The excellent chemical corrosion resistance and high temperature resistance of Pearlescent Pigment provide the possibility of its wide application in coatings, inks, plastics and various fields, they provide a new color system and color quality for these products.
have low heavy metal content and meet relevant safety technical standards, so they can be used in food packaging and children's toys.
Neither acid nor alkali can erode glitter
at normal temperature.
Pearlescent Pigment can not burn, not spontaneous combustion, non-conductive, can withstand 600 ~ A high temperature of 800 ° C. Pearlescent glitter can also be used in radiation curing systems (Electron beam curing, Photocuring)In the reactive coating.
The special surface chemical structure of Pearlescent Pigment makes it have excellent hydrophilicity, so it can be applied to water-based coatings, but it has poor lipophilicity, so when used in organic systems, the problem of poor dispersibility will occur, pearlescent pigments need to be surface treated so that they can also be well applied to organic systems.
of pearlescent powder manufacturers are divided into non-natural and natural. Non-natural pearlescent pigments refer to artificially processed raw materials, also known as artificial glitter, the artificial Pearlescent Pigment is developed from Mica ore and is called Mica core coated metal oxide, which has the characteristics of high strength, heat resistance, sulfur resistance and shear resistance, moreover, textiles printed with this pigment not only have pearly luster, but also have the charming color of transparent paste.
Natural printing raw materials are mainly composed of pearls and fish scales. The surface of these raw materials has special luster and reflective effect, which is very suitable for Pearl pulp. However, due to the poor stability of these raw materials, after fabric printing, the fastness is not good, and the quality of raw materials is different, the output is small, and the price is expensive. It is difficult to meet the market demand for textile pearlescent printing.
In addition to Pearlescent Pigment, pearlescent printing mucilage also requires a mixture and thickener. The effect of A mixture is good transparency and firm film formation, while the thickener forms a film on the surface of the fabric, the three can be mixed to form pearlescent printing mucilage. As a textile printing mucilage with high added value, pearlescent printing mucilage requires colorless and transparent after film formation, and the refractive index is similar to that of glass, so that the pearlescent effect is good.
cannot be directly added to resin pellets, but liquid coupling agent must be selected to fix it on the surface of resin pellets to produce a physical or chemical combination.
Such coupling agents include various softeners and refined mineral oil.
In addition, the wettability of the interface is improved by adding emulsifier or high boiling point solvent.
Under normal circumstances, the amount of coupling agent is 0. 5% of the amount of resin. 2-0.
5%. If metallic glitter
needs to be dispersed more evenly in the resin, 1% low molecular weight polyethylene powder can be added to the mixture of pigment and resin.
With this method, the amount of coloring is 2%. If the amount exceeds this amount, the excess pigment can only be scattered because there is no space on the surface of the resin to continue adsorption.
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