What are the components of the printing ink?
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1. Composition in printing ink
Printing inks are mixed with pigments and additives that accumulate in the orange material.
to make. Pigment is a solid, colored material that is the main component of the ink. In ink
The pigments used can be divided into two broad categories based on their source and chemical composition.
a material and organic pigments.
Inorganic materials are rather colored metal oxides, or salvage, resignation, and other insoluble
Metal salt, extremely *1 powder. It is divided into natural and artificial two. Natural and inorganic materials
Also known as a mineral pigment, it is a rock mined from the mine and ground into powder over the panning
Made. In the past, Cao was widely used to make ink, but due to its own color, it was light.
The disadvantages of coarse grain and strong frictional contact are caused by the vigorous development of the modern chemical industry.
With a fan garden narrowing. Artificial inorganic pigments have bright colors and heights
Lightfastness, but used to make the ink a cover, is not suitable for multi-color printing. :
Organic materials are also natural and artificial. Natural organic pigments are derived from animals.
In plants, artificial organic materials are made by organic synthesis. This kind of material
Excellent inorganic pigments in terms of variety of consumption and brightness.
The speed of orange material varies depending on the purpose of use. According to its nature can be divided into oxygen
Polymerized dried orange material - refined from dry vegetable oils or synthetic resins.
Such offset printing, lithographic printing, Chinese printing, and other printing are used to manufacture inks.
Additives include Qi fillings, decontamination agents, desiccants and pigments.
1) Filler-filler for inks with reduced production costs and N-ink
The dual role of quality. For example, aluminum hydroxide, sulfuric acid group, aluminum group white, carbonic acid 05 and carbonic acid
Magnesium and other white substances, added to the ink in an appropriate amount, can improve certain properties of the ink, and
Does not affect the hue, to reduce the cost of production.
2) Retouching Agents - A small amount of additives that add some of the properties of high-ink inks are called
Elimination agent. After use, iE printing can be performed smoothly. For example, vaseline, soap, and kang
Bang, and pine acid and so on, can be 9 appropriate brake ink adhesive Pan, fluidity, seepage chain
Sex and exhibition brushing. Antioxidants such as antioxidants D and hydroquinone prevent ink extraction
The rubber in the hide is hardened. Most of the inks are made of only three colors of orange, I and filler.
The sticks are made together, but some of them can't help but add a small amount of lake decorating agents to make inks.
The printing performance, such as adding the most suitable Vaseline when manufacturing blue ink.
3) Desiccant - Oxidation-dried inks with very small amounts of certain metal salts
The class can greatly increase its drying speed and has the effect of drying. These metal salts are on the edge
Proud to dry agent. The main desiccant is Drilling I Manganese l Dressing Fatty Acid Soap, Fatty Acid Soap, Cai
Acid salts, borate salts, etc. Separately added to the ink, or added in an appropriate proportion
In addition, some ink AN does not need to be added at all.
4) Pigmentant - A agent added to the ink as the ink hue. Ruoqun
The color of black ink can be adjusted by increasing the blackness of black ink and other pigments such as blue light and blue light.