Coating technology: introduction of several basic methods of coating color matching

Core tip: before we learn the color matching method, we should first understand some common sense of color In nature, the color of objects is ever-changing The reason why people can see the color of objects is that the light of the illuminant shines on the objects, the light radiates on the objects, and the radiation energy of the light acts on the eyes The color of the non luminous object is only presented when it is radiated by the light The color of the object is determined by the reflection and absorption of the light on the object 　 The reason why an object appears green in sunlight is that it mainly reflects the wavelength of the green range in white light, while the spectrum Shenyang steel structure fireproof coating construction expert punde Building Fire Engineering Co., Ltd Recommended introduction: since its establishment, Shenyang punde Construction Fire Engineering Co., Ltd has cultivated a group of professional construction teams with excellent equipment, rich experience and serious responsibility with advanced and scientific management methods and strict engineering quality assurance and after-sales service system It has undertaken a number of fire system installation projects, which has been praised by customers Every idea and special requirement of you will be fully considered by us and fully realized in the construction technology, which will become the cornerstone of our successful long-term development We are looking forward to your invitation, to provide you with quality services and high-quality technical support! All construction coatings have passed ISO9001 Paint Home News: before we learn how to color paint, we should first understand some common sense of color In nature, the color of objects is ever-changing The reason why people can see the color of objects is that the light of the illuminant shines on the objects, the light radiates on the objects, and the radiation energy of the light acts on the eyes The color of the non luminous object is only presented when it is radiated by the light The color of the object is determined by the reflection and absorption of the light on the object 　 The reason why an object appears green in sunlight is that the object mainly reflects the wavelength of the green range in white light, while the other parts of the spectrum are absorbed by it If you look at the object under the sodium light, you can't see that it is green, because there is no green component in the sodium light that can be reflected by it Here you can see that the visible color of the object follows the light spectrum The ingredients change If an object completely reflects the light, then it looks white to us If it completely absorbs the light cast on it, then it looks black Color is divided into achromatic and colored Achromatic refers to black, white and gray with different shades The achromatic reflectivity on the white black series represents the brightness of the object The higher the reflectivity is, the closer it is to white, and the lower it is, the closer it is to black Color series refers to all kinds of colors except white and black series Different wavelengths of the spectrum are visually represented by hues of various colors, such as red, orange, yellow, green, green, purple, etc To say a certain color clearly, we must consider three basic attributes of color, that is, hue, saturation and lightness, which constitute a unified overall effect in vision Hue refers to the dominant wavelength in the reflected light of an object Different wavelengths produce different color feelings Hue is the basic feature that determines the nature of color Color saturation refers to the brightness of a color Hue, lightness and saturation are the three basic attributes of color, while non color has only the difference of lightness, without hue and saturation The mixed color matching of the coating follows a principle of subtraction The three primary colors are yellow, green and purple, and their complementary colors are blue, red and green The so-called complementary color is that two kinds of color light are mixed to get white color light according to a certain proportion The complementary color of red is cyan, the complementary color of yellow is blue, and the complementary color of green is purple The results of subtractive mixing are summarized as follows: Yellow = white blue purple = white green cyan = white red yellow + Purple = white blue green = Red Yellow + cyan = white blue red = green purple + cyan = white green red = Blue Yellow + Purple + cyan = white blue green red = black Add the relationship in turn, after mixing the color, its lightness is reduced 　 Paint color mixing technology mainly includes solid color paint color mixing, transparent paint color mixing, etc generally, before the color mixing formula is drawn up, it is necessary to analyze according to the color template or the color of a real object First, understand the color range, which is the main color, which is the secondary color, the relationship between the color and the proportion, and then preliminarily draw up the color matching according to experience Square, and then through small sample debugging, when color mixing, first add the main color, and then take the color with strong coloring power as the secondary, slowly and intermittently add and continuously mix, to observe the color change at any time, sample and wipe, brush, spray or stick on the clean template, after the color is stable, compare with the original template, in the whole color mixing process, we must master the principle of "from light to deep" It can be seen from the principle of subtraction that if the sample is compared with the standard plate, the method of subtraction or cyanation can be used for hyper red, the method of subtraction or cyanation can be used for hyper green, and the method of subtraction or yellow can be used for hyper blue, and vice versa, because yellow, green, purple and blue, red and green complement each other, but the mixing of pigments will lead to the decrease of brightness, and the mixed colors can be adjusted by black and white Lightness At present, paint manufacturers generally prepare black, white, red, green, blue, yellow, green, purple and other color pastes for color matching When color matching of solid paint is carried out, light color pastes are usually added in white base paint with a concentration of less than 5%, while dark color pastes are used to reinforce quantitative color pastes The color change of transparent color is also affected by the thickness of the coating and the substrate In the actual color matching, it should be compared on the specified thickness and the substrate Understand the basic knowledge of color matching of these coatings, learn and practice diligently in the work, and you will soon master this technology Home of coatings is specialized in coatings, diatom mud, paint coating, coating technology, fire retardant coating news and coating, diatom mud, paint coating, coating technology, fire retardant coating decoration knowledge and decoration renderings,