33results about How to "Low post-treatment temperature" patented technology

A preparation method for tin-based oxide nanorods includes the following steps of weighing one of rare earth nitrate, rare earth oxide, rare earth ocyhydrate or rare earth carbonate according to stoichiometric ratio of metallic elements in Sn1-xREx02-delta, weighing one of rare earth nitrate, rare earth oxide, rare earth ocyhydrate or rare earth carbonate to prepare nitric acid rare earth solution, then weighing SnC14.5H2O to be dissolved to the prepared nitric acid rare earth solution and obtaining mixed solution, then respectively weighing an appropriate amount of organic fuels, a combustion improver of ammonium nitrate and soluble chloride to be dissolved to the mixed solution; after heating the mixed solution to concentrate the solution to a state of being approximately sticky, heating in microwave mode, and initiating self-spreading burning; roasting the self-spreading burning product in the air, after cooling, washing in ultrasonic mode, filtering, removing constitution ions of the chloride, and drying at 80 DEG C. The preparation method shortens technological process, lowers preparation cost, and is simple in synthesis equipment, low in post-treatment temperature and short in time, and easy for achieving industrialized preparation.

The invention discloses a wear-resistant and flame-retardant swash plate. The swash plate comprises a base plate and a wear-resistant coating, wherein the wear-resistant coating comprises base resin, silicon-containing phosphate, PTFE (polytetrafluoroethylene) particles, graphite fluoride and composite filler. The wear-resistant paint disclosed by the invention is reasonable in composition and has excellent heat resistance and adhesion. The swash plate based on the wear-resistant paint has excellent wear resistance and flame retardance, has dry state or oil state friction property far better than that of swash plates prepared from the existing resin, and can meet the requirements of auto air conditioning compressors.

The invention discloses graphene oxide and gold nanorod composite ink and a preparing method of the graphene oxide and gold nanorod composite ink and belongs to the technical field of electronic printing materials. According to the method, a group, with negative charges, on the surface of a gold nanorod is replaced with a group with positive charges, and then the graphene oxide and gold nanorod composite ink which can evenly disperse in water is prepared by mixing graphene oxide and the gold nanorod with the positive charges on the surface ultrasonically. The graphene oxide and gold nanorod composite ink which can evenly disperse in water and prepared with the method is stable in performance and can be used for ink-jet printing. The graphene oxide and gold nanorod composite ink prepared with the method has the advantages that environmental friendliness is achieved, the preparing process is simple, and the aftertreatment temperature is low; in addition, patterns high in electrical conductivity and stability can be obtained, and the graphene oxide and gold nanorod composite ink can be widely applied to the technical field of electronic printing materials.

The invention relates to a preparation method of a nonlinear optical crystal surface antireflection protective film. Starting with the sol characteristic and film layer structure on the basis of the characteristic of high tendency to deliquescence of the nonlinear optical crystal growing in a water-soluble environment, the invention provides a preparation method of a moistureproof+antireflection double-layer antireflection protective film which has higher laser injury threshold and high environment-resisting stability. The moistureproof film layer material is prepared from silanolate containing hydrophobic group, and thus, has the characteristics of compact structure and low surface energy; and water molecules in air are isolated from the crystal, thereby enhancing the deliquescence resistance. The moistureproof film layer material is prepared from silanolate containing hydrophobic group, and thus, has the characteristics of compact structure and low surface energy; and water molecules in air are isolated from the crystal, thereby enhancing the deliquescence resistance. The method can implement novel complex functions of the nonlinear optical crystal protective film, and ensure the long-term stable operation of the crystal in a high-power laser system.

The invention belongs to the technical field of electronic printing materials, and discloses silver-wrapped-in-gold and graphene based aqueous ink and an application of a transparent patternconduction electrode obtained through ink-jet printingof the silver-wrapped-in-gold and graphene based aqueous ink. The prepared silver-wrapped-in-gold and graphene based aqueous inkcomprises an ink active component, a solvent and an additive, wherein the ink active component adopts composition of graphene and silver-wrapped-in-gold nano-particles or composition of graphene oxide and silver-wrapped-in-gold nano-particles; the mass percentage of the ink active component is 0.1%-30%, the mass ratio of the silver-wrapped-in-gold nano-particles to the grapheneor the graphene oxide is smaller than or equal to 100%, and the volume of the additive is 0%-2% of that of a solvent; and the diameter of each of the graphene and the graphene oxide is smaller than 2 mu m. Compared with the prior art, the prepared silver-wrapped-in-gold and graphene based aqueous ink has the characteristics of environmental protection, simple preparation process and low aftertreatment temperature, the electrode with better conductivity and stability can be acquired, and the ink can be applied to the technical field of electronic printing materials.

The present invention mixes high-temperature glue and ceramic particles with a certain particle size distribution to prepare a composite modification liquid, and realizes a full range of modification (several nanometers to hundreds of micrometers) on the defects existing on the dense film. Among them, ceramic particles are used to modify large defects on the dense film (such as greater than 5nm), and high-temperature glue is used to modify small defects on the dense film (such as less than 5nm); in addition, the use of high-temperature glue can significantly improve the leveling performance of the modification liquid , and serve the purpose of bonding and toughening the ceramic particles, thereby reducing the post-treatment temperature. The composite modification solution prepared by the invention is used to coat and modify the surface of the defective dense membrane, and the ceramic particles and high-temperature glue only fill the defective part and are not adsorbed on the surface of the dense membrane. The method can achieve a defect filling rate close to 100%, has the advantages of simple process and good repeatability, and is suitable for large-scale dense film defect filling.

The invention discloses a preparation method of a wear-resistant and flame-retardant swash plate. The prepared swash plate comprises a base plate and a wear-resistant coating, wherein the wear-resistant coating comprises base resin, silicon-containing phosphate, PTFE (polytetrafluoroethylene) particles, graphite fluoride and composite filler. The wear-resistant paint disclosed by the invention is reasonable in composition and has excellent heat resistance and adhesion. The swash plate based on the wear-resistant paint has excellent wear resistance and flame retardance, has dry state or oil state friction property far better than that of swash plates prepared from the existing resin, and can meet the requirements of auto air conditioning compressors.

The invention discloses a swash plate based on cyanate. The swash plate consists of a substrate and a wear-resistant coating, wherein the wear-resistant coating is prepared from the following ingredients in parts by mass: 40-60 parts of cyanate / epoxy resin copolymer, 20-50 parts of PTFE (Polytetrafluoroethylene), 10-30 parts of molybdenum disulfide, 5-10 parts of graphite fluoride and 1-10 parts of reinforcing material. According to the swash plate disclosed by the invention, the wear-resistant coating is reasonable in composition and excellent in heat resistance and adhesion, thus the swash plate based on the wear-resistant coating has excellent wear resistance, has the friction performance, which is far superior to that of the existing swash plates prepared from resin regardless of whether the swash plate is in a dry state or oil state, and can meet the needs of an automotive air conditioner compressor.

The invention discloses a method for preparing a swash plate based on bismaleimide. The method comprises the steps of preparing a bismaleimide / diallyl bisphenol A copolymer, preparing a wear-resistant coating, spraying and curing, wherein the wear-resistant coating is prepared from the following ingredients in parts by mass: 40-60 parts of bismaleimide / diallyl bisphenol A copolymer, 20-50 parts of PTFE (Polytetrafluoroethylene), 10-30 parts of molybdenum disulfide, 5-10 parts of graphite fluoride and 1-10 parts of reinforcing material nano aluminum oxide. According to the method for preparing the swash plate based on bismaleimide, disclosed by the invention, the wear-resistant coating is reasonable in composition and excellent in heat resistance and adhesion, thus the swash plate based on the wear-resistant coating has excellent wear resistance, has the friction performance, which is far superior to that of the existing swash plates prepared from resin regardless of whether the swash plate is in a dry state or oil state, and can meet the needs of an automotive air conditioner compressor.

The invention discloses digital ink-jet conductive ink and a preparation method thereof. The ink is prepared from pigments, graphene, a hyperbranched polymer, hyperbranched polymerization nano conductive particles, a photosensitizer and a solvent; uniform dispersion of graphene and a conductive particle solution is realized with a blending technology, and the prepared ink has good stability and redispersibility. The preparation method is simple; compared with conventional ink, the digital ink-jet conductive ink has the advantages of being high in conductivity, thin in printing film layer, uniform, smooth and good in performance, is applicable to multiple printing processes and substrates and is particularly applicable to the field of intelligent textile.

The invention discloses a method for preparing a swash plate based on cyanate. The method comprises the steps of preparing a cyanate / epoxy resin copolymer, preparing a wear-resistant coating, spraying and curing, wherein the wear-resistant coating is prepared from the following ingredients in parts by mass: 40-60 parts of cyanate / epoxy resin copolymer, 20-50 parts of PTFE (Polytetrafluoroethylene), 10-30 parts of molybdenum disulfide, 5-10 parts of graphite fluoride and 1-10 parts of reinforcing material. According to the method for preparing the swash plate based on cyanate, disclosed by the invention, the wear-resistant coating is reasonable in composition and excellent in heat resistance and adhesion, thus the swash plate based on the wear-resistant coating has excellent wear resistance, has the friction performance, which is far superior to that of the existing swash plates prepared from resin regardless of whether the swash plate is in a dry state or oil state, and can meet the needs of an automotive air conditioner compressor.