Low odor UV inks reality packaging printing, UV ink itself, although without VOC, and one hundred percent participation in the curing reaction, but it does not guarantee that it is absolutely odorless. First, the source of the odor itself UV ink raw materials (such as diluent monomers, low molecular weight initiator, resin binders and other raw materials), under certain conditions, slow exudes uncomfortable smell; the second is UV-curable inks After initiation unpleasant gas aldehydes, sulfur, etc., resin and other raw materials produced by pyrolysis. Current stage, most of the UV ink printing ink odor comes mainly from the material before and after UV curing release itself. To achieve low odor UV ink curing around the goal of environmental protection, it is recommended to choose the right materials, mainly referring to the resin, acrylic monomer, initiator, fillers or pigments. First, consider the use of UV ink to the polyester, polyurethane, epoxy resin and acrylic monomers, some of which are a "solvent" of the production process, i.e. in benzene, n-type or organic solvent such as an ether reaction medium , under conditions of low temperature polymerization, this process may produce a residual solvent odor problem, therefore, should try to choose a number of solvent extraction of materials to reduce the presence of the odor. Secondly, one UV inks tend to more initiator was added to different ultraviolet spectrum by absorbing the photons gain energy, and thus lead to the system's functional polymerization, complete curing. Initiator available on the market up to hundreds of species, but the initiation efficiency, price, color depth and scope vary widely. At present, for example UV inks, most using 907 initiator, chemical name 2-methyl-1- (4-methylthiophenyl) -2-morpholino-1-propanone, which can be cleaved in the presence of curing the "methylthio" problem unpleasant. Further, EDAB, BP benzophenone initiator will also produce odor in curing. Therefore, in order to alleviate the odor problem professional packaging printing, it is recommended not to use this type of initiator, try to choose a high-grade low-odor type 369, EHA, TPO and other initiators. Whiteness of the paper is the basis of the printed paper and colorful. The paper can be close to the ideal reflection of all the shade, and ash, black, cyan, red or other color cast of the paper will absorb part of the incident shade, resulting blot hue, lightness and saturation are affected, the final performance for color differences. This is equivalent to adding the other ink ink which part of the outstanding ink impurities, thus giving a dark, muddy and cast feeling. The main component of the paper as cellulose, rubber, filler and the like. The portion of the ink flow is binder, ink binder on the surface of a pigment by drying and adhering the paper conjunctiva. The main component of paper and ink are non-symmetrical molecules made packaging printing, when they are close to each other, relying on secondary binding force of adhesion molecules on the paper is completed. Now the packaging printing companies mostly use packaging materials coated white paper, pulp Noodle white paper, ordinary cardboard, wood pulp Liner board, kraft paper and white cardboard. Because of differences in paper mill production process, resulting in significant differences in the surface of the paper whiteness and smoothness. Thus, the printer connection of a low-molecular compound having high fluidity is pressed into the larger portion of the paper pores in embossed pvc packaging printing moment, ink, binder begins to separate from the ink. When the high pigment content of the ink, the ink film can form a large number of tiny capillaries, which a large number of tiny capillaries retain the ability to connect the material than the fiber gap binder paper surface absorption capacity is much greater. Zhibaozhuanghe printing, Dasan packaging printing, printing plant in Dongguan, Dongguan Chang Ping from beyond the packing plant products provided. Dongguan Changping beyond packaging products plant (www.dgcyp.com) strong, credible, in Dongguan, Guangdong paper printing industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead beyond the printing and you hand into the brilliant, for a better future!