Effect pigments? Past, present and future (1) - effect pigments, effect pigments technology, optical film - plastic industry

; Pigment particle orientation

; Pigment particle orientation. Abstract: Due to fashion goods, automobile and other consumer goods market trends, drivers, to produce special effects such as changes according to the angle of observation different color or fabric used in decorative paints an increasingly important economically, is widely used in various industrial products and terminal facilities. In decorative purposes, the special effect pigment there are three main advantages: 1 It can produce the optical illusion of depth, when we pearlescent pigments used in automotive paints can be observed when this phenomenon; 2 microseconds, which can produce a basis for angle of brilliant color effects, such as it can be used in automotive paints and decorative coatings; 3 can be buttons, plastic bottles, and many other decorative objects produced effects similar to natural pearls. For the introduction of pearlescent pigments have been many, this article mainly on the effects of pigments and their production processes, the effect pigment particles in the direction and effect pigments for the study of inorganic layers such as the latest methods to provide more information . 1. Introduction Shiny, sparkling energy and angle-based optical effect has been used in various industrial products and a variety of terminal facilities. These results can be achieved using a number of practical purposes, such as security printing, and optical filters, as well as the decorative effect can be achieved, for example can be used for cosmetics packaging, plastic products, and some printing products, industrial coatings, or automotive paint. For example, in the security field, angle-based optical effects not easily be copied copier or photographic equipment, and only when similar products can be used, false is feasible. But this will forge a complex and expensive. For this reason, many countries will be multi-layer pigment pearlescent pigments and optical security for notes. Specially designed optical multi-layer parallel-oriented polymer film and the effect of pigment in the use of media can be part of the visible light reflection. They can be used as decorative materials and functional optical materials. It is used an example of functional material is made greenhouse glass coating. This pigment can be spread and reflected light play a role and, therefore, the growth of plants play a role. Special effect pigments for decorative material has three advantages. The first is to produce the optical illusion of depth. This is the pearlescent pigment particles in the arrangement of a variety of translucent sheet produced. This effect is the interface between the pigment and binder and pigments own reflection occurs at the interface of light that occur when extended out of the area when the outline of a car fender, this effect will be strengthened. In Europe, 30% of the cars used in car paint contain pearlescent pigments, and in the U.S., the ratio up to 40%. Second advantage is the basis for dazzling point of changing colors. Because of its color and its unique aesthetic appeal to the eye, this special effect pigments have been widely used. The third advantage is that pigments can mimic a natural pearl luster, which can be used for buttons, plastic bottles and many other items. Not only through the use of parallel arrangement of mixed materials to achieve special effects pigments, such as directional reflection, multiple reflections, color migration (based on the strong point of the optical effect) and other optical effects, the use of multi-layer film can also be extended to achieve the same effect. These films are basically the thickness of tens to hundreds of microns of continuous, not dyed organic or inorganic polymer materials. The typical structure of these films is the interaction of different refractive index layer of the formation of multi-layer system. On the other hand, precisely because a large number of sheets of particles can be easily arranged in parallel to the direction of effect pigments used only to show notable occasions purpose optical charm. Flaky particles and sometimes not even in the best direction for the powder coating layer arranged to use the environment, the effect pigments can produce a strong gloss. Reflection, multiple reflection. Interference can also occur here, only the disordered arrangement of particles in some cases, the resulting effect will be different.

Effect pigments? Past, present and future (1) - effect pigments, effect pigments technology, optical film - plastic industry

By: ergh

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