Balloons are widely used in toys, decorations, advertisements and the atmosphere of festivals or events. People can choose balloons of different colors according to the needs or preferences of the event. The color of the balloon is generally achieved by adding colorants of different colors and different proportions of colorants (such as pigments, dyes, color pastes, etc.) to the basic raw materials (such as natural rubber latex, thermoplastic elastomer) during the balloon production process. People's pursuit of balloon color has greatly promoted the development of balloon coloring technology. The balloon must be inflated first during use. The wall thickness of the fully inflated balloon is often about 5-20 microns, or even as low as 3 microns, which places extremely high requirements on the existing balloon coloring technology. Because, if you want to maintain a strong or saturated balloon color, you need a more powerful coloring agent or add a higher amount of coloring agent. Although the colorant used for balloons has good compatibility with the base material, the addition of high-dose colorant on the one hand will increase the production cost of the balloon, on the other hand, the addition of too high colorant will hinder the normal production of the balloon. The main properties of the process and products, especially the tensile properties of balloon materials.
From the color effect of the balloon, it can be divided into transparent, matte, pearlescent and metal balloons. As the latest development in balloon coloring, metal balloons use aluminum pigments as colorants. Aluminum pigment has excellent reflection effect and can give the balloon material a strong metallic texture. By mixing with other pigments, aluminum pigments can be used to make balloons with golden, nickel-plated effects, champagne gold and rose gold effects. The main component of aluminum pigment is micron-sized aluminum flakes, the size of the aluminum flakes is 2-100 microns, and the thickness is 7-200 nanometers.