Ink Resin On The Performance Impact Of Ink - Ink, Resin - Printing Industry - Green Marble Texture

I. Introduction Ink composition of the liquid part is called binders; solid components

of pigment (pigments or dyes) and various additives. First of all, as the pigment ink resin carrier, the pigment powder mixture of solid particles such as linking pigment was uniformly dispersed in which, relying on its wetting effect, more easily processed in the grinding machine is grinding to a certain fineness ; secondly as a binder resin to pigments are evenly wrapped and eventually fixing the substrate surface, in order to achieve the purpose of display patterns; also relies on its connection to the role of ink was able to Print Machine is transferred, delivered to the substrate film or paper; Finally, in the printed product, the connecting material also plays a protective film role, and presents the necessary gloss, and even protective role of the substrate.

Thus seen as the ink in the ink pigment with a resin carrier core material is ink, its quality is good or bad, will directly affect the performance of ink, because the connection material to a large extent determines the ink stick degrees, sticky, dry, mobility and other properties. To obtain high-quality ink, we must re-use of high-quality ink resin.

Second, the performance of the ink resin

1, ink adhesion fastness Created between ink and substrate adhesion include bond strength (that is, the force between atoms), the force between molecules (hydrogen bonding and Van De Hua Li), the interface electrostatic force and mechanical force. The main source of these forces is the ink resin binders and the interaction of the substrate. Different substrates, the appropriate choice of resin binders have become a critical, in general, for PE, PP and other non-polar substrates, even if the corona Surface Treatment The surface tension of 38 dyne only about the structure should be used for non-polar resins such as chlorinated polypropylene resin binders; while for PET, PA and other polar substrate surface, polyurethane resin can be used binders. Polyurethane Ink System is by adding a small amount of material devoted to PP, PE adhesion promoting agent, or a small amount of chlorinated polypropylene resin and polyurethane resin can often be resolved with a spell in non-polar substrate adhesion problems have been able to do a resin binder common issues, while providing a solution to chlorinated polypropylene resin binders prone to excessive toluene solvent residue problems in the promotion of green Environmental protection Today, this breakthrough is particularly important.

Visible, resin binders in the ink as a dispersion wetting medium also provides the most basic between ink and substrate adhesion fastness and most important, is the most basic indicator of ink.

2, ink color strength Ink pigment is to provide the most basic color material, but as ink display attached to the substrate surface to the consumers of their color, and paint themselves often produce more or less color deviation. Attributed to the ink, the pigment particles do not exist, but scattered among the connection material medium. Microscopic particles of a pigment wetting and dispersing its best state is completely uniform resin binders wrapped in one, and attach to the substrate surface. Color display is the light incident through the resin binder film to be wrapped in reflecting paint to convey to the surface through the eyes of consumers. The transparency of the advantages and disadvantages of resin, color number directly affects the size of the different pigments of color expression. At the same time, pigment wetting and dispersing resin full or not, directly affects the uniformity of resin encapsulated pigment, ink itself will affect the hue.

3, anti-adhesive

Anti-adhesive printing ink is an important indicator properties. Gravure is a high capacity for the ink, tone reproduction is good, fast printing speed of printing, the use of ink over the ink solvent evaporation drying. Ink through the printing plate and then transferred to the printing substrate, the through drying tunnel, when the organic solvent evaporation drying after winding. As we all know, after drying tunnel through the high temperature rolling, the Indian film surface temperature is generally between 40 ~ 60 , and because the existence of winding pressure, if their anti-viscous ink is not good, it will cause serious rolling adhesion quality accidents, to ink customers irreparable economic losses.

by: gaga

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