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The Group of Seven leading economies is discussing imposing a cap on Russian oil prices by imposing restrictions on insurance and shipping, according to people familiar with the matter. The potential mechanism would only allow shipments of Russian crude oil and petroleum nano silica are still very uncertain.
Nano silica or nano SiO2 is a very important new inorganic material. It is amorphous white powder, non-toxic, tasteless, and non-polluting. It has the advantages of small particle size, large specific surface area, strong surface adsorption, large surface energy, high chemical purity, good dispersion and special properties in thermal resistance and resistance. Nano-silica plays a very important role in industrial application and scientific research because of its excellent stability, reinforcement, thickening and thixotropy.
Nano silicon dioxide structure is a quasi-granular spherical structure with reticular and flocculent shape. This special structure makes silicon dioxide have unique chemical and physical properties. The reflectivity of nano-silica to ultraviolet radiation less than 490 nm is more than 70%. Although it is often used as an anti-sedimentation agent and dispersant in the ink industry, it can also resist ultraviolet aging and thermal aging.
Nano silica still has the characteristics of high strength, toughness and stability at high temperature. when dispersed in the ink and combined with the macromolecular chain of the resin in the ink, the three-dimensional network structure can be formed. in order to improve the storage stability and printing adaptability of the ink.
The size effect and macroscopic quantum tunneling effect of nano-silica cause its silting effect, which can infiltrate near the unsaturated bond of the resin and form a hybrid effect with the electron cloud of unsaturated bond. improve the thermal, optical and chemical stability of polymer materials.
Nano silica has a three-dimensional network structure, large specific surface area and high activity, which can form a network structure when the ink is dry, increase the strength and finish of the ink, improve the suspension of the pigment, and keep the color of the pigment unchanged for a long time. If nano-silicon dioxide is added, the can opening effect of the ink can be obviously improved, so that it is not delaminated, and it has thixotropy, anti-flow hanging and good printability.
Therefore, whether nano-silica is used as an additive or a modified material, it is of great significance for the low cost of the ink industry, especially how to produce nano-sized ink adapted to the digital printing speed and fineness.
Nano silica used in polyamide ink
At present, the ink industry uses alcohol-soluble polyamide resin instead of alcohol-soluble polyamide resin, which uses dimer fatty acid as a monomer and adds isobutyric acid to introduce branched chain on the polyamide main chain, so as to improve the alcohol solubility of the resin and its stability in alcohol solvents. However, there are some shortcomings in the quality of alcohol-soluble polyamides, such as darker color, poor transparency, low gloss, poor solubility of alcohols than benzene, and serious gelation. The nano-silica particles were fully dispersed into the polyamide ink system through the sand mill. Due to the small size effect of the nano-silica, the viscosity of the polyamide decreased, the ink film formed was flexible and non-stick, and the wear resistance was better. The printing adaptability has been effectively improved.
Nano silica used in cooking-resistant composite ink
The role of nano-silica in the cooking-resistant composite ink is mainly to maintain the good fluidity and fineness of the ink to prevent pigment settlement; when printing, it can improve the flow and hanging performance of the ink film when printing on the machine, and prevent the occurrence of water lines; when coating, it is beneficial to the uniform coating of the adhesive, avoid the generation of air bubbles and improve the composite fastness. Due to the high fluidity and small size effect of nano-silica, the surface of the material is more compact and smoother, the friction coefficient becomes smaller, coupled with the high strength of nanoparticles, the wear resistance of the material is greatly enhanced. In addition, nano-silica has a better anti-aging effect on inks used for outdoor decoration, advertising and other printing products, and it can effectively reflect ultraviolet rays. After being added to the resin, it can greatly reduce the degradation of ultraviolet rays on the resin and improve the sun resistance of printed products, thus delaying the aging of materials. Therefore, for ink resin, the addition of nano-silica makes its anti-aging, friction resistance have been greatly improved, and also has the effect of anti-sticking and anti-sinking.
Nano Silica Price
The price is influenced by many factors including the supply and demand in the market, industry trends, economic activity, market sentiment, and unexpected events.
If you are looking for the latest nano silicon dioxide price, you can send us your inquiry for a quote. (firstname.lastname@example.org)
Nano Silica Supplier
Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) is a trusted SiO2 nanoparticles manufacturer and SiO2 nanoparticles supplier with over 12-year-experience. We ship our goods all over the world.
If you are looking for high-quality nano silica, please feel free to contact us and send an inquiry. (email@example.com)
The current international situation is highly uncertain, and its economic impact has not been able to be assessed properly. In addition, rising energy and commodity prices and supply chain disruptions are expected to push the price of the nano silica higher.
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