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    Home > Coatings News > Paints and Coatings Market > Coating knowledge: metal ink concept

    Coating knowledge: metal ink concept

    • Last Update: 2020-04-03
    • Source: Internet
    • Author: User
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    Core tip: metallic printing ink refers to the ink prepared with metallic pigments, which has metallic luster

    Generally speaking, gold ink and silver ink are such inks

    The pigment of metal ink is mainly gold powder and silver powder (copper powder and aluminum powder), and other pigments can also be added to produce ink with special color, which is called colored metal ink

    Copper powder reacts with sulfur in the binder when it is acidic, which is easy to blacken; after printing, it will lose luster slowly with sulfur in the atmosphere

    Therefore, gold ink can also use aluminum powder and dye as pigment, but the luster is slightly poor

    The binder of metal ink is generally used Paint knowledge | precautions for wall paint color selection Recommended introduction: when painting the wall, the owner sometimes has difficulty in choosing what color of the wall paint to paint

    In fact, there is no ugly color in the wall paint, only the disharmonious color matching

    The use of wall color contains the knowledge of health

    Too strong color will stimulate people's perception, make people have a sense of fidgety, affect people's mental health

    Grasp the basic principles of wall color and paint a colorful space

    1、 Wall paint color selection notice 1

    Light color is generally used for the top surface

    Light colors make people feel light, dark colors make people feel heavy

    Usually, the treatment of rooms is from top to bottom, from shallow to deep

    For example, the ceiling and walls of rooms are white and Paint Home News: me tallic printing ink refers to the ink prepared with metallic pigments, which has metallic luster

    Generally speaking, gold ink and silver ink are such inks

    The pigment of metal ink is mainly gold powder and silver powder (copper powder and aluminum powder), and other pigments can also be added to produce ink with special color, which is called colored metal ink

    Copper powder reacts with sulfur in the binder when it is acidic, which is easy to blacken; after printing, it will lose luster slowly with sulfur in the atmosphere

    Therefore, gold ink can also use aluminum powder and dye as pigment, but the luster is slightly poor

    The binder of metal ink generally adopts resin with very low acid value and amine value, so as not to affect the luster of ink, such as ethyl cellulose, nitrocellulose, polyvinyl acetate, ketone resin, and polyphthalamide resin, and some wax substances are added to improve the suspension state of pigment

    Metal ink can also be made of solvent, but it is often used now because of its small viscosity

    The polarity of the solvent does not need to be too large, otherwise the pigment will be easy to precipitate due to excessive wetting

    Xylene, isopropanol solvent can be used as the solvent of metal ink

    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,
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