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塑胶漆色浆采用相减法混色

文章出处:东莞市长鸿电子科技有限公司  编辑:[!--keyword--]  发表时间:2017-04-28 16:08:22

  涂料、染料、彩色印刷、彩色摄影等是一种减法混色,它得到的结果和色光加法混合的是不一样的,如黄光和蓝光按一定比例投射到屏幕上,可以得到白色,而混合黄油漆和蓝油漆得到的是绿色,永远不会得到白色,这是由于颜料吸收了一定波长的光线后所剩余光线的色调。如青色颜料—吸收了入射白光中的红光—反射出绿光、蓝光产生青色,黄色颜料—吸收了入射白光中的蓝光—反射出红光、绿光产生黄色。以绿色涂料为例,是由透明的展色剂——漆料和黄、蓝两种颜料颗粒组成的。当白光照射在其上时黄颜料颗粒只反射黄光部份及其附近的绿光,而将其余光吸收(减掉)。蓝颜料颗粒只反射蓝光部份及附近的绿光,而将其余光吸收。
  白光经黄、蓝颗粒双重减色的最后结果是呈绿色。那么颜色相减混合怎样获得最多的颜色呢?如上所述既然色相加混合用红、绿、蓝三色可以获得各种颜色,那么在相减混合中若能控制住红、绿、蓝三色也能配制出各种颜色。为达此目的,应用了相减混合的原色,它们分别为红、绿、蓝的补色(任何一个颜色的光和其补色的光相加为白色),即青、品红和黄三色。白光减蓝呈黄色是控制蓝光用的。白光减绿呈红紫色,称为品红色,是控制绿色的。
  所以颜色的配制只能用红、黄、蓝三色来配制,正因为这个缘故,更增加了涂料配色的复杂性,使得人工配色的调制方法很难总结出一套章法,而只能按通常的习惯操作提出几条带共性的原则。
  Paints, dyes, color printing, color photography is a subtractive color mixing, it gets results and color additive mixing is not the same, such as Huang Guang and blue light according to a certain proportion is projected onto the screen, can be white, yellow and blue paint mixing paint is green, never getting white, this is because the pigment absorbs certain wavelengths of light after the remaining light shades. Such as cyan pigment, absorbing incident Bai Guangzhong's red light - reflecting green, blue produce cyan, yellow pigment, absorbing incident Bai Guangzhong blue, red, green, yellow produces reflected. Green coating for example, is made of transparent colour developing agent -- paint and yellow, blue two kinds of pigment particles. When the white light irradiation on yellow pigment particles reflect only the yellow light part and near the green, and the remaining light absorption ( lose ). Blue pigment particles only reflect blue light part and near the green, and the remaining light absorption.
  Light yellow, blue granules by dual color is the final result of green. So how to get the most subtractive color mixing colors? As mentioned above, since the color additive mixed with red, green, and blue color can be a variety of colors, then in a subtractive mixture of if can hold the red, green, and blue can also produce a variety of colors. For this purpose, application of subtraction mixed colors, they were red, green, and blue color ( any one color light and its complementary color light phase is white ), i.e. cyan, magenta and yellow color. White minus blue yellow is the control of blue light by. Minus green light reddish purple, known as red, is green
  So the colors red, yellow, preparation can only use blue to preparation, because of this reason, increased the complexity of the paint color matching, color modulation method is very difficult to summarize a set of rules, and only by the usual habit of operation put forward with general principle.

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