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The Classification And Introduction Of Green Offset Printing Ink
Jun 30, 2017

     Offset printing is the most important printing method at present, which is characterized by the need to use fountain solution in the process of printing, so offsctdruckereien ink requirements have a very good water resistance. Offset ink In the past is mainly linseed oil and other vegetable oils, now most have been better performance of various resins replaced, the common resin has rosin-modified phenolic resin, alkyd resins and polyurethane alkyd resin.
     According to the printing machinery classification can be divided into sheet-fed offset printing ink and rotary offset printing ink, different print machines and different substrate on the choice of offset printing inks. 1. Web Offset printing press with ink web offset printing ink is usually referred to as offset printing inks, this ink base duty for the following two types: A. Infiltration of dry type: Because in the use of newsprint, offset paper web offset printing presses high speed, ink drying speed, so commonly used in the leakage of ink for the infiltration of dry type. b. Hot-Solid ink: In the modern trade web offset press, the second half of the printing device to increase the drying device, in order to adapt to the production of the premise of the use of hot-solid inks, this ink in the drying device heating, ink solvent evaporation so that the ink film can be quickly dry, hot-solid inks in the drying (such as linseed oil) less content. And the content of the petroleum agent is more, other components and sheet-fed offset printing ink slightly, then use the hot-solid ink paper than osmotic exudation drying inks used paper quality better. 2. Sheet-fed Offset printing ink Green Offset Printing Ink
    1, Offsctdruckereien brightness offset printing ink is made from synthetic resin, dry vegetable oil high boiling point alkane oil. High-quality pigments, auxiliaries composed of colloidal inks. For monochrome, two-color or multi-color offset printing presses on the coating paper, pictures, such as high-grade printed pieces. The gloss of the ink mainly depends on the bonding material after the dry conjunctiva, ink gloss, ink film leveling good, attached to the substrate surface should be able to form a plane, the incident light to do directional reflection, that has a mirror effect, which requires the link material to stay in the substrate to the maximum surface. 2, Offsctdruckereien resin ink offsctdruckereien resin inks using synthetic resin, dry vegetable oil, mineral oil, high-quality pigments and fillers, through the provision of grinding. Offsctdruckereien resin ink is characterized by a small amount of vegetable oil, solvent ratio is high, usually high boiling point alkane, it plays a role in the ink viscosity. When the ink transfer to the paper, this sector solvent quickly in the capillary effect of the infiltration of paper fiber, speed up the ink drying speed, reduce the printing rubbing dirty fault. 3, UV offset printing ink in the use of UV ink to print, often known as UV offset printing. UV Offset Printing ink is the use of ultraviolet (UV) radiation energy, so that the liquid chemical substances through the rapid crosslinking to solidify into ink film a class of inks. It requires a UV-curable unit in the printing press. Green Offset Printing Ink
    UV Offset printing ink as a kind of offsctdruckereien, it must first be able to offsctdruckereien the way to print, so UV offset printing ink should have a common offsctdruckereien ink has some characteristics to meet the requirements of printability. 4, Offsctdruckereien synthetic paper inks in the absence of UV offset press, the use of the usual four-color printing presses printed paper jam, synthetic papers and other inks in the substrate surface is not easy drying of special paper, you need to use Offsctdruckereien synthetic paper inks, this ink is used to print a variety of synthetic paper (Gold card paper, silver cardboard, aluminum foil paper, special paper) and other non absorbent printing substrate, the ink in the print has a fast drying, adhesion of good characteristics. Because this ink drying speed is very fast, so in the printing process, should be in time to clean up the cots on the ink, to prevent ink crusts dry.Green Offset Printing Ink

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