7results about How to "Improve discoloration problem" patented technology

The invention discloses an anti-discoloration solid ceramic chip, a solid ceramic perfumed chip and a preparation method of the solid ceramic perfumed chip. The anti-discoloration solid ceramic chip is prepared from the following raw materials in parts by weight: 75-80 parts of powder, 7-10 parts of plant fiber, 1-2 parts of titanium dioxide, 1-2 parts of titanium dioxide, 1-2 parts of silicon dioxide, 1-2 parts of zinc oxide, 1-2 parts of mica powder, 1-2 parts of talcum powder, 3-4 parts of pressing gel, 1-2 parts of a release agent, 1-2 parts of deionized water and 1-2 parts of a dispersing agent. Tests show that the anti-discoloration solid ceramic perfumed sheet prepared by the invention can avoid the discoloration problem of aromatherapy powder caused by high temperature, essence, iron ions and the like, and compared with a common ceramic perfumed sheet, the anti-discoloration solid ceramic perfumed sheet disclosed by the invention has better color stability and aesthetic property, so that the anti-discoloration solid ceramic perfumed sheet is more competitive in the market.

The invention relates to a composite solid electrolyte membrane as well as a preparation method and application thereof. The composite solid electrolyte membrane comprises the following components: polyvinylidene fluoride-hexafluoropropylene, oxide powder, lithium salt and ethyl 3-triethoxy silane propionate. Through reasonable compatibility of the components, the coating uniformity is high, the problems of discoloration and gelation in the preparation process of the composite electrolyte can be obviously improved, and meanwhile, the composite electrolyte has relatively low impedance, relatively high ionic conductivity and excellent performance, and has relatively great application potential in preparation of a solid-state battery. In addition, according to the preparation method of the composite solid electrolyte membrane, repeated washing and long-time treatment are not needed, the process is simple and environmentally friendly, the production time and energy consumption are reduced, and the preparation method is suitable for industrial large-scale application.

The invention relates to the technical field of composite materials, in particular to a composite material capable of keeping golden appearance of basalt fibers as well as a preparation method and application of the composite material. The composite material provided by the invention contains the transparent thermoplastic material to improve the discoloration problem, so that the golden appearance of the basalt fiber can be well maintained for a long time, and popularization and application of the basalt fiber in the fields of automotive upholstery, bags and the like are facilitated; besides, the problems of discoloration, poor composite strength and the like are solved by adding a thermoplastic material, the discoloration problem is solved by controlling process conditions in the preparation process, and the finally prepared composite material has relatively good durability and does not discolor after being used for a long time; the preparation process is environment-friendly, and the preparation method is simple.

The invention provides a cyclic sulfate solution as well as a preparation method and application thereof. The cyclic sulfate solution comprises a cyclic sulfate compound, a color blocking agent and an organic solvent, the color blocking agent comprises a compound containing metal cations, and the metal cations comprise at least one of tungsten cations, molybdenum cations, nickel cations, cobalt cations, vanadium cations, niobium cations, titanium cations, manganese cations, ruthenium cations, platinum cations and palladium cations. According to the cyclic sulfate solution disclosed by the invention, by adding the color blocking agent, the color change problem of the cyclic sulfate solution can be improved, and the quality risk is avoided while the product solubilization is realized.

The invention discloses a polypropylene composition, and belongs to the field of high polymer materials and technologies. Specifically, the polypropylene composition provided by the invention comprises the following components: 29-61 parts of polypropylene; 1 to 8 parts of maleic anhydride grafted polypropylene; 5 to 25 parts of acrylate elastomer; 1-6 parts of an azo initiator; and 35-45 parts of glass fiber. The polypropylene composition disclosed by the invention has the advantages of high strength, high weather resistance and color change resistance, and can be applied to preparation of water purification processor parts.

The application relates to the technical field of composite materials, in particular to a composite material capable of keeping the golden appearance of basalt fibers, a preparation method and application thereof. The composite material provided by the application can keep the golden appearance of basalt fibers for a long time and is favorable for the popularization and application of basalt fibers in the fields of automobile interior parts and bags, because the transparent thermoplastic material contained in the composite material can improve the discoloration problem. In addition, the thermoplastic material is added to improve the problems of poor discoloration and poor composite strength, and the process conditions are controlled in the preparation process to improve the discoloration problem, so that the finally-prepared composite material has good durability and does not discolor for a long time. The composite material also has the advantages of environmental protection in the preparation process and simple preparation method.

The application relates to the technical field of waterproof materials, in particular to a PU water-based polyurethane weather-resistant waterproof material and a preparation method thereof, which contains the following raw materials in parts by weight: water-based polyurethane emulsion 60-85 parts, modified nano-silicon dioxide agent 3-10 parts, weather-resistant agent 2-8 parts, film-forming aid 2-6 parts, defoaming agent 0.3-1.5 parts, wet dispersing agent 0.5-2 parts, thickening agent 0.5-2 parts and water 5-15 parts. The mechanical property and water resistance of the waterproof material are remarkably improved by adding the modified nano-silicon dioxide agent; the surface of the nano-silicon dioxide is grafted and modified by a silane coupling agent KH-550, the dispersibility of the nano particles in the polyurethane matrix and the interface compatibility with the matrix are improved, the mechanical strength and crack resistance of the coating are further improved by taking carbon nanotubes as reinforcing fillers, and the hardness and wear resistance of the coating are improved by taking nano-aluminum oxide.