm 3 in the amount of 0.1 wt.% And water in the amount of 2.0 wt. % of the granular material and mix them for 5-7 minutes. To the resulting solution, add a coloring matter in an amount of 0.3 wt.% Of the material to be painted and continue stirring for another 3-5 minutes until a uniform, uniformly colored suspension is obtained. The prepared suspension of the dye (2.4 wt.%) And the colored granular material (97.6 wt. %) is fed into a cylindrical chamber moving at a frequency of 700 rpm along a circle, the diameter of which is 0.2 of the inner diameter of the chamber, and joint processing of the granular material and the coloring suspension is carried out for 1-4 minutes. The colored granular material is unloaded from the chamber, if necessary, dried and packed in a container. Example 2. Technology for dyeing granular material - according to example 1. In this case, PVA (polyvinyl acetate emulsion) in an amount of 0.5 wt.% And water in an amount of 2.9 wt. Are taken as an adhesive for preparing a suspension. % of granular material. In received water solution a coloring matter is added in an amount of 1.2 wt.% of the material to be painted, and the joint processing of the granular material (95.4 wt.%) and the coloring suspension (4.6 wt.%) is carried out by moving the cylindrical chamber with a frequency of 500 rpm along circle, the diameter of which is 0.4 of the inner diameter of the chamber. Example 3. Technology - as in example 1, but as an adhesive used acrylic emulsion (1.0 wt.%), And water is added in an amount of 5 wt.%. A dye is added to the prepared aqueous solution of the adhesive in an amount of 2.0 wt%, and the combined processing of the granular material (92.0 wt%) and the aqueous suspension of the dye (8.0 wt%) is carried out in a chamber moving with a frequency 300 rpm in a circle, the diameter of which is 0.6 of the inner diameter of the chamber. Using the proposed technical solution outside the stated conditions of dyeing granular material does not allow achieving the set goal. The test results of the colored granular material obtained by the proposed method are shown in the table. The proposed method for dyeing granular material can significantly improve the quality of dyeing granular material with a minimum consumption of dye. The colored coating formed on the surface of the grain is characterized by continuity and increased abrasion resistance. The method is suitable for dyeing granular materials of any fraction: from fine sand to coarse aggregate, and the introduction of the dye into the dyed composition in the form of an aqueous suspension ensures the most economical consumption of the dye with its extremely uniform distribution on the surface of the processed material.
Claim
A method for dyeing a granular material by feeding and joint processing of a material and a dye composition in a cylindrical chamber, characterized in that the processing is carried out by moving the chamber with the material at a frequency of 300-700 rpm around a circle, the diameter of which is 0.2-0.6 of the inner diameter cameras, and the coloring composition is fed into the camera in the form of a suspension containing 0.3-2.0 wt. % coloring matter, 0.1-1.0 wt. % adhesive and 2.0-5.0 wt. % of water from the painted material.
DRAWINGS
NF4A Reinstatement of patent validity Russian Federation for invention
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