4results about How to "Full color" patented technology

The invention belongs to the technical field of reactive dyes, and particularly provides a preparation method of a bright yellow reactive dye. The bright yellow reactive dye prepared by the method disclosed by the invention is a bisazo dye, the fixation rate is relatively high, the color of a dyed fabric is full, sulfonic groups are increased, and the dye solubility is good; the dye is high in solubility and improvement rate, good in leveling property, green and bright in color, good in light fastness and wet rubbing fastness, good in cleaning rate and suitable for dyeing various cellulosic fibers, the fixation rate reaches 65%, the dye belongs to environment-friendly and energy-saving dye, the product is suitable for dyeing various cellulosic fibers, the production process is simple, clean and environmentally friendly, spray drying is adopted after synthesis, the wastewater discharge amount is reduced, and the production cost is reduced. And the national energy conservation and emission reduction policy is met.

The invention provides water-based ink for PVC (polyvinyl chloride) wood-grained paper and an application method of the water-based ink, and the water-based ink for the PVC wood-grained paper comprises the following components in percentage by mass: 1%-5.5% of a coloring agent, 2.5%-12% of hot-melt polyurethane, 3%-9% of acrylic resin and 3%-5% of isocyanate. The acid value of the hot-melt polyurethane is 15-30 mgKOH / g, and the acid value of the acrylic resin is 15-60 mgKOH / g. The ink realizes ultrahigh and lasting adhesive force on PVC grainy paper, has strong stripping force with a protective film, keeps good printing fluency, and effectively resists intrinsic aging factors such as plasticizer migration and the like.

This invention discloses a high near-infrared reflectance yellow inorganic pigment, its preparation method, and its application, belonging to the field of inorganic pigment technology. The invention uses La, Y, and Cr sources as raw materials, and formulates them according to stoichiometric ratios. A LaY pigment with a perovskite structure is synthesized via a sol-gel method. 1‑X Cr X O3 (0)

The utility model discloses a coloring device based on gong groove frame manufacturing, and relates to the technical field of gong groove frame manufacturing, the coloring device based on gong groove frame manufacturing comprises a spraying box with a one-way opening at the front end, the interior of the spraying box is fixedly connected with a longitudinally arranged guide rail mechanism, the interior of the guide rail mechanism is provided with a longitudinal groove, and the longitudinal groove is fixedly connected with the spraying box. Through cooperative work of the mechanical arms and the spraying module, automatic coloring is achieved, the servo motors B at the joints of the mechanical arms can accurately control movement of the mechanical arms, the spraying module can accurately spray all parts of a workpiece, it is guaranteed that coloring is uniform, the coloring quality is greatly improved, and meanwhile the production efficiency is improved. Compared with manual coloring, the automatic conveying and coloring process has the advantages that the coloring time of a single workpiece is greatly shortened, the production efficiency is improved, and the requirement of large-scale production is met.