6 results about "Nano dispersion" patented technology

The application relates to the technical field of nano composite emulsion, in particular to a self-cleaning nano composite emulsion and a preparation method and application thereof, and the preparation raw materials comprise a vinyl functionalized SiO2 nano dispersion liquid, a functionalized alginic acid salt, a vinyl monomer, an initiator, an emulsifier and deionized water; according to weight parts, the preparation raw materials of the vinyl functionalized SiO2 nano dispersion liquid comprise tetraethyl orthosilicate 1-2 parts, ammonia water 0.01-0.02 parts, ethanol 20-30 parts, deionized water 4-6 parts and a silane coupling agent 0.5-0.6 parts; the vinyl monomer comprises butyl acrylate and methyl methacrylate, and the mass ratio of the butyl acrylate to the methyl methacrylate is (70-80):(20-30). The nano composite emulsion provided by the application simultaneously shows excellent effects in terms of hydrophilicity, optical performance, adhesion and stain resistance, and solves the pain points of mutual exclusion of existing coating performances.

The invention relates to the technical field of silica gel product preparation, and discloses a preparation method of a silica gel label with a night self-luminous function, and the preparation method comprises the following steps: raw material preparation, material premixing, mold injection molding, vacuum defoaming, staged curing and post-treatment, by adopting a nano dispersion technology, nano fluorescent powder is subjected to hydrotalcite stripping pretreatment, and the silica gel label with the night self-luminous function is obtained. Vacuum stirring is carried out in the material premixing process, so that the problem of agglomeration of the fluorescent material is effectively solved, the dispersity of the noctilucent powder is improved, and the product is uniform in luminescence; high-transmittance liquid silica gel is selected as a base material, and key parameters such as light transmittance are controlled to ensure that the product has high light transmittance, so that the luminous efficiency is improved.

The invention relates to the technical field of temperature measuring material preparation, in particular to a thermal conducting wire and a thermal conducting wire preparation method and equipment. The heat conducting wire adopts a three-dimensional structure design of combining a core alloy layer with a gradient protective film, the core alloy is a tungsten-rhenium matrix doped nano dispersed phase (with high stability and high temperature enhancement), the gradient protective film comprises a 100-200nm SiC binding layer and a 5-10nm functional layer, and the three-dimensional structure comprises a variable pitch spiral main body and a wave-shaped ceramic support. The preparation method is based on the whole-course inert atmosphere and comprises the steps of segmented deoxidation, gradient coating, customized annealing and multi-layer packaging. The equipment integrates feeding, a heating furnace, an inert connection assembly, coating, annealing, packaging and a central control system, and can accurately control the temperature and monitor. According to the invention, the sensitivity, the service life and the batch repeatability of the thermal conducting wire are remarkably improved, the detection efficiency is optimized, and the manufacturing cost is reduced.

The application relates to the technical field of nano zirconium oxide preparation, in particular to a method for simply preparing high-refractive transparent nano zirconium oxide dispersion liquid; the zirconium salt solution is weighed, directly poured into water or an organic solvent or a mixed solution of water and the organic solvent, and subjected to hydrothermal treatment, so that nano zirconium oxide particles are directly obtained and washed, thereby obtaining a nano zirconium oxide liquid dispersion body; compared with the method for preparing the nano dispersion liquid of zirconium oxide in the prior art, the steps are simpler, and other complicated procedures are not needed. The refractive index of the nano zirconium oxide liquid dispersion body manufactured by the application is about 1.7-1.8, while the refractive index of the nano zirconium oxide dispersion liquid in the prior art is about 1.6, the refractive index is improved, the light transmittance of the zirconium oxide dispersion liquid when preparing a lower-level product is improved, and the downstream process is facilitated.

The invention relates to the technical field of nano-composite emulsions, in particular to a self-cleaning nano-composite emulsion and a preparation method and application thereof.The self-cleaning nano-composite emulsion is prepared from vinyl functionalized SiO2 nano-dispersion liquid, functionalized alginate, vinyl monomers, an initiator, an emulsifier and deionized water; the vinyl functionalized SiO2 nano dispersion liquid is prepared from the following raw materials in parts by weight: 1 to 2 parts of tetraethoxysilane, 0.01 to 0.02 part of ammonia water, 20 to 30 parts of ethanol, 4 to 6 parts of deionized water and 0.5 to 0.6 part of silane coupling agent. The vinyl monomers comprise butyl acrylate and methyl methacrylate, and the mass ratio of the butyl acrylate to the methyl methacrylate is (70 to 80): (20 to 30). The nano-composite emulsion provided by the invention simultaneously shows excellent effects in the aspects of hydrophilicity, optical performance, adhesive force and anti-pollution performance, and solves the pain point of mutual exclusion of the performance of the existing coating.

The present application relates to temperature measurement material preparation technical field, especially to a kind of heat-conducting wire, heat-conducting wire preparation method and equipment.The heat-conducting wire adopts the three-dimensional structure design of core alloy layer combined with gradient protective film: core alloy is tungsten-rhenium matrix doped nano dispersion phase (high stability, high-temperature enhanced type), gradient protective film is 100 to 200nm SiC combination layer and 5 to 10nm functional layer, three-dimensional structure is variable-pitch spiral main body and wave-shaped ceramic support.Preparation method is based on inert atmosphere throughout, including subsection deoxidation, gradient coating, customization annealing, multilayer packaging steps.Equipment integration integrates feeding, heating furnace, inert link components, coating, annealing, packaging and central control system, which can accurately control temperature and monitor.The present application significantly improves the sensitivity, life and batch repeatability of heat-conducting wire, optimizes detection efficiency and reduces manufacturing cost.